Maintenance MCAC-KTSM-2009-03
22 Heat Recovery Ventilation
15. Maintenance
1, During new use stage, one should check the fan operation regularly.
2, The cleaning regulation for filter mesh depends on local environment. It could be clean by vacuum dirt
exhauster or water, if heavy dust accumulates, it should use neutral detergent to clean it, and then dry it
in shady and cool place for 20 to 30 minutes and replace it.
3, Clean the core at least 2 years a time by vacuum dirt exhauster to remove dust and foreign substance in
the unit assemblies, do not touch the assemblies by exhauster and flush by water to avoid core
damage.
4, Check the fan every half a year to maintain the well balance of it and check whether the axletree has
loosed.
16. Controller
KJR-27B/E:
The basic operation conditions of wired controller are as follows:
1. The range of power supply voltage: the voltage input is 5V DC.
2. Ambient temperature range: -15℃~+43℃.
3. Ambient humidity range: RH40%~RH90%.
4. The safety certification of electric control should conform to GB4706.32-2004, GB/T7725-2004.
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