Daikin Altherma EBLQ011CA3V3 - Crankcase Heater; Checking Procedures

2 Components
Service manual
52
EBLQ+EDLQ011~016CAV3+W1 + EBLQ+EDLQ011~016CA3V3+W1
+ EK(2)CB07CAV3 + EKMBUHCA3V3+9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
a
a
a
b
c
c
c
a Nut
b Compressor
c Damper
6 Remove the 3 dampers and springs from the compressor.
INFORMATION
The compressor dampers may look different.
7 Remove the bushings and keep them for re-use.
8 Keep the putty for re-use.
9 To install the compressor, see "2.8.2 Repair procedures" on
page51.
To install the compressor
1 Check the state of the dampers. Replace if worn.
2 Install the 3 dampers and springs in the correct location on the
outdoor unit.
a
a
a
b
c
c
c
a Nut
b Compressor
c Damper
3 Remove the caps from the compression pipe and suction pipe.
CAUTION
The oil in the compressor is hygroscopic. Therefore
remove the caps from the compressor pipes as late as
possible.
4 Wrap a wet rag around the compressor pipes and solder the
compressor pipes to the refrigerant pipes.
ab
b
a Faston connectors
c Compressor pipe
CAUTION
Overheating the compressor pipes (and the oil inside the
compressor pipes) will damage or destroy the compressor.
5 Install the putty in the correct location.
6 Connect the Faston connectors to the compressor wire
terminals U, V and W
7 Install the cover of the compressor wire terminals.
a Compressor wire terminals cover
8 Add refrigerant to the refrigerant circuit, see "3.2.2 Repair
procedures"on page93.
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of
the specific error and continue
with the next procedure.
2.9 Crankcase heater
2.9.1 Checking procedures
To perform an electrical check of the crankcase
heater
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "2.19 Plate
work"on page77.
1 Measure the resistance on the crankcase heater connector: pin
1 – pin 2. The resistance MUST be 1746Ω.
Is the measured resistance
correct?
Action
Yes Return to the troubleshooting of
the specific error and continue
with the next procedure.
No Replace the crankcase heater,
see "2.9.2Repair procedures"on
page53.