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178113-BIM-D-0906
Table 3: ZW-15 thru -25 Unit Accessory Weights
Unit Accessory
Economizer
Power Exhaust
1
Electric Heat
2
Gas Heat
Double Wall
Motorized Damper
Barometric Damper
Econ./Motorized Damper Rain Hood
Econ./Power Exhaust Rain Hood
Wood Skid
Roof Curb
1. Weight given is for the maximum heater size available (54KW).
2. Weight given is for the maximum number of tube heat exchangers available (8 tube).
BLOWER
COMPARTMENT
ACCESS
(Auxiliary)
Figure 5: ZW-15 thru -25 Unit Dimensions Front View
Table 4: Utilities Entry
Opening Size
Hole
Diameter
1-1/8" KO
A
3/4" NPS (Fem.)
3-5/8" KO
B
3" NPS (Fem.)
C
2-3/8" KO
D
1-11/16" Hole
1. One-inch Gas Piping NPT Required.
2. Opening in the bottom to the unit can be located by the slice in the
insulation.
Note: All entry holes should be sealed to prevent rain water entry
into building.
Unitary Products Group
Shipping
165
250
40
240
260
150
50
60
95
220
190
BLOWER
MOTOR
ACCESS
BLOWER
ACCESS
DOT PLUG
52-5/8
(For pressure
drop reading)
GAS OR ELECTRIC
HEAT
ACCESS
VENT AIR
OUTLET
HOODS
COMBUSTION
AIR INLET HOOD
(C) GAS
SUPPLY
ENTRY
136-1/4
CONTROL BOX
ACCESS
UNIT BASE RAILS
Shown separately to illustrate
Bottom Duct openings. Power
and Gas Piping Connection
(D)
location.
GAS SUPPLY
ENTRY
NOTE:
For curb mounted units, refer to the curb hanger
dimensions of the curb for proper size of the
supply and return air duct connections.
Used For
Control Wiring
Bottom
Power Wiring
Bottom
Gas Piping (Front)
Gas Piping (Bottom)
Weight (lbs.)
Operating
160
245
40
240
260
150
45
55
90
220
185
ECONOMIZER / MOTORIZED DAMPER
FIXED OUTDOOR INTAKE AIR AND
POWER EXHAUST RAIN HOODS
(See detail Y)
180-19/32
21.00
9-3/4
7-1/8
6-3/8
5
46-5/8
11-1/2
5-7/8
35
BOTTOM SUPPLY
AND RETURN
35-1/4
AIR OPENINGS
RETURN
(See Note)
AIR
33
SUPPLY
2-3/4
AIR
21-1/2
11-1/8
8-1/8
(A) CONTROL WIRING
12-1/2
ENTRY
46-5/8
9-1/4
9-3/4
Front
Front
1
1,2
COMPRESSOR ACCESS
COIL
GUARD
KIT
CONDENSER
COILS
(A) CONTROL WIRING
92
ENTRY
DISCONNECT
SWITCH
LOCATION
(B) POWER
All dimensions are in inches.
WIRING
They aresubject to change without notice.
ENTRY
Certified dimensions will be provided
upon request.
3-3/4
(B) POWER WIRING
ENTRY
9
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