Liebert DS User Manual

Piping Schematics

106

Figure 81 Primary connection locations—upflow, water/glycol/GLYCOOL, 105kW (30 ton), all

Table 52

Piping data—upflow, upflow, water/glycol/GLYCOOL, 105kW (30 ton), all

Point

Description

inches (mm)

Connection Size /

Opening, inches (mm)

Water/Glycol/GLYCOOL Access (Bottom)

126-1/8 (3204)

9 (229)

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

Water/Glycol/GLYCOOL Access (Top)

126-1/8 (3204)

9 (229)

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

Water/Glycol/GLYCOOL Access (Side)

6 x 17-3/16 (152 x 437)

Water/Glycol/GLYCOOL Supply

2-1/8 Cu Sweat

Water/Glycol/GLYCOOL Return

2-1/8 Cu Sweat

CGD*

Condensate Gravity Drain

3/4 FPT

CPD

Condensate Pump Discharge (Opt)

102-3/8 (2600)

13-5/8 (346)

1/2 Cu Sweat

HUM

Humidifier Supply Line

101-1/8 (2569)

13-1/8 (333)

1/4 Cu Sweat

ECS

Econ-O-Coil Supply

101-1/8 (2569)

10-1/4 (260)

2-5/8 Cu Sweat

ECR

Econ-O-Coil Return

101-1/8 (2569)

5-1/4 (133)

2-5/8 Cu Sweat

Electrical Conn. (High Volt)

98-1/2 (2502)

30 (762)

2-1/2

Electrical Conn. (High Volt)

93 (2362)

30 (762)

2-1/2

LV1

Electrical Conn. (Low Volt)

41-1/8 (1045)

30-3/8 (772)

7/8

LV2

Electrical Conn. (Low Volt)

38-7/8 (987)

30-3/8 (772)

7/8

LV3

Electrical Conn. (Low Volt)

35-1/8 (892)

30-3/8 (772)

7/8

LV4

Electrical Conn. (Low Volt)

31-5/8 (803)

30-3/8 (772)

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.

TOP VIEW OF UNIT

Blower

Outlet

Blower

Outlet

Blower

Outlet

CGD*

LV1

LV2

LV3

LV4

(152mm)

FRONT SECTION VIEW OF UNIT

(Left Front Panel Not Shown)

LEFT SIDE SECTION VIEW OF UNIT

All dimensions from
rear corner of unit
including panels

Front Of Unit

DPN001258
Rev. 0

3-7/8"

(98mm)

17-3/16"

(437mm)

CGD*

15-7/8"

(403mm)

(203mm)

14-1/4"

(362mm)

35"

(889mm)

2-7/8"

(73mm)

3-1/2"

(89mm)

132"

(3353mm)

NOTES:
1. Drawing not to scale.
2. Tolerance on all piping dimensions

is ± 1/2" (13mm).

3. Field routed alternatives for water/glycol

connections.

4. See submittal page DPN001192 for

blower outlet and deck dimensional data.