McQuay MDS080BR Installation Guide download pdf (Page 81)

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Design & installation Guide For McQuay MDS Multi System

Refrigerant Piping Installation:

Refrigerant piping should use the appointed diameter pipe;

Refnet joint must be installed horizontally or vertically.

(Horizontal line)

B viewer

A viewer

Distributor kit must be installed horizontally.

To the indoor unit

Liquid distributor kit

To the indoor unit

Gas distributor kit

Horizontal line

B viewer

(gas side)

(liquid side)

Distributor kit should be connected to indoor unit directly, it is not allowed to connected to the

distributor kit or refnet joint.

Controller

Indoor unit

Distributor kit

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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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McQuay MDS080BR Installation Guide Page 81

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