McQuay M5WM 007G, Manual

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92
Ser Ser
Ser Ser Servicing
vicing
vicing vicing vicing And Maintenance
And Maintenance
And Maintenance And Maintenance And Maintenance
1
O ff the unit
2
Unscrew the air discharge housing
3
Flip open the air discharge housing
4
Clean the blower
5
Close the air discharge housing and tighten it with screw
The unit is designed to give a long life operation with minimum maintenance required. However, it should be regularly
checked and the following items should be given due attention.
Components Maintenance Procedure Recommended Schedule
Indoor Air Filter
1 . Remove any dust adhering on the filter by using a
vacuum cleaner or wash in lukewarm water (below
40
°
C/104
°
F) with a neutral cleaning detergent.
2. Rinse the filter well and dry before placing it back onto
the unit.
3. Do not use gasoline, volatile substances or chemicals
to clean the filter.
At least once every 2 weeks.
More frequently if necessary.
Indoor Unit 1. Clean any dirt or dust on the grille or panel by wiping it
with a soft cloth soaked in lukewarm water (below
40
°
C/104
°
F) and a neutral detergent solution.
2. Do not use gasoline, volatile substances or chemicals to
clean the indoor unit.
At least once every 2 weeks.
More frequently if necessary
Condensate Drain
Pan and Pipe 1. Check and clean. Every 3 months.
Indoor Fan 1. Check for unusual noise. As necessary.
Indoor/Outdoor
Coil 1. Check and remove dirt which are clogged between fins.
2. Check and remove obstacles which hinder air flow in
and out of indoor/outdoor unit.
Every month.
Every month.
Electrical 1. Check voltage, current and wiring.
2. Check faulty contacts caused by loose connections,
foreign matters, etc.
Every 2 months.
Every 2 months.
Compressor
1. No maintenance needed if refrigerant circuit remains
sealed. However, check for refrigerant leak at joints
and fittings.
Every 6 months.
Compressor
Lubrication 1. Oil is factory charged. Not necessary to add oil if circuit
remains sealed.
No maintenance required.
Fan Motors
Lubrication 1. All motors pre-lubricated and sealed at factory. No maintenance required.