18
| EN
AMBERAIR COMPACT RH v2019.08
Make sure, that units’ switch is at off position (1 pic.).
Turn the handles 90 degrees (2 pic.). After pulling the doors towards yourself, return the handles to the primary position (3 pic.). Open the doors
(4 pic.). All the doors of AmberAir Compact units can be opened accordingly.
If the AHU is equipped by electrical heater, then, in order to open the doors just unscrew all 4 holding handles (5-8 pic.), remove the screws from
the inner side, after opening the side door (Fig. 10) and remove the doors (11 pic.). In case of water heater – unscrew pipe sealing half-rings firstly
(9 pic.).
6.3. FILTERS AND PREFILTER MAINTENANCE
1
2
3
4
After filter changing, reset filters timer if used filter timer. Strictly prohibited to operate the unit without filters!
It is recommended to change the filters every 3 - 4 months, or according to filter timer, or filter pressure relay or pressure
transmitter indication in remote control panel or BMS.
6.4. FANS MAINTENENCE
Before starting maintenance or repair work, make sure that the unit is disconnected from the electrical network and main
switch is turned off.
•
Maintenance should be performed only by experienced and trained staff.
• The fan should be inspected and cleaned at least once a year.
• Be sure the fan is disconnected from power source before performing any maintenance or repair.
• Begin maintenance works only after a full stop of the fan.
• When performing technical maintenance work, follow all work safety rules.
• The structure of the motor includes high-performance bearings. They are pressurised and, therefore, do not require lubrication throughout the
motor service life.
• Detach fan connections from the unit.
• Disconnect fan air pressure hose.
• Impeller should be specially checked for build-up material or dirt which may cause an imbalance. Excessive imbalance can lead to accelerated
wear on motor bearings and vibration.
• Clean the impellers and the inside of the casing with a soft, non-soluble and non-corrosive detergent and water, with ph (6-8).
• Do not use high pressure cleaner, abrasives, sharp instruments or caustic solvents that may scratch or damage housing and impeller.