User manual

Piping Schematics
119 Liebert
®
DS
™
Figure 91 Primary connection locations—upflow, air-Cooled, 28-42kW (8-12 ton), semi-hermetic
compressor models
Point Description
X
in. (mm)
Y
in. (mm)
Connection Size / Opening
in. (mm)
R1 Refrigerant Access (Top) 60-1/2 (1537) 1-7/8" (48mm) 10-1/8 x 4-1/8 (257 x 105)
R2 Refrigerant Access (Bottom) 59-3/8" (1508mm) 14-3/4" (375mm) 11-1/8 x 4 (283 x 102)
L1 Liquid Line System 1 70" (1778mm) 16-3/4 (425) 1/2" Cu Sweat
L2 Liquid Line System 2 67-5/8" (1718mm) 16-3/4 (425) 1/2" Cu Sweat
G1 Hot Gas Discharge 1 65-3/8" (1661mm) 16-5/8 (422) 5/8" Cu Sweat
G2 Hot Gas Discharge 2 63" (1600mm) 16-5/8 (422) 5/8" Cu Sweat
R3 Refrigerant Access (Side) — — 6 x 17-3/16 (152 x 437)
CGD* Condensate Gravity Drain — — 3/4" FPT
CPD Condensate Pump Discharge (Opt) 56-1/4 (1429) 11-1/8 (283) 1/2" Cu Sweat
HUM Humidifier Supply Line 56-1/4 (1429) 9-1/8 (233) 1/4" Cu Sweat
ECS** Econ-O-Coil Supply 56 (1423) 7-5/16 (186) 1-5/8" Cu Sweat
ECR** Econ-O-Coil Return 56 (1423) 4-1/2 (114) 1-5/8" Cu Sweat
E1 Electrical Conn. (High Volt) 52-3/8 (1330) 30 (762) 2-1/2"
E2 Electrical Conn. (High Volt) 46-7/8 (1191) 30 (762) 2-1/2"
LV1 Electrical Conn. (Low Volt) 19-1/2 (495) 29-1/16 (738) 7/8"
LV2 Electrical Conn. (Low Volt) 19-1/2 (495) 30-1/2 (775) 7/8"
LV3 Electrical Conn. (Low Volt) 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 Cooling Systems only
Source: DPN001119, Rev. 2
DPN001119
Rev. 2
O
X
Y
E1
E2
LV1
LV2
LV3
BLOWER
OUTLET
L1
L2
G1
G2
R2
L1
L2
G1
G2
R1
Front of Unit
3.
3.
3.
4.
NOTES:
1. Drawing not to scale.
2. Tolerance on all piping dimensions
is ± 1/2" (13mm).
Field routed alternatives for refrigerant
gas and liquid line connection points.
See submittal page DPN001120 for
blower outlet and deck dimensional data.
All dimensions from
rear corner of unit
including panels
73" (1854mm)
LEFT SIDE SECTION
35"
(889mm)
Factory Location
FRONT SECTION
TOP VIEW
CGD*
CGD*
R3
6"
(152mm)
17-3/16"
(437mm)
3-7/8"
(98mm)
14-1/4"
(362mm)
15-7/8"
(403mm)
4
3
4-1/8" (105mm)
10-1/8"
(257mm)
HUM
CPD
ECR
ECS
11-1/8"
(283mm)
4" (102mm)
17-1/16"
(434mm)
(Left Front Panel Not Shown)
3
3
3