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Grant Combi 90 User Instructions

Outdoor module mk ii
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SUPPLEMENT
Part No. DOC 25 Rev. 09 November 2004
SUPPLEMENTARY INSTALLATION
and
USER INSTRUCTIONS
COMBI 90 OUTDOOR MODULE Mk
II
For use with Kerosene or Gas Oil
TO BE READ IN CONJUNCTION WITH THE INSTRUCTION MANUAL SUPPLIED
WITH THE BOILER
This supplementary manual MUST be used for the
installation of the boiler, pipework, electrical wiring and
associated controls.
For information on servicing the boiler, including burner
fault finding, repair and servicing, please refer to the
Combi 70 and Combi 90 instruction manual supplied
with the appliance.
Please refer to the users instructions in this supplement.
After installing the boiler leave these instructions with the User
This appliance is deemed a controlled service and specific regional statutory
requirements may be applicable

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Summary of Contents for Grant Combi 90

  • Page 1 For information on servicing the boiler, including burner fault finding, repair and servicing, please refer to the Combi 70 and Combi 90 instruction manual supplied with the appliance. Please refer to the users instructions in this supplement. After installing the boiler leave these instructions with the User...

  • Page 2: Table Of Contents

    If the burner still fails to light after carrying out these To restart, simply set both switches to ON. checks then a fault exists. Switch off the electricity supply to the boiler and contact your Service engineer. Combi 90 Outdoor Module...

  • Page 3: Technical Information

    1 - USER INSTRUCTIONS Fig. A 2 - BOILER TECHNICAL INFORMATION Boiler dimensions Fig. 1 Combi 90 Outdoor Module...
  • Page 4 2.40 38.7 12.0 26.4 90 000 27.6 94 200 95.8 Combi 90 Outdoor Module using Class D gas oil - Conventional flue only Net eff. ** Head Oil press. Smoke Fuel flow Net flue gas Flue gas mass Heat Output...

  • Page 5: General Boiler Information

    Fig. 2 3 - GENERAL BOILER INFORMATION Boiler description The Grant Outdoor Combination boiler has been The temperature of the water leaving the boiler to heat designed for use with a sealed central heating system the radiators may be adjusted using the control and will provide domestic hot water at mains pressure.
  • Page 6 Note: If the water in the boiler is already up to Failure to install and commission appliances temperature, there will be a delay before the burner correctly may invalidate the boiler warranty. starts to maintain the water temperature in the boiler. Combi 90 Outdoor Module...
  • Page 7 125 ppm, an in-line scale inhibitor or hot water operation. water softener (both available from Grant UK) should be fitted in the cold water supply to the boiler. Consult Domestic hot water system the local Water Undertaking if in doubt.
  • Page 8 Module, as required. particularly during extended periods without 4 Adequate clearance must be left around the electrical power, Grant recommend the use of a Module for servicing. In particular, a minimum combined heating system anti-freeze and corrosion...

  • Page 9: Boiler Installation

    Pipework materials 3.10 Underfloor systems - Plastic pipe may be used on General - Grant boilers are compatible with both copper and plastic pipe. Where plastic pipe is used it underfloor systems where the plastic pipe is fitted after the thermostatic mixing valve. Copper tube must be must be of an oxygen barrier type.
  • Page 10 Where it is not practical to use the factory supplied wall to accept the heating system pipework. To mark low level flue, the Grant range of Outdoor Modules the wall for drilling, refer to Fig. 1 for the positions of may be fitted with a conventional flue system.
  • Page 11 4 - BOILER INSTALLATION Fig. 5 Combi 90 Outdoor Module...
  • Page 12 Fit the pressure gauge and shut- off valve to the central heating system. Fit the flexible filling hose between the two valves. Fig. 7 Combi 90 Outdoor Module...
  • Page 13 'ON'. Adjust any remote thermostats to check that Note: When connected in this way, a link must be the services operate correctly. added between terminals 2 and 3 - marked S/L2 and L3 to enable the burner to fire. Combi 90 Outdoor Module...

  • Page 14: Wiring Diagrams

    Note: If a single channel timer is used, a link must be fitted between terminals 2 and 3. If a room thermostat is fitted, it must be wired in series with the time control and the boiler terminal S/L 1. Combi 90 Outdoor Module...
  • Page 15 Grant programmable room thermostat A programmable room thermostat - Part No. RSKIT is available from Grant UK. The thermostat has a 5/2 day operation and enables six time and temperature changes each day. The thermostat incorporates frost protection and an On/Off facility.

  • Page 16: Commissioning

    For further information concerning 11 Having ensured that there are no oil leaks, replace inhibitors contact Grant Engineering (UK) Limited. the burner cover. Combi 90 Outdoor Module...

  • Page 17: Information For The User

    3 The importance of servicing the boiler to ensure Leave these instructions and the main instruction safe and efficient operation. This should normally manual with the User. only be required once a year. 4 The type of fuel used. Combi 90 Outdoor Module...
  • Page 18 Combi 90 Outdoor Module...
  • Page 19 Combi 90 Outdoor Module...
  • Page 20 All goods sold are subject to our official Conditions of Sale, a copy of which may be obtained on application. © Grant Engineering (UK) Limited 2004. No part of this manual may be reproduced by any means without prior written consent.