Friedrich 24,000 BTU/h - Manual (Page 20)

18
Service & Warranty
Servicing / Chassis Quick Changeouts
.
Routine Maintenance
Performing Routine Maintenance
Replace Air Filter
With the proper maintenance and care, your system will
operate economically and dependably. Maintenance can be
accomplished easily by referring to the following directions.
However, before performing any maintenance, see above
stated WARNING.
Electrical shock hazard.
WARNING
Pull out electrical disconnect on front of
the chassis and turn off all power to unit
before servicing.
Failure to do so can result in property
damage, personal injury and/or death.
Cut/Sever Hazard
CAUTION
Some edges may be sharp, use gloves
or other hand protection when handling
unit.
Failure to do so can result in minor to
moderate personal injury.
Lint and dirt
on the indoor-air coil can damage your unit.
To Remove the Chassis from the Closet:
A. Switch the wall Thermostat off.
B. Pull the Power Disconnect located in the front of the chassis.
C. Disconnect the power coming into the unit from the main
breaker panel or the closet mounted disconnect.
D. Disconnect the electrical connection.
E. Disconnect the duct work.
F. Slide the chassis out of the wall plenum.
G. Lift the chassis out of the utility closet.
Inspect and Clean Indoor-air Coil
Inspect Outdoor-Air (OA) Intake and Exhaust
Inspect and Clean Condensate Drain
Warranty
supply depots.
and could damage it.
All warranty service work must be done by an authorized
servicer. See Product Warranty, and consult your dealer
or contractor for details.
NOTE: Do not operate your system without a filter in
place or block the front of the unit return air opening.
Electronic Control Error Code
Diagnostic and Test Mode
Error Code Diagnostics
The VPAK electronic control continuously monitors the
Vert-I-Pak unit operation and will store error codes if certain
conditions are witnessed. In some cases the unit may
takeaction and shut the unit off until conditions are corrected.
To access the error code menu press the 'ENTER' button
If error codes are present they will be displayed. If multiple codes
exist you can toggle between error codes using the 'SCROLL'
button. To clear all codes press the 'ENTER' and 'SCROLL'
for three seconds while in the error code mode.
To exit without losing codes press the 'LOW FAN' button.
buttons