Legend
A. Blank
B.
C.
D. Mode Control
1
Operation
Winter conditions - i.e. CH and DHW required.
Ensure the mode knob control (D) is set to winter ( )
Summer conditions - i.e. DHW only required.
Note. The pump will operate briey as a self-check once every 24
hours, regardless of system demand.
Domestic Hot Water
o
C maximum at low draw-off rate, adjustable via the DHW
at the draw off tap : the lower the rate the higher the temperature,
Central Heating
o
Further savings can be achieved by setting CH termostat below
increase room temperature and anti-clockwise to decrease room
the knob in this position and the system will automatically achieve
Frost Protection
If no system frost protection is provided and frost is likely during
If the system includes a frost thermostat then, during cold
weather, the boiler should be turned OFF at the time switch (if
Flame Failure