Thermaflow 210U Instructions For Use Installation And Servicing Download Page 1

ELECTRIC COMBINATION BOILER 

   (Patent Pending. Design Right Protected.) 

 

TH12/210U, TH12/250U & TH12/330U

 

TH9/210U, TH9/250U & TH9/330U 

 

(INCLUDES SOLAR APPENDIX) 

 

This product is suitable for connection to ~230-240V, 50Hz 

 

INSTRUCTIONS FOR USE, INSTALLATION AND 

SERVICING 

TO BE LEFT WITH THE USER 

 

The instructions consist of three parts; 

User

Installation

 and 

Servicing

 instructions, which include the guarantee registration 

card.  
 
The instructions are an integral part of the appliance and must, to comply with the current issue of the building, electrical 
regulations and water by-laws, be handed to the user on completion of the installation. 
 

GUARANTEE REGISTRATION 

Thank you for installing a new Thermal Innovations product in your home. 
 
Thermal innovations appliances, are manufactured to the very highest standards so we are pleased to offer our customers, a 
comprehensive first year guarantee and a second year parts guarantee. 
 
In the instruction envelope is to be found your guarantee registration card, which must be completed and returned to Thermal 
Innovations (UK) Ltd or register your Thermal Innovations (UK) Ltd appliance for 1st year guarantee protection by calling the 
below number. 
 
Our guarantee gives you peace of mind valuable protection against breakdown by covering the cost of- 

• 

All replacement parts 

• 

All labour charges 

• 

All call-out charges 

 
 
 

THERMAL INNOVATIONS (UK) LTD 

31-39 Napier Court, Cumbernauld, Glasgow, G68 0LG 
 

Customer services 
Tel  

+44 (0) 870 850 5207 

Fax 

+44 (0) 870 850 5208 

Web www.thermaflowheating.co.uk 

 

Issue Number: 2.2   Issue date: April 2008 

 

Copyright Notice 

This document contains proprietary information protected by copyright, and this Manual and documentation are copyrighted. All rights are reserved. No part of this 
document may be photocopied or reproduced by mechanical, electronic, or other means in any form without permission from Thermal Innovations (UK) Ltd. 

©

 Copyright Thermal Innovations (UK) Ltd 2006 -All rights reserved. 

Summary of Contents for 210U

Page 1: ...r guarantee and a second year parts guarantee In the instruction envelope is to be found your guarantee registration card which must be completed and returned to Thermal Innovations UK Ltd or register...

Page 2: ...Boiler Position 12 2 2 2 Boilers in a compartment 13 2 2 3 Clearances 14 2 3 1 General notes 14 2 3 2 Safety valve 14 2 3 3 Pressure Gauge 14 2 3 4 Pump 14 2 3 5 Expansion vessel 14 2 3 6 By pass 14 2...

Page 3: ...hecking correct operation of electrical components 29 Low pressure switch 29 control and high limit thermostats 29 Checking the elements 30 Checking circuit breakers 30 Checking the contactor 30 Check...

Page 4: ...in length and are manufactured of incaloy EN60335 2 73 The rated power input of the appliance is 230 240V 50Hz 8 250 9 000w The TH12 210U TH12 250U and TH12 330U all have 4 heating elements fitted Siz...

Page 5: ...0 4 TESTING CERTIFICATION The boiler is tested and certified for safety and performance It is therefore important that no alteration is made to the boiler without permission in writing from Thermal In...

Page 6: ...hen installing the Thermaflow they are as follows 1 Flow and return connections to the heating system are 22mm compression 2 Cold water inlet 22mm compression 3 Hot water outlet 22mm compression 4 Pre...

Page 7: ...oC The combination boiler is able to provide room heating as part of an underfloor or central heating system and domestic hot water direct from the cold water supply without the need for secondary sto...

Page 8: ...to do so Note if the pressure gauge indicates a loss of pressure that is less than 60 KPA 0 6 Bar YOU MUST CONTACT YOUR INSTALLER Unless you have been instructed by your installer on how to re pressur...

Page 9: ...ump HW circuit 8 Heating Elements 9 Aqua Thermostat 10 10 1 Enclosure for incoming live supply central heating pump Aqua stat 10 2 Enclosure for flow switch relay pump for domestic HW circuit 11 Heat...

Page 10: ...15mm Compression Water Content Primary 210 Litres 250 Litres 330 Litres Water Content Domestic 6 Litres 1 32 Gallons Primary Expansion Vessel 25 Litres 5 5 Gallons 35Litres 7 7 Gallons Htg Cold Fill P...

Page 11: ...he front case of the boiler 2 1 4 ELECTRICAL SUPPLY Power supply and wiring The power supply to the premises must meet the minimum requirements of the unit being installed with special attention given...

Page 12: ...tor should be readily accessible and adjacent to the appliance It should be identified as to its use Means of disconnection should be readily accessible and adjacent to the appliance It should be iden...

Page 13: ...clearances are maintained Details of essential requirements for cupboards or compartment design are given in the current issue of BS6798 The doorway opening should be of sufficient size to allow for...

Page 14: ...25 litres and the TH9 330U TH12 330U is supplied with a 35 litre expansion vessel If the system water content exceeds the maximum quoted in table 1 Data an additional vessel should be connected into...

Page 15: ...e incoming cold water supply 2 4 4 Hard water areas In areas where the water is Hard more than 200 mg Litre it is recommended that a proprietary scale reducer is fitted in the cold water supply to the...

Page 16: ...ust be extended using not less than 15mm O D metal pipe to discharge in a visible position outside the building facing downwards preferably over a drain The pipe must have a continuous fall and be rou...

Page 17: ...p double pole isolator by way of flexible 16mm cable into the main terminals in enclosure marked No 3 on the boiler schematic diagram 1 8 1 see diagram 2 6 1 below Diagram 2 6 1 17 L N E Supply 25mm2...

Page 18: ...IC COMBINATION BOILER Tel 0870 850 5207 2 6 2 The mains supply into the enclosure marked No 21 on the boiler diagram should be wired to the 24HR supply via 3 Amp fused isolating switch located at the...

Page 19: ...ould be connected to the terminals marked R1 R2 shown in diagram 2 6 2b All external controls should be connected to terminals marked R1 R2 in the enclosure marked No 22 in the boiler schematic diagra...

Page 20: ...n and yellow Earth Make the earth cable of a greater length so that if the cable becomes strained the earth would be the last to become disconnected CAUTION IT IS ESSENTIAL TO MAKE SURE THAT THE POLAR...

Page 21: ...Test the polarity of the mains 4 Refit the enclosure cover Electricity tariffs The Thermaflow will operate on any 230 240V 50Hz supply The most economical option is a peak avoidance tariff as describe...

Page 22: ...inlet to the boiler 2 7 4 Temperature settings The maximum temperature setting for the domestic hot water is 60oC but is user adjustable by altering the setting on the hot water mixing valve on the bo...

Page 23: ...n of any heating system controls Advise the user on the use and maintenance of any scale reducer and pass on any relevant instructional documents Advise the user that to ensure continued efficient and...

Page 24: ...ITS MUST BE DISCONNECTED IMPORTANT ON COMPLETION OF THE FAULT FINDING TASK WHICH HAS REQUIRED THE BREAKING OR REMAKING OF THE ELECTRICAL CONNECTIONS THE CONTINUITY POLARITY SHORT CIRCUIT AND RESISTANC...

Page 25: ...ect operation Yes Is there 230 240V at the off peak supply No Check Fuse or MCB Yes Is system pressure above 60 KPA 0 6 Bar No Increase Pressure Yes Is there continuity through master high limit stat...

Page 26: ...ats within No Yes Replace or re set as necessary Are external controls calling for heat No Yes Adjust the setting Is temperature above setting on aqua stat Should be set to 30o C No Yes Re check when...

Page 27: ...close hot water tap repeatedly If fault not resolved replace flow Switch Is there 230 240V across terminals A1 A2 on relay No Yes Open and close hot water tap repeatedly If fault not resolved replace...

Page 28: ...ender from damage The pressure can be accurately checked with the pressure relieved on the other side of the diaphragm To do this isolate the water supply to the Thermaflow and open a hot tap Water wi...

Page 29: ...Y HAVE TO REMOVE THESE THERMOSTATS IF THE BOILER IS STILL HOLDING HOT WATER YOU CAN PLACE THE THERMOSTATS IN A BEAKER OF COLD WATER AND THEN CHECK FOR CONTINUITY ACROSS THE THERMOSTAT CONTROL THERMOST...

Page 30: ...boiler schematic diagram 1 8 1 This indicates that the contactor has disconnected the circuit to the MCB and in turn the four heating elements Turn the main isolator on and off a few times and listen...

Page 31: ...THERMAL INNOVATIONS UK LTD THERMAFLOW ELECTRIC COMBINATION BOILER Tel 0870 850 5207 APPENDIX I SOLAR CONNECTION A1 1 Solar Pipe work Schematic 31...

Page 32: ...THERMAL INNOVATIONS UK LTD THERMAFLOW ELECTRIC COMBINATION BOILER Tel 0870 850 5207 A1 2 Solar Wiring Schematic 32...

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