Daikin RZQG140L7Y1L [9/16] Finishing the outdoor unit installation
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Daikin RZQG140L7Y1L [9/16] Finishing the outdoor unit installation

Daikin RZQG140L7Y1L [9/16] Finishing the outdoor unit installation
5 Commissioning
Installation manual
9
RZQG71L9V1L + RZQG71~125L8Y1L + RZQG140L7Y1L
Split system air conditioners
4P473073-1A – 2019.04
4 Choose a knockout hole and remove the knockout hole by
tapping on the attachment points with a flat head screwdriver
and a hammer.
5 Route the wiring through the frame and connect the wiring to
the frame at the knockout hole.
Routing through
the frame
Choose one of the 3 possibilities:
a
b
a
b
a
b
2
3
1
a Power supply cable
b Interconnection cable
Connecting to the
frame
When cables are routed from the unit, a
protection sleeve for the conduits (PG
insertions) can be inserted at the knockout
hole.
When you do not use a wire conduit,
protect the wires with vinyl tubes to
prevent the edge of the knockout hole from
cutting the wires.
a b c d e
A B
A Inside of the outdoor unit
B Outside of the outdoor unit
a Wire
b Bush
c Nut
d Frame
e Hose
6 Reattach the service cover.
7 Connect an earth leakage circuit breaker and fuse to the power
supply line.
4.6 Finishing the outdoor unit
installation
4.6.1 To finish the outdoor unit installation
1 Insulate and fix the refrigerant piping and interconnection cable
as follows:
f
b
a
e
d
c
a Gas pipe
b Gas pipe insulation
c Interconnection cable
d Liquid pipe
e Liquid pipe insulation
f Finishing tape
2 Install the service cover.
4.6.2 To check the insulation resistance of the
compressor
NOTICE
If, after installation, refrigerant accumulates in the
compressor, the insulation resistance over the poles can
drop, but if it is at least 1 MΩ, then the unit will not break
down.
▪ Use a 500V mega-tester when measuring insulation.
▪ Do not use a mega-tester for low-voltage circuits.
1 Measure the insulation resistance over the poles.
If Then
≥1MΩ Insulation resistance is OK. This procedure
is finished.
<1MΩ Insulation resistance is not OK. Go to the
next step.
2 Turn ON the power and leave it on for 6hours.
Result: The compressor will heat up and evaporate any
refrigerant in the compressor.
3 Measure the insulation resistance again.
5 Commissioning
NOTICE
NEVER operate the unit without thermistors and/or
pressure sensors/switches. Burning of the compressor
might result.
5.1 Checklist before commissioning
After the installation of the unit, first check the following items. Once
all below checks are fulfilled, the unit MUST be closed, ONLY then
can the unit be powered up.
You read the complete installation instructions, as
described in the installer reference guide.
The indoor units are properly mounted.
In case a wireless user interface is used: The indoor unit
decoration panel with infrared receiver is installed.
The outdoor unit is properly mounted.

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