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SERVICE MANUAL
PAD12060ENS/W
PAD18060ENS/W
PAD24060ENS/W

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Summary of Contents for Premium PAD12060ENS/W

  • Page 1 SERVICE MANUAL PAD12060ENS/W PAD18060ENS/W PAD24060ENS/W...
  • Page 2 Type of contents 1. OPERATION RANGE 2. INSTALLATION 3. REFRIGERANT FLOW DIAGRAM 4. ELECTRICAL DATA 5. CONTROL MODE 6. TROUBLE SHOOTING NOTE: The figure、size and parameter of the product may not be identical with the service manual, please take the actual product as the standard.
  • Page 3 Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp Maximum 32℃ D.B./23℃ W.B. 43 ℃ D.B./26℃ W.B. COOLING Minimum 21℃ D.B./15℃ W.B. 21 ℃ D.B./15℃ W.B.
  • Page 4 1、How to choose an air conditioner： a. Choice for reference: 150-170W/㎡ for average rooms; b. Choice for reference: 160-200W/㎡ for small size offices; c. Choice for reference: 220-350W/㎡ for restaurants; d. Choice for reference: 200-300W/㎡ for entertaining venues; e. Choice for reference: 220-280W/㎡ for the top floor. Note:1W = 3.412btu.
  • Page 5 liquid pipe length -5m)*(*sheet*g/m), for example, for one heat pump single split air conditioner, if the diameter of the liquid pipe is Ф9.53 , and the liquid pipe length is 7m, it means that it should charge (7m-5m)*50g/m=100g gas for the unit refer to the following sheet: The diameter for the single split air conditoner...
  • Page 6 4-1. Refrigerant flow diagram ： OUTDOOR INDOOR COMPRESSOR CONDENSER EVAPORATOR CHECK VALVE ASS'Y 出2 CAPILLARY CAPILLARY...
  • Page 8 5-1.Electrical wiring diagrams NOTE: YE/GN=YELLOW/GREEN, BU=BLUE, BN=BROWN, WH=WHITE, BK=BLACK, VT=VIOLET, OG=ORANGE, RD=RED INDOOR： （1） （indoor）： 、 、 PAD24060ENS/W PAD12060ENS/W PAD18060ENS/W...
  • Page 9 OUTDOOR （2） （outdoor） PAD12060ENS/W...
  • Page 10 （3） 、 （outdoor）： PAD24060ENS/W PAD18060ENS/W...
  • Page 11 5-2. Sensor parameter 1. THE PARAMETER OF THE COIL AND INDOOR SENSOR： （R =15K±2%） T(℃) T(℃) R(KΩ) V(v) R(KΩ) V(v) 152.5 4.5522388 11.99 2.221193 143.9 4.528005 11.47 2.1666037 135.8 4.5026525 10.98 2.113164 128.3 4.4766225 10.51 2.0599765 121.1 4.4489346 10.06 2.0071828 114.5 4.4208494 9.634...
  • Page 12 Chapter 1 System Description 1. System control diagram Indoor control circuit Remote Display Remote control Indoor Room temperature sensor Indoor fan motor circuit Indoor air flow direction motor Indoor pipe temp. sensor Outdoor temperature sensor Outdoor fan motor (only some HEAT PUMP) 4-way reversing valve（only for heat pump）...
  • Page 13 motor(PG regulating motor or tapped regulating motor), digital tube and LED display, Electrical heating signal, Buzzer, Outdoor fan motor, Coil of the 4-way reversing valve, Compressor( or AC contactor). 4.2 Cooling only split unit: Air flow motor (step motor), indoor fan motor(PG regulating motor or tapped regulating motor),digital tube and LED display, Buzzer, Outdoor fan motor, Coil of the 4-way reversing valve, Compressor( or AC contactor).
  • Page 14 will stop if the indoor coil pipe lower than 33℃, otherwise the indoor fan motor would operate on the Low air speed setting to cool down the coil pipe, and it would stop for the max 30 sec. （6）When the Heating mode set at first time or turn to the Heating mode from other mode, the 4-way reversing valve will be triggered after the compressor power ON.
  • Page 15 would be triggered respectively. 2.1 Compressor delay protection The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle in order to protect the compressor.(This protection include the Cooling or the exchange Dry and Heat mode, but the unit has no this function after it restored.
  • Page 16 4.2.1 This mode could be selected by the remote control 4.2.2 The 4-way reversing valve will be stopped under this mode. 4.2.3 During this mode, the temperature setting, air volume and air flow direction could be adjusted. During the appliance run in normal condition, the room's temperature can be adjusted by 1℃...
  • Page 17 High The setting temp. plus 4℃ Median The setting temp. plus 2℃ When the difference between the setting temperature and the room temperature equal to 2℃ or 4℃, the indoor fan speed will keep in current speed. 4.2.6 Air flow direction control The louver is derived by a step motor, and it swings the horizontal louver automatically.
  • Page 18 Compressor power OFF Compressor power OFF The setting temp. plus 1℃ The setting temp. minus 1℃ Compressor power ON Compressor power ON 4.4.3 Indoor fan motor operation Anti-cold air system: When the appliance run in Heat mode condition, the indoor fan motor operation is shown as following to prevent the cooling air come out during the appliance operation.
  • Page 19 The setting temperature -2℃ MEDIAN The setting temperature -4℃ High When the difference between the setting temperature and the room temperature equal to 2℃ or 4℃, the indoor fan speed will keep in current speed. 4.4.5 Overheating protection control When overloading occurs during the heating operation, this system controls the outdoor fan motor and compressor according to the indoor coil pipe temperature to prevent the overloading of the compressor and restrict the pipe pressure to rise up.
  • Page 20 (2) Cool only appliance a. When the room temperature exceeds 21℃, it will be ran in Cool mode, and the temperature is set to 21℃. b. When the room temperature exceeds 18℃, but not more than 21℃, it will be operated in the Dry mode. c.
  • Page 21 5．2 Sleep mode operation (1)The Sleep mode can only be set during Cool, Heat and Dry mode. （2）When the appliance run in the Sleep mode, it will stop after 8 hours operation, then it will cancel the Sleep setting. When the appliance operate under the OFF-Timer setting condition, if the OFF-Timer setting less than 8 hours, it will keep the Sleep mode till the OFF-Timer setting;...
  • Page 22 Monitor could be available with respective button, but the DIMMER remain 5．5 Room temperature display (optional) When the appliance operates with the Room Temperature Display, the room temperature can be displayed in any mode except Sleep and Dimmer mode. It will display the setting temperature in 10 sec after receive any signal from remote control, then display the room temperature.
  • Page 23 7.TROUBLE SHOOTING: 1.The LED of indoor display board will show the error sequence automatically when the unit has the following trouble: Remark： Light o Flash x OFF Error Power Timer Running Sleep ★ code The root cause is may be one Content Remark of the following...
  • Page 24 7.TROUBLE SHOOTING: 2.The Error inquiry should be operate in the stand-by state, keep 5 sec press and hold on the Emergency button, the error code will be displayed in 10 sec, then the indoor unit display will recovery to the original. If two or more malfunction happened, each error code will be displayed alternatively.
  • Page 25 7.TROUBLE SHOOTING: It is normally for protection, When the indoor pipe temperature between 53℃<T<63℃, the outdoor fan motor will stop running. When the indoor coil temperature is higher than 63℃, the error code will display. After the indoor pipe temperature is lower than 49℃, the air conditioner will restart Overheating protection ★...

This manual is also suitable for:

Pad18060ens/wPad24060ens/w