gledhill GC2000/120/E-OV Design, Installation & Servicing Instructions page 16

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Figure 13 Panel for models 2000/120/E and 2000/130/E
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Figure 14 Panel for models 2000/120/E-OV and 2000/130/E-OV
TIMER OPERATION
Push pins
outwards
Set to for Continuous Operation
Set to for Timed Operation - then:-
Push pins outwards as shown to cover the required ''on''
period - clock timings shown on Outer Bezel.
Rotate the Outer Bezel in a clockwise direction to set the
correct time against the indicator arrow.
Supplied By www.heating spares.co Tel. 0161 620 6677
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CLOCK FACE
Figure 15
SYSTEM DESIGN
3.3 Heating System Controls
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Both the open vented and the sealed system
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models are fitted with the 'Switch' electric
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back-up system. This allows the user the
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choice of natural gas for normal operation and
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back-up electrical energy in an emergency.
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The control panel of sealed system models
2000/120/E and 2000/130/E is shown in figure
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13.
The control panel of open vented system
models 2000/120/E-OV and 2000/130/E-OV
is shown in figure 14.
A room thermostat and/or thermostatic
radiator valves may also be fitted to control
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the central heating requirements.
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If the appliance is sited in an unheated space
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(e.g.a garage,out house,ventilated roof space)
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then a frost thermostat must be fitted to
protect the appliance and the heating system.
The details are given in the electrical section
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Indicator
Continuous
Timed
Off
Page 16