FCHM Hydromatic Pump Control Module

Transcription

1 FCHM Hydromatic Pump Control Module Use To maintain and control water pressure, within a pumped system, for the supply to industrial processes and heating systems. Ensures constant flow and pressure to allow optimum performance of gas boilers or heaters, while preventing cycling and consequent temperature variations in the various appliances. Description A compact unit, which combines all the functions of a complete pressurising system, ie. Pressure Switch, Dry Running cut-out, Control Panel, Pressure Reservoir and Non-return Valve. The system employs a hydraulic chamber, equipped with a damping system to protect against water hammer, and a patented electromechanical control board, to be connected to 240Vac power source, with an internal 24V secondary circuit. Compared with conventional systems this is not only more compact, but easier and quicker to install, and makes for significant energy savings and reduced pump wear. It is also maintenance free, as the pressurisation unit does not require precharging with air. This system combines the versatility and control of conventional pressure switches with the advantages of pressure/flow switches. Avoids the need for pressure reservoirs, along with their associated maintenance costs. System enables maintenance of constant flow, elimination of shock loads, totally independent management of the electric pump, and can regulate start-up pressure between 1 and 3.5 bar. System shuts down pump if water supply fails, or the flow falls below 1.5L/min. Units must be mounted with the inlet & outlet aligned within 5 of vertical. SPECIFICATION Supply voltage 240Vac 50-60Hz Max operating power 1KW IP Rating 55 Max pressure 10 bar Max flow rate 100 l/min Max fluid temperature 55 C Max ambient temperature 55 C Minimum start-up pressure adjustable bar Pump shutdown Flowrate 1.5L/min. Minimum output pressure = start-up pressure plus 0.5 bar Body material reinforced Polyamide 30% Membrane material EPDM Every effort has been made to ensure that the descriptions and specifications quoted are correct, however, no liability can be accepted for any errors or omissions in this data. The detail specifications are subject to change without prior notice. FCHM2000UK Visual indication and manual reset for water circuit faults, caused by low pressure or flow. Control of circuit pressure by differential pressure switches, which can be set from 1 to 3.5 bar for the minimum pressure. Auxiliary fuse to protect the pump control circuit. Crydom Magnetics Ltd 7 Cobham Road Ferndown Industrial Estate Wimborne Dorset BH21 7PE Tel: +44 (0) Fax: +44 (0) magnetics@crydom.com

2 FCHM Hydromatic Pressure Regulator FCHM SCHEMATIC Pressure Vessel Dumper System Adjustable Max. Pressure DISCONNECT POWER BEFORE OPENING 164mm RESET M IP 55 MAX 55 C MAX 10 bar - 1 MPs 230 V HZ MAX 1KW PUMP POWER FAILURE Adjustable Min. Pressure 1" BSP Foot Valve Dry Running 215mm Control Panel WITHOUT FCHM Pressure Vessel Dry Running Press Switch Max. Press Press Switch Min. Press Control Panel Foot Valve WITH FCHM

3 FCTE Pump Dry Running Sensor The FCTE is a heat sensor, which is attached to the outlet pipe from a pump. This device works by reacting to the temperature at the outlet of any centrifugal type pump, which will rapidly rise past 45 C if the inlet water level falls below the centre line of the inlet. The unit will cut off the electrical supply to the pump, so protecting it from damage. Manual resetting of this unit allows the pump to restart. SPECIFICATION Set Temperature 45 C 113 F Switching voltage max. 250Vac Switching current max. resistive 16A Pipe diameter range mm IP Rating 21 TE thermostat Heat accumulation zone due to vapour formation TE thermostat also protects the seal T E Prevents dry-running of pump Prevents overheating of seals High power switching capacity Level of water when TE cuts in Dia. min 20 max 400 Spring clip fixing sensor to pipe Every effort has been made to ensure that the descriptions and specifications quoted are correct, however, no liability can be accepted for any errors or omissions in this data. The detail specifications are subject to change without prior notice. FCTE2000UK Crydom Magnetics Ltd 7 Cobham Road Ferndown Industrial Estate Wimborne Dorset BH21 7PE Tel: +44 (0) Fax: +44 (0) magnetics@crydom.com

4 FCTE Pump Dry Running Sensor INSTALLATION Top View reset button T E heat sensor brass strip diameter. min 20 max 400 indicator light cable entry pipe spring clip fixing sensor to pipe reset button indicator light cable entry 46 brass heat conductor strip heat sensor Side View A - A three-phase motor pump protection pump thermic relay examples of positioning 16 A 250V TE thermostat 250V single - phase motor pump protection

5 Flow Switch Series Our range of Flow Switches are reed switch based devices which are manufactured in Acetal resin. These switches are designed for use in liquid flow systems up to 10 Bar pressure. Advanced design ensures minimal fluid flow restriction. ELECTRICAL SPECIFICATIONS Contact form ALL TYPES VA Rating 15 N/O Switching Voltage AC 240 Switching Voltage DC 120 Switching Current maximum A 1.0 All ratings are for resistive load only TECHNICAL SPECIFICATIONS FS15A FS15LF FS22A Operate Flow Rate* litres/min US gals/min Release Flow Rate** litres/min US gals/min * The switch will have operated when the flow rate rises above this value. ** The switch will have released when the flow rate falls below this value. Installation Flow switches can be mounted horizontally or vertically. As the operating piston is returned to it's original position by gravity the cap must always be upwards. Greater operate flow sensitivity is achieved with vertical installation. Supplied with 25cm Cable. OUTLINE DIMENSIONS FS15 15mm (0.59") FS22 22mm (0.87") Maximum Operating Pressure 10 bar. (140 PSI) Low flow version available WRAS approval Temperature rated to 85 C (185 F) 107mm (4.21") 114mm (4.48") 56mm (2.20") 58mm (2.28") Every effort has been made to ensure that the descriptions and specifications quoted are correct, however, no liability can be accepted for any errors or omissions in this data. The detail specifications are subject to change without prior notice. Crydom Magnetics Ltd 7 Cobham Road Ferndown Industrial Estate Wimborne Dorset BH21 7PE Tel: +44 (0) Fax: +44 (0) magnetics@crydom.com

6 Flow Switch notes General Note These flow switches are designed for use in low pressure, hot or cold, water systems. They may also be used with alcohol or dilute weak acids, including organic acids, up to a maximum concentration of 5%, at ambient temperatures. N.B. These switches are not suitable for used with any type of chlorinated liquid. Installation Note Check the free movement of the switch plunger, before installation, by gently shaking the switch. The Flow direction is indicated by arrows moulded on the flow switch body. These switches may be installed, either vertically or horizontally, using compression fittings. The cable entry cap should always be upwards. N.B. Care should be taken, when using metal compression fittings, to avoid overtightening the fitting onto the flow switch body. The cap should not be unscrewed from the body as the components are factory present and can not be set by the user. Electrical Caution Do not put strain on the connecting wires, as this may cause damage to the switch. The use of plastic plumbing fittings may affect electrical earth continuity bonding, as required by IEE regulations. Please consult a qualified electrician, if in doubt. Pressure loss There will be a pressure loss due to the restriction caused by the flow switch. This will increase, with the flow rate, as shown on the chart. Pressure Loss Fig mbar 8 p.s.i flow rate litre/min

7 flowsonic Ultrasonic Flow Meter This innovative design provides a high accuracy, non-invasive, flow measurement device at a fraction of the cost of other current non-invasive systems. The unique measurement technique automatically compensates for viscosity and temperature variations. The measurement of flow is by ultrasonic transit time in-line cell. The flow path is designed to minimise pressure drop and, having no moving parts within, will not clog or jam. The flowsonic sensor also allows contaminants to pass through without affecting its performance. The flowsonic sensor can be supplied with either a 0-5Vdc analogue output, or a pulsed 5V output. Technical Specifications UF10V UF10P UF25V UF25P Max. flow L/min Min. flow L/min Output 0-5VDC Pulse 0-5VDC Pulse Performance UF10V UF10P UF25V UF25P Accuracy 3% of reading or ±0.1L/min ±0.25L/min Repeatability 1% of reading or ±0.05 L/min ±0.1L/min Linearity The flowsonic meter can be used, in addition to flow rate measurement, for very accurate batch control of liquids in processes, such as chemical dosing or food processing. Accurate dispensing of drinks over the counter or in vending machines can be achieved by interfacing this flow meter with the dispensing system. Interface UF10V UF10P UF25V UF25P Connection Supply Output load Operation Principle Ultrasonic transit time in-line flow cell Temp. range (fluid) -10 C to 85 C Continuous fluid sound 1% of full scale Resolution better than 0.05L/min 0.1L/min Reverse flow 0-10L/min 0-25L/min Response time Better than 0.4s 3 wires (RED input, BLUE common, GREEN output) 7-15VDC (input current 9VDC) 100k (for 4.8VDC output, lower impedance loads will reduce maximum output voltage) Output 0-5VDC 1500 pulses/l 0-5VDC 752 pulses/l Max. output 5VDC 250 pulses/sec 5VDC 314 pulses/sec Min. output 0VDC 0 pulses 0VDC 0 pulses Maintains performance regardless of fluid type, temperature or viscosity for speed measurement fluids with sound speeds m/s Non-invasive sensor technology No moving parts Automatic viscosity and temperature compensation Unaffected by fluid contaminants Low pressure drop Push fit connection option Crydom Magnetics Ltd 7 Cobham Road Ferndown Industrial Estate Wimborne Dorset BH21 7PE Tel: +44 (0) Fax: +44 (0) magnetics@crydom.com

8 flowsonic Ultrasonic Flow Meter Sound transmitted in direction of flow is accelerated; sound transmitted against flow is decelerated. The resulting time difference is proportional to flow and converted by a microcontroller into an output signal. Liquid Flow Ultrasound Flow characteristics Dimensions Pressure drop (bar) A B A B C D E 62mm 45mm 90mm 33mm 3/8 BSP Flow (L/min) C D Physical characteristics Flow tube material Glass filled plastic, Grivory HTV-4X1 (WRAS approved) Flow tube internal diameter 12.5mm Connection thread 3/8 BSP Internal bore of connection 10mm Pushfit adaptor (to fit 1/2 OD Tube) John Guest Speedfit PI451613S Maximum pressure 15 bar Case material Nylon 66 Case integrity Ultrasonically welded, not liquid proof Connection 6 core shielded, PVC sheathed, 50cm long standard Ordering Code Series Flow range (10 = 0 to 10L/min) (25= 0 to 25L/min) UF 10 P 050 Cable length (cms) Output (P = pulse, V = volts)