33
Routing refrigerant lines
Vitocal 222-S, type AWT-AC
221.A04
221.A07
221.A10
221.A13
Refrigerant lines
Min. line length
3 m
3 m
3 m
3 m
Max. line length
20 m
30 m
30 m
30 m
Max. height differential internal
unit – external unit
10 m
15 m
15 m
15 m
Note
No topping up is required for line lengths
between 3 and 12 m.
5000
5000
B
C
D
E
A
Example: type AWT-AC 221.A07
A
Internal unit
B
External unit
C
Liquid line
D
Hot gas line
E
Oil lift bends
,
Flow direction for heating mode
,
Flow direction for cooling mode
Installation sequence
Connecting refrigerant lines
(cont.)
5600 950 GB
Installation