Liebert DS user manual Left Side Section View, Front Section View

Piping Schematics

Figure 79 Primary connection locations—upflow, water/glycol/GLYCOOL, 53-77kW (15-22 ton), all compressor models

NOTE

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 DPN001191 for blower outlet and deck dimensional data.

All dimensions from rear corner of unit including panels

6"

(152mm)

17-3/16" (437mm)

			Blower	Blower
	8"		Outlet	Outlet
		3	4	4
	(203mm)
35"	2-7/8"
(889mm)
	(73mm)
				LV1
	3-1/2"
				LV2
	(89mm)			LV3
				Front

Top View

W3

WS

WR

CGD

3-7/8"	14-1/4"
(98mm)
		(362mm)
	15-7/8"		CGD*		Front Section View			DPN001214
		(403mm)
	Left Side Section View			(Left Front Panel Not Shown)				Rev. 1
			X			Y	Connection Size / Opening
Point		Description	inches (mm)			inches (mm)		inches (mm)
W1 3		Water/Glycol/GLYCOOL Access (Bottom)	102-15/16 (2615)			9 (229)	3-1/2 x 8 (89 x 203)
W2 3		Water/Glycol/GLYCOOL Access (Top)	102-15/16 (2615)			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	-			-		2-1/8 Cu Sweat
WR 3		Water/Glycol/GLYCOOL Return	-			-		2-1/8 Cu Sweat
CGD*		Condensate Gravity Drain	-			-		3/4 FPT
CPD		Condensate Pump Discharge (Option)	79-5/16	(2015)		11-7/8 (302)		1/2 Cu Sweat
HUM		Humidifier Supply Line	79-5/16	(2015)		9-7/8 (251)		1/4 Cu Sweat
ECS**		Econ-O-Coil Supply	78-5/8 (1998)			7-7/8 (200)		2-1/8 Cu Sweat
ECR**		Econ-O-Coil Return	78-5/8 (1998)			4-5/8 (117)		2-1/8 Cu Sweat
E1		Electrical Connection (High Voltage)	75-3/8 (1915)			30 (762)		2-1/2
E2		Electrical Connection (High Voltage)	69-7/8 (1775)			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)

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