Figure 76 Primary Connection Locations-Downflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic; Compressor Models - Emerson Liebert DS Series User Manual

Figure 76 Primary connection locations—downflow, air-cooled, 28-42kW (8-12 ton), semi-hermetic

compressor models

NOTE: Drawing not to scale.
Tolerance on
all piping dimensions
is ± 1/2" (13mm).
L1 L2 G1 G2
4" (102mm)
16-7/16"
(418mm)
Point Description
R Refrigerant Access
L1 Liquid Line System 1
L2 Liquid Line System 2
G1 Hot Gas Discharge 1
G2 Hot Gas Discharge 2
Condensate Drain*
(infrared humidifier or no humidifier)*
CD Condensate Drain*
(steam generating humidifier)*
W/ Optional Pump
HUM Humidifier Supply Line
ECS Econ-O-Coil Supply
ECR Econ-O-Coil Return
E1 Electrical Connection (High Volt)
E2 Electrical Connection (High Volt)
LV1 Electrical Connection (Low Volt)
LV2 Electrical Connection (Low Volt)
LV3 Electrical Connection (Low Volt)
B Blower Outlet
* Field-pitch condensate drain line a minimum of 1/8" (3.2mm) per foot (305mm). 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.
A
FRONT VIEW
SECTION A-A
R
ECS
HUM
CD
ECR
E1 E2
FRONT OF UNIT
86"
(2184mm)
X
inches (mm)
63 (1600)
79-3/16 (2011)
76-1/2 (1943)
73-7/8 (1876)
70-1/8 (1780)
46 (1168)
46 (1168)
46 (1168)
53-1/2 (1359)
54-7/8 (1394)
49-3/8 (1254)
55-1/2 (1410)
52-7/16 (1332)
2-1/4 (57)
2-1/4 (57)
2-1/4 (57)
21-15/16 (558)
103
ALL DIMENSIONS FROM
A
REAR CORNER OF UNIT
INCLUDING PANELS
16-1/16"
BLOWER
(408mm)
OUTLET
B
Y Connection Size / Opening
inches (mm)
13-13/16 (351)
16-3/4 (425)
16-3/4 (425)
16-3/4 (425)
16-3/4 (425)
29-1/2 (749)
29-1/2 (749)
29-1/2 (749)
29 (737)
22-9/16 (573)
30-3/4 (781)
31-1/4 (794)
31-1/4 (794)
27 (686)
29 (737)
31 (787)
18-1/16 (459) 18-3/4 x 16-1/16 (476 x 408)
Piping Schematics
X
O
Y
35"
(889mm)
LV1
LV2
LV3
DPN000803
Rev. 3
inches (mm)
16-7/16 x 4 (418 x 102)
1/2 Cu Sweat
1/2 Cu Sweat
5/8 Cu Sweat
5/8 Cu Sweat
3/4 FPT
1-1/4 FPT
1/2 Cu Sweat
1/4 Cu Sweat
1-5/8 Cu Sweat
1-5/8 Cu Sweat
2-1/2
2-1/2
7/8
7/8
7/8