Compressor models – Liebert Precision Cooling System DS User Manual

Page 109

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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

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