Removing The Switchbox - Daikin RZQG71L9V1 Service Manual

ESIE15-13C

4. Removing the switchbox

Caution
 Removing electrical components
Removal
Caution
Do not touch the hatched area.
Always replace the grease after removing an electrical component.
Mounting
Caution
Do not touch the hatched area when mounting the refrigerant pipe.
 Service port
 Electrical work
Turn off the power before working on the electrical wiring.
Warning
Appendix
 Remove the cover screws before removing an electrical component.
Not doing so may damage the refrigerant pipe.
 Replace the grease on the heat sink with new grease.
Not doing so may cause the PCB to fail due to insufficient cooling.
Cover
Fixation
screw A
 Remove
fixation screw A
(2 screws)
Use the grease supplied as service part.
Application quantity: 1.3g per side
Upper-side
marking
(Pink)
Distribute
the grease
as evenly
as possible
 Remove the  Place the cover on the
grease and apply refrigerant pipe. The gap
new grease as between the marking and
indicated. the upper side of the
cover should be less than
25mm.
 When using the service port, do not let the electrical components come into contact with
refrigerant or oil.
 Install an earth leakage breaker resistant to high-frequency electrical noise.
(Since this product contains an inverter device, this is necessary in order to prevent a
malfunction of the breaker itself.)
 Make sure to establish an earth connection.
Refrigerant pipe
 Lift and pull  Pull the
the cover in the refrigerant pipe
direction of the forward
arrow
Tightening torque
1.59±0.2N.m
(Guideline
Rotate an extra 30° ~
40° after screwing with
a screwdriver until a
sudden increase of the
tightening torque
occurs.)

Removing the switchbox

Electrical components
mounting plate
Fixation
screw B
 Remove
fixation screw B
(4 screws)
Fixation
screw A
 Close and slide the cover
downwards to fix the 2 hooks.
Tighten fixation screw A so that
the cover presses to the pipe.
Hook
Hook
201