Service manual

Table Of Contents
AEX3M18JR
1 – 1
AEX3M18JR
Service Manual
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATION
NOTE: The condition of star ““marked item are ‘ISO5151’:
*: Representative connection
ITEMS INDOOR UNIT
AY-XPM7FR/9FR/12FR
OUTDOOR UNIT
AE-X3M18JR
Cooling capacity kW
3-INDOOR OPERATION 7K & 7K & 7K 5.2 (2.2 – 7.2)*
Heating capacity kW
3-INDOOR OPERATION 7K & 7K & 7K 6.8 (2.2 – 8.4)*
Moisture removal Liters/h 2.0
Electrical data
Phase Single
Rated frequency Hz 50
Rated voltage V 230V
Rated current
Cool A 6.5 (2.0 – 11.7)*
Heat A 7.6 (1.9 – 11.4)*
Rated input
Cool W 1410 (430– 2560)*
Heat W 1660 (420 – 2480)*
Power factor
Cool % 95
Heat % 95
Compressor
Type Hermetically sealed DC twin rotary
Model DA130A1F-28F
Oil charge Ester oil VG74
Refrigerant system
Evaporator Silt Fin and Grooved tube type
Condenser Corrugate Fin and Grooved tube type
Control Expansion valve
Name of refrigerant R410A
Refrigerant volume 1800g
Noise level (at cooling) dB(A)
High/Med/Low
7FR: 37/34/28
469FR: 39/36/28
12FR: 40/37/29
Fan system
Drive Direct drive
Air flow quantity (at cooling)
.
m
3
/min.
High/Med/Low
7FR: 8.0/7.4/5.0
339FR: 8.6/7.9/5.6
12FR: 9.0/8.6/6.1
Fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 3/8”, 1/4”
Maximum length (per unit) m 25
Maximum length (total) m 50
Maximum charge-less length m 40
Maximum height difference m 10
Drain joint mm O.Dφ18
Others
Safety device
Compressor: Thermistor
Fan motors: Thermal fuse (indoor unit).
Thermal protector (Out door unit)
Fuse, Micro computer control
Air filters Anti-mold polypropylene net of injection type (Washable)
Net dimensions Width mm 790 950 (890+60)
Height mm 278 645
Depth mm 198 323 (290+33)
Net weight kg 9 56