Summary of Contents for Bosch Worcester 7 716 192 566
INSTALLATION INSTRUCTIONS WALL HUNG RSF GAS FIRED CONDENSING BOILER GREENSTAR i SYSTEM OPTIONAL INTEGRAL DIVERTER VALVE FOR SEALED CENTRAL HEATING SYSTEMS AND INDIRECTLY MAINS FED DOMESTIC HOT WATER Read these instruction in conjunction with the i System Installation, Commissioning and Servicing instruction manual Diverter valve kit numbers 12kW 7 716 192 566...
CONTENTS ADDITIONAL SYMBOLS CONTENTS Symbol Meaning ▶ a step in an action sequence Key to symbols and safety precautions ....2 a reference to a related part in the document or to other Explanation of symbols .
PLUMBING MANIFOLD 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. NOTICE: Fitting the service valve ▶...
BOILER CONNECTIONS BOILER CONNECTIONS 2. Remove the brass bung assembly from the hydraulic block by NOTICE: CYLINDER RETURN PIPE removing the screw and sliding it free from the flange on the clamping ▶ The following must be completed before the boiler is plate.
BOILER CONNECTIONS GAS AND WATER CONNECTIONS NOTICE: Protective caps/strips ▶ Caps or plastic strip fitted to pipes must be removed CAUTION: MAINS SUPPLIES: before hanging the boiler. ▶ ISOLATE THE MAINS GAS SUPPLY BEFORE STARTING ANY WORK AND OBSERVE ALL RELEVANT SAFETY PRECAUTIONS.
FITTING THE DIVERTER VALVE MOTOR AND CODE PLUG To connect the expansion vessel flexible pipe to the hydraulic manifold FITTING THE DIVERTER VALVE MOTOR situated to the left of the pump: AND CODE PLUG ▶ Remove and discard the plastic cap from the expansion vessel flexible pipe.
DHW MONITORING AND CONTROL ▶ Identify ST18, the code plug and connector. DHW MONITORING AND CONTROL ST19 Cylinder sensors can only be utilised on boilers with ST10 DHW temperature control. The diverter valve kit is supplied with a cylinder temperature sensor, which is the better option when using Worcester's FX range of controls with the boiler, refer to sections 5.1 and 5.2.
ELECTRICAL DIVERTER VALVE AND SENSOR CONNECTIONS ELECTRICAL NOTICE: Cable routing: NOTICE: General information ▶ Do not route low voltage cables alongside mains ▶ Mains supply to the boiler must be through a fused voltage cables. double pole isolator situated adjacent to the This can cause interference on the low voltage cables.
ELECTRICAL INTERNAL DIVERTER VALVE WITH A VENTED INTERNAL DIVERTER VALVE WITH AN UNVENTED CYLINDER AND DHW CYLINDER THERMOSTAT CYLINDER AND DHW CYLINDER THERMOSTAT ONLY ACCESS TO ELECTRICAL CONNECTIONS: HOT WATER CHANNEL Remove boiler casing to access control panel. ▶ The wiring of the unvented cylinder dual thermostat must be electrically separate.
ELECTRICAL OPTIONAL EXTERNAL FROST STAT CONNECTION ST6 Frost Thermostat NP LP 6720643895-43.1Wo Fig. 21 Frost Thermostat ▶ Connect frost thermostat cables to terminals F & F ▶ These are not polarity sensitive. CONNECTOR LOCATIONS Fuse F1 2.5A Frost thermostat connection Optional cylinder stat ST10 Mains in &...
PRE-COMMISSIONING CHECKS PRE-COMMISSIONING CHECKS BOILER FUNCTION FAULT FINDING NOTICE: If the boiler is not to be commissioned immediately then: If in the unlikely event the boiler does not give complete satisfaction, ▶ after successfully completing all of the checks and any before calling for a service engineer, the installer should check the rectification work, close the gas and water valves, following:...
BOILER FUNCTION PROTECTION FUNCTION AUTOMATIC INTERNAL FROST FUNCTION Internal boiler Pump switches off Internal boiler temperature Pump runs temperature after a 3 minute between rises above 9°C overrun period 8°C & 5°C Boiler automatic frost function (monitors internal boiler primary temperature) Internal boiler Central heating Internal boiler...
NOTES i System Diverter Valve kit 6 720 645 222 (2012/09)
LITERATURE: 0844 892 9800 TRAINING: 01905 752526 SALES: 01905 752640 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 6 720 645 222 (2012/09)