Daikin RZQG140L7Y1L [5/16] To connect the refrigerant piping to the outdoor unit
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Daikin RZQG140L7Y1L [5/16] To connect the refrigerant piping to the outdoor unit

Daikin RZQG140L7Y1L [5/16] To connect the refrigerant piping to the outdoor unit
4 Installation
Installation manual
5
RZQG71L9V1L + RZQG71~125L8Y1L + RZQG140L7Y1L
Split system air conditioners
4P473073-1A – 2019.04
Snow
In regions with snowfall, snow might build up and freeze between the
heat exchanger and the external plate. This might decrease the
operating efficiency. To prevent this:
1 Remove the knockout hole (a) by tapping on the attachment
points with a flat head screwdriver and a hammer.
a
2 Remove the burrs, and paint the edges and areas around the
edges using repair paint to prevent rusting.
4.1.4 To prevent the outdoor unit from falling
over
In case the unit is installed in places where strong wind can tilt the
unit, take following measure:
1 Prepare 2 cables as indicated in the following illustration (field
supply).
2 Place the 2 cables over the outdoor unit.
3 Insert a rubber sheet between the cables and the outdoor unit
to prevent the cables from scratching the paint (field supply).
4 Attach the ends of the cables and tighten them.
4.2 Connecting the refrigerant piping
DANGER: RISK OF BURNING
4.2.1 To connect the refrigerant piping to the
outdoor unit
1 Do the following:
▪ Remove the service cover (a) with screw (b).
▪ Remove the piping intake plate (c) with screw (d).
c
a
b
d
2 Choose a piping route (a, b, c or d).
a
b
c
d
INFORMATION
b b bb
a
a
▪ Remove the knockout hole (a) in the bottom plate or
cover plate by tapping on the attachment points with a
flat head screwdriver and a hammer.
▪ Optionally, cut out the slits (b) with a metal saw.
NOTICE
Precautions when making knockout holes:
▪ Avoid damaging the casing and underlying piping.
▪ After making the knockout holes, we recommend to
remove the burrs and paint the edges and areas
around the edges using repair paint to prevent rusting.
▪ When passing electrical wiring through the knockout
holes, wrap the wiring with protective tape to prevent
damage.
3 Do the following:
▪ Connect the liquid pipe (a) to the liquid stop valve.
▪ Connect the gas pipe (b) to the gas stop valve.
a
b
4 Do the following:
▪ Insulate the liquid piping (a) and the gas piping (b).
▪ Wind heat insulation around the curves, and then cover it
with vinyl tape (c).
▪ Make sure the field piping does not touch any compressor
components (d).
▪ Seal the insulation ends (sealant etc.) (e).
d
e
f
b
a
c

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