Euroclima ZHK, Руководство пользователя

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Instruction Manual ZHK
V07-21.0 119/140
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Check solenoid valves for functionality and clean if necessary.
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Check control and safety devices for functionality.
9.5.2 Spray humidifier
The instructions of
chapter 9.5.1
are to be applied analogously.
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Check water supply for proper function and check the water level, if necessary, adjust the float
valve so that the valve closes at a water level of 10
–
15 mm below the overflow.
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Remove and clean the nozzles.
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Damaged nozzles are to be replaced. Never clean the nozzle holes with hard objects. Clean
the nozzle holder without nozzles with high-pressure water. Make sure that the drain valve is
open while undertaking this process.
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Check pump piping for leaks and integrity.
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Check the hose clamps fit properly.
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Check the flexible tube connections in the air washer circuit for fissures and for damages every
three months. When there are visible damages, cracks in the surface, signs of aging or deterio-
ration, the flexible tubes must be replaced immediately.
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Replace flexible connector tube on pressure side and suction side every 5 years.
9.5.3 Evaporative humidifiers
The instructions of
chapter 9.5.1
are to be applied analogously.
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The float valve has to close securely at a water level of 15
–
20 mm below the overflow to en-
sure bubble free suction. Possible readjustments have to be performed in the course of any
regular inspections.
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Heavily calcified evaporative modules must be replaced.
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In mild calcification the packet can be cleaned by adding decalcifying treatment to the circulat-
ing water (shut down the AHU before adding decalcified treatment). After that, clean the sec-
tion and tubes properly with fresh water.
9.5.4 High-pressure humidifiers
Carry out the maintenance according to the instructions of the manufacturer of the high-pressure
humidifiers.
9.5.5 Steam humidifiers
Carry out the maintenance according to the instructions of the manufacturer of the steam humidifi-
ers. Additionally, the instructions of
chapter 9.5.1
are to be applied analogously as well as consid-
ering the following issues:
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Check steam distribution for deposits.
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Check steam supply for leaks and integrity.
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Check function of the condensate drain.
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Check electrical contacts of the pump for corrosion.
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Measure the current consumption.
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Clean entire piping system, control and safety devices.
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Measure the humidifier performance after maintenance.