Table of Contents
Advertisement
2.11 Refrigerating connection
The dimensions and positions of R AMD P cooling connec-
tions are shown hereunder.
1
Liquid line connection
2
Gas line connection
Model
25 A
Connections
Liquid line
connection
Gas line connection
Liquid line connection
Gas line connection
1
A
A
Inner side
B
Outer side
1
Plastic tube
2
Connections
— 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
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.
35 A
50 A
70 A
70 B
1/4
3/8
3/8
1/2
5/8
6,35
9,52
9,52
12,7
15,88
5 - 6 mm
2
B
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
1
must be recovered and the circuit must be cleaned with ni-
trogen without oxygen.
2.11.1 Connections
2
— position the connecting pipes
OK
Inch
Inch
mm
mm
9
Before threading the lines through the hole in the wall,
close the lines ends.
— cut the pipe end square using a pipe cutter
— remove burrs keeping the cut edge facing down
— remove the flare nut on the unit connection
— insert it into the connection pipe
— flare the tube
A
Pipe Ø
mm
6,35
9,52
12,70
15,88
11
INStAllAtION
OK
OK
A
inches
mm
1/4
9,1
3/8
13,2
1/2
16,6
5/8
19,7
Advertisement
Table of Contents
