Worcester GREENSTAR 35CDi Classic System ErP 41-406-39 Installation And Servicing Instructions Download

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Supplied By www.heating spares.co Tel. 0161 620 6677

11.10.5. Refit the fan in the appropriate position ensuring that
the flue duct enters the fan outlet by 20mm before tightening the
clamp as shown in Fig 36.

Note:

Remove the flue hood clamp

wing-nut when a side flue arrangement is used. Replace and
tighten the wing nut after re-fitting the fan.
11.10.6. Re-connect the tubes and electrical connections to the
fan and venturi ensuring that they are correctly positioned and
to the flue sample tube. Refer to Fig 22 and 23.
11.10.7. Make good the external brickwork or rendering and the
flue sample tube. The inside edge of the rolled channel on the
terminal assembly will be 10mm from the face of the wall. Make
good the internal wall as necessary.
11.11.

Completion of the installation

11.11.1. Remove the automatic air vent cap.
11.11.2. Replace the inner casing cover. Refer to Fig 21.
11.11.3. Check that all the gas and water connections on the
manifold have been tightened.
11.11.4. Fit the facia mounted clock or programmer. Refer to the
instructions sent with the control. Refer to Fig 16.
11.11.5. Remove the facia bottom panel. Connect the mains
supply to the appliance. The lead must be secured with the cable
clamp provided. Check that there is sufficient loose lead to allow
the release of the control box and that the earth lead of the
mains supply is longer than the live and neutral leads. Refer to
Fig 9, 10 and 11.
11.11.6. Test for gas soundness as described in BS6891.
11.11.7. If the appliance is not to be commissioned immediately,
replace the cabinet front and facia bottom panels. Check that the
gas, electricity and water connections are turned off.
Refer to Fig 26.

Benchmark Water Treatment: For optimum performance after
installation, this boiler and its associated central heating
system should be flushed in accordance with the guidelines
given in BS7593:1992 - Treatment of water in domestic hot
water systems. Full instructions are supplied with proprietary
cleansers sold for this purpose. If an inhibitor is to be used
after flushing, it should be used in accordance with the
inhibitor manufacturers instructions.
Suitable flushing agents and inhibitors are available from Betz
Dearborn Tel: 0151 4209563 and Fernox Tel: 01799 550811.
Instructions for use are supplied with these products.

12.1. Domestic hot water circuit: Confirm that the mains water
supply has been flushed out at installation. If not it will be
necessary to disconnect the cold water inlet pipe from the
appliance and thoroughly flush.
12.2. Central heating system: Confirm that the system has been
fully flushed out at installation using a flushing agent. Flush the
system before starting to commission the appliance and, at the
end of the commissioning procedure, add a suitable flushing
agent and drain whilst hot. Immediately refill and re-pressurise.
12.3. Check that the gas service and electricity supply at the
appliance are off.
Check that the mains control knob or programmer is set to off.
Refer to Fig 37.
Check that all the water connections throughout the system are tight.
12.4. Open the central heating system valves on the manifold.
Open all the radiator valves and fill the system. The automatic air
vent will vent the appliance. Remove the inner casing cover to
check that the air vent cap has been removed. Replace the cover
immediately. Vent each radiator in turn to remove air from the
system. Refer to Fig 4, 21, 36.
12.5. Check that the pressure relief valve operates by turning the
knob anti-clockwise until it releases water from the discharge
pipe. Refer to Fig 27.