Daikin RZAG140L7V1B [12/40] Installation
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Daikin RZAG140L7V1B [12/40] Installation

Daikin RZAG71L7V1B [12/40] Installation
6 Installation
Installer reference guide
12
RZAG71~140L7V1B
Split system air conditioners
4P418663-1 – 2016.02
▪ Install the unit on a base to make sure that there is a proper
drainage in order to avoid ice accumulation.
▪ Prepare a water drainage channel around the foundation to drain
waste water surrounding the unit.
▪ Avoid drain water flowing over the footpath, so that it does not
become slippery in case of ambient freezing temperatures.
▪ If you install the unit on a frame, install a waterproof plate within
150 mm of the bottom side of the unit in order to prevent the
invasion of water in the unit and to avoid the drain water dripping
(see the following illustration).
INFORMATION
If necessary, you can use a drain plug kit (field supply) to
prevent drain water from dripping.
NOTICE
If drain holes of the outdoor unit are covered by a mounting
base or by floor surface, raise the unit to provide a free
space of more than 150mm under the outdoor unit.
≥150 mm
Drain holes (dimensions in mm)
A
B
B
C
D
E
160 160620
36
61
262
416
595
285
279
260
161
(345~355)
A Discharge side
B Distance between anchor points
C Bottom frame
D Drain holes
E Knockout hole for snow
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).
b

a b
4× Ø6 mm
2 Remove the burrs, and paint the edges and areas around the
edges using repair paint to prevent rusting.
6.3.6 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 cable from scratching the paint (field supply).
4 Attach the cable’s ends. Tighten those ends.
6.4 Connecting the refrigerant piping
6.4.1 About connecting the refrigerant piping
Before connecting the refrigerant piping
Make sure the outdoor and indoor unit are mounted.
Typical workflow
Connecting the refrigerant piping involves:
▪ Connecting the refrigerant piping to the outdoor unit
▪ Connecting the refrigerant piping to the indoor unit
▪ Installing oil traps
▪ Insulating the refrigerant piping
▪ Keeping in mind the guidelines for:
▪ Pipe bending
▪ Flaring pipe ends
▪ Brazing
▪ Using the stop valves
6.4.2 Precautions when connecting the
refrigerant piping
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
DANGER: RISK OF BURNING
CAUTION
▪ Do NOT use mineral oil on flared part.
▪ NEVER install a drier to this R32 unit to guarantee its
lifetime. The drying material may dissolve and damage
the system.

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