Emerson Liebert DS Series, User Manual

Page: 125 / 167

Piping Schematics
115
Figure 88 Primary connection locations downflow water/glycol/GLYCOOL 105kW (30 tons) all compressor
models, with EC fan
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 (89) X 8" (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)*
87-3/8 (2220) 31 (787) 3/4 FPT"
W/Optional Pump 83-13/16 (2129) " 30 (762) 1/2 Cu Sweat
HUM Humidifier Supply Line 85-5/16 (2167) 32-1/2 (825) 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
HS Hot Water Reheat Supply CONSULT FACTORY
HR Hot Water Reheat Return CONSULT FACTORY
E1 Electrical Conn. (High Volt) 98-1/8 (2492) 31 (788) 2-1/2"
E2 Electrical Conn. (High Volt) 91 (2311) 31 (788) 2-1/2"
LV1 Electrical Conn. (Low Volt) 2 (51) 29 (737) 7/8"
LV2 Electrical Conn. (Low Volt) 2 (51) 30-7/8 (784) 7/8"
LV3 Electrical Conn. (Low Volt) 2 (51) 32 (813) 7/8"
B1 Blower Outlet 4-1/2 (114) 33 (838) 77-3/8 x 30 (1965 x 762)
* 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
Note: Drawing not to scale.
Tolerance on all piping
dimensions is ± 1/2" (13mm).
FRONT VIEW
FRONT OF UNIT
SECTION A-A
BLOWER
OUTLET
All dimensions from
rear corner of unit
including panels
ECS
ECR
E1 E2
HUM
35"
(889mm)
132" (3353mm)
8" (203mm)
3-1/2"
(89mm)
W
WS
WR
CD
B1
LV1
LV2
LV3
O
X
Y
A
DPN002153
Rev. 0