3
Technical Information
Service Manual
Outdoor
Unit 
Model of Outdoor Unit GWH12QB-K3DNA6D/O GWH18QD-K3DNA6E/O
Product Code of Outdoor Unit CB427W04701  CB427W06400 
Compressor Manufacturer/Trademark  Zhuhai Landa Compressor Co.; Ltd.  Zhuhai Landa Compressor Co.; Ltd. 
Compressor Model QXA-B102zE190 QXA-A091zE190
Compressor Oil  RB68EP FVC68D or RB68EP
Compressor Type Rotary Rotary
L.R.A.   A 35.00 35.00
Compressor RLA  A 4.80 4.80
Compressor Power Input W 1020  1020 
Overload Protector / /
Throttling Method Capillary Capillary
Operation temp
o
C 16~30 16~30
Ambient temp (cooling)
o
C -15~48 -15~48
Ambient temp (heating)
o
C -22~24 -22~24
Condenser  Form  Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter  mm Ф7.94 Ф7
Rows-n Gap mm 1-1.4 1-1.4
Coil Length (LXDXW)   mm 731X19.05X550 742X38.1X550
Fan Motor Speed rpm 900  900 
Output of Fan Motor W 30  30 
Fan Motor RLA  A 0.4 0.4
Fan Motor Capacitor  μF / /
Air Flow Volume of Outdoor Unit m
3
/h 2200  2200 
Fan Type Axial-ow Axial-ow
Fan Diameter mm Ф438  Ф438 
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Permissible Excessive Operating 
Pressure for the Discharge Side
MPa 4.3 4.3
Permissible Excessive Operating 
Pressure for the Suction Side
MPa 2.5 2.5
Sound Pressure Level (H/M/L)  dB (A)  54/-/- 54/-/-
Sound Power Level (H/M/L)  dB (A)  63/-/-  63/-/- 
Dimension (WXHXD)  mm 842X596X320 842X596X320
Dimension of Carton Box (LXWXH) mm 878X360X630 878X360X630
Dimension of Package (LXWXH) mm 881X363X645 881X363X645
Net Weight   kg 29.5 33
Gross Weight kg 32.5 36
Refrigerant  R410A R410A
Refrigerant Charge kg 0.90 1.1
Connection 
Pipe
Length m 5  5 
Gas Additional Charge g/m 20  20 
Outer Diameter Liquid Pipe mm Ф6 Ф6
Outer Diameter Gas Pipe mm Ф9.52 Ф9.52
Max Distance Height m 10  10 
Max Distance Length m 20  25
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.