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cyberlab original instructions
© STULZ GmbH – all rights reserved EN/02.2018/G17F
Electrical box
• check the connection terminals for tight fixation when the unit is installed and once again after an operation
time of 30 days.
Unit interior
Clean pipes simplify the search for leaks.
• clean the unit‘s inside with a vacuum cleaner.
Vibrations of pipes and circuit components can result in leaks.
• check the pipes for a tight seat.
• The usual maintenance consists of a visual inspection of the A/C unit, the regular exchange of air filters and
the cleaning of the heat exchanger.
• For health reasons, the wearing of protective equipment such as respiratory protection, rubber gloves, etc.
is recommended during the maintenance.
Cleaning the unit interior
• After opening the front door or rear panel of the air conditioner remove dirt with a suitable vacuum cleaner.
Wipe remaining dirt with a cloth, if necessary take a scraping sample of the contamination.
• Check the condensate tray and the siphon on cleanliness and functionality.
disinfection in case of contamination
• In case of contamination clean all parts with a disinfectant. Disinfectants must have an effective range AB
according to the Robert Koch Institute (for example, Incidin Perfect from Ecolab).
• Remove contaminated insulations from tubes and all sealing gaskets and replace these by new ones.
• When working with disinfectants respect measures relating to explosion protection.
important note to the electric cabinet
• The cabinet and all associated components are designed for the application of „circulation cooling“ and are
arranged in the rear area. Therefore you can assume in case of contamination that this has been caused by
the return air.
• The elctric cabinet and all its components must be removed and disinfected in a hermetically sealed room
using fumigation, by, for example, a fumigation generator with the disinfectant DIOSOL from DIOP.
• The decontamination may only be carried out by qualified personnel and the use of appropriate means of
disinfection and devices.
• The manufacturer cannot accept any responsibility for damage to property and injury to persons caused by
failure to comply with the information in this document.
7.5 Unit housing
dANgER
Mortal danger by electric hazard
When the master switch is switched on and the controller is stopped, the power contactors are
live, even if the components are not operating.
At the fan contactor, dangerous voltages occur. Do not open the unit within the first 5 minutes
after disconnection of all phases.