6
Requirements regarding on-site connections
F G
Indoor unit
A
- Hot gas line: see table below
B
- Liquid line: see table below
C
- DHW cylinder flow (heating water
side): G1 1/4 (internal thread)
D
- Heating water return and DHW
cylinder return: G1 1/4 (internal
thread)
E
- Heating water flow G1 1/4
(internal thread)
F
- Cable entry <42 V
G
- Cable entry 400 V~/230 V~, >42 V
Refrigerant lines
Meaning
Indoor unit connection types
HPSI-06
HPSI-09
Pipe Ø
UNF thread
Pipe Ø
UNF thread
Liquid line
6mm
1/4
10mm
5/8
Hot gas line
12mm
1/2
16mm
7/8
