1 Sensor cable - low voltage
2 Power supply cable 230 V / 400 V
3 Heating circuit flow
4 Circuit B flow
5 Heating circuit return
6 Circuit B return (optional)
7 Return from boiler back-up
8 Domestic hot water outlet
9 Flow to boiler back-up
10 Domestic cold water inlet
11 3/8" refrigerant fluid connection – liquid line
12 5/8" refrigerant fluid connection – gas line
Fig.2
Symbols used on the connection
label
MW-3000554-02
A
G1"
A
G1"
G3/4"
G3/4"
5/8"
69-82 Nm
3/8"
34-42 Nm
1
2
4
6
8
3
5
7
9
11
12
B
G1"
B
G1"
G3/4"
G3/4"
10
2 Symbols used
7682822 - v03 - 27082018
MIV-4S V200
11
