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7
GB-4
 
1. READ BEFORE OPERATING
2. OPEATION
Function indicators on indoor unit display panel
Infrared signal receiver
Operation lamp
Timer lamp
Manual button
This switch is used for after-sales
service purpose only,the user
should not push it.
Illuminate during TIMER operation
Illuminate during DEFROST
operation
Receive the signal from remote
controller
Illuminate during operation
DEF./FAN lamp
DISPLAY
All the pictures in this manual are for explanation purpose only. They may be slightly different from the air conditioner you
purchased (Model dependent).The actual shape shall prevail.
A guide on using the remote controller (or wired controller) is included in this literature packaged.
NOTE
2.1 OPEATING CONDITIONS
2.2 HINTS FOR ECONOMICAL OPERATION
Adjust the temperature to achieve moderate comfort levels. Excessively low or high temperatures waste energy.
Improve performance by keeping windows and doors closed.
Limit energy usage [run time] by using the TIMER function.
Do not block air inlets or outlets. Poor performance, increased running costs and reduced product life will result.
Inspect the air filters periodically, and clean them when needed.
Disconnect the power source if unit will not be used for a long period.
Lower limit
Opeating Conditions
Upper limit
Indoor Outdoor
46
°C DB
Upper limit
Heating Operation
Lower limit
Cooling Operation
Note: DB - Dry Bulb
18
°C DB
32
°C DB
27
°C DB
-10
°C DB
0
°C DB
24
°C DB
-15
°C DB
Optimum performance will be achieved within these operating temperatures.
When the unit operates above or below these conditions for a long time, system diagnostics may detect a
malfunction and the unit will not operate properly.
Room relative humidity - less than 80%. If the air conditioner operates outside this range, the surface of the
air conditioner may attract condensation.
5


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