Daikin altherma 3 M Service Manual page 192

3 | Components
Service manual
192
CAUTION
ALWAYS apply new grease on the PCB heat sink. NOT doing so may cause the PCB to
fail due to insufficient cooling.
4 Carefully pull the refrigerant pipe forward and install the main PCB in the
correct location on the mounting plate.
5 Install and tighten the main PCB fixation screws to fix the PCB on the
mounting plate.
j
g
e
f
j
j
j
g
j
j b c d
a Compressor U, V and W Faston connectors
b L1C
c L2C
d L3C
e Bridge connector
f Connector
g Screw (ground wire)
h Bolt (heat sink cover)
i Heat sink cover
j PCB fixation screw
6 Correctly install the refrigerant pipe on the heat sink (proper contact with the
thermal interface grease on the heat sink of the switch box). Install the heat
sink cover.
7 Install the 2 bolts on the heat sink cover and tighten the bolts.
INFORMATION
Make sure that the refrigerant pipe is correctly installed on the main PCB heat sink.
Do NOT touch the part of the refrigerant pipe that is mounted in the heat sink.
8 Install and tighten the screws to fix the 2 ground wires to the PCB mounting
plate.
9 Connect all connectors to the main PCB.
10 Connect the bridge connector.
j j f
h
f j f j j
j
f
j
h
i
j
a
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03