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www.stromltd.com

STROM LIMITED 

2020

22

COMBINATION BOILER

TWIN ZONE PROGRAMMER, THERMOSTATS & TRV’S (150m

2

+)

Electric Boilers

DIAGRAMS PROVIDED AS GUIDANCE ONLY, FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED 

PLUMBER INLINE WITH CURRENT PART L GUIDELINES.

PART L COMPLIANT LAYOUTS

BOILER

2 PORT

3 PORT

ABV

WHEEL 

HEAD 

VALVE

LOCK 

SHIELD 

VALVE

THERMASTIC 

RAD VALVE

ROOM

STAT

PROG 

ROOM

STAT

MULTI

CHAN

PROG

TWO

CHAN

PROG

ONE

CHAN

PROG

CYL

STAT

JUNCT.

BOX

WIRING

Summary of Contents for Combi E-Boiler Series

Page 1: ...1 The Strom E Boiler INSTALLATION GUIDE www stromltd com STROM LIMITED 2020 THE FUTURE OF HEATING IT S ALL IN THE DETAILS REMEMBER TO REGISTER WWW STROMLTD COM GUARANTEE 2ND ISSUE...

Page 2: ...tness The warranty will not cover charges that have not been organised by Strom Ltd This appliance is not intended for use by anyone including children with reduced physical sensorial or mental capaci...

Page 3: ...ing systems 1 Load Check A load check should be taken into consideration when installing high output boilers 2 Central heating design Detailed recommendations are provided in BS EN 12828 and BS EN 670...

Page 4: ...ction Size 1 2 Female 700m m 425mm 2 6 0 m m SINGLE PHASE THREE PHASE 7kW 11kW 14 4kW 18kW 21kW 24kW Voltage 230V 230V 230V 400V 400V 400V Amps 32A 55A 62A 27A 32A 36A Recommended Breaker 40A 63A 63A...

Page 5: ...5 Electric Boilers WHATS IN THE BOX 1 BOILER 2 INTEGRATED WALL MOUNTING BRACKET 3 WALL MOUNTING GUIDE 4 3 x EXPANDING WALL BOLTS 5 INSTALLATION MANUAL...

Page 6: ...ld do a measurement and correctly dtermine the correct input voltage this will determine the size of breaker required All our breaker recommendations are only that and should be checked against your r...

Page 7: ...XTERNAL THERMOSTAT SEE PAGE 30 7 CHECK ELECTRIC CONNECTIONS SEE PAGE 31 8 POWER ON THE BOILER SEE PAGE 32 9 SET BOILER PARAMETERS SEE PAGE 33 10 SET PUMP SPEED PURGE AIR SEE PAGE 34 POST INSTALLATION...

Page 8: ...ermal cut outs 5 Heating expansion vessel 6 Temperature sensor for heat flow 7 Temperature sensor for heat return 8 Automatic air vent access behind pump 9 Pump 10 Pressure gauge 11 Pressure sensor li...

Page 9: ...low 7 Temperature sensor for heat return 8 Automatic air vent access behind pump 9 Pump 10 Pressure gauge 11 Pressure sensor linked to gauge 12 Pressure expansion relief valve 13 Heating system replen...

Page 10: ...NITION The boiler is currently heating up either for heating or hot water RETURN TEMPERATURE The return temperature is too high RETURN TEMERATURE The return temperature has reached the temperature dif...

Page 11: ...d FROST PROTECT The boiler is too cold and is entering a defrost cycle in attempt to prevent damage to the boiler THERMOSTAT STATUS While lit solid there is an external thermostat fitted and there is...

Page 12: ...egral to any system and MUST be installed as part of this installation The ABV should be fitted to begin opening as the first valve radiator or actuator shuts in the system this stops excess pressure...

Page 13: ...150m2 DIAGRAMS PROVIDED AS GUIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE LOCK SHIELD VALVE T...

Page 14: ...LAYOUTS Electric Boilers DIAGRAMS PROVIDED AS GUIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE L...

Page 15: ...IDED AS GUIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE LOCK SHIELD VALVE THERMASTIC RAD VALVE...

Page 16: ...DIAGRAMS PROVIDED AS GUIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES PART L COMPLIANT LAYOUTS BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE...

Page 17: ...IDED AS GUIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE LOCK SHIELD VALVE THERMASTIC RAD VALVE...

Page 18: ...DIAGRAMS PROVIDED AS GUIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES PART L COMPLIANT LAYOUTS BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE...

Page 19: ...IDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE LOCK SHIELD VALVE THERMASTIC RAD VALVE ROOM STAT...

Page 20: ...GRAMS PROVIDED AS GUIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES PART L COMPLIANT LAYOUTS BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE LOCK...

Page 21: ...UIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE LOCK SHIELD VALVE THERMASTIC RAD VALVE ROOM STAT...

Page 22: ...MS PROVIDED AS GUIDANCE ONLY FINAL DESIGN SHOULD BE DECIDED UPON BY A QUALIFIED PLUMBER INLINE WITH CURRENT PART L GUIDELINES PART L COMPLIANT LAYOUTS BOILER 2 PORT 3 PORT ABV WHEEL HEAD VALVE LOCK SH...

Page 23: ...he possability that the boiler could be opened without first isolating the electrical supply then you must install it in a fashion that prevents access to the boiler such as a lockable cupboard In ter...

Page 24: ...g the boiler from the top three bolts before securing the boiler to the wall using standard fastenings at the bottom 4 Please make sure that the boiler is now firmly fixed in position and unable to mo...

Page 25: ...eases the chances of a leak that would not be covered by the warranty MAKING CONNECTIONS HEATING FLOW RETURN These connections are for connection to 22mm pipe Suitable diameter service valves should b...

Page 26: ...sed once the system is up to pressure and the air has been purged Alternatively this can be left closed and a traditional filling loop can be used for filling of the heating system and replacing any w...

Page 27: ...d until you have purged the air out of the system HEATING SYSTEM INITIAL FILL FLUSHING The system must be flushed to 10 of mains PPM chloride and otherwise or lower to ensure that the water system is...

Page 28: ...ur factory however after a long journey and installation it can sometimes by necessary to tighten connections when water escapes occur Please do not unnecessarily tighten connections or over tighten t...

Page 29: ...regional variences Rated Boiler Output 7kW 11kW 14 4kW 18kW 21kW 24kW Single Three Phase Single Single Single Three Three Three Rated Voltage 230VAC 230VAC 230VAC 400VAC 400VAC 400VAC Current A Rated...

Page 30: ...iring advice of competitor products and can only refer in those circumstances to the connections on our boiler BOILER WIRING Switch Live Live Out Neutral Out 1 2 3 8 13 15 9 10 11 12 14 1 Terminal Blo...

Page 31: ...ly apply pressure to make sure they are firmly seated Please check the following connections 1 The main power supply connections to the unit both installer and factory made 2 The spade connections lab...

Page 32: ...ion or where off is not possible the thermostat is set to the lowest possible termperature 3 Make sure that any power isolators inside the boiler are turned on the boiler casing is secured and the low...

Page 33: ...ow temperature set on the boiler the heat exchanger will turn off to allow heat to dissipate in the system It will only fire again when the temperature drops by the number degrees set in this setting...

Page 34: ...you should begin to purge all air from the system by bleeding all radiators and airvents in the system Once bled the system should run almost silently with very little noise coming from the boiler or...

Page 35: ...s by restricting the isolation valve fitting on the cold water of the inlet during installation Rated Boiler Output 7kW 11kW 14 4kW 18kW 21kW 24kW Recommended Flowrate LPM 4 6 8 10 12 13 With the hot...

Page 36: ...t warm 3 After approximately 15 minutes check the temperature differential between the flow and return is approximately 15 to 20o C if not please refer to setting the pump speed on page 34 4 Wait unti...

Page 37: ...AS AN ABV FITTED AT WHAT SETTING YES NO SETTING WHAT IS THE HEATING PRESSURE SET AT Bar WHAT IS THE INCOMMING MAINS PRESSURE Bar WHAT HAS THE BOILER FLOW TEMPERATURE BEEN SET AT o C WHAT HAS THE BOILE...

Page 38: ...AKER HAS BEEN FITTED FOR THE BOILER AMPS WHAT IS THE DRAW OF THE APPLIANCE FOR HEATING AMPS WHAT IS THE DRAW OF THE APPLIANCE FOR HOT WATER AMPS WHAT SIZE CABLE WAS INSTALLED TO THE APPLIANCE MM2 WHAT...

Page 39: ...Faulty temperature sensor for heating return Call Strom on 0333 344 24 74 E3 Heating system flow temperature overheating Check that there is sufficient system circulation If the boiler has been set f...

Page 40: ...oose connection from the control board to main PCB Check the wiring and reseat connection if loose Display board failure Call Strom on 0333 344 24 74 Control panel is not registering touch commands Di...

Page 41: ...ar pressure loss could be indicative of a leak within the system and should be investigated UNDER NO CIRCUMSTANCES SHOULD THE BOILER BE SWITCHED ON WHEN THE SYSTEM IS DRY The boiler contains an instal...

Page 42: ...h Strom directly agreements via third parties will not be accepted Exclusions 1 This policy only applies where i The product is installed and used strictly in accordance with the Terms and Conditions...

Page 43: ...paragraph 5 hereof the Buyer shall be permitted to sell the goods to third parties in the normal course of business In this respect the Buyer shall act in the capacity of the Companies commission age...

Page 44: ...INSTALLATION GUIDE www stromltd com STROM LIMITED 2020 THE FUTURE OF HEATING IT S ALL IN THE DETAILS...

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