Emerson CW026 User Manual

Piping Connections—Downflow Models with Forward-curved Blowers
63 Liebert
®
CW
™
System Design Manual
Figure 5-11 Piping connections, downflow, CW106 and CW114 with forward-curved blowers
Piping Connections, in.
Model Number
A
OD Cu
B
OD Cu
C
NPT Male
D
OD Cu
E
NPT Male
F
OD Cu
CW106 2-1/8 2/1/8
3/4 7/8 3/4 7/8
CW114 2-5/8 2-5/8
OPTIONAL STEAM HUMIDIFIER
OPTIONAL ST EAM REHEAT
OPTIONAL HOT WATER REHEAT
OPTIONAL HOT WATER REHEAT
(2-WAY VALVE)
(3-WAY VALVE)
HOT WATER REHEAT COIL
Y-STRAINER
SUPPLY
RETURN
ACTUATOR
HOT WATER REHEAT COIL
Y-STRAINER
SUPPLY
RETURN
ACTUATOR
SUPPLY
RETURN
STEAM TRAP
STEAM HUMIDIFIER
Y-STRAINER
ACTUATOR
STEAM REHEAT COIL
STEAM TRAP
RETURN
Y-STRAINER
SUPPLY
OPTIONAL REHEAT SCHEMATICS
NOTE: Install all piping
per local codes.
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.
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.
B - Chilled Water Return Line
3 Way only.
A - Chilled Water Supply Line
- Chilled Water R
ETURN LINE
on units with HIGH PRESSURE
2 WAY VALVE ONLY.
B - Chilled Water Return Line
- Chilled Water S
UPPLY LINE
on units with HIGH PRESSURE 2
WAY VALVE ONLY.
NOTE:
SEE APPROPRIATE CABINET
DIMENSIONAL DATA SUBMITTAL
FOR PIPING OPENING SIZES.
Monitoring
Panel
DPN003197
Rev. 2

Emerson CW026 Specifications

General

Brand	Emerson
Model	CW026
Category	Air Conditioner
Language	English