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EHC Fusion Comet EHCCOM12KW, Installation & Technical Manual, Page: 5 / 24

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EHC Fusion Comet EHCCOM12KW Installation & Technical Manual Download Page 5

 5

GB-031C_f

InsTallaTIOn

ElECTRIC BOIlER InTERnal laYOuT

Figure 1

 

[1]  -  Stainless Steel Heat Exchanger

 

[2]  -  Flow Sensor

 

[3]  -  Pressure Sensor

 

[4]  -  Safety Valve

 

[5]  -  Circulating Pump

 

[6]  -  Safety Temperature limiter

 

[7]  -  Return connection

 

[8]  -  Flow connection

 

[9]  -  Power Board

  [10]  -  Control Module

  [11]  -  Automatic Vent 

  [12]  -  Expansion vessel

  [13]  -  By-pass Valve

  [14]  -  Magnetic Filter

 

PF  -  Internal 

„

mains

”

 phase connections from the PN connection block

 

PN  -  Incoming ‘mains’ cable connection block

  WP  -  Electric cable access

 

M  -  Boiler fixing points

 

RP  -  External Controls (Volt Free)

 

Electrical

 ‘

mains’ input

 

 

Summary of Contents for Fusion Comet EHCCOM12KW

Page 1: ...ate solution for central heating Installation technical Manual If you require any further assistance Telephone 01698 820533 Fax 01698 825697 E mail info electric heatingcompany co uk or visit our website www electric heatingcompany co uk ...

Page 2: ...nt back to The Electric Heating Company as soon as possible for registration An internal Magnetic Filter is fitted to the Boiler and it must be cleaned at least annually Note Failure to clean the Magnetic Filter may result in boiler shutdown Warranty calls will not be covered for this repair This appliance is not intended for use by persons including children with reduced physical sensory or menta...

Page 3: ...l provide an adequate fixing and should be fitted in a location that the boiler and pipe work are not subject to frost and damp conditions 3 Central heating design installation Detailed recommendations are given in BS EN 12828 BS 6700 and CP 342 2 Pipes forming part of the useful heating surface should be insulated to prevent any potential heat loss or frost damage BS 6700 Drain valves should be f...

Page 4: ...ement of water lost from the heating system sealed systems Reference should be made to BS EN 14336 for the method of filling and make up of water There must be no direct connection between the boilers central heating system and the main water supply When mains water is required to fill the system directly all local water bylaws must be observed and any connection made must be disconnected after us...

Page 5: ...y Temperature limiter 7 Return connection 8 Flow connection 9 Power Board 10 Control Module 11 Automatic Vent 12 Expansion vessel 13 By pass Valve 14 Magnetic Filter PF Internal mains phase connections from the PN connection block PN Incoming mains cable connection block WP Electric cable access M Boiler fixing points RP External Controls Volt Free Electrical mains input ...

Page 6: ...Add Fernox F3 cleaner to the system at the furthest point from the boiler this is to allow the substance to fully dilute throughout the system If you are unsure of the correct dose rate contact Fernox on 03301007750 for advice 3 Re fill the system and circulate the F3 cleaner prior to the boiler being fired up Commission the system in the normal way The cleansing agent must be in the system for a ...

Page 7: ...lace pointed by arrow 6 If the LEDs are signalling a different operating mode than recommended in table 15 1 set the appropriate mode according to the following instructions press the pump arrow button for longer than 2 seconds but less than 10 seconds LED s will start to flash the pump then switches to the programming mode LEDs glows to indicate the current settings To change the settings of the ...

Page 8: ...8 GB 031C_f Temporary Filling Loop Mains Water Supply INSTALLATION Figure 4 ...

Page 9: ...9 GB 031C_f Figure 5 Temporary Filling Loop Mains Water Supply ...

Page 10: ...LL WIRING MUST BE CARRIED OUT IN ACCORDANCE WITH CURRENT IEE BS7671 WIRING REGULATIONS ALL ELECTRICAL CONNECTIONS MUST BE MADE BY A QUALIFIED ELECTRICIAN Load check must be taken into consideration when installing high power boilers This will be carried out by a qualified electrician There may be an additional requirement to upgrade the incoming main fuse supplying the property if other high power...

Page 11: ... Stat Connections The boiler PCB has a voltage free connection for the controls RP NA Under no circumstances should 240V be connected to these controller block connections as this will damage the boiler s PCB and Void the Manufacturers warranty The stat programmer connections are clearly marked within the boiler Only after all connections have been made and checked should the system be filled with...

Page 12: ...4 16 15 N L N L 1 HTG 1 Call 3 EC10001 1 Channel COM Call Volt free Control Connections 3A Switched Fuse Isolator 6Amp 240V 50Hz Supply N NOTE RP are Volt free Contacts EXTERNAL CONTROL WIRING Figure 8 Heating Only Wiring Non Standard Volt Free Switching ...

Page 13: ...EC10002 2 Channel EC10003 3 Channel COM Call Volt free Control Connections 3A Switched Fuse Isolator 6Amp 240V 50Hz Supply N NOTE RP are Volt free Contacts COM Call COM Call COM 16 Way Junction Box BL HC10008 HC10008 HC10008 HW Zone Valve HTG Zone Valve 1 HTG Zone Valve 2 BR GR OR BL BR GR OR BL BR GR OR Product EC10010 Description 16 Way junction box Optional 2nd heating zone 230V 10A 50Hz ClassI...

Page 14: ...e Figure 10 SAFETY NOTE RP and NA are signal conductors only DO NOT CONNECT ANY VOLTAGE to these as this will damage the boiler and invalidate the boilers warranty Shower Sensor connection Optional External Volt Free Call Signal Programmer Thermostat ...

Page 15: ...3 Grz 1 Grz 2 Grz 3 Grz 4 Grz 5 Grz 6 L1 L2 L1 L2 L3 L3 G1 G1 G2 G2 G3 G3 G4 G5 G5 G6 G4 G6 P R F N L PUMP L N red blue Ground Power supply 230 400V POWER BOARD CONNECTION 415V 3N 39kW Connection of power board 39kW 415V 3N ...

Page 16: ...16 GB 031C_f POWER BOARD CONNECTION 415V 3N 14 4 23 kW Connection of power board 14 4 23kW 415V 3N Power supply 230 400V U N Ground H e 1 H e 2 H e 3 red blue L3 G3 L2 G2 L1 G1 N V W P R F N L PUMP L N ...

Page 17: ...17 GB 031C_f POWER BOARD CONNECTION 240V 4 14 4kW Connection of power board 4 14 4kW 240V Power supply 230 400V U N Ground H e 1 H e 2 H e 3 red blue L3 G3 L2 G2 L1 G1 N V W P R F N L PUMP L N ...

Page 18: ...18 GB 031C_f EXTERNAL BOILER WIRING BOILER DIMENSIONS Figure 11 Figure 12 Return Inlet Flow Outlet 710 ...

Page 19: ...ernal boiler interrupt active P Pump Indicator on pump is active proper flow rate of water has been reached Flashing lack of flow or insufficient flow rate of water heating elements are off Temperature Indicator Red light Boiler is in heating mode Green light Boiler temperature has been reached in radiators A Indicator flashing water pressure is not sufficient below 0 5 bar F When boiler is in Sum...

Page 20: ...rops below 5L min and therefore blocking any further heating until the flow rate is improved 2 6 To check the amount of kW energy being used by the boiler at any point in time press the button a number of times until only indicator C is illuminated The Kw figure will now be shown 2 7 When indicator H is illuminated the pump is running 3 Temperature Setting We recommend the boiler temperature be se...

Page 21: ...lable at Pump head if power available replace as necessary If power not available check fuse on Controller Module and replace if necessary Flow sensor not operating Check the flow sensor and replace as necessary G indicator is flashing but boiler digital display operating NA connection open circuit Ensure NA connection is closed or if using external control e g Shower Sensor that this is working c...

Page 22: ... Vessel charge pressure 1 5 bar Safety Class IP22 Overall dimensions height x width x depth 710 x 418 x 252 Dry weight 25kg Electrical supply 240V 1ph 50Hz 415V 3ph 50Hz Load current 25 0 Amp 37 5 Amp 50 0 Amp 60 0 Amp 3 x 16 7 3 x 20 0 3 x 29 2 3 x 53 8 Minimum permitted cable diameter 6mm 10mm 16mm 5 x 2 5 5 x 4 5 x 6 5 x 10 Heating output 20472 Btu 30709 Btu 40945 Btu 49134 Btu 40945 Btu 49134 ...

Page 23: ...23 GB 031C_f ...

Page 24: ... the end of its working life To prevent possible harm to the environment or human health from uncontrolled waste disposal please separate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources Household users should contact either the retailer where they purchased this product or their local government office for details of where and how t...

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