Service manual
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Capacity Btu/h 18000 18000 21000
Input W 1930 1920 2300
Rated current A 9.1 9 10.5
EER Btu/w.h 9.3 9.4
9.1, 2.7
Capacity Btu/h 20000
-----
Input W 1980
-----
Rated current A 9.2
-----
COP W/W 10.1
-----
A 9.8 10 11.3
A
36 36
Model
SHY33MC2-U SHY33MC2-U
Type
rotary rotary
Brand
Hitachi Hitachi
Capacity Btu/h 17620 17620 20600
Input W 1725 1725 2010
Rated current(RLA) A 8.1 8.1 9.5
Locked rotor Amp(LRA) A 36 36 42
Thermal protector Internal Internal Internal
Capacitor uF
50 50
Refrigerant oil ml
600 600
Model
RPG25 RPG25 RPG25
Brand WELLING WELLING WELLING
Input W
53 53
Capacitor uF
1.5uF/450V 1.5uF/450V
Speed(hi/mi/lo) r/min 1180 1180 1265
m3/h
750/710/650 750/710/650
dB(A)
41/38/35 41/38/35
Model
YDK25-6H YDK25-6H
Brand WELLING WELLING WELLING
Input W
96 96
Capacitor uF
Speed r/min
900 900
3
2000 2000 2200
dB(A) 54 54 54
g
1110 1370
MPa
2.6 2.6
Liquid side/ Gas side mm
Max. refrigerant pipe length m 15 15 20
Max. difference in level m 8 8 10
℃
17-30 17-30 17-30
℃
18-45 -7 - 45 18-45
2
25-35 25-35 34-49
Model
Power supply
Cooling
Heating
Max. current
Starting current
Compressor
Indoor
fan motor
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Outdoor
fan motor
Outdoor air flow
Operation temp
Ambient temp
Application area
Outdoor noise level
Refrigerant type R410A
Design pressure
Refrigerant
piping
Note:
The noise date is base on hemi-anechoic chamber, during actual operation; these values are normally somewhat
different as a result of ambient condition.
The above design and specifications are subject to change without prior notice for product improvement.