User manual

Piping Schematics
Liebert
®
DS
™
106
Figure 78 Primary connection locations—downflow, air-Cooled, 28-42kW (8-12 ton) with scroll
compressor models
Point Description
X
inches (mm)
Y
inches (mm)
Connection Size / Opening
inches (mm)
R Refrigerant Access 59-5/16 (1507) 14-3/4 (375) 11-3/16 x 4 (284 x 102)
L1 Liquid Line System 1 69-15/16 (1776) 16-13/16 (411) 1/2 Cu Sweat
L2 Liquid Line System 2 67-5/8 (1718) 16-13/16 (411) 1/2 Cu Sweat
G1 Hot Gas Discharge 1 65-1/2 (1664) 16-13/16 (411) 5/8 Cu Sweat
G2 Hot Gas Discharge 2 62-7/16 (1586) 16-13/16 (411) 5/8 Cu Sweat
CD
Condensate Drain*
(infrared humidifier or no humidifier)
46 (1168) 29-1/2 (749) 3/4 FPT
Condensate Drain*
(steam generating humidifier)
46 (1168) 29-1/2 (749) 1-1/4 FPT
W/ Optional Pump 46 (1168) 29-1/2 (749) 1/2 Cu Sweat
HUM Humidifier Supply Line 53-1/2 (1359) 29 (737) 1/4 Cu Sweat
ECS Econ-O-Coil Supply 54-7/8 (1394) 22-9/16 (573) 1-5/8 Cu Sweat
ECR Econ-O-Coil Return 49-3/8 (1254) 30-3/4 (781) 1-5/8 Cu Sweat
E1 Electrical Connection (High Volt) 55-1/2 (1410) 31-1/4 (794) 2-1/2
E2 Electrical Connection (High Volt) 52-7/16 (1332) 31-1/4 (794) 2-1/2
LV1 Electrical Connection (Low Volt) 2-1/4 (57) 27 (686) 7/8
LV2 Electrical Connection (Low Volt) 2-1/4 (57) 29 (737) 7/8
LV3 Electrical Connection (Low Volt) 2-1/4 (57) 31 (787) 7/8
B Blower Outlet 21-15/16 (557) 18-1/16 (459) 18-3/4 x 16-1/16 (476 x 408)
* 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.
Source: DPN000804, Rev. 3
FRONT VIEW
L1
L2
G1
G2
R
ECS
ECR
E1
E2
HUM
CD
B
LV1
O
X
Y
A
A
NOTE: Drawing not to scale.
Tolerance on
all piping dimensions
is ± 1/2" (13mm).
4" (102mm)
11-3/16"
(284mm)
BLOWER
OUTLET
ALL DIMENSIONS FROM
REAR CORNER OF UNIT
INCLUDING PANELS
16-1/16"
(408mm)
35"
(889mm)
73"
(1854mm)
LV2
LV3
SECTION A-A
FRONT OF UNIT
DPN000804
Rev. 3