Uk/ie installation instructions wall hung rsf gas fired condensing boiler greenstar i system optional integral diverter valve 6720645222-00.2w o for central heating systems and indirect fed domestic hot water 6 720 645 222a ( 2012 /05) diverter valve kits contain: 1 copper return pipe 1 brass servic...
Contents 6 720 645 222a (2012/05) 2 contents 1 key to symbol and safety precautions . 3 1.1 explanation of symbols . . . . . . . . . . . . . . . 3 1.2 safety precautions . . . . . . . . . . . . . . . . . . 4 2 plumbing manifold . . . . . . . . . . . . . . . . . . . . 6 3 boiler connections . . . . ....
Key to symbols and safety precautions 6 720 645 222a (2012/05) 3 1 key to symbols and safety precautions 1.1 explanation of symbols warning symbols signal words indicate the seriousness of the hazard in terms of the consequences of not following the safety instructions. • notice indicates possible d...
Key to symbols and safety precautions 6 720 645 222a (2012/05) 4 1.2 safety precautions if you smell gas: b call national gas emergency service on 0800 111 999 b lpg boilers call the supplier‘s number on the side of the lpg tank b turn off the ecv (emergency control valve) at the meter b do not turn...
Key to symbols and safety precautions 6 720 645 222a (2012/05) 5 british standards: where no specific instruction is given, reference should be made to the relevant british standard codes of practice. Bs7074:1 code of practice for domestic and hot water supply bs6891 installation of low pressure gas...
Plumbing manifold 6 720 645 222a (2012/05) 6 2 plumbing manifold connections: • heating system: 22mm compression fittings • gas: 22mm compression fitting • cylinder return 15mm compression fitting • use the fittings supplied in the hardware literature pack and the optional diverter valve kit. If the...
Boiler connections 6 720 645 222a (2012/05) 7 3 boiler connections 3.1 assembly of the internal cylinder return pipe to the boiler use the packaging as protection, turn the boiler on its left hand side to enable fitting of the hot water return pipe. B move the control panel into the service position...
Boiler connections 6 720 645 222a (2012/05) 8 3.2 gas and water connections b remove template and secure the wall mounting frame to the wall with the fittings supplied. B system pipes may be run vertically upwards behind the boiler or below it. See plumbing manifold section on page 6. 1. Ch and cyli...
Boiler connections 6 720 645 222a (2012/05) 9 1. Push the lever on the pressure relief connector up until the stop on the inside of the handle is over the shoulder of the metal bracket to secure in place. Fig. 7 prv in the up position b remove the screw from the control panel retaining bracket and l...
Fitting the diverter valve and code plug 6 720 645 222a (2012/05) 10 4 fitting the diverter valve and code plug 4.1 fitting the diverter valve motor: 1. Remove the diverter blanking plate by pulling it forwards to free it from its location. Fig. 10 removing diverter valve blanking plate 1. To fit th...
Fitting the diverter valve and code plug 6 720 645 222a (2012/05) 11 4.3 fitting the code plug 1. Refer to figure 14. Remove the code plug from the controller, cut the tie securing the plug to the boiler chassis and discard the plug and tie. 2. Fit the code plug from the kit making sure that code pl...
Electrical 6 720 645 222a (2012/05) 12 5 electrical 5.1 internal diverter valve with a vented cylinder access to electrical connections: remove boiler casing to access control panel. 1. Unscrew the single screw and lower the control box into the horizontal position. 2. Unscrew the three screws in th...
Electrical 6 720 645 222a (2012/05) 13 5.2 internal diverter valve with an unvented cylinder optional external frost stat connection st6 fig. 18 frost thermostat b connect frost thermostat cables to terminals f s & f r . B these are not polarity sensitive. Connector locations fig. 19 electrical conn...
Electrical 6 720 645 222a (2012/05) 14 5.3 position of wired components fig. 20 wired components fan fs fr np lp l n s n l s l r st8 st9 st17 st18 st5 st4 st10 earth mains supply pump supply spark transformer diverter valve st1 diagnostic interface code plug fuse f1, slow 2.5 a, ac 230 v fuse f3, sl...
Pre-commissioning checks 6 720 645 222a (2012/05) 15 6 pre-commissioning checks 1. Check that the service and water pipes are connected to the correct position on the manifold. – a - flow (22mm) – b - ch return (22mm) – c - gas inlet (22mm) – d - cylinder return (15mm) 2. Check the gas type specifie...
Boiler function 6 720 645 222a (2012/05) 16 7 boiler function 7.1 fault finding if in the unlikely event the boiler does not give complete satisfaction, before calling for a service engineer, the installer should check the following:- for boilers with integral diverter valve and controls no central ...
Boiler function 6 720 645 222a (2012/05) 17 7.2 boiler function fig. 21 boiler function no ye s mai n s po we r s u ppl y on boiler de man d f an to start speed. P u mp o n . Ig n iti o n se qu e n ce (see detail) bl ue li g h t on burner l it? Green fl a m e li g h t on stop spark and gas. Wa it 10...
Boiler function 6 720 645 222a (2012/05) 18 7.3 protection function fig. 22 protection function internal boiler temperature between 8°c & 5°c boiler automatic frost function (monitors internal boiler primary temperature) internal boiler temperature below 5°c internal boiler temperature rises above 9...
Boiler function 6 720 645 222a (2012/05) 19 notes.
Worcester, bosch group cotswold way, warndon, worcester wr4 9sw. Tel. 0844 892 9900 worcester, bosch group is a brand name of bosch thermotechnology ltd. Worcester-bosch.Co.Uk 6 720 645 222a (2012/05) worcester, bosch group: technical support: 0844 892 3366 appointments: 0844 892 3000 spares: 01905 ...
