Liebert DS User Manual
Piping Schematics
104
Figure 79 Primary connection locations—upflow, water/glycol/GLYCOOL, 53-77kW (15-22 ton), all
compressor models
Point
Description
X
inches (mm)
Y
inches (mm)
Connection Size / Opening
inches (mm)
W1
Water/Glycol/GLYCOOL Access (Bottom)
102-15/16 (2615)
9 (229)
3-1/2 x 8 (89 x 203)
W2
Water/Glycol/GLYCOOL Access (Top)
102-15/16 (2615)
9 (229)
3-1/2 x 8 (89 x 203)
W3
Water/Glycol/GLYCOOL Access (Side)
-
-
6 x 17-3/16 (152 x 437)
WS
Water/Glycol/GLYCOOL Supply
-
-
2-1/8 Cu Sweat
WR
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)
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)
DPN001214
Rev. 1
Rev. 1
Front
W3
WS
WR
CGD
CGD
CGD*
Top View
Left Side Section View
Front Section View
(Left Front Panel Not Shown)
8"
(203mm)
6"
(152mm)
3-7/8"
(98mm)
17-3/16"
(437mm)
Blower
Outlet
Blower
Outlet
35"
(889mm)
2-7/8"
(73mm)
3-1/2"
(89mm)
LV1
LV2
LV3
LV2
LV3
14-1/4"
(362mm)
15-7/8"
(403mm)
All dimensions from
rear corner of unit
including panels
rear corner of unit
including panels
NOTE
1. Drawing not to scale.
2. Tolerance on all piping dimensions
is
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.
connections.
4. See submittal page DPN001191 for
blower outlet and deck dimensional data.
4
4
3
3
3
3
3
3