Vents VUT 1000 H, Руководство пользователя

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6. Technical maintenance of air duct system (every 5 years).
Even regular fulfilling of all the prescribed above maintenance operations may not completely prevent dirt accumulation in the air
ducts which reduces the unit capacity. The air duct maintenance includes their periodic cleaning or replacement.
7. Technical maintenance of the exhaust louver shutters and supply diffusers (as required).
Remove the diffusers and the louvre shutters and wash those with warm detergent solution. Do not change the position of the dif-
fusers and the louvre shutters.

FAULT HANDLING
Problem Possible reasons Fault handling
The fan(s) do(es)
no start.
No power supply.
Make sure the power supply line is connected correctly, other-
wise troubleshoot a connection error.
Motor is jammed, the impeller blades are
soiled.
Turn the unit off. Troubleshoot the motor jam and the impeller
clogging. Clean the blades. Restart the unit.
Automatic circuit
breaker tripping
following the unit
turning on.
Overcurrent resulted from short circuit in
the electric circuit.
Turn the unit off. Contact the service centre.
Low air flow.
Low set fan speed. Set higher speed.
The filters, the fans or the heat exchanger
are dirty.
Clean or replace the filters, clean the fans and the heat ex-
changer.
The ventilation system components (air
ducts, diffusers, louver shutters, grilles) are
clogged or damaged.
Clean or replace the ventilation system components, such as air
ducts, diffusers, louver shutters, grilles.
The air dampers, diffusers or the louvre
shutters are closed.
Make sure the air dampers, diffusers or the louvre shutters are
fully opened.
Noise, vibration.
The impeller(s) is soiled. Clean the impeller(s).
The screw connection is loose. Tighten the fan or casing screw connection against stop.
No anti-vibration connectors.
Install anti-vibration connectors (available upon separate
order).
Water leakage.
The drain line is clogged, damaged or
wrong mounted.
Clean the drain line, if necessary. Check the drain line slant,
inspect the U-trap and make sure the drain line is equipped
with frost protection.

STORAGE AND TRANSPORTATION RULES
Store the unit in the manufacturer’s original packing box in a dry closed ventilated premise with temperature range from +5 °C to +
40°C.
Vapours or particles which can cause corrosion or damage the insulation or connection tightness are not allowed in the storage envi-
ronment.
Use hoist machinery for handling and transportation to prevent possible mechanical damages of the unit. Fulfil the requirements for
transportation of the specified cargo type.
Use any vehicle types for the unit transportation provided that it is protected against mechanical or weather damage.
Avoid any mechanical shocks and strokes during handling operations.