Liebert Precision Cooling System DS Manuale Utente Scaricare il pdf (Pagina 87)

Piping

Table 47 Line charges - refrigerant per 100 ft (30m) of Type “L” copper tube

O.D. Liquid Line, lb (kg)

1/2" 7.3 (3.3)

5/8" 11.7 (5.3)

7/8" 24.4 (11.1)

1-1/8" 41.6 (18.9)

Table 48 Outdoor condenser approximate refrigerant charge lb (kg) per circuit

Model

Fan

Speed

Lee-Temp

(includes receiver)

165 5 (2.3) 27 (12.3)

205 7 (3.2) 38 (17.2)

251 10 (4.6) 38 (17.20

308 11 (5.0) 58 (26.3)

415 15 (6.8) 75 (34.0)

510 30 (13.6) 149 (67.6)

143 17 (8) 64 (29)

214 23 (10 81 (37)

286 29 (13) 98 (44)

409 36 (16) 129 (59)

477 24 (11) 80 (36)

572 57 (26) 196 (89)

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 135 136

User Manual 1
2
TABLE OF CONTENTS 3
SAVE THESE INSTRUCTIONS 11
2.0 COOLING CONFIGURATIONS 16
3.1 Room Preparation 17
Pre-Installation Guidelines 18
3.5 Operating Conditions 19
35" 22
33" 22
Dry Weight - lb. (kg) 23
Approximate 23
DPN000924 24
TOP VIEW 26
FRONT VIEW 26
DPN001013 28
24" 33
Supply air 37
26" 39
Top of Unit 40
DPN001196 43
SAFETY INFORMATION 45
Spreader Bars and Slings 46
Piano Jacks 46
Forklift 46
5.2.3 Removing Piano Jacks 48
DETAIL A 51
6.1 Required Equipment 52
6.3 Reassembly—Downflow Units 55
6.4 Reassembly Checklist 56
60-3/16" 57
(1529mm) 57
59-7/16" 60
(1509mm) 60
37" 61
6.5 Disassembly—Upflow Units 66
6.6 Reassembly—Upflow Unit 68
6.7 Reassembly Checklist 68
31-1/4" 69
45-13/16" 71
(1163mm) 71
7.0 ELECTRICAL CONNECTIONS 78
Electrical Connections 80
8.0 PIPING 82
INCORRECT 83
INCORRECTINCORRECT 83
General Guidelines 84
8.2 Refrigeration Piping 85
Fan Speed Control Piping 88
Fan Speed Charging 89
Lee-Temp Piping 90
Lee-Temp Charging 91
9.0 PIPING SCHEMATICS 92
For systems with drycoolers 94
CUSTOMER 95
HEAT REJECTION 95
LIEBERT DS UNIT 96
(and associated piping) 96
Piping Schematics 100
FRONT OF UNIT 101
Front View 101
Section A-A 101
DPN000803 101
Front of Unit 102
DPN000804 102
DPN000900 103
DPN000928 104
DPN000929 105
DPN000933 106
DPN001014 107
DPN001015 108
15-3/16" 109
FRONT SECTION VIEW 110
DPN001119 110
15-7/8" 111
FRONT SECTION VIEW OF UNIT 112
(Left Front Panel Not Shown) 112
TOP VIEW OF UNIT 112
Top View 113
Left Side Section View 113
Front Section View 113
FRONT SECTION VIEW OF UNIT 115
Front Of Unit 116
DPN001258 116
10.2 Electrical 117
10.3 Piping 117
10.4 Other 117
WARNING 118
12.0 MAINTENANCE 121
12.2 Blower Drive System 122
12.2.1 Upflow Motor Access 123
12.2.2 Belt Removal 123
Maintenance 124
Correct Switch Orientation 125
Incorrect Switch Orientation 125
DPN000996 125
12.4.1 Condensate Drain 126
12.4.2 Condensate Pump 126
12.7 Compressor 127
12.8 Compressor Replacement 128
12.10.1 Cleaning Instructions 129
12.11.3Drycooler Settings 131
AINTENANCE CHECKLIST 132
HVAC Maintenance Checklist 133
Glycol Pump 134
SL-18825_REV07_05-08 136

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Liebert Precision Cooling System DS Manuale Utente Pagina 87

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