Rev. B 08-2017
36
MTEC.4680.GB-B-1 Operation and maintenance manual GH serie English
GH Dehumidifiers for radiant cooling system
8.2 Disposal, recovery and recycling
The frame and components, if unusable, should be taken apart and sorted by type, especially copper and aluminum that are present in
large quantities in the machine.
All materials must be recovered or disposed in accordance with national regulations.
8.3 RAEE Directive (only UE)
The RAEE Directive requires that the disposal and recycling of electrical and electronic equipment must be handled through a special •
collection, in appropriate centers, separate from that used for the disposal of mixed urban waste.
The user has the obligation not to dispose of the equipment at the end of the useful life as municipal waste, but to send it to a special •
collection center.
The units covered by the RAEE Directive are marked with the symbol shown above.•
The potential effects on the environment and human health are detailed in this manual.•
Additional information can be obtained from the manufacturer.•
9. DIAGNOSIS AND TROUBLESHOOTING
9.1 Fault finding
All units are checked and tested at the factory before shipment, however, during operation an anomaly or failure can occur.
BE SURE TO RESET AN ALARM ONLY AFTER YOU HAVE REMOVED THE CAUSE OF THE FAULT; REPEA-
TED RESET MAY RESULT IN IRREVOCABLE DAMAGE TO THE UNIT.
Regarding the possible remedies, it is strongly recommended an extreme care on what you plan to do: an exces-
sive security may cause serious accidents to inexperienced people, so it is advisable, once you find the cause,
ask for our assistance or to qualified technicians.
Problem Possible Cause Corrective Action
The unit doesn’t start
Power supply missing Provide power supply
Line switch open Close the main line switch.
Remote contact opened Close the contact
Electronic board defective Replace defective board
Fan starts, compressor does not start
Compressor thermal protection enabled,
compressor defective
Let the compressor cool down, and restart;
in case, replace compressor defective
Electronic board defective Replace defective board
The unit is powered, the fan does not
start
Electronic board defective Replace defective board
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