Riello 20127839, Инструкции по установке и техническому обслуживанию

Страница: 13 / 28

13
INStAllAtION
MODEl 25 - 35
Ø60
140
30
Ø60
110
30
MODEl 50
Ø60
170
30
Ø60
120
30
MODEl 70
Ø60
100
40
Ø60
110
40
— mark the through hole as shown in the illustration
A Inner side
B Outer side
1 Plastic tube
2 Connections
5 - 6 mm
A
2
1
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
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
— 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