TECHNICAL SPECIFICATION RESIDENTIAL GRINDER PUMP & BASIN.

Transcription

1 TECHNICAL SPECIFICATION RESIDENTIAL GRINDER PUMP & BASIN. Village of Rock Creek, Ashtabula County, Ohio July 2016 PART 1 GENERAL 1.1 DESCRIPTION OF WORK A. The Contractor shall provide all labor, materials, tools and equipment required to furnish and install the residential grinder pump as a retro-fit to existing grinder stations throughout the locations of the Village of Rock Creek specified in the Plans. B. The Residential Grinder Pump shall be supplied with all major components and supplies as a unit by one (1) vendor to assure system compatibility. Principal units shall be (1) pump, (2) controller, (3) retrofitting appurtenances, and (4, and where specified) basin/crock with appurtenances 1.2 QUALITY ASSURANCE A. In addition to the requirements described herein, comply with manufacturer s instructions and recommendations for work. 1.3 SUBMITTALS A. Submittals shall be in accordance with the General Project Requirements and include (at minimum) a catalog cut of the product showing technical specifications and product data. PART 2 PRODUCTS 2.1 PUMP Each pump shall be a Keen Pump, KG2-C or KHG2-C Series, or approved equal, capable of delivering a minimum of 20 GPM at 40 TDH, and shall be UL-listed and FMapproved. The pump shall have a submersible-type motor with an attached grinder unit. Pump shall have the design such that it operates in such a fashion whereby solids shall be fed in a downward, horizontal, and upward direction into the grinder mechanism as the high head pumping unit develops suction at the inlet. The grinder cutting blades shall have the ability to be directionally reversed automatically or manually by electrical controls for longer cutter life. Technical Specification for Residential Sewage Grinder Pump Village of Rock Creek Page 1

2 Reversal is not interpreted as being meant to remove the pump and physically reverse or turn over the blades; pumps which only operate in one direction will not be considered equal. The grinder shall be capable of cutting materials normally found in residential sanitary sewage such as sanitary napkins, hygiene products, disposable diapers, wash rags, and food particles, and then grinding them into fine slurry which will pass freely through the pump and force main. 2.2 MOTOR The motor shall be a 2 HP, 3450 RPM, oil-filled design capable of operation on power with the following characteristics: Single-phase, 208/230V capacitor start and run, NEMA design B. The motor housing shall be heavy duty, oil-filled, finned cast iron for heat dissipation and seal/bearing lubrication. The pump motor shall operate over the complete performance curve without overloading or excessive vibration when operating in either clockwise or counterclockwise direction. Bearings shall be ball bearings of chrome steel. There shall be a single thermal sensor embedded in the winding of the motor to sense the temperature of the windings. This bi-metallic sensor shall be a normally closed contact which will open on high temperature and re-close when the temperature drops below the pre-set point. The thermal sensor shall be wired in conjunction with the motor starter to stop the pump in the event of a high temperature condition. The motor shall be UL-listed. The motor shall be furnished with a minimum 30 length of type SOOW submersible power cable. This cable will terminate in a junction box specified elsewhere for simplification of installation and removal. The combination pump/motor shaft shall be machined from ANSI 416 Stainless Steel. The pump and motor housings shall be of Class 30 gray cast iron meeting the requirements of ASTM A-48 with a pressed-in stator for maximum heat dissipation. 2.3 CUTTERS The rotary cutter shall be #440 SS hardened to a Rockwell C, and shall be keyed and bolted to the stainless steel shaft. The cutter shall be capable of operating in a forward or reverse direction by means of an automatic controller without removing the unit from the pit. The SS shredding disc shall be mounted onto the lower casting with SS cap screws. The cutter and shredding disc shall have the capability to be removed from the unit without disassembly of the pump for easy surface reconditioning. Technical Specification for Residential Sewage Grinder Pump Village of Rock Creek Page 2

3 2.4 IMPELLER The pump impeller shall be of the bidirectional design keyed to the shaft and shall be manufactured from ductile iron. 2.5 CONTROL PANEL The control panel (where specified for replacement) shall be housed in a NEMA 4X FRP enclosure and shall be of a design which controls a single pump from a 3-float system. The panel shall contain the required starting, control and alarm circuits. An IEC-rated contractor shall be furnished to start the pump. There shall be a Klixon or equal overload provided and a 20-amp, two-pole circuit breaker. The control circuit shall be 115 volts, and have a glass tube fuse for circuit protection. There shall be a Hand/Off/Auto threepole selector switch provided for operation of the pump. Single-phase panels shall contain easy-access run and start capacitors and adequately sized potential relay. The panel shall be equipped with circuitry which automatically reverses the direction of the cutter blades on alternating starts. Alternately, upon reaching a panel-controlled current threshold indicative of a possible cutter jam condition, the pump shall be caused to reverse. A padlock hasp shall be provided on the outside of the control panel enclosure. High water conditions shall be indicated by a visible light with flasher and Lexan globe. The bulb in the alarm light shall be a minimum 40W, high-intensity bulb that shall be only accessible through the inside of the enclosure. An audible alarm buzzer shall be provided for connection of the pump control wires and the float wires. A wiring schematic and troubleshooting guide shall be included with each panel. The panel shall be UL listed and be labeled. The panel shall be supplied for mounting to a remote flat surface. Inside the panel enclosure shall be furnished a light connected for seal failure warning. In the event of water intrusion into the cavity between the tandem mechanical seals, a current shall be made that will actuate an indicating light. This will signal that water is present and that the pump should be inspected by a technician familiar with this type of system. 2.6 BASIN AND RAIL SYSTEM Where specified for replacement, a fiberglass basin shall be provided having in inside diameter of 24 inches and a depth of 8 feet. The basin shall be molded of fiberglass reinforced polyester resin manufactured by the lay-up and spray technique to assure that the interior surface is smooth and resin rich. The basin shall have a minimum wall thickness of 1/4". A steel anti-flotation plate shall be molded into the bottom of the basin. The basin shall have a cover manufactured of a minimum of 3/8" polypropylene, and shall be bolted to the basin with stainless steel cap screws. Cadmium-plated nuts for the Technical Specification for Residential Sewage Grinder Pump Village of Rock Creek Page 3

4 screws shall be embedded in the fiberglass basin to prevent turning and for corrosion resistance. The basin shall be shipped with an Adapta-Flex or equal inlet grommet for entry of the receiving inlet pipe. If necessary by adverse condition of existing pipe, a 10-foot section of PVC schedule 40 pipe shall be furnished and installed complete with transition couplings to suit. A rail system assembly shall be provided which permits easy removal and installation of the pump without the necessity of personnel entering the wet well. Structural guide brackets with guide yokes of sufficient bearing strength to prevent binding shall bolt to the pump. The yokes shall mate over guide rails of a minimum of 3/4" stainless steel pipe running between an upper rail support and the discharge connection. The pump shall lift easily and smoothly and seat onto the discharge assembly with no need for O-rings, sealing flanges, or alignment shims. No rotary movement of the pump shall be required to accomplish this connection and seal. The pump weight will bear only on the discharge assembly and remain free and clear of the basin bottom. Lifting will be by means of polypropylene rope which can support three times the weight of the pump and lift-out brackets without stretching. Galvanized chains, galvanized pipe guide rails or welded steel painted parts are not permitted. The outlet of the pump shall discharge into 1-1/4" Internal PVC piping which shall have a PVC discharge shut-off valve plus an internal check valve. The shutoff valve shall be a PVC true union ball type valve with Teflon seats. A handle extension shall be supplied to reach the shut-off valve. 2.7 FLOATS Where specified for replacement of existing basins, three (3) non-mercury float switches shall be provided for control of "OFF", "ON", and "HIGH WATER ALARM" functions. Cords shall be of sufficient length to reach the included junction box without splices. The float controls shall be mounted on a stainless steel bracket with nylon snubbers such that the elevation of the floats can be easily adjusted from the surface. 2.8 JUNCTION BOX Where specified for replacement of existing basins, one (1) junction box for each basin shall be constructed of structural plastic for corrosion resistance, stability, and mechanical strength, and shall be rated NEMA 6. The enclosure shall be of adequate thickness and properly reinforced to provide good mechanical strength, and shall have a fully gasketed cover that is held in place by four captive stainless steel screws which cannot be removed from the cover, with heads totally encapsulated such that no metal parts are exposed. The screw heads shall be of adequate size for easy installation and Technical Specification for Residential Sewage Grinder Pump Village of Rock Creek Page 4

5 removal without the use of special tools. The cover shall be fastened onto the main body of the junction box by means of a totally corrosion-resistant tether to prevent dropping the cover into the basin during service. An adequate number of cord grips shall be supplied for incoming pump and switch cords. The cord grips shall be made of non-corrosive material such as PVC or nylon, and shall make an effective seal around the wire jacket. The cord grip shall also seal to the junction box wall with an O-ring, gasket, or other effective means. The junction box shall have a PVC solvent weld socket type conduit hub mounted in the bottom of the enclosure. The hub shall be of a corrosion resistant material and shall be of adequate size to accommodate the number of wires required to operate the pump. The incoming wires shall be sealed in a manner that is consistent with industry standards. This is to ascertain that condensation from the conduit (or groundwater) will not enter the enclosure. The interior of the enclosure shall be of adequate size to accommodate the wires and connections required to operate the pump. The wires running between the control panel and the junction box shall be color coded or otherwise identified and fastened to the pump and switch controls by means of adequately sized and insulated twist lock or crimp connectors. These wires shall be furnished and installed by the contractor. The junction box shall be designed to NEMA 6 standards for occasional submergence. 2.9 ELECTRICAL CONNECTIONS 2.10 POST Electrical power shall enter the side of the basin by means of a conduit. This conduit shall be fitted into a threaded coupling installed at the factory in the side of the tank. The conduit shall be sealed against ground water intrusion by means of "electrician's putty" or other suitable means. A new 4 x 4 x 8 treated post shall be installed PART 3 EXECUTION 3.1 INSTALLATION The equipment shall be installed in accordance with the manufacturer s recommendations. Technical Specification for Residential Sewage Grinder Pump Village of Rock Creek Page 5

6 3.2 INITIAL LUBRICATION Initial lubrication required for the start-up and field test operation shall be furnished and applied in accordance with the manufacturer s recommendations. 3.3 TESTING AND START-UP The Contractor shall make arrangements with the grinder pump station supplier for startup and testing of the completed station. Minimum tests will verify pump seating and slide arrangements; pump rotation, voltage and current checks, proper functioning of all control and alarm floats, directional rotation reversing; absence of any seal failure warnings and testing of high alarm warning devices. The Owner, Owner s Representative, or designated authority shall be presented with written certification of successful testing. Owners shall also be briefed in operation of pump, meaning of various lights, and simple trouble shooting. Startup will confirm Owner is provided with a copy of an O & M Manual. Warranty: The pump shall have a minimum warranty of either 12 months from startup or 18 months from shipment from factory, whichever occurs first. These specifications describe a grinder pump as manufactured by the Keen Pump Company, Inc. of Ashland, Ohio. This is not done to exclude other reputable manufacturers from bidding. However, each bidding contractor shall base his bid on the named equipment and the contract will be awarded on that basis. To receive consideration of alternate equipment, the Owner shall be presented with adequate information to forward to the Engineer for evaluation of the alternate at least one week prior to the receipt of bids. The bidder shall list the amount to be added or deducted from the base bid for the inclusion of this alternate equipment. Should the alternate be accepted, the base bid shall be reduced by an amount equal to the listed deduction. 3.4 OPERATION AND MAINTENANCE MANUAL Operation and maintenance (O & M) manuals shall be provided prior to or with the delivery of the equipment. The O & M manuals shall include instructions on storage, installation, start-up, and operation and maintenance, together with a complete parts list and a recommended spare parts list. The O & M manuals shall be in compliance with the General Requirements. Three (3) copies shall be presented upon contract completion; one (1) for the Owner (Village of Rock Creek), and two (2) for the Village of Rock Creek Wastewater Department. Technical Specification for Residential Sewage Grinder Pump Village of Rock Creek Page 6

7 Technical Specification for Residential Sewage Grinder Pump Village of Rock Creek Page 7

8 Grinder Pumps KHG(X)2 2HP High Head Grinder Pump, 1 or 3 Phase (Class 1, Div. 1, Groups C & D Hazardous Location) The KEEN PUMP KHG(X)2 series centrifugal grinder pumps easily handle residential, light commercial or industrial sanitary waste, reducing it to a fine slurry. The KHG(X)2 pump is designed for use in pressure sewer applications or any piping network. The KHG(X)2 grinder pump retrofits into many existing competitor pump installations. The KHG(X)2 pump operates with the same control panel and installation piping / rail system. The recessed vortex impeller design of the KHG(X)2 grinder pump provides troublefree, non-overloading operation over the entire performance curve. The KHG(X)2 pump produces capacities to 20 gpm with heads to 130 feet. The KHG(X)2 series pump features: Interchangeable into Competitor Installations Dual Silicon-Carbide Shaft Seals Pressed-In Motor with Internal Overload Protection 3-Bearing Shaft Support Internal Moisture Detection Strong 2hp Motor, 1 Phase (208, 230 or 240 Volt) 3 Phase Motor (208, 230 or 460 Volt) Performance Curve 140 Total Head (FT) Capacity (GPM) REV 03/26/

9 Features and Benefits 1. Watertight Cable Entrance Agency-approved strain relief cord grip with compression grommet protects outer cord jacket. Epoxy-filled inner cord cap provides anti-wicking moisture protection to the motor even if power cable is cut or damaged. 2. Modular Pump Design Commonality of parts across the Keen product line minimizes the amount of parts required for servicing. Heavy-duty ASTM A48, Class 30 cast iron components. 2HP Grinder Pump Dual Seal KHG(X) Strong Motor Powerful high-torque motor for reliable pump operation. Pressed stator securely holds motor and efficiently transfers heat. Class F insulation with overload protection in oil-filled chamber for cool operation and long motor life Bearing Support Motor / Pump shaft securely held with upper and lower ball bearing plus additional sleeve bearing in lower seal chamber. Long 50,000 hour B-10 bearing life Double Mechanical Seal Protection Dual silicon carbide mechanical shaft seals provide twice the moisture protection for the motor. Dual seals are housed in a secondary oil-filled seal chamber. Tougher silicon carbide seals better handle sand, grit and abrasive materials. 6. Moisture Detection Seal leak probe signals alarm in control panel for scheduled maintenance. 7. Non-Overloading Hydraulic Design The recessed centrifugal impeller allows 100% performance curve operation from shut-off to maximum flow without damage to the pump or system. The recessed vortex impeller is out of the passageway of fluid flow, eliminating concerns of blockage or wear. 8. Proven Grinder Assembly Hardened (Rockwell 56-60) stainless steel grinder assembly has 30+ years proven field experience. The reversible grinder ring and grinder impeller effectively reduce solids into a fine slurry, easily passable in a piping system without concerns of clogging. Highly efficient 7,400 cuts/second. 9. Easy Piping Connection Removable 1-1/4 NPT connection flange for simple and easy connection to discharge piping Accessories Stainless steel lifting handle included. Anti-Vibration mounting feet OPTIONAL. REV 03/26/15 471E State Route 250 East. Ashland, Ohio fax

10 2HP SUBMERSIBLE GRINDER PUMP GENERAL Pump Model PUMP DATA Date Discharge Flange Grinder Ring Impeller Type / Std. Dia. Head / [Ft] 140 Single Phase DIA KHG(X)2 MOTOR DATA HP / Power Supply Full Load Amps 208V 03/26/2015 Start Amps 208V 1-1/4 NPT, Vertical Full Load Amps 230V 8 Slots Start Amps 230V Recessed/ Dia. Start / Run Amps 240V Poles / Rated Speed START KIT SK-2A includes: Insulation Class Start & Run Capacitors, Relay, and Mounting Hardware Start Capacitor Run Capacitor PERFORMANCE CURVE 2HP / 1 ol, 60 Hz 15.5 Amps 54 Amps 12.8 Amps 45 Amps 2 P / 3450 rpm F Class 216 ufd, 250 VAC 20 ufd, 370 VAC Capacity [USGPM] MODEL HP Phase Volts KHG(X) KHG(X) KHG(X) * Performance with clear water and ambient temp 20ºC (68ºF) Rev. 03/26/15

11 2HP SUBMERSIBLE GRINDER PUMP GENERAL Pump Model PUMP DATA Date Discharge Flange Grinder Ring Impeller Type / Std. Dia. KHG(X)2 03/26/ /4 NPT, Vertical 8 Slots Recessed/ Dia. Three Phase MOTOR DATA HP / Power Supply Full Load Amps 208V Start Amps 208V Full Load Amps 230V Start Amps 230V Full Load Amps 460V Start Amps 460V Poles / Rated Speed Insulation Class PERFORMANCE CURVE 2HP / 3 ol, 60 Hz 10 Amps 33 Amps 9 Amps 31 Amps 4.5 Amps 15 Amps 2 P / 3450 rpm F Class Head / [Ft] DIA Capacity [USGPM] MODEL HP Phase Volts KHG(X) KHG(X) KHG(X) * Performance with clear water and ambient temp 20ºC (68ºF) Rev. 03/26/15

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13 KEEN PUMP Simplex Control Panels 2 or 3 Float Operation KEEN Pump simplex control panels are custom designed for use with KEEN Pump grinder pumps and packaged systems. All control panels are built to Underwriters Laboratories UL508 standard to ensure the highest level of quality and safety. All panels can carry the UL label. There are many optional features available, consult the "Control Panel Options Page". Standard Features - Simplex Panels Single Phase NEMA 4X Fiberglass Enclosure Stainles s Steel Piano Hinge Pump Circuit Breaker (2 Pole) Control Circuit B reaker Motor Contac tor Start Capacitor Kit External A larm Light Flashing - High Water Level Audible Alarm - Sonalert Buzzer Alarm Test / Silence Switch Control Circuit Relay DIN Rail Mounted Components Aluminum Back plate Internal HOA Sw itch External Lockable Hasps Easy Wiring Terminal B locks Ground ing Lugs Wiring in Enclosed Wire way Three Phase NEMA 4X Fiberglass Enclosure Stainles s Steel Piano Hinge Pump Circuit B reakers (3 Pole) Internal Pump Run Light Control Circuit B reaker Motor Start er External A larm Light Flashing - High Water Level Audible Alarm - Sonalert Buzzer Alarm Test / Silence Switch Motor Temper atur e Sensing Control Control Circuit Relay DIN Rail Mounted Components Aluminum Back plate Internal HOA Sw itch External Lockable Hasps Easy Wiring Terminal B locks Ground ing Lugs Wiring in Enclosed Wire way Trans former (460 volts panels only)

14 KEEN PUMP Simplex Control Panel Single Phase 3 Floats - Capacitors in Panel Technical Specifications A NEMA 4X fiberglass control panel shall be furnished with each pumping unit / basin package. The control panel enclosure shall be molded of glass reinforced polyester resins, whi ch are chemically resistant to corrosive atmospheres. The resin system shall be pigmented to impart a gray color to the enclosure and be resistant to ultraviolet ligh t. The resin system also shall include a flame retardant to obtain a flammability rating whi ch meets U.L. 94V-0. Heat distortion temperature shall be 350 degrees Fahrenheit. The enclosure shall be of one piece, NEMA 4X fiberglass, weatherproof construction with smooth, rounded corners and shall be constructed to have a smooth exterior and interior. The enclosure shall be fitted with a closed cell neoprene gasket cover. The enclosure shall have back panel mounting provisions. The cover shall be hing ed with a heavy-duty corrosion resistant stainless steel piano hing e. The cover shall be lockable by means of two (2) high quality combination stainless steel latches and padlock hasps. The enclosure shall be provided with external mounting feet on the top and bottom of the enclosure. These mounting feet shall be of fiberglass and molded as an integral part of the enclosure. The back panel shall be a minimum of.080" aluminum and held in place by (4) #10 screws, which will mate to four (4) threaded standoffs, whi ch are molded into the enclosure. The panel shall include a doubl e pole, main disconnect circuit breaker, control circuit breaker, I.E.C. rated motor contactor, start and run capacitors, plug-in control relay, pump hand-off-auto switch, red alarm ligh t, audible alarm, alarm silence switch, enclosed wire way, terminal blocks, ground lug and all necessary wiring. Terminal strips must have a minimum 3" clearance to the inside wall of the enclosure for ease of wiring. The control panel shall be fitted with a red lexan alarm light. The light shall remain solidly illuminated for moisture detection in the lower seal chamber of the pump. The alarm light shall flash, indicating a high water alarm conditio n in the basin. The ligh t shall be approximately 3" high by 2" diameter, mounted on the top surface of the enclosure, visible from all 360-degree direction. The bulb shall be 40-watt minimum high intensity-medium base type. The bulb or lens shall be easily replaced by removing a threaded setscrew and locking washer on the interior of the panel. The lens shall be mounted on top of the enclosure with a neoprene gasket. The alarm condition will produce a bright glowing alarm light and audible buzzer. The audible buzzer can be silenced by means of the silence switch inside the front panel. The red indicator light will remain illu minated as long as the alarm conditio n persists. Both flashing alarm ligh t and audible buzzer will stop when the water level drops to normal operating conditions. All internal wiring shall be neatly assembled with in an enclosed wire way. Each wire shall be a different color or stripe (except for ground), and all incoming wires shall terminate in the terminal block. All wires shall be 14GA. Type TEW rated for 105 degrees Celsius. A schematic diagram shall be permanently fastened to the inside of the enclosure. The control panel shall be U.L. listable as an assembly.

15 KEEN PUMP Simplex Control Panel Specification - Model KCG2-21S-LC (Single Phase - 3 Floats - Capacitors in Panel) A NEMA 4X polycarbonate (optio nal fiberglass) control panel shall be furnished with each pumping unit / basin package. The control panel enclosure shall be molded of polyester resins, whi ch are weather and chemically resistant to corrosive atmospheres. The resin system shall be pigmented to impart a gray color to the enclosure and be resistant to ultraviolet ligh t. The resin system also shall include a flame retardant to obtain a flammability rating whi ch meets U.L. 94V-0. Heat distortion temperature shall be 350 degrees Fahrenheit. The enclosure shall be of one piece, NEMA 4X polycarbonate, weatherproof construction with smooth, rounded corners and shall be constructed to have a smooth exterior and interior. The enclosure shall be fitted with a closed cell neoprene gasket cover. The enclosure shall have back panel mounting provisions. The cover shall be hinged with a heavy-duty corrosion resistant hinges. The cover shall be lockable by means of two (2) high quality combination stainless steel latches and padlock hasps. The enclosure shall be provided with external mounting feet on the top and bottom of the enclosure. The back panel shall be a minimum of.080" aluminum and held in place by (4) #10 screws, which will mate to four (4) threaded standoffs, whi ch are molded into the enclosure. The panel shall include a doubl e pole, main disconnect circuit breaker, control circuit breaker, I.E.C. rated motor contactor, start and run capacitors, plug-in control relay, pump hand-off-auto switch, red alarm ligh t, audible alarm, alarm silence switch, enclosed wire way, terminal blocks, ground lug and all necessary wiring. Terminal strips must have a minimum 3" clearance to the inside wall of the enclosure for ease of wiring. The control panel shall be fitted with a red lexan alarm light. The light shall remain solidly illuminated for moisture detection in the lower seal chamber of the pump. The alarm light shall flash, indicating a high water alarm conditio n in the basin. The ligh t shall be mounted on the top surface of the enclosure, visible from all 360-degree direction. The bulb or lens shall be easily replaced by removing a threaded setscrew and locking washer on the interior of the panel. The lens shall be mounted on top of the enclosure with a neoprene gasket. The alarm condition will produce a bright glowing alarm light and audible buzzer. The audible buzzer can be silenced by means of the silence switch inside the front panel. The red indicator light will remain illu minated as long as the alarm conditio n persists. Both flashing alarm ligh t and audible buzzer will stop when the water level drops to normal operating conditions. All internal wiring shall be neatly assembled. Each wire shall be a different color or stripe (except for ground), and all incoming wires shall terminate in the terminal block. All wires shall be 14GA. Type TEW rated for 105 degrees Celsius. A schematic diagram shall be permanently fastened to the inside of the enclosure. The control panel shall be U.L. listable as an assembly.

16 KEEN PUMP SIMPLEX CONTROL PANEL 3 FLOATS Technical Specifications 3-PHASE A NEMA 4X fiberglass control panel shall be furnished with each pumping unit / basin package. The control panel enclosure shall be molded of glass reinforced polyester resins, whi ch are chemically resistant to corrosive atmospheres. The resin system shall be pigmented to impart a gray color to the enclosure and be resistant to ultraviolet ligh t. The resin system also shall include a flame retardant to obtain a flammability rating whi ch meets U.L. 94V-0. Heat distortion temperature shall be 350 degrees Fahrenheit. The enclosure shall be of one piece, NEMA 4X fiberglass, weatherproof construction with smooth, rounded corners and shall be constructed to have a smooth exterior and interior. The enclosure shall be fitted with a closed cell neoprene gasket cover. The enclosure shall have back panel mounting provisions. The cover shall be hinged with a heavy-duty corrosion resistant stainless steel piano hinge. The cover shall be lockable by means of two (2) high quality combination stainless steel latches and padlock hasps. The enclosure shall be provided with external mounting feet on the top and bottom of the enclosure. These mounting feet shall be of fiberglass and molded as an integral part of the enclosure. The back panel shall be a minimum of.080" aluminum and held in place by (4) #10 screws, which will mate to four (4) threaded standoffs, whi ch are molded into the enclosure. The panel shall include a three pole main disconnect circuit breaker, control circuit breaker, I.E.C. rated motor starter with ambient compensated bimetal overload relay, control transformer with primary fusing, plug-in control relay, alternator relay, pump hand-off-auto switch, red alarm ligh t, audible alarm, alarm silence switch, enclosed wire way, terminal blocks, ground lug and all necessary wiring. Terminal strips must have a minimum 3" clearance to the inside wall of the enclosure for ease of wiring. The control circuitry shall include thermal overload protection, automatically stopping pump operation if overheating is sensed inside the motor housing of the pump. Pump operation wil l automatically resume once overheating conditio ns have passed. The control panel shall be fitted with a red lexan alarm light. The light shall remain solidly illuminated for moisture detection in the lower seal chamber of the pump. The alarm light shall flash, indicating a high water alarm conditio n in the basin. The ligh t shall be approximately 3" high by 2" diameter, mounted on the top surface of the enclosure, visible from all 360-degree direction. The bulb shall be 40-watt minimum high intensity-medium base type. The bulb or lens shall be easily replaced by removing a threaded setscrew and locking washer on the interior of the panel. The lens shall be mounted on top of the enclosure with a neoprene gasket. The alarm condition will produce a bright glowing alarm light and audible buzzer. The audible buzzer can be silenced by means of the silence switch inside the front panel. The red indicator light will remain illu minated as long as the alarm conditio n persists. Both flashing alarm ligh t and audible buzzer will stop when the water level drops to normal operating conditions. All internal wiring shall be neatly assembled with in an enclosed wire way. Each wire shall be a different color or stripe (except for ground), and all incoming wires shall terminate in the terminal block. All wires shall be 14GA. Type TEW rated for 105 degrees Celsius. A schematic diagram shall be permanently fastened to the inside of the enclosure. The control panel shall be U.L. listable as an assembly.

17 KEEN PUMP Duplex Control Panels 4 Float Operation KEEN Pump duplex control panels are custom designed for use with KEEN grinder and sewage pumps and packaged systems. All control panels are built to Underwriters Laboratories UL508 standard to ensure the highest level of quality and safety. All panels can carry the UL label. There are many optional features available, consult the "Control Panel Options Page". Standard Features - Duplex Panels Single Phase NEMA 4X Fiberglass Enclosure Stainles s Steel Piano Hinge (2) Pump Circuit Breakers (2 Pole) (2) Capacitor Start Kits Control Circuit B reaker (2) Motor Contac tors Alternator (switch able w/ lights) External A larm Light Flashing - High Water Level Audible Alarm - Sonalert Buzzer Alarm Test Switch (3) Control Circuit Relays DIN Rail Mounted Components Aluminum Back plate (2) Internal HOA Sw itches External Lockable Hasps Easy Wiring Terminal B locks Ground ing Lugs Three Phase NEMA 4X Fiberglass Enclosure Stainles s Steel Piano Hinge (2) Pump Circuit Breakers (3 Pole) Control Circuit B reaker (2) Motor Start ers Alternator (switch able w/ lights) External A larm Light Flashing - High Water Level Audible Alarm - Sonalert Buzzer Alarm Test Switch (3)Control Circuit Relays DIN Rail Mounted Components Aluminum Back plate (2) Internal HOA Sw itches External Lockable Hasps Easy Wiring Terminal B locks Ground ing Lugs Wiring in Enclosed Wire way Trans former (460 volt panels only)

18 KEEN PUMP DUPLEX CONTROL PANEL SINGLE PHASE 4 FLOATS - CAPACITORS in PANEL Technical Specifications A NEMA 4X fiberglass control panel shall be furnished with each pumping unit / basin package. The control panel enclosure shall be molded of glass reinforced polyester resins, whi ch are chemically resistant to corrosive atmospheres. The resin system shall be pigmented to impart a gray color to the enclosure and be resistant to ultraviolet ligh t. The resin system also shall include a flame retardant to obtain a flammability rating whi ch meets U.L. 94V-0. Heat distortion temperature shall be 350 degrees Fahrenheit. The enclosure shall be of one piece, NEMA 4X fiberglass, weatherproof construction with smooth, rounded corners and shall be constructed to have a smooth exterior and interior. The enclosure shall be fitted with a closed cell neoprene gasket cover. The enclosure shall have back panel mounting provisions. The cover shall be hing ed with a heavy-duty corrosion resistant stainless steel piano hing e. The cover shall be lockable by means of two (2) high quality combination stainless steel latches and padlock hasps. The enclosure shall be provided with external mounting feet on the top and bottom of the enclosure. These mounting feet shall be of fiberglass and molded as an integral part of the enclosure. The back panel shall be a minimum of.080" aluminum and held in place by (4) #10 screws, which will mate to four (4) threaded standoffs, whi ch are molded into the enclosure. The panel shall include (2) doubl e pole main disconnect circuit breakers, alarm circuit breaker, (2) I.E.C. rated motor contactors, (2) sets of start and run capacitors, (2) plug-in control relays, alternator relay, (2) pump hand-off-auto switches, red alarm ligh t, audible alarm, alarm silence switch, enclosed wire way, terminal blocks, ground lug and all necessary wiring. Terminal strips must have a minimum 3" clearance to the inside wall of the enclosure for ease of wiring. The control panel shall be fitted with a red lexan alarm light. The light shall remain solidly illuminated for moisture detection in the lower seal chamber of the pump. The alarm light shall flash, indicating a high water alarm conditio n in the basin. The ligh t shall be approximately 3" high by 2" diameter, mounted on the top surface of the enclosure, visible from all 360-degree direction. The bulb shall be 40-watt minimum high intensity-medium base type. The bulb or lens shall be easily replaced by removing a threaded setscrew and locking washer on the interior of the panel. The lens shall be mounted on top of the enclosure with a neoprene gasket. The alarm condition will produce a bright glowing alarm light and audible buzzer. The audible buzzer can be silenced by means of the silence switch inside the front panel. The red indicator light will remain illu minated as long as the alarm conditio n persists. Both flashing alarm ligh t and audible buzzer will stop when the water level drops to normal operating conditions. All internal wiring shall be neatly assembled with in an enclosed wire way. Each wire shall be a different color or stripe (except for ground), and all incoming wires shall terminate in the terminal block. All wires shall be 14GA. Type TEW rated for 105 degrees Celsius. A schematic diagram shall be permanently fastened to the inside of the enclosure. The control panel shall be U.L. listable as an assembly.

19 DUPLEX CONTROL PANEL SINGLE PHASE 4 FLOATS - CAPACITORS in PUMP Technical Specification A NEMA 4X fiberglass control panel shall be furnished with each pumping unit / basin package. The control panel enclosure shall be molded of glass reinforced polyester resins, whi ch are chemically resistant to corrosive atmospheres. The resin system shall be pigmented to impart a gray color to the enclosure and be resistant to ultraviolet ligh t. The resin system also shall include a flame retardant to obtain a flammability rating whi ch meets U.L. 94V-0. Heat distortion temperature shall be 350 degrees Fahrenheit. The enclosure shall be of one piece, NEMA 4X fiberglass, weatherproof construction with smooth, rounded corners and shall be constructed to have a smooth exterior and interior. The enclosure shall be fitted with a closed cell neoprene gasket cover. The enclosure shall have back panel mounting provisions. The cover shall be hing ed with a heavy-duty corrosion resistant stainless steel piano hing e. The cover shall be lockable by means of two (2) high quality combination stainless steel latches and padlock hasps. The enclosure shall be provided with external mounting feet on the top and bottom of the enclosure. These mounting feet shall be of fiberglass and molded as an integral part of the enclosure. The back panel shall be a minimum of.080" aluminum and held in place by (4) #10 screws, which will mate to four (4) threaded standoffs, whi ch are molded into the enclosure. The panel shall include (2) doubl e pole main disconnect circuit breakers, alarm circuit breaker, (2) I.E.C. rated motor contactors, (2) plug-in control relays, alternator relay, (2) pump hand-off-auto switches, red alarm ligh t, audible alarm, alarm silence switch, enclosed wire way, terminal blocks, ground lug and all necessary wiring. Terminal strips must have a minimum 3" clearance to the inside wall of the enclosure for ease of wiring. The control panel shall be fitted with a red lexan alarm light. The alarm light shall flash, indicating a high water alarm conditio n in the basin. The ligh t shall be approximately 3" high by 2" diameter, mounted on the top surface of the enclosure, visible from all 360-degree direction. The bulb shall be 40-watt minimum high intensity-medium base type. The bulb or lens shall be easily replaced by removing a threaded setscrew and locking washer on the interior of the panel. The lens shall be mounted on top of the enclosure with a neoprene gasket. The alarm condition will produce a bright glowing alarm light and audible buzzer. The audible buzzer can be silenced by means of the silence switch inside the front panel. The red indicator light will remain illu minated as long as the alarm conditio n persists. Both flashing alarm ligh t and audible buzzer will stop when the water level drops to normal operating conditions. All internal wiring shall be neatly assembled with in an enclosed wire way. Each wire shall be a different color or stripe (except for ground), and all incoming wires shall terminate in the terminal block. All wires shall be 14GA. Type TEW rated for 105 degrees Celsius. A schematic diagram shall be permanently fastened to the inside of the enclosure. The control panel shall be U.L. listable as an assembly.

20 DUPLEX CONTROL PANEL 4 FLOAT OPERATION Technical Specifications THREE PHASE A NEMA 4X fiberglass control panel shall be furnished with each pumping unit / basin package. The control panel enclosure shall be molded of glass reinforced polyester resins, whi ch are chemically resistant to corrosive atmospheres. The resin system shall be pigmented to impart a gray color to the enclosure and be resistant to ultraviolet ligh t. The resin system also shall include a flame retardant to obtain a flammability rating whi ch meets U.L. 94V-0. Heat distortion temperature shall be 350 degrees Fahrenheit. The enclosure shall be of one piece, NEMA 4X, weatherproof construction with smooth, rounded corners and shall be constructed to have a smooth exterior and interior. The enclosure shall be fitted with a closed cell neoprene gasket cover. The enclosure shall have back panel mounting provisions. The cover shall be hing ed with a heavy-duty corrosion resistant stainless steel piano hing e. The cover shall be lockable by means of two (2) high quality combination stainless steel latches and padlock hasps. The enclosure shall be provided with external mounting feet on the top and bottom of the enclosure. These mounting feet shall be of fiberglass and molded as an integral part of the enclosure. The back panel shall be a minimum of.080" aluminum and held in place by (4) #10 screws, which will mate to four (4) threaded standoffs, whi ch are molded into the enclosure. The panel shall include (2) three pole main disconnect circuit breakers, alarm circuit breaker, (2) I.E.C. rated motor starters with ambient compensated bimetal overload relay, control transformer with primary fusing, (2) plug-in control relays, alternator relay, (2) pump hand-off-auto switches, red alarm ligh t, audible alarm, alarm silence switch, enclosed wire way, terminal blocks, ground lug and all necessary wiring. Terminal strips must have a minimum 3" clearance to the inside wall of the enclosure for ease of wiring. The control circuitry shall include thermal overload protection, automatically stopping pump operation if overheating is sensed inside the motor housing of the pump. Pump operation wil l automatically resume once overheating conditio ns have passed. The control panel shall be fitted with a red lexan alarm light. The light shall remain solidly illuminated for moisture detection in the lower seal chamber of the pump. The alarm light shall flash, indicating a high water condition in the basin. The light shall be approximately 3" high by 2" diameter, mounted on the top surface of the enclosure, visible from all 360-degree direction. The bulb shall be 40-watt minimum high intensity-medium base type. The bulb or lens shall be easily replaced by removing a threaded setscrew and locking washer on the interior of the panel. The lens shall be mounted on top of the enclosure with a neoprene gasket. The alarm condition will produce a bright glowing alarm light and audible buzzer. The audible buzzer can be silenced by means of the silence switch inside the front panel. The red indicator light will remain illu minated as long as the alarm conditio n persists. Both flashing alarm ligh t and audible buzzer will stop when the water level drops to normal operating conditions. All internal wiring shall be neatly assembled with in an enclosed wire way. Each wire shall be a different color or stripe (except for ground), and all incoming wires shall terminate in the terminal block. All wires shall be 14GA. Type TEW rated for 105 degrees Celsius. A schematic diagram shall be permanently fastened to the inside of the enclosure. The control panel shall be U.L. listable as an assembly.

21 SIMPLEX SINGLE PHASE CONTROL PANELS Model No. HP VOLTS PUMP SERIES KCG2-115S / 230 KG2-115 KCG2-21CS / 230 KG2-21C KCG2-21S / 230 KG2-21, KHG2-21 KCGHH2-21S / 230 KHHG2-21, KHHG2H-21 KCNC3-21S / 230 KG-31, KHG-31 K4R30M2-21 K4V30M4-21 KCNC5-21S / 230 KG-51, KHG-51 K4R50M2-21 K4V50M4-21 KCNC7-21S KHG-71 DUPLEX Model No. HP VOLTS PUMP SERIES KCG2-115D / 230 KG2-115 KCG2-21CD / 230 KG2-21C KCG2-21D / 230 KG2-21, KHG2-21 KCGHH2-21D / 230 KHHG2-21, KHHG2H-21 KCNC3-21D / 230 KG-31, KHG-31 K4R30M2-21 K4V30M4-21 KCNC5-21D / 230 KG-51, KHG-51 K4R50M2-21 K4V50M4-21 KCNC7-21D KHG-71

22 SIMPLEX THREE PHASE CONTROL PANELS Model No. HP VOLTS PUMP SERIES KCG2-23S / 230 KG2-23, KHG2-23 KCG2-43S KG2-43, KHG2-43 KCNC3-23S / 230 KG-33, KHG-33 K4R30M2-23 K4V30M4-23 KCNC3-43S KG-33, KHG-33 K4R30M2-43 K4V30M4-43 KCNC5-23S / 230 KG-53, KHG-53 K4R50M2-23 K4V50M4-23 KCNC5-43S KG-53, KHG-53 K4R50M2-43 K4V50M4-43 KCNC7-23S / 230 KHG-73 K4R75M2-23 K4V75M4-23 K4VL75M4-23 K4VL75M6-23 K6VL75M6-23 KCNC7-43S KHG-73 K4R75M2-43 K4V75M4-43 K4VL75M4-43 K4VL75M6-43 K6VL75M6-43 KCNC10-23S K4VL100M4-23 K4VL100M6-23 K6VL100M4-23 K6VL100M6-23 KCNC10-43S K4VL100M4-43 K4VL100M6-43 K6VL100M4-43 K6VL100M6-43

23 SIMPLEX THREE PHASE CONTROL PANELS Model No. HP VOLTS PUMP SERIES KCNC15-23S K4VL150M4-23 K4H150M6-23 K6VL150M4-23 K6H150M6-23 K8H150M4-23 KCNC15-43S K4VL150M4-43 K4H150M6-43 K6VL150M4-43 K6H150M6-43 K8H150M4-43 KCNC20-23S K4VL200M4-23 K4H200M6-23 K6VL200M4-23 K6H200M6-23 K8H200M4-23 KCNC20-43S K4VL200M4-43 K4H200M6-43 K6VL200M4-43 K6H200M6-43 K8H200M4-43 KCNC25-23S K4H250M4-23 K4H250M6-23 K6H250M4-23 K6H250M6-23 K8H250M4-23 KCNC25-43S K4H250M4-43 K4H250M6-43 K6H250M4-43 K6H250M6-43 K8H250M4-43 KCNC30-23S K8H300M4-23 KCNC30-43S K8H300M4-43 KCNC40-23S K8H400M8-23 K10H400M8-23 KCNC40-43S K8H400M8-43 K10H400M8-43 KCNC50-23S K8H500M8-23 K10H500M8-23 KCNC50-43S K8H500M8-43 K10H500M8-43

24 DUPLEX THREE PHASE CONTROL PANELS Model No. HP VOLTS PUMP SERIES KCG2-23D / 230 KG2-23, KHG2-23 KCG2-43D KG2-43, KHG2-43 KCNC3-23D / 230 KG-33, KHG-33 K4R30M2-23 K4V30M4-23 KCNC3-43D KG-33, KHG-33 K4R30M2-43 K4V30M4-43 KCNC5-23D / 230 KG-53, KHG-53 K4R50M2-23 K4V50M4-23 KCNC5-43D KG-53, KHG-53 K4R50M2-43 K4V50M4-43 KCNC7-23D / 230 KHG-73 K4R75M2-23 K4V75M4-23 K4VL75M4-23 K4VL75M6-23 K6VL75M6-23 KCNC7-43D KHG-73 K4R75M2-43 K4V75M4-43 K4VL75M4-43 K4VL75M6-43 K6VL75M6-43 KCNC10-23D K4VL100M4-23 K4VL100M6-23 K6VL100M4-23 K6VL100M6-23 KCNC10-43D K4VL100M4-43 K4VL100M6-43 K6VL100M4-43 K6VL100M6-43

25 DUPLEX THREE PHASE CONTROL PANELS Model No. HP VOLTS PUMP SERIES KCNC15-23D K4VL150M4-23 K4H150M6-23 K6VL150M4-23 K6H150M6-23 K8H150M4-23 KCNC15-43D K4VL150M4-43 K4H150M6-43 K6VL150M4-43 K6H150M6-43 K8H150M4-43 KCNC20-23D K4VL200M4-23 K4H200M6-23 K6VL200M4-23 K6H200M6-23 K8H200M4-23 KCNC20-43D K4VL200M4-43 K4H200M6-43 K6VL200M4-43 K6H200M6-43 K8H200M4-43 KCNC25-23D K4H250M4-23 K4H250M6-23 K6H250M4-23 K6H250M6-23 K8H250M4-23 KCNC25-43D K4H250M4-43 K4H250M6-43 K6H250M4-43 K6H250M6-43 K8H250M4-43 KCNC30-23D K8H300M4-23 KCNC30-43D K8H300M4-43 KCNC40-23D K8H400M8-23 K10H400M8-23 KCNC40-43D K8H400M8-43 K10H400M8-43 KCNC50-23D K8H500M8-23 K10H500M8-23 KCNC50-43D K8H500M8-43 K10H500M8-43

26 KEEN PUMP Control Panel Options A AUDIBLE ALARM HORN A AUDIBLE ALARM BELL (TYPE 3R ONLY) A AUDIBLE ALARM SONALERT AX AUXILIARY CONTACTS (DRY FORM A) C ELAPSED TIME METER (PER METER) C CYCLE COUNTER (PER COUNTER) D DEAD FRONT DOOR G GENERATOR RECEPTACLE LA LIGHTNING ARRESTOR LL REDUNDANT LOW LEVEL OFF M MAIN DISCONNECT PM - - PHASE / VOLTA GE MONITOR R REMOTE DIALER UL - - UL 508A SERIALIZED LABELING

27 471 E. State Route 250 East Ashland, Ohio MERCURY LIQUID LEVEL CONTROL FLOATS A Series Mercury Float.CONTROL DUTY Narrow Angle Operation Normally Open w/10 Cord (20 & 50 Option) 18/2 SJOW-A Cord w/external Weight 2 120VAC C Series Mercury Float.PUMP DUTY Narrow Angle Operation Normally Open w/10 Cord (20 & 50 Option) 16/2 SJOW-A Cord w/external Weight VAC MECHANICAL H Series Mechanical Float.PUMP DUTY Wide Angle Operation (90 Degree) Normally Open w/15 Cord (25 & 50 Option) 14/2 SJOW-A Cord w/external Weight /240VAC Construction: (All Floats) L Series Mechanical Float.PUMP DUTY Wide Angle Operation (90 Degree) Normally Open w/20 Cord (50 Option) 12/2 SJOW-A Cord w/external Weight /240VAC Outer Shell ABS (Acrylonitril Butadiene Styrene), rated 105 deg. C, ultrasonically welded Switch Hermetically welded and sealed canister Pressurized pure argon gas for A & C series mercury floats Provides clean, spark extinguishing atmosphere for long life Cord Flexible SJOW in lengths to 50 Epoxy potted and bonded to float for watertight seal Weights Provided (attached) with all A & C series mercury float controls Plug Piggyback plug option available on mechanical H & L series floats

28 TECHNICAL SPECIFICATIONS CONTROL DUTY LIQUID LEVEL FLOAT CONTROLS Pump ON, OFF and ALARM levels shall be controlled by mercury tube float switches. The mercury switch shall consist of a hermetically welded and sealed canister pressurized with a pure argon gas atmosphere. The argon gas provides a clean atmosphere, extinguishing any sparking action, resulting in long switch life. The mercury switch shall be rated for a minimum 300,000 cycles. The complete float control shall at a minimum be component recognized by Underwriters Laboratories or listed with UL and CSA. The outer shell shall consist of a corrosion-resistant ABS (Acrylonitril Butadiene Styrene) material rated for sewage applications. The outer shell shall consist of an ultrasonically-welded construction, watertight for moisture protection. The electrical cord shall be a minimum 18 gauge, 2 conductor, SJOW-A jacketed cable. The cord shall be bonded with a steel ring and epoxy potted for a watertight seal at point of entry into the float housing. The cord shall meet and be rated for 120 VAC NEMA 5-15 / 240 VAC NEMA 6-15 standards. The cable shall be of sufficient length to reach the junction box or control panel with no splices. The minimum cable length shall be 10 feet. If other than standard cable length is provided, the cable length shall be feet. The level controls shall be suspended from a stainless steel bracket, so adjustments or replacements may be done without the use of any tools or entry into the basin. 3-17