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EN
Air conditioner operating conditions
For proper performance, operate the air conditioner under the following temperature conditions:
Cooling operation
Outdoor temperature
: 23 °F to 122 °F (-5 °C to 50 °C) *
Room temperature
: 70 °F to 90 °F (21 °C to 32 °C) (Dry bulb temperature),
59 °F to 75 °F (15 °C to 24 °C) (Wet bulb temperature)
[CAUTION]
Room relative humidity – less than 80%. If the air conditioner operates in excess of this
figure, condensation may occur on the surface of the air conditioner.
Heating operation
Outdoor temperature
: -13 °F to 60 °F (
-
25 °C to 15.5 °C) (Wet bulb temperature)
Room temperature
: 59 °F to 82 °F (15 °C to 28 °C) (Dry bulb temperature)
If the air conditioner is used outside of the above conditions, the safety protection may activate.
11
Maintenance
WARNING
Cleaning the air filter and other parts of the air filter involves dangerous work in high places, ask a qualified
service person to do it.
Do not attempt to do it by yourself.
To avoid the possibility of electric shock, always turn off the system’s power before performing any system
cleaning or maintenance. Turn off the outdoor disconnect switch located near the outdoor unit.
Operating the system with dirty filters may damage the indoor unit and could cause reduced cooling
performance.
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. Refer
to the following table.
Periodic Maintenance
NOTE
The high static ducted type and slim ducted type are not equipped with an air filter when shipped from the factory.
The type of air filter (field supplied), installation position, and maintenance method vary depending on the local duct
design. For details, contact the contractor or dealer from whom you purchased the product.
INDOOR UNIT
EVERY MONTH
EVERY 4 MONTHS
EVERY YEAR
Clean Air Filter*
1
Clean Drain Pan
Clean indoor heat exchanger*
2
Clean fan*
2
Change Remote Control Batteries
1
1
1
1
1
OUTDOOR UNIT
EVERY MONTH
EVERY 4 MONTHS
EVERY YEAR
Clean Outdoor heat exchanger from Outside
Clean Outdoor heat exchanger from Inside*
2
Blow Air Over Electric Parts*
2
Check Electric Connection Tightening*
2
Clean Fan Wheel*
2
Check Fan Tightening*
2
Clean Drain Pans*
2
1
1
1
1
1
1
1
*1: Increase frequency in dusty zones.
*2: Maintenance to be carried out by qualified service personal.
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28-EN