Liebert DS Top View Of Unit, Front Section View Of Unit, Left Front Panel Not Shown, Point

DPN001212 Rev. 2

Piping Schematics

Figure 77 Primary connection locations—upflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic compressor models

			22-1/2"	All dimensions from	X
				rear corner of unit
			(572mm)
				including panels
NOTES:		15-3/16"	Blower	Blower
1. Drawing not to scale.			Outlet	Outlet
2. Tolerance on all piping dimensions		35" (386mm)
is ± 1/2" (13mm).		(889mm)
		4"
3. Field routed alternatives for refrigerant			16-7/16"
		(102mm)
gas and liquid line connection points.
			(418mm)
4. See submittal page DPN001191 for
blower outlet and deck dimensional data.
			109" (2769mm)		Front of Unit
			TOP VIEW OF UNIT
6"
(152mm)
17-3/16"		20-1/16"
(437mm)		(509mm)
3-7/8"	14-1/4"
	(362mm)		Factory Location
(98mm)
	15-7/8"		FRONT SECTION VIEW OF UNIT
	(403mm)		(Left Front Panel Not Shown)
LEFT SIDE SECTION VIEW OF UNIT

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Y

*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 Cooling Systems only

		X		Y		Connection Size / Opening
Point	Description	inches (mm)		inches (mm)		inches (mm)
R1 3	Refrigerant Access (Top)	83-3/4 (2127)		1-7/8	(48)	22-1/2 x 15-3/16 (572 x 386)
R2 3	Refrigerant Access (Bottom)	86 (2184)		13-7/8	(352)	16-7/16 x 4 (418 x 102)
						53kW (15 ton)/70 & 77kW (20 & 22 ton)
L1	Liquid Line System 1	97 (2464)		16-3/4	(425)	1/2 / 5/8 Cu Sweat
L2	Liquid Line System 2	93-5/16	(2370)	16-3/4 (425)		1/2 / 5/8 Cu Sweat
G1	Hot Gas Discharge 1	90-5/8 (2302)		16-5/8	(422)	7/8 / 1-1/8 Cu Sweat
G2	Hot Gas Discharge 2	88 (2235)		16-5/8	(422)	7/8 / 1-1/8 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)	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)

102