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Heatrae Sadia Amptec, Installation Instructions And User Manual

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Heatrae Sadia Amptec Installation Instructions And User Manual Download Page 26

26

14.0 PUMP - RELAY CONTROL FOR AMPTEC BOILERS

2 or 3 boilers on single phase 240V or three phase 415V supply

Isolation relays must be used as shown in figure 21 opposite for 2 or more boilers to operate the pump. 
Boilers can be connected on a single phase 240V supply or on separate phases of a 415V supply.

Relay specification:  

Coil     

240V 50 Hz

Contacts   

240V 10Amps N/O (Normally Open)

Isolation  

Coil to Contact - 415V minimum working.

Capacitor 

4.7uF 240V 50Hz Class X2

For 2 boilers use Heatrae Sadia part number 95 970 135

For 3 boilers use Heatrae Sadia part number 95 970 136

Summary of Contents for Amptec

Page 1: ...1 Amptec Electric Flow Boiler Installation Instructions and User Guide...

Page 2: ...and commissioning the operation of the boiler should be explained to the user section 9 0 and these instructions left with them for future reference This appliance can be used by children aged from 8...

Page 3: ...ater is available from a cylinder Can be used in sealed or open vented system installations No flue or fuel tank required Quiet in operation Operates from standard programmers room thermostats etc Pum...

Page 4: ...V Btu 240V Btu Size 95 022 001 C400 3 5kW 11 900Btu 4kW 13 600Btu 1050 x 90 x 90mm 95 022 101 U401 3 5kW 11 900Btu 4kW 13 600Btu 1050 x 90 x 90mm 95 022 002 C600 5kW 17 000Btu 6kW 20 400Btu 1050 x 90...

Page 5: ...subjected to extremes of temperature Note Before connecting the pipework ensure the rubber seal at the top of the boiler is firmly in place check it has not become loose in transit The warranty will b...

Page 6: ...ion pipework on open vented systems to provide a route for air to vent DO NOT FIT THE AAV DIRECTLY ABOVE THE BOILER The Amptec boiler is suitable for operation in sealed or open vented systems It is a...

Page 7: ...d boiler 22mm branch to third boiler 35mm away to heating circuit Repeat for the return connections Single pump in the 35mm flow line ensure sufficient flow for all 3 boilers i e for 3 x 1200 boilers...

Page 8: ...ARRANGEMENT USING THE RADIATOR FITTED WITH TWO LOCKSHIELD VALVES NOTES 1 OPEN VENTED SYSTEMS MUST HAVE A MINIMUM HEAD OF 1 5 METRES AND MAXIMUM HEAD OF 30 METRES 2 FIT THE AUTOMATIC AIR VENT AAV AS S...

Page 9: ...28mm pipework flow and return is required A bypass must be fitted Preference should be made for the equivalent of a 600 x 600 radiator per boiler FIGURE 4 THREE BOILER PLUMBING SCHEMATIC AUTOMATIC AI...

Page 10: ...ons Access can be gained to the electrical connections by removing the top front panel 1 CONN 5 MAIN POWER Main power supply cables HOFR cable to be used Connect the power cables from the power supply...

Page 11: ...e main power terminals Loose connections can cause a fire and will invalidate the warranty The control RUN signal is optically isolated from the main boiler supply to enable different phases to be use...

Page 12: ...L MAINS SUPPLY DOUBLE POLE RCD OR DOUBLE POLE ISOLATION LOCAL TO BOILER DOUBLE POLE ISOLATION SWITCH OR DOUBLE POLE RCD 3A FUSED SPUR OR MCB HEAT RESISTANT CABLE DEMAND SIGNAL FROM CONTROLS PROGRAMMER...

Page 13: ...BACK OF PCB WHEN TIGHTENING SCREWS ENSURE SCREWS ARE TIGHT SUPPLY CONN 5 CONN 1 FS 1 2A 240V 5 X 20mm REMOVE TOP COVER ONLY TO GAIN ACCESS TO THE CONNECTIONS ON THE PRINTED CIRCUIT BOARD INSIDE THE BO...

Page 14: ...DIAGRAM ROOM STAT CYLINDER STAT BLUE GRN YLW BROWN GREY ORANGE 2 1 3 C 1 2 E N L N RUN TO BOILER L N CH ON HW ON CH OFF HW OFF FROM 3A FUSED SPUR OR MCB 1 2 3 4 5 6 7 8 9 10 TIME CONTROLLER BLUE GRN Y...

Page 15: ...2 E N L N RUN TO BOILER L N CH ON HW ON CH OFF HW OFF FROM 3A FUSED SPUR OR MCB TIME CONTROLLER FIGURE 11 TYPICAL Y PLAN WIRING DIAGRAM 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 MID POSITION VALVE E...

Page 16: ...l zones b A room thermostat or programmable room thermostats in the main zone and TRV s in all other zones 6 Cylinder thermostat and zone valve to control stored hot water Non electric hot water contr...

Page 17: ...nsure the whole system valves etc are operating correctly Continue to run the pump for some time to purge any air Don t forget to bleed the pump 7 Switch off the main supply RCD and MCB s Ensure it is...

Page 18: ...IRES FROM CONN1 BLOCK RECONNECT PUMP LIVE TO RUN WIRE RECONNECT PUMP NEUTRAL TO NEUTRAL UNPLUG CONN1 BLOCK FROM PCB ENSURE IT IS SAFE BEFORE CARRYING OUT TEST POWER UP SYSTEM WITH ALL CONTROLS SET TO...

Page 19: ...TEMPERATURE SWITCH ALARM 2 HEATING DEMAND WATER PRESENT WATER CHECK WATER TEMPERATURE SETPOINT PREVIOUS HEATING DEMAND ON WATER TEMPERATURE 85 C WATER TEMPERATURE 10 C ALARM 1 OVER RUN PUMP 1MINUTE HE...

Page 20: ...ive cleaners Do not allow water inside the boiler Do not immerse in water 10 0 SERVICING IT IS ESSENTIAL THAT THE BOILER IS CHECKED ANNUALLY Checks must include the electrical connections and inhibito...

Page 21: ...the power connectors on the elements 6 Disconnect the main power cable to Conn 5 7 Remove the 4 pan head screws washers identified by the black triangles see fig 16 below 8 Carefully remove the PCB as...

Page 22: ...fit a capacitor between the R run and N neutral terminals on the control connector to prevent the boiler continuing to run when the cylinder and the room thermostats are satisfied This is due to a lea...

Page 23: ...T FINDING SECTION NO YES IS AN ALARM LED ILLUMINATED GO TO ALARM FAULT FINDING SECTION YES NO IS THE SUPPLY LED ILLUMINATED GO TO SUPPLY LED OFF FAULT FINDING SECTION NO YES THE BOILER IS NOT OPERATIN...

Page 24: ...ES IS THERE 230V ON FS1 LINK NEUTRAL MAIN TERM CHECK FOR SHORT CIRCUITS ON WIRING TO THE PUMP IF OK REPLACE FS2 FUSE T 2A 240V 20 x 5mm NO YES IS THE MAIN SUPPLY AVAILABLE CHECK 240V IS SUPPLIED TO TH...

Page 25: ...THERE 230V BETWEEN R AND N CONTROL CHECK THE WIRING TO THE BOILER NO YES IS THE 230V DEMAND AVAILABLE CHECK AND SET THE PROGRAMMER AND THERMOSTATS ON NO YES CALL LED NOT FLASHING NO DOES THE MAIN RCD...

Page 26: ...ilers to operate the pump Boilers can be connected on a single phase 240V supply or on separate phases of a 415V supply Relay specification Coil 240V 50 Hz Contacts 240V 10Amps N O Normally Open Isola...

Page 27: ...CONTROL SIGNAL DEMAND 240 volts NEUTRAL CONTROL PUMP SUPPLY FIRST AMPTEC BOILER SECOND AMPTEC BOILER CONTROL PUMP SUPPLY EARTH PLUS CASE EARTH EARTH PLUS CASE EARTH RL2 HEATRAE SADIA PART NUMBER 96 9...

Page 28: ...on the mains electrical supply After showering the boiler will restart Electric showers are normally run for short periods at a time and therefore shutting down the heating during these times should...

Page 29: ...n the UK The unit is not guaranteed against damage by frost and the immersion heater is not guaranteed against excessive scale build up This Guarantee in no way affects the statutory rights of the con...

Page 30: ...t rated heat output and high temperature regime 2 4 99 8 100 2 100 8 100 9 101 5 Useful efficiency at 30 of rated heat output and low temperature regime 1 100 8 101 1 101 7 101 9 102 5 Auxiliary elect...

Page 31: ...umption Q HE kWh 8661 12986 19472 23796 25958 Product name Model identifier U401 U601 U901 U1101 U1201 Seasonal space heating energy efficiency class Rated heat output Prated kW 4 6 9 11 12 Seasonal s...

Page 32: ...orporate responsibility and sustainability charters and reduce our printed material we encourage you to download product brochures from our website In designing these files we have taken into account...

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