Riello NUOVO ACU Series Technical Information Assembly, Use And Maintenance Instructions page 44

DIAGRAM ELECTRICAL CONNECTIONS TYPES 15÷18 (MAX. SPEED)
DESCRIPTION:
FAN1
Fan
FAN2 Fan
MSD Terminal box for connecting box
TK Electric fan thermal protection
400V 50Hz 3N Three phase electrical supply 400V  50Hz with neutral
CNT (1) Power contactor
TM (1) Minimum thermostat
TA (1) Room thermostat
IMT (1) Pole switch circuit breaker
(1) Not included: to be installed by the customer.
CABLE COLOUR TABLE:
NAME
1
1A
2
3
4
5
6
E
Version with two fans and without connecting box
(Three-phase 400 V – 50 Hz 3N power supply)
CABLE COLOUR
Black
Black
White
Green
Brown
Yellow
Blue
Yellow – Green
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