SYSTEMP – Installation Operation Manual (IOM SYSTEMP rev.N)

Table Of Contents
111
16.1 PROBLEMS WITH VENTILATION
SCARCE AIR FLOW RATE
OR PRESSURE VALUES
NOT REACHED
CLOGGED AIR FILTERS
LOW FAN SPEED
HIGH LOAD LOSSES
DUCTING OR
ENVIRONMENT NOT
PROPERLY SEALED
REPLACE AIR FILTERS
CHECK FAN
CONFIGURATION
CHECK FOR
OBSTRUCTIONS IN
AERAULIC CIRCUIT
CHECK AND ELIMINATE
ANY AIR LEAKS
NOISY FAN
MOTOR SHAFT
BEARINGS WORN OR
DAMAGED
REPLACE FAN
FAN THERMAL CUT-OFF
TRIGGERED
LOW SUPPLY VOLTAGE
MECHANICAL FAULT
ELECTRICAL FAULT
CHECK THE UNIT’S
POWER SUPPLY
REPLACE FAN
CHECK THE MOTOR
WIRING AND
INSULATION
FLOW SENSOR TRIG-
GERED
MECHANICAL FAULT
NO AIR
REPLACE FLOW SENSOR
CHECK DIRECTION OF
ROTATION OF FAN AND
AERAULIC CIRCUIT