McQuay MWM Specifications Page 129
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And MaintenanceAnd Maintenance
And MaintenanceAnd Maintenance
And Maintenance
1 Off 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.
- Wall Mounted Split Systems 1
- Table of Contents 2
- Product Line Up 5
- M5WM-G SERIES PRODUCT LINE UP 6
- MLC PRODUCT LINE UP 7
- M5LC PRODUCT LINE UP 8
- • ROTARY COMPRESSOR 10
- • SELF DIAGNOSIS 10
- Caution : 11
- Cooling Only Models 13
- MODEL : MWM 030F - MLC 028C 14
- Heatpump Models 15
- MODEL : MWM 010GR - MLC 010CR 15
- M5WM 025GR - M5LC 025CR 17
- MODEL : MWM 025GR - MLC 025CR 17
- Controllers 19
- IR Receiver 20
- LED indicator lights 20
- Power Dry Timer Sleep 21
- Cool Dry Fan Heat 22
- Controller Specifications 23
- OUTDOOR FAN & 25
- 4-WAY VALVE 25
- Installation 27
- (B) OUTDOOR UNIT 29
- INSTALLATION CLEARANCE 29
- CAUTION: 31
- R22 - Nil 36
- R410A - Nil 36
- Additional Charge 37
- CAUTION FOR R410A 38
- Dip-pipe 40
- Invert cylinder 40
- Model Measuring location 41
- Standard : JIS C 9612 41
- Standard : JIS B 8615 41
- NC CURVES 42
- MWM 010 G/GR , M5WM 010 G/GR 42
- MWM 015 G/GR , M5WM 015 G/GR 43
- MWM 020 G/GR , M5WM 020 G/GR 43
- MWM 025 G/GR , M5WM 025 G/GR 44
- General Data - Heatpump (R22) 50
- Find TC, SC for 77
- Outlines And Dimensions 108
- Note : Dimension in mm 109
- For M5LC / MLC 028 C/CR Only 111
- INDOOR UNIT 120
- COOLING ONLY MODELS 120
- OUTDOOR UNIT 120
- MODEL : MLC 015C 121
- MODEL : MLC 018C 123
- MODEL : MLC 028C, M5LC 028C 124
- MODEL : MWM 030F, M5WM 031F 124
- HEATPUMP MODELS 125
- MODEL : MLC 015CR 126
- MODEL : MLC 028CR, M5LC 028CR 128
- MODEL : MWM 030FR, M5WM 030FR 128
- 1 Off the unit 129
- 4 Clean the blower 129
- PRE START UP MAINTENANCE 130
- Diagnostic Guidelines 132
- 14°C to 20°C. * 135
- MODEL : M5WM 031F / MWM 030F 141
- Model : MLC 007C 142
- Model : MLC 009C 143
- Model : MLC 010 / 015C 144
- Model : MLC 018 / 020C 145
- Model : MLC 025C 146
- Model: MLC 009CR 147
- Model: MLC 010CR / 015CR 148
- Model: MLC 018CR / 020CR 149
- Model: MLC 025CR 150
- MODEL: M5LC 007C 151
- Model: M5LC 010C / 015C 152
- MODEL: M5LC 020C 153
- MODEL: M5LC 025 / 028C 154
- MODEL: M5LC 007CR 155
- Model: M5LC 010CR / 015CR 156
- MODEL: M5LC 020CR 157
- MODEL: M5LC 025CR / 028CR 158
- Model : M5LC 020C (3 PHASE) 159
- Model : M5LC 025C (3 PHASE) 160
- Model : M5LC 028C (3 PHASE) 161
- Model : M5LC 020CR (3 PHASE) 162
- Model : M5LC 025CR (3 PHASE) 163
- Model : M5LC 028CR (3 PHASE) 164
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