English 8
- The drain pipe should be heat insulated with insulation
material
5
to
10
mm thick, such as polyurethane,
propylane or neoprene, avoiding condensation.
- If several units are placed in the room, the drain system
may be installed as shown in Fig. 7.
INSTALLATION OF THE OUTDOOR UNIT
Minimum clearance to provide for (in mm)
(Fig.
8
):
Avoid recycling, even partially, between air succion and
discharge.
Fastening on the floor:
The unit is meant to be fastened directly on the floor:
4 holes
∅
10 (Fig. 9).
In certain cases shock absorbing blocks can be placed
under the legs (ref. PAULSTRA N°.
520027
or similar).
Hanging on the wall:
The outdoor unit can be hung on the wall with a wall
bracket (accessory).
In any case the distance B between the wall
and succion at the rear of the condenser should
be respected (see table below and Fig.
9
).
COOLING LINKING PIPES BETWEEN
INDOOR UNIT AND OUTDOOR UNIT
The indoor units are meant to be connected when cooling
with the outdoor units by means of flare linking pipes
(copper pipe of cooling quality equipped at their ends
with flare nuts and insulated over their whole length).
PREPARATION OF THE PIPES
- Use copper pipes of cooling quality and of a
∅
adapted
to each model (see table on page 4).
- The gas pipe and the liquid pipe should imperatively
be insulated with insulating material at least 6 mm thick.
- Place the flare nuts on the pipe ends before preparing
them with a flare tool.
- The separately insulated pipes and their couplings
can then be fastened to the drain pipe and the electric
wires with a clamp.
INSTALLATION OF THE COOLING LINKING
PIPES
- Make a hole
∅
80 mm in the wall to pass the pipes
linking the outdoor unit with the indoor unit (Fig.
12
).
LAY-OUT OF THE PIPES
The bending radius of the pipes should be equal to or
more then 3.5 tilmes the diameter of the pipe (Fig.
11
).
Do not bend the pipes more than 3 times in a row and do
not make more than 12 bends on the total length of the
linking pipe.
In case the succion pipe has a vertical part exceeding 8
meters, it is IMPERATIVE to install a siphon every
3 meters when the GC is placed at a higher level
(Fig.
15
).
VACUUM OF COOLING PIPES AND
INDOOR UNIT
Only the outdoor unit is charged with R
407C
cooling fluid.
The indoor unit contains a small quantity of a neutral gas.
This the reason it is imperative to vacuum the linking
pipes and the indoor unit.
ASSEMBLY
The outdoor unit is equipped with a valve allowing to
vacuum the installation (large valve):
1 - Connect the linking pipes with the outdoor and the
indoor unit.
To obtain the right tightening, cover the surface with
cooling oil (Fig.
16
).
The use of a counter wrench is required
to tighten the valves (Fig. 14).
m
m
n
i
s
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o
i
s
n
e
m
i
D
5/17
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1
S
B
0
3
/
4
2
/
8
1
S
B
A
r
a
e
r
0
0
1
0
5
1
B
t
n
o
r
f
0
0
5
0
0
5
C
t
f
e
l
0
0
1
0
5
1
D
t
h
g
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0
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4
0
0
4
E
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b
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0
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5
