McQuay MDS080BR Installation Guide Page 107
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Design & installation Guide For McQuay MDS Multi System
6.2 Servicing and Maintenance
Caution:
Do not use or place inflammable and explosive articles beside the air-conditioning unit;
Power the indoor units in a centralized way;
Please check the parts like installing support often to see if they are damaged after longtime
service;
Do not alter or repair the product without authorization. To relocate the air conditioner, please
contact your dealer or professional installation personnel;
Do not install the air conditioner without authorization, to make sure the air-conditioning unit can
operate reliably for a long time;
In case of failure, please turn off the main power switch of the air-conditioning unit immediately;
Do not remove the blade shield of an outdoor unit. Never put your hand or foreign matters in the
air outlet;
Do not perform a check or repair while the air-conditioning unit is running;
Do not water the unit or operate the air-conditioning unit with wet hands.
6.2.1 Precautions
Before installation, please check if the power supply in use is the same as that indicated on the
nameplate, and if it is safe;
Before using the air conditioner, please check and make sure that the power cables are properly
connected, to avoid electric shock or fire;
Keep the air-conditioning unit out of the reach of children;
Before cleaning the air-conditioning unit or replacing the air filter, please turn off the main power switch;
If you leave this air-conditioning unit idle for a log time, please be sure to switch it off;
Do not step on the air-conditioning unit or place anything on it;
The mains outlet must be securely grounded, to make sure the air-conditioning unit is also
properly grounded, and to avoid electric shock. Be sure not to collect a power cable to the gas
pipe, tapping pipe, lightning arrester or telephone set;
Once the air conditioner is switched on, be sure not to turn it off until it remains in operation for
over 5 minutes, to avoid affecting the oil return of the compressor;
Be sure to check the units, once they are installed, for electric leakage.
6.2.2 Servicing and Maintenance
Daily maintenance
All the units are strictly tested and inspected before they leave factory. To make sure the units
remain operational for a long time, users are supposed to maintain and service the units, check and
repair them at regular intervals.
Maintenance and care of indoor units MCC, MDB
Air filter
Depending on the environment to be conditioned, the air filter is usually installed at the air
outlet, to effectively filter out the smoke, dust, dirt, pollen and foreign matters in the air.
Before the filter is blocked, cleaning makes less sense. The filter should be cleaned at
certain intervals depending on where it is mounted and located as well as the amount of
foreign matter. The air filter can be made of washable fiber nylon or leno. While cleaning the
filter, you can put it on a hard surface and knock it gently, to clear away heavy particles. If
necessary, wash it in warm water using neutral detergent. Do not remount the filter until it
gets dry.
- CONTENTS 3
- Overview 4
- MDS080BR MDS100BR MDS120BR 7
- MDS150BR 7
- MDS200BR MDS220BR MDS240BR 8
- MDS180BR 8
- MDS280BR MDS300BR 9
- MDS260BR 9
- 1.3 Main Features 10
- Nominal capacity 11
- 100% operating 11
- 1.4 Nomenclature 12
- 1.5 Products Series 14
- 1.6 Performance Parameter 15
- 1.6.3 Ceiling Cassette 16
- 1.7 Operating Range 19
- 1.8 Refnet 19
- 1.8.2 C Type 20
- 1.9 Outline of Indoor Units 21
- 1.9.2 MDB050T 22
- 1.9.3 MDB060T 22
- 1.9.5 MCM020T MCM030T MCM050T 23
- 1.9.6 Auxiliary Heating Coil 24
- 1.10 Outline of Outdoor Units 25
- Unit Control 27
- Te m perature 28
- 2.3.3 Wire Control Panel 31
- 2.3.4 Outline and Dimension 31
- 2.3.5 Installation Type 31
- concealed installation 31
- 2.5 Network Central Control 34
- 2.6 Wiring Diagram 35
- Model MCK025/030/040/050T 36
- MCM020/030T 36
- Model MCM050T 37
- Model MDB050/060T 37
- Model MDS030A 38
- Model MDS030AR 38
- Model MDS040AR 39
- Model MDS040A 39
- Model MDS050A 40
- Model MDS050AR(220V~/50Hz) 40
- Model MDS060A 41
- Model MDS060AR(220V~/50Hz) 42
- Model MDS080/100/120B 43
- Model MDS080/100/120BR 43
- Model MDS150B 44
- Model MDS150BR 44
- Model MDS180B 45
- Model MDS180BR 45
- Model MDS200/220/240B 46
- Model MDS200/220/240BR 46
- Model MDS260BR(Master Unit) 47
- Connecting the master unit 48
- 2.7 Electric Connection 49
- 2.7.3 MDS080 240B/BR 50
- 2.7.4 MDS260 300B/BR 50
- 2.8 Electric Data 51
- Selection 52
- 3.2 Selection of Indoor Units 54
- Correction factor 57
- 3.4 Design of Air System 58
- 3.5 Slection of Refnet Joint 63
- For MDS-A series 64
- For MDS-B series 64
- Y type 65
- Type: MDS-Y5 65
- 3.6 Selection of E-EXV Box 66
- Installation 67
- Suspension ropes 68
- Protective pads 68
- (2 ropes) 68
- 4.2 Indoor Unit Installation 70
- (machine dimension) 820mm 73
- PULL PULL PULL PULL 76
- Height between indoor 78
- Refnet joint 80
- Outdoor unit 80
- Distributor kit 80
- Controller 81
- Indoor unit 81
- To indoor unit 82
- To outdoor unit 82
- Moisture 83
- Blind plug(copper) 84
- Flare fitting 84
- Avoid wielding too often 85
- Work flow 86
- NO.1 NO.2 87
- 6.4mm~25.4mm 10mm or more 88
- 28.6mm~38.1mm 15mm or more 88
- Unit: mm 89
- Absolute pressure 91
- Surface pressure (kg/cm 91
- Ordinary vacuum drying 92
- Special vacuum drying 93
- 30 or more 96
- Pipe mouth facing downward 96
- Air vent pipe 96
- Air vent device 97
- 5.1.1 MDS Series Indoor Units 98
- Model 1 setting (SW1.1 SW1.6) 98
- Address settings (SW2.1 99
- Model 2 setting 100
- SW3.5 SW3.8 100
- Power setting SW3.1 SW3.4 100
- Reserve 100
- Digital control 102
- 5.2 Trial Run 105
- Servicing and Maintenance 106
- 6.2 Servicing and Maintenance 107
- For example: 112
- WWW.MCQUAY.COM 116
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