McQuay MWM Specifications Page 94
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Pre-Start Up Maintenance
(After Extended Shutdown)
- Inspect thoroughly and clean indoor and outdoor units.
- Clean or replace air filters.
- Clean condensate drain line.
- Clean clogged indoor and outdoor coils.
- Check fan imbalance before operation.
- Tighten all wiring connections and panels.
- Check for refrigerant leakage.
The design of the MLC outdoor series allows servicing to be carried out readily and easily. The removal of
the top side, front and back panel make almost every part accessible.
Under normal circumstances, these outdoor units only require a check and cleaning of air intake coil
surface once quarterly. However, if a unit is installed in areas subjected to much oil mist and dust, the
coils must be regularly cleaned by qualified Air Conditioner Service Technicians to ensure sufficient heat
exchange and proper operation. Otherwise, the systems life span may be shortened.
CAUTION!
Do not charge OXYGEN, ACETYLENE OR OTHER FLAMMABLE and poisonous gases into the unit
when performing a leakage test or an airtight test. These gases could cause severe explosion and
damage if exposed to high temperature and pressure.
It is recommended that only nitrogen or refrigerant be charged when performing the leakage or
airtight test.
92
- Wall Mounted Split Systems 1
- ContentsContents 2
- Contents 2
- R407C Models 10
- (Cooling Only) 10
- (Heatpump) 11
- 4ykW773.1 15
- R22 Models 17
- Model : MWM 010F / MLC 010C 17
- Model : MWM 015F / MLC 015C 17
- Model : MWM 020F / MLC 020B 18
- Model : MWM 025F / MLC 025B 18
- Model : MWM 030F / MLC 030B 19
- Model : MWM 030F / MLC 030C 19
- Model : MWM 010FR / MLC 010CR 20
- Cooling Mode 20
- Heating Mode 20
- Model : MWM 015FR / MLC 015CR 21
- Model : MWM 020FR / MLC 020BR 22
- Model : MWM 025FR / MLC 025BR 23
- Model : MWM 030FR / MLC 030BR 24
- COOLING MODE 24
- Model : MWM 030FR / MLC 030CR 25
- Model : MWM 007F / M4LC 007B 26
- Model : MWM 010F / M4LC 010B 26
- Model : MWM 015F / M4LC 015B 27
- Model : MWM 020F / M4LC 020B 27
- Model : MWM 025F / M4LC 025B 28
- Model : MWM 030F / M4LC 030C 28
- Outdoor temp. (°CDB) 35
- Outdoor temp. (°CWB) 35
- MWM 007F/FR NC Curves 37
- MWM 010F/FR NC Curves 37
- MWM 015F/FR NC Curves 38
- MWM 020F/FR NC Curves 38
- MWM 025F/FR NC Curves 39
- MWM 030F / 030FR NC CURVES 39
- Outlines And Dimension 40
- Indoor Unit 41
- Outdoor Unit 41
- Model : MWM 030F / 030FR 42
- M4LC 030C, M4LC 030CR 42
- Cooling Only Models 44
- MLC 010C / 015C 44
- Heatpump Models 46
- Model : M4LC 015BR 46
- Model : MLC 015CR 47
- Model : MLC / M4LC 020BR 47
- 1 PHASE 50
- 220 - 240V 50
- 3 PHASE 51
- 380 - 415V 51
- Model : MWM 030F (D2.01.C) 53
- Model : MLC/ M4LC 030C 53
- Model : MWM 030F (D2.01.C.) 54
- Indoor Unit 55
- Model : MWM 015F (D2.0 I.C.) 55
- Model : MLC 015C 55
- Model : MWM 010F (D2.0 I.C.) 56
- Model : MLC 010C 56
- Model : MLC 020BR / 025BR 58
- Model : MLC 020BR / 025BR 59
- M4LC 020BR / 025BR 59
- Model : MWM 030FR (U1.4 1.C) 60
- Model : MLC / M4LC 030CR 60
- Model : MWM 030FR (U1.4 1.C.) 61
- Model : MWM 030FR (U1.4 I.C.) 62
- Model : MLC 30BR 62
- Model : MWM 010FR (U1.4 I.C.) 63
- Model : MLC 010CR 63
- Model : MWM 015FR (U1.4 I.C.) 64
- Important 70
- Installation Diagram 74
- (A) INDOOR UNIT 75
- (B) Outdoor Unit 76
- Installation Clearance 76
- CAUTION: 78
- 1. Hook the unit into the 79
- 2. Fix the rivet underneath 79
- 5) Water Drainage Piping 80
- 6) Wiring 80
- Electrical Connection 80
- General Precautions 80
- Orifice Pipe 81
- Liquid Pipe 81
- ORIFICE PIPE 81
- 8) Refrigerant Piping 83
- 9) Vacuuming And Charging 83
- Additional Charge 84
- 10) Final Checking 85
- CAUTION FOR R407C 85
- G7 Remote Controller 86
- G11 Remote Controller 87
- ON 88
- ON or OFF 88
- BLINK 88
- Special Function 90
- (F) Auto Random Restart 92
- Pre-Start Up Maintenance 94
- (After Extended Shutdown) 94
- Irregular motor resistance( 95
- & insulation (M 95
- Replace Fan Motor 95
- Model : MLC 020B / 025B 100
- M4LC 020B / 025B 100
- Model : MLC 030B 101
- Model : MLC / M4LC 030C 102
- M4LC 020BR / 025BR 104
- Model : MLC / M4LC 030CR 105
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