To Prevent The Outdoor Unit From Falling Over; Connecting The Refrigerant Piping; To Connect The Refrigerant Piping To The Outdoor Unit - Daikin RZQG71L8Y1L Installation Manual

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 Drill (a, 4×) and remove the knockout hole (b).
4× Ø6 mm
b
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
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 cable from scratching the paint (field supply).
4 Attach the cable's ends. Tighten those ends.
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).
a
b
c
d
2 Choose a piping route (a, b, c or d).
d
a c
b
RZQG71L9V1L + RZQG71~125L8Y1L + RZQG140L7Y1L
Split system air conditioners
4P473073-1 – 2017.03
a b
3 If you have chosen the downwards piping route:
▪ Drill (a, 4×) and remove the knockout hole (b).
▪ Cut out the slits (c) with a metal saw.
a b
4× Ø6 mm
c c
4 Do the following:
▪ Connect the liquid pipe (a) to the liquid stop valve.
▪ Connect the gas pipe (b) to the gas stop valve.
b
a
5 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).
f
d
6 If the outdoor unit is installed above the indoor unit, cover the
stop valves (f, see above) with sealing material to prevent
condensed water on the stop valves from moving to the indoor
unit.
NOTICE
Any exposed piping might cause condensation.
7 Reattach the service cover and the piping intake plate.
8 Seal all gaps (example: a) to prevent snow and small animals
from entering the system.
a
4 Installation
e
a
b
c
Installation manual
5