REV : 4
REV DATE : 6/17
DPN001668
Page :1 /1
CW038 - CW084 UPFLOW MODELS W/ FORWARD CURVED BLOWERS
F
or
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: D
P
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10
40
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E
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4
UNIT PIPING CONNECTION LOCATIONS
LIEBERT CW
OPTIONAL STEAM REHEAT
OPTIONAL HOT WATER REHEAT
(3-WAY VALVE)
HOT WATER REHEAT COIL
ACTUATOR
RETURN
SUPPLY
Y-STRAINER
STEAM REHEAT COIL
ACTUATOR
SUPPLY
Y-STRAINER
RETURN
STEAM TRAP
OPTIONAL PLENUM REHEAT SCHEMATICS
C
- Steam Reheat Supply Line.
F
- Hot Water Reheat Return Line.
E
- Steam Reheat Return Line(Field install
factory supplied steam trap with vacuum
breaker).
D
- Hot Water Reheat Supply
Line.
NOTE: Install all piping
per local codes.
PLENUM LEFT
END PANEL
PLENUM FIELD PIPING LOCATIONS
For separate steam or hot water plenum in UPFLOW units, piping
may exit through bottom, top or sides by field
cutting an opening in a suitable location. Steam or hot water plenum
piping connections are located at the left side of the plenum.
UNIT FIELD PIPING LOCATIONS
Piping stubbed out inside unit end compartment for field
connection through 2 5/8" x 10 3/4" (66 x 273mm)
opening as shown. Piping may also exit through bottom or top of
end compartment by field cutting an opening in a suitable location
(except bottom return air units).
A
- Chilled Water Supply Line.
(Line is stubbed down, field
install elbow for side
connection).
B
- Chilled Water Return Line.
(Line is stubbed down, field
install elbow for side
connection).
1/4" OD CU Humidifier Water
Supply Line.
Piping outlet location on units
w/rear return option.
UNIT LEFT
END PANEL
Condensate Drain. Field pitch a min. of
1/8" (3mm) per ft. (305mm). 3/4" NPT
for units without factory installed
condensate pump. Do not install an
external trap.
1/2" OD CU for units with factory
installed condensate pump.
CW038
1 3/8
1 3/8
CW041
CW051
CW060
CW076
CW084
Factory Provided Piping Connection Sizes in.
1 5/8
2 1/8
1 5/8
2 1/8
A
OD CU
B
OD CU
C
NPT FEMALE
D
OD CU
E
NPT FEMALE
1/2
5/8
MODELS
3/4
7/8
1/2
5/8
3/4
7/8
F
OD CU
1"
25mm
Rear Panel
1 1/32"
26mm
2 5/8"
67mm
10 3/4"
273mm
7 1/2"
190mm
OPTIONAL HOT WATER REHEAT
(2-WAY VALVE)
RETURN
ACTUATOR
SUPPLY
Y-STRAINER
HOT WATER REHEAT COIL
Содержание Liebert CW 038
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