Daikin Altherma 3 H HT ECH2O Service Manual page 384

5 | Third party components
To open the stop valves of the water circuit
To open the air purge valves of the water circuit
To install the field installed air purge valves on the highest points of the water circuit
Service manual
384
1 The stop valves are located outside the unit. Open the valves by placing them
in line with the piping.
Is the problem solved?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Place the air purge valves, installed inside the unit, in the open position by
turning the valves clockwise.
a Air purge valve
b Air purge valve
c Air purge valve (ONLY when optional backup heater installed)
2 Place all field installed air purge valves in the open position.
3 Purge the water circuit, see
Is the problem solved?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Install field installed air purge valves on all highest points of the installation
outside the unit.
2 Purge the water circuit, see
Is the problem solved?
Yes
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"4.19 Plate
a
b
"5.3.2 Repair procedures" [
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"5.3.2 Repair procedures" [
Action
No further actions required.
4
work" [ 287].
4
381].
4
381].
EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
ESIE22-11A – 2023.06