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Factory Installed Option—
Field Set Up
WARNING
Hazardous Voltage w/Capacitors!
Failure to disconnect power and discharge capacitors
before servicing could result in death or serious injury.
Disconnect all electric power, including remote
disconnects and discharge all motor start/run
capacitors before servicing. Follow proper lockout/
tagout procedures to ensure the power cannot be
inadvertently energized. Verify with a CAT III or IV
voltmeter rated per NFPA 70E that all capacitors have
discharged.
NOTICE
Equipment Damage!
Forcibly turning the motor shaft can damage the gear
train and motor beyond repair. Never turn the motor
shaft by hand or with a wrench.
Each economizer ships inside the unit and requires partial
assembly and setup in the field.
1. Remove economizer end panel and filter access door.
See
Figure
14.
Figure 14. Access panel removal
3
ACC-SVN203C-EN
2. Remove items 4, 5, 6, 7, 8, 9, 10, 12, and 13 from the
economizer section as shown in
Figure 15. Economizer parts — factory installed
Bag with items
11, 12, 13,
14, 15 & 16
3. Remove economizer block off. See
4. Build the fresh air hood assembly is shown in
p.
8.
5. Install the fresh air hood onto the unit using nine
screws. See
6. Using field supplied silicone sealant, seal all seams,
cracks and gaps around the outdoor air damper as
illustrated in
2
Figure
1
8
Figure 9, p.
Figure 11, p.
9.
Figure 12, p.
10.
Installation
15.
10
4
5
9
7
6
9.
Figure 5,
11
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