35"
(889mm)

Piping Schematics

Figure 74 Primary connection locations—upflow, air-cooled, 28-42kw (8-12 ton), semi-hermetic compressor models

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.

6"

(152mm)

17-3/16" (437mm)

14-1/4"

3-7/8" (362mm)

(98mm) 15-7/8" (403mm)

Left Side Section View

 

 

All dimensions from

 

 

22-1/2"

rear corner of unit

 

 

(572mm)

including panels

 

15-3/16"

 

Blower

 

 

Outlet

 

(386mm)

 

 

 

4"

16-7/16"

 

 

(102mm)

 

 

(418mm)

 

 

 

 

 

 

 

86" (2184mm)

 

 

 

Top View

Front of Unit

20-1/16" (509mm)

Factory Location

 

Front Section View

DPN001114

(Left Front Panel Not Shown)

 

Rev. 02

 

 

X

Y

 

Connection Size / Opening

Point

Description

inches (mm)

inches (mm)

inches (mm)

 

 

 

 

 

 

R1 3

Refrigerant Access (Top)

60-11/16 (1542)

1-7/8

(48)

22-1/2 x 15-3/16 (572 x 386)

 

 

 

 

 

R2 3

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 3

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)

99

Page 109
Image 109
Liebert DS user manual Cgd