Piping Schematics
114
Figure 87 Primary connection locations—downflow, water/glycol/GLYCOOL, 105kW (30 ton), all
compressor models
Point Description
X
in. (mm)
Y
in. (mm)
Connection Size / Opening
in. (mm)
W Water/Glycol/GLYCOOL Access 125-15/16 (3199) 9 (229) 3-1/2 x 8 (89 x 203)
WS Water/Glycol/GLYCOOL Supply 127-7/8 (3248) 10-1/16 (256) 2-1/8" Cu Sweat
WR Water/Glycol/GLYCOOL Return 127-7/8 (3248) 13-1/4 (337) 2-1/8" Cu Sweat
CD
Condensate Drain
(infrared humidifier or no humidifier)*
83-13/16 (2129) 30 (762) 3/4" FPT
Condensate Drain
(steam generating humidifier)*
83-13/16 (2129) 30 (762) 1-1/4" FPT
W/ Optional Pump 83-13/16 (2129) 30 (762) 1/2" Cu Sweat
HUM Humidifier Supply Line 102-3/4 (2610) 31-3/4 (806) 1/4" Cu Sweat
ECS** Econ-O-Coil Supply 101-7/8 (2588) 29 (737) 2-5/8" Cu Sweat
ECR** Econ-O-Coil Return 94-9/16 (2402) 29 (737) 2-5/8" Cu Sweat
E1 Electrical Conn. (High Volt) 98-1/4 (2496) 30 (762) 2-1/2"
E2 Electrical Conn. (High Volt) 88-7/16 (2246) 30 (762) 2-1/2"
LV1 Electrical Conn. (Low Volt) 2 (51) 27-1/2 (796) 7/8"
LV2 Electrical Conn. (Low Volt) 2 (51) 30-1/4 (768) 7/8"
LV3 Electrical Conn. (Low Volt) 2 (51) 32 (813) 7/8"
B1 Blower Outlet 28-1/4 (718) 18 (457) 14-1/2 x 15-7/8 (368 x 403)
B2 Blower Outlet 52 (1321) 18 (457) 14-1/2 x 15-7/8 (368 x 403)
B3 Blower Outlet 75-11/16 (1922) 18 (457) 14-1/2 x 15-7/8 (368 x 403)
* 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 (4 piping system).
A
A
ECS
ECR
E1
E2
CD
B1
O
X
Y
B2
B3
HUM
W
WS
WR
FRONT VIEW
LV1
NOTE: Drawing not to scale.
Tolerance on all piping
dimensions is ± 1/2" (13mm).
3-1/2"
(89mm)
BLOWER
OUTLET
ALL DIMENSIONS FROM
REAR CORNER OF UNIT
INCLUDING PANELS
35"
(889mm)
LV2
LV3
SECTION A-A
FRONT OF UNIT
15-7/8"
(403mm)
TYP
131" (3327mm)
BLOWER
OUTLET
BLOWER
OUTLET
14-1/2"
(368mm)
TYP
8"
(203mm)
DPN001015
Rev. 3
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