Gree HW18024PNa-D Page 21 Owner'S Manual Download

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Unitary Ducted Split AC

Wiring Diagram:

OUTDOOR UNIT

SYMBOL

NAME

XT1/XT2 TERMINAL BOARD

MAIN PCB

L1/L2

INDUCTOR

COMP

COMPRESSOR

M
C

EKV

SAT
RT1
RT2
RT3

FAN MOTOR

FAN CAPACITOR

ELECTRONIC INFLATE VALVE

HIGH PRESSURE SWITCH
LOW PRESSURE SWITCH

COMP. TEMP. SENSOR

COMP. OVER LOAD

ENVIRONMENT TEMP. SENSOR
DISCHARGE GAS TEMP. SENSOR

Fig. 26 Electric Wiring of the Outdoor Unit(

HW18024PNa-D

)

OUTDOOR UNIT

SYMBOL

NAME

XT1/XT2

TERMINAL BOARD

MAIN PCB

L1/L2

INDUCTOR

COMP

COMPRESSOR

FAN MOTOR

FAN CAPACITOR

EKV

ELECTRONIC INFLATE VALVE

HIGH PRESSURE SWITCH

SAT
RT1
RT2
RT3

LOW PRESSUR SWITCH

COMP. OVER LOAD

PIPE TEMP. SENSOR

ENVIRONMENT TEMP. SENSOR

DISCHARGE GAS TEMP. SENSOR

Fig. 27 Electric Wiring of the Outdoor Unit(

HW18036PNa-D/HW18042PNa-D

)

Summary of Contents for HW18024PNa-D

Page 1: ...you for choosing Commercial Air Conditioners please read this owner s manual carefully before operation and retain it for future reference For R410A Series Unitary Ducted Split AC Commercial Air Condi...

Page 2: ...3 Main Page 3 4 Function Setting 3 4 1 ON OFF 3 4 2 Mode 4 4 3 Fan 4 4 4 Temperature Adjustment 4 4 5 SET Parameters Functions View and Setting 5 4 6 Enter Hold 9 4 7 Lock Function 10 4 8 Error Displ...

Page 3: ...This is the safety alert symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUT...

Page 4: ...figure above or decided by the user Step 3 Conduct the wiring and see section 2 for more details Step 4 Reinstall the front panel 2 Wiring Terminals of the Wired Controller Fig 2 Wiring Terminals Diag...

Page 5: ...lit AC 3 3 Main Page Fig 3 Main Page Fan Cancel Mode Set ON OFF Enter Hold 4 Function Setting 4 1 ON OFF The controller can be turned on off by pressing this button with the corresponding ON OFF symbo...

Page 6: ...select the desirable fan option by pressing the Fan button Under the FAN ON option the fan will always keep running Under the FAN AUTO option the fan will be automatically shut down or started up in...

Page 7: ...button Fig 8 Parameters Functions View and Setting 4 5 1 DEMAND After accessing to the DEMAND page it is available to select the desired parameter by pressing the button The upper value indicates the...

Page 8: ...et press the Enter Hold button for confirmation to make this setting come effective and back to the previous interface If the setting is canceled prior to the confirmation then the related parameter w...

Page 9: ...ig 12 After the time period is selected press the Enter Hold button to make a confirmation and go the setting status for timing the time period with the HOUR blinking and adjust it through the button...

Page 10: ...hrough the or button Fig 15 After that press the Enter Hold button to make a confirmation and go back to the page shown in step and then repeat the steps for setting other time periods Fig 16 After th...

Page 11: ...anceled by pressing the Cancel button Table 4 No Function Function Code Description 01 Memory ON The function is activated OFF The function is deactivated 02 Temperature Unit C Celsius scale F Fahrenh...

Page 12: ...emperature Protection of the Outdoor Unit 7 F2 Outdoor Unit Tube Temperature Sensor Error 8 F4 Discharge Temperature Sensor Error 9 e5 Main Board Discharge Temperature Sensor Error 10 F3 Main Board Am...

Page 13: ...value will be HI The wired controller applied to the inverter unit can set the temperature from 10 37 at the COOL mode and 5 32 at the HEAT mode However 16 30 is the real range which can be recognized...

Page 14: ...ubes as directly as possible by avoiding unnecessary turns and bends 4 Leave some slack between structure and unit to absorb vibration 5 When passing refrigerant tubes through the wall seal opening wi...

Page 15: ...s contact distributor for details and PE Certification Professional Engineer if required On rooftop applications mount on level platform or frame Place unit above a load bearing wall and isolate unit...

Page 16: ...tubing lengths up to 36 inch may be buried without further special consideration Do not bury lines longer than 36 inch CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipmen...

Page 17: ...ce IMPORTANT Do not apply indoor coils which are not factory approved to these units CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Serv...

Page 18: ...cuated using the recommended deep vacuum method of 500 microns The alternate triple evacuation method may be used if the procedure outlined below is followed IMPORTANT Always break a vacuum with dry n...

Page 19: ...then be free of any contaminants and water vapor Final Tubing Check IMPORTANT Check to be certain factory tubing on both indoor and outdoor unit has not shifted during shipment Ensure tubes are not ru...

Page 20: ...of adequate size per NEC to handle unit starting current Locate disconnect within sight from and readily accessible from unit per Section 440 14 of NEC WARNING A separate air switch must be furnished...

Page 21: ...VER LOAD ENVIRONMENT TEMP SENSOR DISCHARGE GAS TEMP SENSOR Fig 26 Electric Wiring of the Outdoor Unit HW18024PNa D OUTDOOR UNIT SYMBOL NAME XT1 XT2 TERMINAL BOARD AP MAIN PCB L1 L2 INDUCTOR COMP COMPR...

Page 22: ...r at negative pressure Do not disable low pressure switch in scroll compressor applications Dome temperatures may be hot In 3 phase applications incorrect phasing will cause reverse rotation resulting...

Page 23: ...HEAT or COOL and fan control to ON or AUTO mode as desired Operate unit for 15 minutes Check system refrigerant charge 5 3 9 Final Checks IMPORTANT Before leaving job be sure to do the following 1 Ens...

Page 24: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com...

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