User manual

20
3.2 TROUBLESHOOTING GUIDE
In general, possible trouble is classified in three kinds. One is called Starting Failure which is caused
from an electrical defect, another is ineffective Air Conditioning caused by a defect in the refrigeration circuit
and improper application, and the other is called the Structure Damage.
ROOM AIRCONDITIONER VOLTAGE LIMITS:
MODELS NAMEPLATE RATING MINIMUM MAXIMUM
FOR SINGLE-PHASE
POWER MODELS
220~240V 196V 253V
FOR THREE-PHASE
POWER MODELS
Phase voltage 380~420V
Single phase 220~240V
338V
196V
445V
253V
ROOM AIRCONDITIONER TEMPERATURE OPERATION LIMITS:
Cooling operation
Outdoor unit air temp.℃ DB
45
40
35
30
25
20
Indoor air temp. ℃ DB 10 15 20 25 30 35 40
Note: The chart is the result from the continuous operation under constant air temperature conditions.
However, excludes the initial pull-down stage.
Heating operation
Indoor air temp. ℃ DB
30
25
20
15
10
Outdoor unit air temp.℃ DB -5 5 15 25
Note : The chart is the result from the continuous operation under constant air temperature conditions.
However, excludes the initial pull-down stage.
DRY COOLING