McQuay MDS080BR Guía de instalación Pagina 101
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Design & installation Guide For McQuay MDS Multi System
Description of controller hardware
Input port:
The system contains 5 test ports designed for high/low pressure test, digital compressor
overload, constant speed compressor overload 1 and constant speed compressor overload 2
(used when 3 compressors are available)
Output port:
The system contains 9 output control ports including PWM valve, 4-way valve, digital compres-
sor/constant-speed compressor main power supply, high/medium/low wind, SI (reserved as the
main power supply for the second constant-speed compressor of the 3 compressor systems, if
applicable) and riving port for electronic expansion valve.
Sensor test port
The system has 7 temperature test ports designed to test the temperature of the digital
compressor exhaust, ambient temperature, return-air temperature, the bottom temperature of
compressor, inlet temperature, midlet temperature and outlet temperature (Note: The flow
direction of the refrigerant inside the coils when the system is running in cooling mode determines
the inflow and outflow direction described in this document).
Communication port:
The system has two RS485 communication ports. One network with the indoor units and the
other is used for internetworking control.
DIP switch setting
J1 settings (1:ON: 0:OFF)
J1.1 J1.2
Initial opening extent
J1.1 J1.2
Initial opening extent
of the expansion valve of the expansion valve
00 300 1 0 400
01 350 1 1 450
J1.3 reserved
J1.4: J1.5: J1.6: J1.7 capacity settings
Note: Other DIP switches are reserved.
No. J1.4 J1.5 J1.6 J1.7 Capacity
10 00010.0kW/4HP
20 00112.5kW/5HP
30 01015.0kW/6HP
40 01122.5kW/8HP
50 10028.1kW/10HP
60 1 01 3HP
- 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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