12
INStAllAtION
Drilling into the wall:
A
Inner side
B
Outer side
1
Hole protective insert, supplied
2
Plastic tube
5 - 6 mm
A
1
2
B
—
drill the through hole into the wall
—
keep a downward inclination toward the external side
—
insert a plastic tube in the hole in order to protect the con-
nections
—
introduce the supplied hole protection insert on the inter-
nal side of the wall
—
seal with stucco
9
In case of connections on the rear side of the unit, refer to
chapter "Refrigerating connection" for the position of the
hole.
2.10
Refrigerating connection
The dimensions and positions of
R
AMS P
cooling connec-
tions are shown hereunder.
1
Refrigerant connections
1
1
Model
100
125
140
Connections
Liquid line
connection
3/8”
Inches
Gas line
connection
5/8”
Inches
Liquid line
connection
9,52
mm
Gas line
connection
15,88
mm
9
For indications concerning distances and differences in
height of connection pipes, refer to the matching outdoor
unit manual.
9
Use clean hoses. Make sure the inside is free of dust, resi-
dues, water.
9
Avoid the entry of uncondensable gases (air) in the circuit,
otherwise, with the unit in operation, high pressures with
the risk of damages might ensue.
9
Use copper pipes for cooling systems.
0
It is forbidden to use second-hand cooling lines since their
flare connection seal is not guaranteed.
0
It is forbidden to use pre-charged cooling lines.
0
It is forbidden to carry out welding operations with refrig-
erant inside the cooling circuit. If necessary, the refrigerant
must be recovered and the circuit must be cleaned with ni-
trogen without oxygen.
Connections
—
position the connecting pipes
OK
OK
OK
9
before threading the lines through the hole in the wall,
close the lines ends.
—
cut the pipe end square using a pipe cutter
