Hamworthy Purewell VariHeat 70c, Installation, Commissioning And Servicing Instructions

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HAMWORTHY HEATING LTD
30
PUREWELL Vari
Heat c
500001169/T
In the case of a lockout code, the error code display flashes
together with an ‘Alarm symbol’;
The LMU will go to lockout
Example: “E150”
Press the Info button
to switch to the error code
Press both line selection buttons
simultaneously
for 3 seconds. The internal error code will be displayed
Example “238”
Press the Info button
to switch to the Info display
Press
to return to the default display
Note:
After rectification of the fault, press the reset
button (>0.6 seconds) to reset the LMU.
Figure 8.2.4 - Display of lockout code
8.2.5 - Adjusting the heating circuit setpoint temperature
Press the flow temperature button to adjust the heating
circuit setpoint
Press
to adjust the required setpoint
Press
to return to the default value
Changes will be stored.
Figure 8.2.5 - Heating circuit setpoint temperature
The room temperature setpoint or boiler temperature setpoint will be changed depending on the plant’s
configuration ( with or without outside sensor).
If no button is pressed for about 8 minutes, the screen will automatically return to the default display. Changes
will be stored.
(1)
(2)
(1)
8.2.4 - Lockout Display