16
11
1
5
6
2
3
4
BK
BK
BL
BR
INS
TALLER
US
ER
MAINTEN
AN
CE
TECHNI
CI
AN
TECHNI
CAL
D
AT
A
3.4 WIRING DIAGRAM - DIM BASE ERP CONNECTION TO MULTI-ZONE P.C.B. KIT.
Key:
M10-1 - DIM zone 1 pump
CAR
V2
- Comando Amico Remoto
V2
1 - Electrical connection 230 Vac ~ 50 Hz
2 - Earth
3 - Neutral
4 - Line
5 - Multi-service board
6 - Low voltage connection terminals
BK - Black
BL - Blue
BR - Brown
3.5 TROUBLESHOOTING.
- Presence of air in the system. Check the opening of the boiler
vents, of the the central heating system and of the DIM. Make
sure the system pressure and expansion vessel factory-set pres-
sure values are within the set limits; the factory-set value for the
expansion vessel must be 1.0 bar, and system pressure between
1 and 1.2 bar.
CARv2-1