User Guide

Part number 550-100-325/0718
60
AquaBalance
®
SERIES 2 WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
26 Controls and operation (continued)
Figure 80 Initial power up mode
Initial power up mode
Ensure the power is on to the boiler
During the first 5 seconds, the display shows the software version of the control module.
For the first 300 seconds, the display shows FH that identifies the Air purge function.
When the FH disappears, the boiler is ready to function automatically whenever the external controls are calling for heat.
Figure 81 Power down mode
Power down mode
Press the on/off button (Item 7 - Figure 76, page 58) for 5 seconds.
To totally isolate, close the gas cock before the
boiler and disconnect electricity supply.
When the boiler is turned off with “eco”/power button, the control
module is still powered, heating operation is disabled and the display
is off, however the frost protection will still be active.
To turn boiler on again, press the on/off button
(Item 7 - Figure 76, page 58) hold for 5 seconds
The boiler is ready to function automatically whenever the external controls are calling for heat.
Air purge
Software version
On/Off button