Liebert DS Piping Schematics, Left Side Section View, Top View of Unit, Front Section View, Point

Piping Schematics

Figure 76 Primary connection locations—upflow, water/glycol/GLYCOOL, 28-42kW (8-12 ton), all compressor models

NOTES:
1. Drawing not to scale.		All dimensions
2. Tolerance on all piping dimensions is ± 1/2" (13mm).
3.	Field-routed alternatives for water/glycol connections.	from rear corner
4.	See submittal page DPN001120 for blower outlet	of unit including	X
	and deck dimensional data.	panels

0

35" 8" (889mm) (203mm)

3-1/2"

(89mm)

W1,W2

3

2-7/8"

(73mm)

ECS	Blower
ECR
HUM	Outlet
CPD	4

	LV1
E1 E2	LV2
	LV3

Y

6"
(152mm)	W3
17-3/16"	WS
	WR
(437mm)
	3
	CGD*

3-7/8" 14-1/4"

(98mm) (362mm)

15-7/8" (403mm)

Left Side Section View

86"
(2184mm)	Front
Top View of Unit

CGD*	Front Section View
	(Left Front Panel Not Shown)	DPN001179
		Rev. 2

		X	Y	Connection Size / Opening
Point	Description	in. (mm)	in. (mm)	in. (mm)
W1 3	Water/Glycol/GLYCOOL Access (Bottom)	79-15/16 (2030)	9 (229)	3-1/2 x 8 (89 x 203)
W2 3	Water/Glycol/GLYCOOL Access (Top)	79-15/16 (2030)	9 (229)	3-1/2 x 8 (89 x 203)
W3 3	Water/Glycol/GLYCOOL Access (Side)	—	—	6 x 17-3/16 (152 x 437)
WS 3	Water/Glycol/GLYCOOL Supply	—	—	1-5/8 Cu Sweat
WR 3	Water/Glycol/GLYCOOL Return	—	—	1-5/8 Cu Sweat
CGD	Condensate Gravity Drain	—	—	3/4 FPT
CPD	Condensate Pump Discharge (Opt)	56-1/4 (1429)	11-1/8 (282)	1/2 Cu Sweat
HUM	Humidifier Supply Line	56-1/4 (1429)	9-1/8 (232)	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)

101