Opening The Gas Isolation Valve; Opening Service Valves; Switch On The Boiler; Check Water Pressure - Worcester GB162 Series User Instructions

Operating the appliance

3.2

Opening the gas isolation valve

▶ Push the gas isolation valve in and turn anti-clockwise until the valve
lines up with the gas line.
Fig. 2 Opening the gas isolation valve
3.3

Opening service valves

▶ Open both service valves so that the tap lines up with pipework.
Fig. 3 Opening service valves
3.4

Switch on the boiler

▶ Put the on/off switch to position "1" ( figure 5, [1]).
3.5

Check water pressure

For the boiler to work efficiently, the normal water pressure must be
between 1.0 and 2.0 bar.
▶ Ask the installer whether a higher pressure is necessary.
▶ Read off the water pressure on the display ( Chapter 4.1, page 7).
▶ Top up the heating system if necessary ( Chapter 6.1, page 8).
Fig. 4 Read off the water pressure
3.6

Setting the maximum boiler temperature

▶ Set the maximum boiler temperature required in the setup menu
( Chapter 4.2).
6
The heating and DHW operations can be switched on and off
independently of one another.
3.7

Heating controller settings

Some of the functions described in this document change when
connecting a heating controller, i.e. room thermostat or weather-
compensated controls. The controls exchange parameters with the
boiler.
▶ You should therefore carefully read the operating instructions for the
corresponding heating controls.
4 Operating the appliance
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1 2
Fig. 5 Control panel
[1] On/off switch
[2] Reset key
[3] Chimney sweep key
[4] Help key
[5] Display
[6] Menu key
[7] Down key
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[8] Up key
[9] Diagnostic plug
[10] Burner LED
The front of the boiler contains a control panel with the following
elements:
On/off switch
The boiler can be switched on or off via the on/off switch. The power
supply is not interrupted.
Reset c key
The boiler can be restarted via the c key in the event of blocking faults
( Chapter 7).
Chimney sweep d key
The boiler can be brought into operation via the d key in order to carry
out measurements. Used for servicing.
Info L key
The boiler status can be read out via the L key
Display
Display values, settings and codes can be read off the display. If the
boiler is switched on via the mains isolator, all symbols appear briefly in
the display.
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Status display
Display when the boiler is switched on (approx. 1 second)
3 4 5 10 6 7
Commercial Boiler Series – 6720814333 (2019/05)
8 9
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