Bosch EHP 6-11 LW User And Installation Manual page 60

Connecting the heat pump to the heating system
7. When the system is full and air no longer comes from the return pipe
run the system for at least a further 30 minutes. You can also start
the heat transfer fl uid pump to speed up the air venting. Enter manual
operation under menu 5.3 and start the pump G3 (P3). See Commis-
sioning the heat pump/Testing the heat pump manually.
8. When venting is complete open valve 3, shut valve 2, and shortly after
shut also valve 1. Disconnect the hoses and the heat transfer fl uid side
is ready for operation.
Safety valve
3
2
Particle
fi lter
Expansion tank
Manual venting valve
1
It is an advantage if an overpressure
is created in the heat transfer fl uid
circuit. An underpressure damages the
expansion tank and the collector hose.
60
Note