Piping Schematics
121
Figure 94 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 (four-pipe system)
NOTES:
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.
6"
(152mm)
DPN001214
Rev. 1
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
35"
(889mm)
109" (2769mm)
3-1/2"
(89mm)
8"
(203mm)
2-7/8"
(73mm)
Front of Unit
Blower
Outlet
Blower
Outlet
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