8
Symbol
Meaning
Connection
Refrigerant lines from/to the
external unit:
Type
AWB/
AWB-AC
Pipe
7
UNF thread
■ Hot gas line
201.B04
12 mm
⅞
Reducer
⅞ x ¾
201.B07
201.B10
201.B13
16 mm
16 mm
16 mm
⅞
⅞
⅞
■ Liquid line
201.B04
6 mm
⅝
Reducer
⅝ x
⁷
⁄
₁₆
201.B07
201.B10
201.B13
10 mm
10 mm
10 mm
⅝
⅝
⅝
DHW cylinder flow (heating
water side)
G 1¼
+
Heating water return and
DHW cylinder return
G 1¼
Heating water flow
G 1¼
A
Cable entry <42 V
—
B
Cable entry 400 V~/230 V~,
>42 V
—
1.
Preparing connections on the heating
water and the DHW side.
Flush the heating system.
2.
Prepare the electrical connections.
Note
The internal/external unit BUS con-
necting cable can be routed along the
refrigerant line and fixed to it.
Cable lengths inside the internal/external unit plus wall clearance:
Cables
Internal unit
External unit
Power cables:
Heat pump control unit (230 V~)
2.0 m
—
Compressor (230 V~)
—
1.5 m
Additional connecting cables/leads:
230 V~, e.g. for pumps
2.0 m
—
< 42 V, e.g. for sensors
2.0 m
—
Connecting cables between the internal/external units:
Preparing for installation
Requirements for on-site connections
(cont.)
5604 692 GB