ULTRA-SAFE EXP U N I T E X P L O S I O N - P R O O F S Applications Aircraft Hangars/Service Areas hemical Storage/Handling Areas oal Preparation Plants ompressor Stations Grain Elevators Oil Refineries and Rigs Paint Storage Areas Petrochemical Plants Sewage Pump Stations/ Treatment Plants Spray Booths lass I, Divisions and, Groups and D lass II, Divisions and, Groups E, F and G lass I, Zones and, Group IIB Temperature ode T, 0 F (60 ) INDEEO s ULTRA-SAFE EXP explosion-proof unit heater is designed with both safety and versatility in mind. Unique ULTRA-SAFE EXP features include: Industry s Lowest Ignition Temperature ode Rating: T, 0 F (60 ) Dual Overtemperature Protection: With both automatic and manual reset overtemperature cutouts for additional safety. Nontoxic Propylene Glycol Heat Transfer Fluid Low 70 PSIG Relief Valve Setting: This assures that in an emergency, the initial escaping vapor temperature remains below the 0 F (60 ) ignition temperature. orrosive Resistant Options: INDEEO offers three constructions suitable for most applications. Standard construction for use in dry non-corrosive areas includes: welded steel heat exchanger; powder-coated cabinet; epoxy-coated motor. A 6 stainless steel construction suitable for Waste Water Treatment Plants includes: 6 stainless steel heat exchanger, headers and tubes with aluminum fins; stainless steel cabinet; corrosive resistance hardware; epoxy-coated motor. Third construction is suitable for use in hemical Plants where chlorides are present and includes: Heresite coated heat exchanger, cabinet, fan blade; corrosive resistance hardware; epoxy-coated motor. Standard onstruction Features Heat Exchanger Efficient liquid-to-air design utilizes an all welded steel headers and finned tube construction with spiral wound aluminum fins. Industrial grade INDEEO heating elements are immersed in a nontoxic, inhibited, propylene glycol heat transfer fluid that provides freeze protection down to -49 F (-45 ). The heat exchanger is hydrostatically tested at 50 psig. A pressure relief valve provides excess pressure protection and is set at 70 psig. Fan Motor Assembly onsists of an explosion-proof motor fitted with an aluminum fan blade. The motor has double-shielded, permanently lubricated ball bearings and automatic reset line breaking thermal overload protection. Motors furnished on standard units operate at line voltage and are prewired to the control enclosure so separate field wiring to the motor is not required. The standard motor is rated for lass I, Groups and D, lass II, Groups F and G. The minimum operating temperature is -4 F (-5 ) and the minimum storage temperature is -49 F (-45 ). Optional motor ratings are described on page 9. abinet/louvers Industrial grade, corrosion resistant construction fabricated from powder coated 4-gauge galvanized steel. The adjustable louvers have minimum opening safety stops. ontrols Factory mounted on the unit heater. Standard built-in controls include automatic and manual reset overtemperature cutouts, controlling magnetic contactor, 4-volt control circuit transformer and incoming power terminal blocks housed in a NEMA 7, 9 cast aluminum enclosure. 8 800-4-86
U N I T ULTRA-SAFE EXP Factory Built-in Options ode Option Description D E H 6 Stainless Steel orrosion Resistant onstruction (Waste Water Treatment Plants) Dirty Duty orrosion- Resistant onstruction (hemical Plants) Disconnect Switch Group E (Metal Dust ) onstruction 50 Hertz Motor 6 Stainless steel heat exchanger with aluminum fins, 6 stainless steel cabinet; aluminum fan blade; cast aluminum NEMA 4X, 7, 9 control enclosure; corrosionresistant hardware; corrosion-resistant protective coated motor which has passed the TM B7 salt-spray test. Epoxy-coated motor; Heresite coated heat exchanger cabinet and fan blade; cast aluminum NEMA 4X, 7, 9 control enclosure; corrosion resistant hardware; corrosionresistant protective coated motor which has passed the TM B7 salt-spray test. Factory installed on the unit heater beside the control enclosure. This is an inexpensive and positive way to meet NE/E requirements for a disconnecting means within sight of the heater. lass II, Group E (Metal Dust) onstruction Temperature ode T, 0 F (60 ) Optional motors for international requirements. ontact factory for KW availability. ode () S E X P L O S I O N - P R O O F S K "Warning" Pilot Light Indicates when the thermal cutouts have tripped and the unit heater needs servicing. L "Heater On" Pilot Light Indicates when the electric heating elements are energized. M Manual Reset Thermal utout with Backup ontactor A pilot duty manual reset thermal cutout with a backup contactor is provided for independent secondary overtemperature protection. This option cannot be provided if option ode S or V are also specified. S Auto/Fan Selector Switch A two-position switch wired to the control circuit for auto (automatic heat) and fan only control. This selector switch cannot be provided if option ode M or V are also specified. T Adjustable Thermostat Factory installed and prewired to the control enclosure. Thermostat is adjustable from 50 to 90 F (0 to ) range. S V 0 Volt ontrol ircuit an be provided when required for special external thermostat circuit. This option cannot be provided if option ode S or M are also specified. Nor can both K and L be specified. () S = Stock, = Assembly Stock, = ustom Stock heaters ordered with assembly stock or custom options subject to longer delivery. 800-4-86 9
ULTRA-SAFE EXP U N I T E X P L O S I O N - P R O O F S Accessory Items ULTRA-SAFE EXP Heater Mounting Kits These are available for ceiling, wall and pole mounting configurations as described below. Specify type required and catalog number at time of order entry..5 (6.5) MH ULTRA-SAFE EXP Explosion-proof Unit Heater 6-/8" (59.76 mm) 5" (7 mm) ULTRA-SAFE EXP Explosion-proof Unit Heater MW 5" (7 mm) ULTRA-SAFE EXP Explosion-proof Unit Heater eiling Mounting Kit Wall Mounting Kit Pole Mounting Kit MW Size MH In. (mm).06 (8) 5.06 (8.6) 9.06 (484.) MW In. (mm) 9 (8.6) 7 (77.8) 5 (7) Unit Heater Mounting Kits (One kit required per heater) Mounting Kits for use with Standard Heater Powder oated onstruction atalog Number 045 045 0455 Description eiling Mounting Kit, for Frame Sizes,, Wall Mounting Kit, for Frame Size,, Pole Mounting Kit, for Frame Size,, Week Unit Heater Mounting Kits (One kit required per heater) Mounting Kits for use with Heaters which include optional orrosion Resistant odes and atalog Number 045-S 0454-S 0455-S Description orrosion Resistant eiling Mounting Kit, for Frame Sizes,, orrosion Resistant Wall Mounting Kit, for Frame Size,, orrosion Resistant Pole Mounting Kit, for Frame Size,, Week For corrosion resistant option, add - S to the end of item number. Remote Room Thermostat Use catalog number 00700. See page 95. 0 800-4-86
U N I T ULTRA-SAFE EXP Dimensions, Airflows and Weights Overall Heater Dimensions Airflow haracteristics Motor/Fan Weight KW Range X In. (mm) Y In. (mm) Z In. (mm) FM (M/Hr) Throw Ft. (m) RPM HP Fan Diameter In. (mm) Net Lbs (Kg) Shipping Lbs (Kg) Size Size Size -5 KW 7.5-0 KW 5 KW 0 KW 5 KW 0 KW 8.5 (46.55) 9.75 (49.5) 6.06 (408) 650 850 5 (4.5) 5 (7.6) /4 (04.8) 0 (49.89) 0 (58.96) 8.5 (46.55).75 (59.75) 0.88 (5.775) 800 45 (.7) 75 /4 6 (406.4) 50 (68.0) 69 (76.65) 0.00 (508) 7.75 (695.5) 4.88 (64.75) 0 850 65 (9.8) 75 (.8) / 0 (508) 90 (86.8) 6 (97.97) E X P L O S I O N - P R O O F S Y X Side View 6-/4" Z Front View 800-4-86
ULTRA-SAFE EXP U N I T E X P L O S I O N - P R O O F S ULTRA-SAFE EXP Unit Heater Listing KW 5 7.5 0 5 0 5 0 Volts Phase Total Amps () 7 5 0 9 5 4 6 6 4 7 6 8 4 0 0 9 44 0 6 44 8 9 6 5 5 7 0 Frame Size Approximate Air Temperature Rise F ( ) 5 (8) 5 (8) 5 (8) 5 (8) 5 (8) 5 (8) 5 () 5 () 5 () 5 () 5 () 5 () 8 (6) 8 (6) 8 (6) 8 (6) 8 (6) 8 (6) 8 () 8 () 8 () 8 () 8 () 7 (5) 7 (5) 7 (5) 7 (5) 5 (9) 5 (9) 6 (4) 6 (4) 5 () 5 () lass I, Divisions and, Groups and D lass II, Divisions and, Groups F and G lass I, Zones and, Group IIB Temperature ode T, 0 F (60 ) atalog Number -FA-006 -FA-006J -FA-006D -FA-006K -FA-006U -FA-006Z -FA-0056 -FA-0056J -FA-0056D -FA-0056K -FA-0056U -FA-0056Z -FA-0086 -FA-0086J -FA-0086D -FA-0086K -FA-0086U -FA-0086Z -FA-006J -FA-006D -FA-006K -FA-006U -FA-006Z -FB-056D -FB-056K -FB-056U -FB-056Z -FB-006U -FB-006Z -F-056U -F-056Z -F-006U -F-006Z Week () Total Amps = Heating element amps and motor amps. 800-4-86
U N I T Standard - Non-corrosive applications Aircraft Hangars/Servicing Areas oal Mines/Preparation Plants Gasoline Fueling/Storage Areas Paint Spraying/Storage Areas Utility Plants ULTRA-SAFE EXP Explosion-Proof Unit Heater Three onstructions to hoose From; Standard, Stainless Steel or Heresite Standard 4VA transformer ontactor Automatic and manual reset overtemperature thermal cutouts Heavy 4-Gauge abinet Powder coated - standard 6 stainless steel or Heresite coated - options Optional 6 Stainless Steel or Heresite oating hemical Plants hemical Storage/Handling Areas Food Processing Plants Oil Refineries Petrochemical Plants Sewage Treatment/Wastewater Treatment Plants Adjustable louvers Finger safe fan guard split construction for easy removal for field servicing. E X P L O S I O N - P R O O F S Optional Disconnect switch with lockout Fan selector switch Thermostat Thermally-protected explosion-proof motor with heavy-gauge aluminum fan blade designed for easy field servicing. Designed for Easy Servicing Removable core Split fan guard Easy access to motor and fan Replaceable automatic and manual thermal cutouts Threaded control enclosure Heater ore All welded construction with: Painted steel heaters with steel tubes and spiral wound aluminum fins - standard 6 stainless or heresite construction - options ore can be easily removed through bottom of cabinet Heresite is a registered trademark of Heresite Protective oatings, Inc. 800-4-86