9
Pos.
Sym-
bol
Meaning
Connection to the internal unit
F
Liquid line
Type AWT-AC
Pipe
7
UNF thread
221.A04
6 mm
⅝
(Reducer
⅝
x
⁷
⁄
₁₆
supplied)
221.A05 to A13
10 mm
⅝
221.B10 to B16
10 mm
⅝
G
Hot gas line
221.A04
12 mm
⅞
(Reducer
⅞
x
¾
supplied)
221.A05 to A13
16 mm
⅞
221.B10 to B16
16 mm
⅞
H
Heating water flow
Cu 28 x 1 mm
K
Heating water return
Cu 28 x 1 mm
1.
Prepare the connections on the heating water and
the DHW side.
Flush the heating system.
2.
Prepare the electrical connections.
Cable lengths in 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~/400 V~
—
1.5 m
Other connecting cables
■
230 V~, e.g. for circulation pumps
2.0 m
—
■
< 42 V, e.g. for sensors
2.0 m
—
BUS cable for internal/external unit
■
12 V
2.5 m
1.5 m
■
43 V
2.5 m
1.5 m
Recommended power cables
Indoor unit
Type AWT/AWT-AC
221.A04 to A13, 221.B10 to B16
Heat pump control unit 230 V~
Cable cross-section
■
Without power-OFF
3 x 1.5 mm
2
■
With power-OFF
5 x 1.5 mm
2
Instantaneous heating water heater
Cable cross-section
■
400 V~
5 x 2.5 mm
2
■
230 V~
7 x 2.5 mm
2
Max. cable length
25 m
Preparing for installation
Requirements for on-site connections
(cont.)
5776 028 GB
Installation
Содержание AWT 221.A04
Страница 77: ...77 Maintenance Checking the fuses cont 5776 028 GB Maintenance...
Страница 87: ...87 Indoor unit parts lists Indoor unit hydraulics cont 5776 028 GB Components...
Страница 90: ...90 Indoor unit parts lists Indoor unit cylinder cont 5776 028 GB Components...
Страница 137: ...137 Wind direction 11 Wind loads 11 Keyword index Keyword index cont 5776 028 GB...
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