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Air Conditioner Service Manual
Multi Inverter air conditioner
Service Manual
Models
WT009GLFI22HLD
WT012GLFI22HLD
WT018GLFI22HLD
WT024GLFI22HLD
YN020GLFI22M2D
YN030GLFI22M2D
YN040GLFI22M2D
CONTENTS
1. Important Notice
2. Product Dimensions
3. Refrigeration cycle diagram
4. Operation details
5. Wiring diagram
6. Precaution
7. Names of parts
8. Installation
9. Trouble shooting
0
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Summary of Contents for Pioneer YN030GLFI22M2D
- Page 1 Air Conditioner Service Manual Multi Inverter air conditioner Service Manual Models WT009GLFI22HLD WT012GLFI22HLD WT018GLFI22HLD WT024GLFI22HLD YN020GLFI22M2D YN030GLFI22M2D YN040GLFI22M2D CONTENTS 1. Important Notice 2. Product Dimensions 3. Refrigeration cycle diagram 4. Operation details 5. Wiring diagram 6. Precaution 7. Names of parts 8.
- Page 2 Air Conditioner Service Manual 1. Important Notice This service manual is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair the appliance may result in personal injury and property damage. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.
- Page 4 Air Conditioner Service Manual 3. Refrigeration cycle diagram TIN1 PMV1 PMV2 TIN2 PMV3 CONDENSER TIN3 PMV4 TIN4 T2B1 T2B24 T2B3 T2B4 liquid storage Optional...
- Page 6 Air Conditioner Service Manual Electronic Controller Safety Protection (1) Time Delay for Safety protection 3 minutes delay for compressor ---The compressor is ceased for 3minutes before restarting to balance the pressure in the refrigeration cycle in order to protect the compressor. ...
- Page 7 Air Conditioner Service Manual In the “Feel” mode, when the controller receives the up or down signal of temperature, the set temperature can adjust by 1℃ upper or lower. The biggest you can adjust by 2℃ upper or lower. 3.
- Page 8 Air Conditioner Service Manual Indoor pipe Temperature Temperature up ℃ Setting ℃ ℃ Low fan ℃ Breeze ℃ ℃ Stop Temperature down In heating operation, if air conditioner turn off, the indoor fan motor will run most for 30 seconds since the stop of compressor.
- Page 9 Air Conditioner Service Manual c. When -13℃≤ FrostDeg < -10℃, and OPT < FrostDeg , the .2 times defrosting interval time is 45 minutes. d. When -15℃≤ FrostDeg < -13℃, and OPT < FrostDeg , the .2 times defrosting interval time is 65 minutes.
- Page 10 Air Conditioner Service Manual temperature is set temperature and keep. When selecting HEATING operation with SLEEP mode, the set temperature will be dropped by 1℃1 hour later and 2℃ 2 hours later, after 3 hours, the set temperature will be dropped by 3℃...
- Page 11 Air Conditioner Service Manual Error list CASSETTE Outdoor light Indoor LED Failure Type blink time (n) LED1 LED2 LED3 LED4 Code ● ● ● ◎ Indoor and outdoor communication failure ◎ ◎ ● ● Outdoor communication failure ● ● ●...
- Page 12 Air Conditioner Service Manual Outdoor failure display There is a LED on outdoor power board, it blinks 1s ON and 1s OFF while compressor standby and it always light (ON) while compressor running; If there is failure happened on ODU, The indicator (LED) alerts the fault in a cycle as such that it is bright for 0.5 seconds, dark for 0.5 seconds, blinks “n”...
- Page 16 Air Conditioner Service Manual . Precaution .1 SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLATION Read this guide before installing and using the appliance. During the installation of the indoor and outdoor units the access to the working area should be forbidden to children.
- Page 17 Air Conditioner Service Manual without supervision. .2 SAFETY RULES AND RECOMMENDATIONS FOR THE USER Do not try to install the conditioner alone; always contact specialized technical personnel. Cleaning and maintenance must be carried out by specialized technical personnel. In any case disconnect the appliance from the mains electricity supply before carrying out any cleaning or maintenance.
- Page 18 Air Conditioner Service Manual .3 SAFETY RULES AND PROHIBITIONS Do not bend, tug or compress the power cord since this could damage it. Electrical shocks or fire are probably due to a damaged power cord. Specialized technical personnel only must replace a damaged power cord.
- Page 21 Air Conditioner Service Manual . Installation manual .1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid Indoor unit Outdoor unit Pipe length i s Pipe length is 15 meters Max. 1 5 meters Max. In doo r uni t Outdoor unit Refrigerant piping Additional refrigerant...
- Page 28 Air Conditioner Service Manual ONE TO 3/4 TYPE: Expansion Sensor 4-Way valve Compressor valve circuit LP HP Motor driving Switch power supply Communication EEPROM Rectifying filtering Filter circuit for circuit heavy current 11.3 Examples of repairing 11.3.1 Display E1 or E2 Reasons: 1) The sensor connection terminal loose or not plugged in.
- Page 29 Air Conditioner Service Manual Fail 3) The PCB fail. Solution: Replace the indoor main PCB. 11.3.2 Display E6 Reasons: 1) The indoor motor connection terminal loose or not plugged in. Solution: Check the connecter of indoor motor and slot (CN3) and (CN4), if loose or not plugged in, please connect again.
- Page 34 Air Conditioner Service Manual 3. If the unit can’t operate, please replace outdoor PCB 11.3.11 Display EC Reason: The signal communication fault between power module and IPM module. Solution: Please replace the outdoor PCB. 9.3.12 Display EP Reason: The compressor top temperature high or the sensor fault. Solution: Check and replace the sensor or add some gas.
- Page 38 Air Conditioner Service Manual 11.5 THERMISTOR TEMPERATURE CHARACTERISTICS 1. Indoor unit and outdoor exchange temperature and outside air temperature sensor temperature characteristics TEMP. Resistance Voltage of TEMP. Resistance Voltage of TEMP. Resistance Voltage of ℃ ℃ ℃ (k Ohm) resistance (k Ohm) resistance (k Ohm)
- Page 39 Air Conditioner Service Manual ℃ Resistance at 25 : wall split type 5 kΩ, cassette and duct 10kΩ. TH1: indoor room temperature sensor and outside air temperature sensor TH2: indoor exchange temperature sensor and outside exchange temperature sensor Before measuring resistance, disconnect connectors as shown above. 2.
- Page 40 Air Conditioner Service Manual 63.74 70.48 77.87 6.309 6.655 7.013 1.073 1.12 1.168 60.69 67.05 6.08 6.409 6.748 1.042 1.089 1.136 57.81 63.8 70.34 5.861 6.173 6.495 1.013 1.058 1.104 55.08 60.72 66.88 5.651 5.947 6.253 0.9833 1.028 1.074 52.49 57.81 63.61 5.449...