Installation InstructionsSERVICINGWARNING: Risk of Electric Shock,can cause injury or death. Before servicing,switch power off at the service panel and lockthe area to prevent power from being switchedon accidentally. When the area cannot be locked,securely fastena prominent warning device, such as a tag,to the service panel.NOTE: We strongly recommend that any servicingbe performed by a qualified individual.For ease of service, the unit can be removedfrom the case:1. Remove the front case panel.2. Unplug the power cord and disconnect the wallthermostat connections.3. Raise the top duct by turning all four case top ductadjusting screws counterclockwise.4. Remove the front and/or side case-to-unit groundingscrew, if present.5. Slide the unit out of the case.22FINAL CHECKReview this Checklist before restoring power.• Correct line voltage?• Single circuit only?• HVACR type breaker/fuse?• Ductwork connected?• Case and unit level?• Wall plenum caulked? Level? Flashing?• Drain connected?• Wall thermostat wired correctly?• Unit wired correctly?• Hydronic plumbing connections (if applicable)• Hydronic wiring connections (if applicable)8CONNECT POWER1. If all the above items are correct, turn the poweron at the main service panel.2. Turn the unit power switch, on the front of the unit,to ON by pressing the top of the switch in.9