OPERATION OF CON- TROLS
The appliance is fitted with a blanking panel or an electronic programmer on the facia panel for the control of domestic hot water and central heating.
OPERATING MODES
HOT WATER ONLY. The appliance will operate at any time there is a demand for hot water. Heating temperature control at OFF (fully
OFF. Both hot water and central heating will remain off when the heating and hot water temperature controls are at OFF (fully anti- clockwise).
HEATING AND HOT WATER. Hot water will be supplied when a demand is made. Heating and hot water temperature control at OFF (fully
Central heating will operate continuously in response to a
demand from a room thermostat or thermostatic radiator valves if fit- ted.
HEATING ONLY. Hot water temperature control at OFF (fully
ELECTRONIC PROGRAMMER
Your Installer may have mounted the optional electronic pro- grammer on the appliance facia panel. Operating instructions are sup- plied with the programmer.
TEMPERATURE CONTROLS
The Heating Temperature Control gives control over the temper- ature of water supplied to the radiators when the boiler is serving the central heating system. This control does not influence the tempera- ture of the Hot Water which is set by the Hot Water Temperature Control. The controls have a range as indicated in Fig. 2.
The operating temperatures may be set anywhere within the range. With a high central heating temperature setting the radiators will get hotter and high room temperatures will be achievable. Similarly the temperature of the hot water can be controlled. With lower settings the radiators and hot water will be cooler but in winter conditions the central heating and hot water may not reach their design temperatures.
The temperature controls will shut down the relevant operating mode when turned fully
The Heating Temperature Control is also used to reset any safety
WARNING: Do not attempt to adjust any sealed components on the appliance.
Any interference with sealed components may cause a danger- ous condition.
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