AUX air conditioner service manual
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c) Anti-freezing protection
The LCD numerical screen of the operation panel displays E4.
d)Overheating protection
The LCD numerical screen of the operation panel displays E5.
e)“heating” mode indication light twinkles
Under the heating mode, if the indoor fan unit stop working and last for more than 10 minutes, the
“heating” mode indication light on the operation panel twinkles.
4. Tech. Parameter
⑴Heat pump unit
Total unit
ASF-H18A4/
CZ(ZZ)
ASF-H18B4/
CZ(ZZ、P)
ASF-H24A4/
CZ(ZZ、P)
ASF-H24B4/
CZ(ZZ、P)
Indoor unit
ASF-H18A4/
C(Z)
ASF-H18B4/
C(Z、P)
ASF-H24A4/
C(Z、P)
ASF-H24B4/
C(Z、P)
Model
Items
Outdoor unit AS-H18A4/1 AS-H18B4 AS-H24A4 AS-H24B4
W 4600 5100 6100 7150 Cooling
capacity
Btu/h 15700 17400 20800 24400
W 5100+1200 5610+1200 6710+1500 7900+2100 Heating
capacity
(+auxiliary
electric
heating)
Btu/h 17400+4100 19100+4100 22300+5100 28000+7200
cooling 1750 1950 2300 2700
Rated power
consumption
W
heating 1650+1200 1.8+1200 2300+1500 2700+2100
cooling 8.1 9 10.6 12.4
Rated current
A
heating 7.6+5.5 8.3+5.5 10.6+6.8 12.4+9.5
Power supply (V/Hz) 220/50 220/50 220/50 220/50
Air circulation (m
3
/h) 780 850 950 1050
Maximum input power W 2700 3000 3450 3800
Maximum input current A 13.6 15.1 17.4 19
Refrigerant R22 R22 R22 R22
Plastic-sealed
motor model
YDK30-8B YDK30-8B YDK52-8A YDK68-8A
The rotate
speed of the
motor r/min
400/350/300 400/350/300 480/440/360 540/480/440
Indoor
unit
Output power
W
30 30 52 68