Liebert DS ユーザーズマニュアル
Piping Schematics
102
Figure 77 Primary connection locations—upflow, air-cooled, 53-77kW (15-22 ton), semi-hermetic
compressor models
Point
Description
X
inches (mm)
Y
inches (mm)
Connection Size / Opening
inches (mm)
R1
Refrigerant Access (Top)
83-3/4 (2127)
1-7/8 (48)
22-1/2 x 15-3/16 (572 x 386)
R2
Refrigerant Access (Bottom)
86 (2184)
13-7/8 (352)
16-7/16 x 4 (418 x 102)
53kW (15 ton)/70 & 77kW (20 & 22 ton)
L1
Liquid Line System 1
97 (2464)
16-3/4 (425)
1/2 / 5/8 Cu Sweat
L2
Liquid Line System 2
93-5/16 (2370)
16-3/4 (425)
1/2 / 5/8 Cu Sweat
G1
Hot Gas Discharge 1
90-5/8 (2302)
16-5/8 (422)
7/8 / 1-1/8 Cu Sweat
G2
Hot Gas Discharge 2
88 (2235)
16-5/8 (422)
7/8 / 1-1/8 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)
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)
NOTES:
1. Drawing not to scale.
2. Tolerance on all piping dimensions
is ± 1/2" (13mm).
3. Field routed alternatives for refrigerant
gas and liquid line connection points.
4. See submittal page DPN001191 for
blower outlet and deck dimensional data.
1. Drawing not to scale.
2. Tolerance on all piping dimensions
is ± 1/2" (13mm).
3. Field routed alternatives for refrigerant
gas and liquid line connection points.
4. See submittal page DPN001191 for
blower outlet and deck dimensional data.
6"
(152mm)
20-1/16"
(509mm)
Factory Location
DPN001212
Rev. 2
Rev. 2
LEFT SIDE SECTION VIEW OF UNIT
FRONT SECTION VIEW OF UNIT
(Left Front Panel Not Shown)
14-1/4"
(362mm)
15-7/8"
(403mm)
3-7/8"
(98mm)
17-3/16"
(437mm)
TOP VIEW OF UNIT
All dimensions from
rear corner of unit
including panels
rear corner of unit
including panels
X
O
Y
16-7/16"
(418mm)
15-3/16"
(386mm)
22-1/2"
(572mm)
35"
(889mm)
109" (2769mm)
Blower
Outlet
Blower
Outlet
4"
(102mm)
Front of Unit
* 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
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
3
3
3