27 PB
REMOVE AND INSTALL THE CHASSIS
WARNING
ELECTRIC SHOCK HAZARD
Turn off electric power before service or
installation.
All electrical connections and wiring MUST be
the National Electrical Code and all local codes
which have jurisdiction.
Failure to do so can result in personal injury or
death.
WARNING
CUT/SEVER HAZARD
Be careful with the sharp edges and corners.
Wear protective clothing and gloves, etc.
Failure to do so could result in serious injury.
Servicing / Chassis Quick Changeouts
The chassis is designed for quick disconnect and change out. For minor electrical service, the control box cover lifts straight up after the
screws & disconnect head are removed. For major electrical, refrigeration and fan service the chassis may be removed from utility closet.
To Remove the Chassis from the Closet:
1. Switch off the power coming into the unit from the main breaker panel or the closet mounted disconnect.
2. Switch the wall Thermostat off.
3. Pull the Power Disconnect located in the front of the chassis.
4. Disconnect the L1 and L2 electrical connections and remove conduit from chassis.
5. Disconnect low voltage thermostat connections.
5. Disconnect the duct work.
6. Disconnect condensate drain
7. Slide the chassis out of the wall plenum.
Caution:
Do not tear Gasket during removal.
8. Remove the chassis out of the utility closet.
Reinstallation
1. Installation is the reverse of the removal above.
2. Verify that the unit is level after installation.
Adjust as required.
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