Installation & Servicing instructions ATAG iC-Range
52
12.8 Pump function
By default the boiler is set in such a manner that the pump will switch on in case of a heat request for CH or
DHW. Switching on and off is managed entirely by the control system.
Danger of frost
If there is danger of frost damage to the CH installation, it is advisable to let the pump run continuously, proceed as
follows:
1
From the controller Home screen, press
OK
.
2
Turn the selector wheel to highlight
Complete Menu
.
Press
OK
.
3
CH Settings
is highlighted.
Press
OK
.
4 Option
CH Setpoint Temp
is highlighted.
Press
OK
.
5
Turn the selector wheel to highlight
Pump continuous running
.
Press
OK
.
7
Turn the selector wheel to highlight
Enable
.
Press
OK
.
If the pump is set to continuously this is displayed by
.
Boiler frost protection
If the (T1) flow sensor registers a temperature of 5°C or below in the boiler, the boiler will fire up. The boiler
keeps on firing until the temperature reaches 10°C (measured on the flow sensor) and the boiler switches off
again.