Nibe FIGHTER 1120 - Page 31

Immersion heater connection for XHW
Docking
29
FIGHTER 1120
Option 3 - FIGHTER 1120 docked to an oil-fired boiler
(floating condensing)
Connection of shunt valve*
-X6:20 closes the shunt valve.
-X6:21 opens the shunt valve.
-X6:22 zero conductor.
* Accessories. The figures show how the connection
should appear when completed. For full information
about the connections see respective “Installation
instructions”
X4
-X6
Boiler sensor (PG)
Elpatron för XVV
Connection VST 11*
Sensor connection
Connection of oil boiler via an external
auxiliary relay
X4
X1
-X6
Connection of the outside temperature
sensor
Outside temperature
sensor (UG)
Hot water, jacket (VVG)
Return sensor 1 (RG)
Flow line sensor 1 (FG)
Oil burner
Immersion heater for XXV
Shuttle valve
Shunt valve