Crankcase Heater; Checking Procedures - Daikin Altherma EBLQ011CAV3 Service Manual

2 Components
a
c
a 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
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
c
a 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.
Service manual
52
b
a
c
"2.8.2 Repair procedures" on
b
a
c
b a
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
procedures" on page 93.
Is the problem solved?
Yes
No
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
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?
Yes
No
EBLQ+EDLQ011~016CAV3+W1 + EBLQ+EDLQ011~016CA3V3+W1
+ EK(2)CB07CAV3 + EKMBUHCA3V3+9W1
b
"3.2.2 Repair
Action
No further actions required.
Return to the troubleshooting of
the specific error and continue
with the next procedure.
"2.19 Plate
Action
Return to the troubleshooting of
the specific error and continue
with the next procedure.
Replace the crankcase heater,
see "2.9.2 Repair procedures" on
page 53.
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02