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Table 3: XA-15, XA-20 Unit Accessory Weights
Unit Accessory
Economizer
Power Exhaust
1
Electric Heat
2
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
(72KW).
2. Available on XA-20 only.
BLOWER
COMPARTMENT
ACCESS
(Auxillary)
DOT PLUG
(For pressure
drop reading)
UNIT BASE RAILS
Shown separately to illustrate
Bottom Duct openings. Power
location.
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.
Figure 7: XA-20 Unit Dimensions Front View
Utilities Entry
Opening Size
Hole
Diameter
1-1/8" KO
A
3/4" NPS (Fem.)
3-5/8" KO
B
3" NPS (Fem.)
NOTE: All entry holes should be field sealed to prevent rain water
entry into the building.
Johnson Controls Ducted Systems
Weight (lbs.)
Shipping
Operating
165
160
90
85
40
40
260
260
150
150
50
45
60
55
95
90
220
220
190
185
BLOWER MOTOR
BLOWER
ACCESS
ACCESS
52-5/8
OPTIONAL
ELECTRIC HEAT
ACCESS
136-1/4
CONTROL BOX
ACCESS
35
35-1/4
Used For
Front
Control Wiring
Bottom
Front
Power Wiring
Bottom
ECONOMIZER / MOTORIZED DAMPER
FIXED OUTDOOR INTAKE AIR AND
POWER EXHAUST RAIN HOODS
180-19/32
43-3/4
14-3/4
9-3/4
5
6-7/8
5-7/8
(B) POWER
WIRING ENTRY
BOTTOM SUPPLY
AND RETURN
AIR OPENINGS
(See Note)
RETURN
AIR
33
SUPPLY
2-3/4
AIR
21-1/2
8-1/8
(A) CONTROL WIRING
12-1/2
ENTRY
9-1/4
9-3/4
COMPRESSOR ACCESS
COIL
GUARD
KIT
CONDENSER
COILS
(A) CONTROL WIRING
ENTRY
92
DISCONNECT
SWITCH
LOCATION
3-3/4
(B) POWER WIRING
ENTRY
5168274-BIM-I-1121
9
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