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ii.)
changing temperature settings
The standard appliance is supplied with the central heating flow temperature,
central heating circuit temperature difference and the domestic hot water outlet
temperature settings factory set at the default values shown in Table 10.. However,
in the unlikely event it is required these can be changed within the pre-set limits
when the controller is in level-. The procedure for selecting level- is described
above.
When in Level – , the central heating flow temperature can be changed as
follows: -.
•
Cycle the display using buttons S or S3 until 'cF' is displayed on the two left
hand digits and the current temperature setting is displayed on the two right
hand digits e.g. as '60' .
•
To change the CH temperature, press and hold button S1 until the dot 'D4'
starts flashing. Select the temperature using buttons S or S3. Press and hold
button S1 to confirm selection. The controller will only allow the temperature
settings to be changed within the preset limits.
•
When the selected temperature setting is confirmed, the dot 'D4' will stop
flashing and will be on constantly. The controller will now use the new
temperature settings for controlling the central heating functions.
(iii.) When in Level – , the central heating temperature difference can be changed
by following procedure: -.
•
Cycle the display using buttons S or S3 until 'cd' is displayed on the two left
hand digits and the current temperature difference setting is displayed on
the two right hand digits e.g. as '30' .
•
To change the CH temperature difference, press and hold button S1 until the
dot 'D4' starts flashing. Select the temperature using buttons S or S3. Press
and hold button S1 to confirm selection. The controller will only allow the
temperature settings to be changed within the preset limits.
•
When the selected temperature setting is confirmed, the dot 'D4' will stop
flashing and will be on constantly. The controller will now use the new
temperature settings for controlling the central heating functions.
(iv.) When in Level – , the DHW flow temperature can be changed by following
procedure: -.
•
Cycle the display using buttons S or S3 until 'hF' is displayed on the two left
hand digits and the current temperature setting is displayed on the two right
hand digits e.g. as '60' .
•
To change the DHW temperature, press and hold button S1 until the dot 'D4'
starts flashing. Select the temperature using buttons S or S3. Press and hold
button S1 to confirm selection. The controller will only allow the temperature
settings to be changed within the preset limits.
•
When the selected temperature setting is confirmed, the dot 'D4' will stop
flashing and will be on constantly. The controller will now use the new
temperature settings for controlling domestic hot water temperature.
D1 D2 D3 D4
S2
S1
Set/Reset
D1 D2 D3 D4
S2
S1
Set/Reset
D1 D2 D3 D4
S2
S1
Set/Reset
Page 47
S3
S3
S3
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