2.26
PE
C
5. do the electrical motor connections.
2.27
PE
D
D
PE
Connect the grounding cable "C" to the
ground rivet on the shoulder of the ma-
chine.
A
0-10V
D
L1 - N
B
PE
D
0-10V
A
B
L1 - N
2.28
PE
C
6. As regards the connection diagram, refer to the
corresponding section in this manual.
Configuration dip switch settings
DIP NO.
DEFAULT
1
OFF
2
OFF
3
OFF
4
OFF
Function of auxiliary contacts
2.29
BO
M13
Boiler Chiller
The electronic board has 2 SPST relays with No (Nor-
mally open) type contact dedicated to external ena-
bling (free voltage do - digital output) for:
• BO contact [Boiler]:
External enabling for Boiler operation.
• CH contact [Chiller]:
External enabling for Chiller operation.
ON
OFF
Simultaneous
Continuous ventilation
ventilation with
and on/off on the
the valve without
valves
post-ventilation
Slave
Master
-
-
-
-
CH
N
43
EN