Liebert DS user manual HUM E1 E2 Front of Unit

Piping Schematics

Figure 72 Primary connection locations—downflow, air-cooled, 105kW (30 ton), all compressor models

A		A	All dimensions
	Front View
Note: Drawing not to scale
Tolerance on all			from rear corner
			of unit including
piping dimensions
	Section A-A		panels	X
is ± 1/2" (13mm)					O

4" (102mm)

	15-11/16"	Blower
G1G2 R (398mm)		Outlet
L1 L2		B3
16-7/16"	ECS ECR
(418mm)		CD

Blower

Outlet

B2

Blower

Outlet

B1

LV1

LV2

LV3

Y

35"

(889mm)

HUM E1 E2 Front of Unit

131"

(3327mm)

DPN001014

Rev. 2

		X		Y	Connection Size / Opening
Point)	Description)	inches (mm)		inches (mm)	inches (mm)
R	Refrigerant Access	109 (2769)		15-3/4 (400)	16-7/16 x 4 (418 x 102)
L1	Liquid Line System 1	121-3/4	(3092)	16-3/4 (425)	5/8 Cu Sweat
L2	Liquid Line System 2	118-1/8 (3000)		16-3/4 (425)	5/8 Cu Sweat
G1	Hot Gas Discharge 1	118-1/4 (3004)		14-1/4 (362)	1-1/8 Cu Sweat
G2	Hot Gas Discharge 2	115-5/8 (2937)		14-1/4 (362)	1-1/8 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)	98-1/8 (2492)		31-1/4 (794)	2-1/2
E2	Electrical Connection (High Volt)	91 (2311)		31-1/4 (794)	2-1/2
LV1	Electrical Connection (Low Volt)	2 (51)		28-1/4 (718)	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	27-7/8	(708)	18 (457)	14-1/2 x 15-11/16 (368 x 398)
B2	Blower Outlet	52-1/16	(1322)	18 (457)	14-1/2 x 15-11/16 (368 x 398)
B3	Blower Outlet	76-1/4 (1937)		18 (457)	14-1/2 x 15-11/16 (368 x 398)

*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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