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Piping Schematics
99
Figure 74 Primary connection locations—upflow, air-cooled, 28-42kw (8-12 ton), semi-hermetic
compressor models
Point Description
X
inches (mm)
Y
inches (mm)
Connection Size / Opening
inches (mm)
R1 Refrigerant Access (Top) 60-11/16 (1542) 1-7/8 (48) 22-1/2 x 15-3/16 (572 x 386)
R2 Refrigerant Access (Bottom) 63 (1600) 13-13/16 (351) 16-7/16 x 4 (418 x 102)
L1 Liquid Line System 1 79-3/16 (2011) 16-3/4 (425) 1/2 Cu Sweat
L2 Liquid Line System 2 76-1/2 (1943) 16-3/4 (425) 1/2 Cu Sweat
G1 Hot Gas Discharge 1 73-7/8 (1876) 16-3/4 (425) 5/8 Cu Sweat
G2 Hot Gas Discharge 2 70-1/8 (1780) 16-3/4 (425) 5/8 Cu Sweat
R3 Refrigerant Access (Side) - - 6 x 17-3/16 (152 x 437)
CGD* Condensate Gravity Drain - - 3/4 FPT
CPD Condensate Pump Discharge (Opt) 56-1/4 (1429) 11-1/8 (283) 1/2 Cu Sweat
HUM Humidifier Supply Line 56-1/4 (1429) 9-1/8 (233) 1/4 Cu Sweat
ECS** Econ-O-Coil Supply 56 (1423) 7-5/16 (186) 1-5/8 Cu Sweat
ECR** Econ-O-Coil Return 56 (1423) 4-1/2 (114) 1-5/8 Cu Sweat
E1 Electrical Connection (High Voltage) 52-3/8 (1330) 30 (762) 2-1/2
E2 Electrical Connection (High Voltage) 46-7/8 (1191) 30 (762) 2-1/2
LV1 Electrical Connection (Low Voltage) 19-1/2 (495) 29-1/16 (738) 7/8
LV2 Electrical Connection (Low Voltage) 19-1/2 (495) 30-1/2 (775) 7/8
LV3 Electrical Connection (Low Voltage) 19-1/2 (495) 31-15/16 (811) 7/8
* Field-pitch condensate drain line a minimum of 1/8" (3.2 mm) per foot (305 mm). All units contain a factory installed condensate trap. Do
not trap external to the unit. Drain line may contain boiling water. Select appropriate drain system materials. The drain line must comply with
all local codes.
** Supplied on Dual-Cool systems only (4-pipe system)
All dimensions from
rear corner of unit
including panels
Blower
Outlet
22-1/2"
(572mm)
NOTES:
1. Drawing not to scale.
2. Tolerance on all piping dimensions
is ± 1/2" (13mm).
Field-routed alternatives for refrigerant
gas and liquid line connection points.
See submittal page DPN001120 for
blower outlet and deck dimensional data.
16-7/16"
(418mm)
4"
(102mm)
35"
(889mm)
15-3/16"
(386mm)
86" (2184mm)
Top View Front of Unit
20-1/16"
(509mm)
Factory Location
Front Section View
(Left Front Panel Not Shown)
14-1/4"
(362mm)
6"
(152mm)
17-3/16"
(437mm)
3-7/8"
(98mm)
15-7/8"
(403mm)
Left Side Section View
DPN001114
Rev. 02
3
3
3
- 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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