EN-4
452163.66.30 · FD 9801
English
VWU 65 - VWU 80
3 Installation
3.1 Hydraulic integration of four-way valve
Fig. 2:•View of 4-way valve with labelling of the connections
The control lever must be positioned:
0 for cooling and 1 for heating
The hydraulics must be arranged in accordance with the
designated connections
[
A
]
,
[
B
]
,
[
C
]
and
[
D
]
. Fig. 2:•shows
the labelling of the connections.
ATTENTION!
!!
The hydraulics must be set up in compliance with these specifications.
Fig. 3:•Hydraulics diagram of reversing valve/heat pump
[A]
[B]
[D]
[C]
0
Cooling
Heating
1
Содержание VWU 65
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