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D
1
A
B
~ 1,5 bar N
2
1.
When replacing the condenser, provide a small addi-
tional length for the refrigerant pipes.
2.
Drain the factory-set nitrogen filling at the liquid pipe
(1).
–
150 kPa (1,500 mbar)
◁
An audible hissing sound shows that the refrigera-
tion circuit in the product is leak-tight.
3.
Remove the flare nuts and the catches from the con-
nections for the refrigerant pipes on the product.
4.
Apply a drop of flare oil to the outsides of the pipe ends
in order to prevent the flare edge from breaking away
when tightening screwed connections.
5.
Connect the liquid pipe (1). Use the product's flare
nuts.
6.
Tighten the flare nut.
Heat output
Pipe diameter
4 to 10 kW
1/4 "
7.
Connect the hot gas pipe (2). Use the product's flare
nuts.
8.
Tighten the flare nut.
Heat output
Pipe diameter
4 to 10 kW
1/2 "
5.6
Checking the refrigerant pipes for tightness
1.
Check the refrigerant pipes for tightness (see the in-
stallation instructions for the outdoor unit).
2.
Ensure that the heat insulation of the refrigerant pipes
is still sufficient after installation.
218
2
C
Tightening torque
15 ... 20 Nm
Tightening torque
50 ... 60 Nm
5.7
Installing the domestic hot and cold water
connection
1.
Install the expansion relief valve from the bag of small
parts at the domestic hot water connection.
Connection symbols (→ Page 207)
2.
Install the cold water connection (1) and the domestic
hot water connection (2) in accordance with the relev-
ant standards.
Connection symbols (→ Page 207)
5.8
Installing the heating circuit connections
1.
Install two filling/draining cocks (1) from the bag of
small parts.
Connection symbols (→ Page 207)
Installation and maintenance instructions 8000017440_FT
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2
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