Figure 5-11 Piping Connections, Downflow, Cw106 And Cw114 With Forward-Curved Blowers - Emerson CW026 Design Manual

Figure 5-11 Piping connections, downflow, CW106 and CW114 with forward-curved blowers

Monitoring
Panel
B - Chilled Water Return Line
3 Way only.
A - Chilled Water Supply Line
- Chilled Water RETURN LINE
on units with HIGH PRESSURE
2 WAY VALVE ONLY.
B - Chilled Water Return Line
- Chilled Water SUPPLY LINE
on units with HIGH PRESSURE 2
WAY VALVE ONLY.
SUPPLY
Y-STRAINER
STEAM HUMIDIFIER
STEAM TRAP
RETURN
OPTIONAL STEAM HUMIDIFIER
ACTUATOR
SUPPLY
Y-STRAINER
RETURN
STEAM TRAP
OPTIONAL ST EAM REHEAT
A
Model Number OD Cu
CW106 2-1/8
CW114 2-5/8
Piping Connections—Downflow Models with Forward-curved Blowers
OPTIONAL REHEAT SCHEMATICS
STEAM REHEAT COIL
Piping Connections, in.
B
OD Cu
2/1/8
2-5/8
3/4" NPT Steam Generating Canister Humidifier Drain. Field pitch a
min. of 1/8" (3mm) per ft. (305mm). Do not install an external trap.
1/4" OD CU Humidifier Water Supply Line.
Condensate Drain. Field pitch a min. of
1/8" (3mm) per ft. (305mm). 1-1/8" NPT
for units without factory installed condensate
pump. Do not install an external trap.
1/2" OD CU for units with factory installed
condensate pumps.
1/2" NPT Male Steam Humidifier Return Line.
1/2" NPT Male Steam Humidifier Supply Line.
C-D - Steam/Hot Water Reheat Supply Line.
E-F - Steam/Hot Water Reheat Return Line.
RETURN
SUPPLY
Y-STRAINER
OPTIONAL HOT WATER REHEAT
RETURN
SUPPLY
Y-STRAINER
OPTIONAL HOT WATER REHEAT
C D
NPT Male OD Cu
3/4 7/8
63
NOTE: Install all piping
per local codes.
NOTE:
SEE APPROPRIATE CABINET
DIMENSIONAL DATA SUBMITTAL
FOR PIPING OPENING SIZES.
ACTUATOR
HOT WATER REHEAT COIL
(2-WAY VALVE)
ACTUATOR
HOT WATER REHEAT COIL
(3-WAY VALVE)
E
NPT Male
3/4
® ™
Liebert CW System Design Manual
DPN003197
Rev. 2
F
OD Cu
7/8