OG-40MBFQ-04 Specifications subject to change without notice. 13
CLEANING, MAINTENANCE AND TROUBLESHOOTING
Periodic Maintenance
Periodic maintenance is recommended to ensure proper operation of the
unit. Recommended maintenance intervals may vary depending on the
installation environment, e.g., dusty zones, etc. Refer to Table 2 on page 15.
Cleaning the Coil
Clean the coil at the beginning of each cooling season, or when
necessary. Use a vacuum cleaner or a long-bristle brush to avoid
damage to the coil fins.
Cleaning the Air Filters
Remove and clean the air filters once a month. A clogged air
conditioner can reduce the cooling efficiency of your unit, and can
also be bad for your health.
NOTE: If air filters show signs of excessive wear or are torn, they
must be replaced. Contact your local dealer for replacement filters.
1. Open the front panel.
Fig. 25 — Open the front panel
Fig. 26 — Open the front panel
2. Remove the air filter.
Fig. 27 — Remove the air filter
Fig. 28 — Remove the air filter
Fig. 29 — Remove the air filter
3. Remove the carbon filter. Hold the frame’s tabs and remove the
four claws. The carbon filter can be renewed by washing it with
water once every 6 months.
NOTE: The manufacturer recommends that the carbon filter
be replaced every year.
ELECTRICAL SHOCK HAZARD
Failure to follow this caution may result in personal injury or death.
Always turn off power to the system before performing any cleaning
or maintenance to the system. Turn off the outdoor disconnect switch
located near outdoor unit. Be sure to disconnect the indoor unit if on a
separate switch.
CAUTION
EQUIPMENT DAMAGE/OPERATION HAZARD
Failure to follow this caution may result in equipment damage or
improper unit operation.
Operating the system with dirty air filters may damage the indoor
unit and could cause reduced cooling performance, intermittent
system operation, frost build-up on indoor coil or blown fuses.
CAUTION
CUT HAZARD
Failure to follow this caution may result in personal injury. The coil
fins are very sharp. Use caution when cleaning.
Always wear safety protection.
CAUTION
Air Inlet
Sizes 18-58
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