Other Controls - Potterton 30e User Manual

THE BOILER THERMOSTAT
The boiler thermostat enables you to control the temperature of the water as it leaves the boiler and is also used for
turning the boiler on and off. The thermostat knob can be set to O (OFF}, 1, 2, 3, 4, 5 or Max. The graduations 1 to
Max. correspond approximately to a temperature range of 55°C to 82°C (130°F -180°F).
During the summer months, when the boiler is only being used to supply stored domestic hot water and there is no
independent hot water temperature control, the thermostat can be set to position 1 or 2 which will probably be hot
enough for bathing or washing up requirements. For washing clothes, a higher setting may be necessary,
In winter weather, when central heating is required, the thermostat knob can be turned up higher but it must be
remembered that unless the temperature of the water in the domestic hot water cylinder is independently con-
trolled, the stored hot water could be at a temperature that could scald, i.e. about 82°C (180ºF).

OTHER CONTROLS

A Potterton Electronic Programmer or other type of clock may have been fitted in your system, together with room
and/or cylinder thermostats. Full instructions on the use of these contro1s should be supplied with them.
TO LIGHT
1. Ensure that the boiler thermostat knob is at '0' (fully anti-clockwise) .
2. Switch 'ON' the main electricity supply.
3. Ensure the electronic programmer or other time contrql, if fitted, is in an 'ON' period (refer to time control
literature).
4. Ensure that any room and/or cylinder thermostats are at a high temperature setting.
Proceed as follows: -
Turn the boiler thermostat on and to the required setting. After a short period, the boiler will light: the main burner
can be seen through the sight glass on the front of the boiler. Set the time control and any thermostats, where fitted,
to their desired settings.
TO SHUT THE BOILER OFF
Turn the boiler thermostat knob to '0' , or switch the external programmer to the 'OFF' position. To relight the
boiler, simply turn the boiler thermostat 'ON' or switch the programmer to the 'ON' position.
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