Kampmann Lufterhitzer TOP Series, Инструкция по установке и эксплуатации

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32
1.53 TOP unit heaters
Unit heaters (2-stage three-phase motor/1-stage AC single-phase motor/continuously variable EC single-phase motor)
Installation and operating instructions
Fault Possible cause Remedy
Impeller not running
concentrically
Rotating parts unbalanced
Clean the unit if still unbalanced after
cleaning, replace the unit.
Please make sure that no balancing clips are
removed during cleaning.
Air flow is not warm in
heating mode
Insufficient heating medium
Check heating medium (heating circuit,
boiler) and remedy fault
Air in the heat exchanger Vent heat exchanger
Fan not moving any or too
little air
Air flow is interrupted or disrupted e.g. by dirty
filter or dirty heat exchanger
Restore air passage, change the filter and/or
replace the heat exchanger
Wrong direction of rotation Check the direction of rotation of the fan
Fault Possible cause Remedy
Fan does not rotate when
motor is switched on and
standby light is on
Setpoint temperature too low Raise setpoint
Remote switch contact has switched off
Check remote switch contact, bridge if
necessary
Fan does not rotate when
motor is switched on and
standby light is off
No power supply to unit Check fuses in sub-junction box
No control voltage Check control fuse in switch unit
Cable connection broken Check cable connections
Fan thermal contact has been triggered
(overheating risk)
Check motor temperature and allow to cool
down if necessary.
Clarify the cause of overheating (e.g.
blocked motor, intake temperature too high,
dirty filter); switch unit off and on again
13 Operating faults
13.1 All unit heaters
13.2 AC single-phase motor with motor junction box type ...31/36