Riello NUOVO ACU Series Technical Information Assembly, Use And Maintenance Instructions page 41

DIAGRAM ELECTRICAL CONNECTIONS TYPES 1÷12
DESCRIPTION:
MFAN Connections terminal
230V 50Hz Single-phase electrical supply 230V  50Hz
TM (1) Minimum thermostat
TA (1) Room thermostat
IMT (1) Pole switch circuit breaker
(1) Not included: to be installed by the customer.
DIAGRAM ELECTRICAL CONNECTIONS TYPES 13÷18 (LOW SPEED
DESCRIPTION:
FAN1
Fan/s
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.
(single phase supply 230V  50Hz)
CONNECTION)
(Tri-phase 400 V – 50 Hz 3N power supply)
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