Water Pump; Checking Procedures - Daikin altherma 3 M Service Manual

3 | Components

3.24 Water pump

3.24.1 Checking procedures

To perform a mechanical check of the water pump
Service manual
276
A
a b
A Unit with backup heater
B Unit without backup heater
a Water pressure sensor harness
b Water pressure sensor
3 Connect the water pressure sensor connector to the water pressure sensor.
INFORMATION
Replace all cable ties that were cut during removal.
4 Open the valve (if equipped) of the water circuit towards the expansion vessel.
CAUTION
Make sure to open the valve (if equipped) towards the expansion vessel, otherwise
the overpressure will be generated.
5 Open the stop valves and add water to the water circuit if needed, see
"4.3.2 Repair procedures" [
6 Purge the water circuit, see
Is the problem solved?
Yes
No
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
B
a b
4
302].
"4.3.2 Repair procedure" [
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"3.17 Plate
4
302].
4
work" [ 230].
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03