Liebert DS user manual 14-1/2

Piping Schematics

Figure 73 Primary connection locations—downflow, air-cooled, 105kW (30 ton), all compressor models

A

A

Front View

Note: Drawing not to scale

All dimensions

from rear corner

Tolerance on all

of unit including

piping dimensions

Section A-A

panels

X

is ± 1/2" (13mm)

O

W

8" (203mm)

WS

15-7/8"

Blower

Blower

Blower

Y

WR

(403mm)

Outlet

Outlet

Outlet

3-1/2"

B3

B2

B1

35"

14-1/2"

(89mm)

(889mm)

(368mm)

ECS ECR

Typ

LV1

CD

LV2

LV3

HUM E1 E2

Front of Unit

131"

(3327mm)

DPN001015

Rev. 2

X

Y

Connection Size / Opening

Point

Description)

inches (mm)

inches (mm)

inches (mm)

W

Water/Glycol/GLYCOOL Access

125-15/16 (3199)

9 (229)

3-1/2 x 8 (89 x 203)

WS

Water/Glycol/GLYCOOL Supply

127-7/8 (3248)

10-1/16 (256)

2-1/8 Cu Sweat

WR

Water/Glycol/GLYCOOL Return

127-7/8 (3248)

13-1/4 (337)

2-1/8 Cu Sweat

CD

Condensate Drain *

83-13/16 (2129)

30 (762)

3/4 FPT

W/ Optional Pump

83-13/16 (2129)

30 (762)

1/2 Cu Sweat

HUM

Humidifier Supply Line

102-3/4 (2610)

31-3/4 (806)

1/4 Cu Sweat

ECS

Econ-O-Coil Supply

101-7/8 (2588)

29 (737)

2-5/8 Cu Sweat

ECR

Econ-O-Coil Return

94-9/16 (2402)

29 (737)

2-5/8 Cu Sweat

HS

Hot Water Reheat Supply

Consult Factory

HR

Hot Water Reheat Return

Consult Factory

E1

Electrical Connection (High Volt)

98-1/4 (2496)

30 (762)

2-1/2

E2

Electrical Connection (High Volt)

88-7/16 (2246)

30 (762)

2-1/2

LV1

Electrical Connection (Low Volt)

2 (51)

27-1/2 (796)

7/8

LV2

Electrical Connection (Low Volt)

2 (51)

30-1/4 (768)

7/8

LV3

Electrical Connection (Low Volt)

2 (51)

32 (813)

7/8

B1

Blower Outlet

28-1/4 (718)

18 (457)

14-1/2 x 15-7/8 (368 x 403)

B2

Blower Outlet

52 (1321)

18 (457)

14-1/2 x 15-7/8 (368 x 403)

B3

Blower Outlet

75-11/16 (1922)

18 (457)

14-1/2 x 15-7/8 (368 x 403)

*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)

98