GREE Air-ccoled Closed Control Unit Service Manual
1. Naming Convention of Products
JK-Closed Control Air Conditioner
Cooling Down
Method and
Structure
Omitted—Water-cooled Packaged Unit
F—Air-cooled Split Unit
Y—Ethylene Glycol-cooled Split Unit
Omitted—Cooling Only Unit
D—Cooling Only Unit +Electric Heater+
Humidifier
Z—Cooling Only Unit+ Refrigerant plus Heater
Nominal Cooling Capacity--number kW
Omitted-Three-phase (380V 3N~ 50Hz)
D-Single-phase (220V ~ 50Hz)
The Direction of Air
Intake and
Discharge
C—Direct Air Supply
SX—Top Air Intake and Botton Air
Discharge(air supplied from floor)
QS—Front Air Intake and Top Air Discharge
(air duct is connected)
Omitted—Compressor Indoors
W—Compressor Outdoors
The Outdoor Unit
Number of
Combination
Omitted—One Outdoor Unit
2—Two Outdoor Units
Omitted-Fixed frequency
P-AC Inverter
Pd-DC Inverter
Omitted—Routine
Y—Long Distance Monitoring
Omitted—R22
N—R407c
Na—R410A
Codes of Indoor and
Outdoor Units
Omitted—Complete Unit and Integral Type
I—Indoor Units
O—Outdoor Units
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