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Hisense AS-12HR4SVTVC Service Manual

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SPLIT TYPE AIR CONDITIONER
AS-12HR4SVTVC

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Summary of Contents for Hisense AS-12HR4SVTVC

  • Page 1 SPLIT TYPE AIR CONDITIONER AS-12HR4SVTVC...
  • Page 2 Type of contents 1. OPERATION RANGE 2. SPECIFICATION 3. INSTALLATION 4. ELECTRICAL DATA 5. CONTROL MODE 6. TROUBLE SHOOTING 7. CHECKING COMPONENTS 8. PANEL INSTRUCTIONS 9. PART LIST AND EXPLODE VIEW 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 D.B./23 W.B. D.B./26 W.B. COOLING ℃ ℃ ℃ ℃ Minimum D.B./15 W.B. D.B./15 W.B. ℃ ℃ ℃ ℃ Maximum D.B./18 W.B. D.B./18 W.B. HEATING ℃ ≤15 ℃...

  • Page 4: Specification

    2-1. Unit specifications Model No. AS-12HR4SVTVC H/P,ON/OFF Type Ratings 12200 Cooling Capacity Btu/h 13600 Heating Capacity Btu/h 1115 Rated Input-Cooling 1104 Rated Input-Heating Moisture Removal L/H.r Air Circulation m3/h Max 10.94, 3.21 EER for Cooling Btu/h.W, W/W 3.61 COP for Heating...

  • Page 5: Major Component Specifications

    Optional HEPA Filter Optional LTC Filter Optional Catechin filter Optional Negative ion filter Optional Photic Catalyst filter Optional Vitamin-C filter 24 Hours Timer 3 Speed and Auto Indoor Fan Control Vertical Auto Swing Louver Manual Adjustable Horizontal Swing Louver Sleep Operation Smart Function Super Function Compressor Indicator...
  • Page 6 WIRING DIAGRAM 2-2-2 OUTDOOR FAN MOTOR ELECTRIC PARAMETER PERFORMANCE +DG13Z1-10 Motor model Rated power source 208~240V 50Hz Poles ---- Rated load output(W) Ambient temperature(℃) -5℃～+43℃. WIRING DIAGRAM...

  • Page 7: Other Component Specifications

    2-2-3. COMPRESSOR ELECTRIC PERFORMANCE PARAMETER PA145X2C-4FT Compressor model Compressor type Rotary Motor type. Main:2.31Ω±5%, aux:3.23Ω±5% Motor Winding resistance（at 20℃） 35uF/450V Running capacitor Number of cylinder RB68AF/T68/A68tf Oil type Oil charge (cc) Input power(W) 1195W/1235W (+5%) Current (A) 5.52A/5.34A (+5%) ℃ ℃...
  • Page 8 WIRING DIAGRAM 5 red ) 1 blue 3 yellow 2-3-2. PANEL MOTOR PARAMETER ELECTRIC PERFORMANCE DG13B3-02 Stepper Motor model Voltage(DC) Number of phase Drive mode 1-2 phase excitation unipolar drive Resistance per phase 90Ω±7% Relative humidity(RH) 45%～85% Temperature range(℃) -10℃～+40℃. WIRING DIAGRAM...

  • Page 9: Installation

    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 10 4-1.Electrical wiring diagrams 4-1-1.INDOOR 4-1-1 AS-12HR4SVTVC...

  • Page 11: D 65

    4-1-2. OUTDOOR 4-1-2-1. AS-12HR4SVTVC 4-2-1.THE PARAMETER OF SENSOR: 1. THE PARAMETER OF THE COIL AND INDOOR AND OUTDOOR SENSOR： （R =15K±2%） T(℃) R(KΩ) V(v) T(℃) 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...
  • Page 12 66.01 4.0741884 6.333 1.4843201 62.58 4.033256 6.08 1.4421252 58.34 3.9773657 5.838 1.4008062 56.29 3.947959 5.608 1.3606366 53.41 3.9036691 5.387 1.3211851 50.69 3.8582737 5.177 1.2828964 48.12 3.8117871 4.976 1.2454946 45.7 3.7644152 4.783 1.2088662 43.41 3.7159733 4.599 1.1732741 41.25 3.6666667 4.423 1.1385986 39.2 3.6162362 4.255...
  • Page 13 Chapter 1 System Description System control diagram Remote control Remote Display Jiggle Switch Panel motor Room temperature sensor Indoor circuit Indoor fan motor Indoor pipe temp. sensor louver motor Outdoor fan motor 4-way reversing valve Compressor Outdoor control circuit Function Description a) Operation Mode: Cooling, Heat, Dry, Fan only.

  • Page 14: Control Mode

    motor(PG regulating motor or tapped regulating motor), 7-segment tube and LED display, Buzzer, Outdoor fan motor, Coil of the 4-way reversing valve, Compressor( or AC contactor). 1.2 Cooling only split unit: louver motor(step motor), panel motor(step motor), indoor fan motor(PG regulating motor or tapped regulating motor),7-segment tube and LED display, Buzzer, Outdoor fan motor, Compressor( or AC contactor).
  • Page 15 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. If the appliance turn off under the Heating mode, the 4-way reversing valve would be OFF after 3 min delay.

  • Page 16: Display Function

    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. If the unit restored and turn ON, then this protection would be functioned.) 2.2 Fan motor(PG motor) protection When the Fan motor(PG motor) receive the signal, it will be stopped after it...

  • Page 17: Operation Mode

    according to the following rules: After on power, the panel will reset(means closed) according to the closed angle,in open state the panel will open according to the open angle,closed state will according to the closed angle,the base is the closed angle.When the operation comeback valid after on power,the status of the panel keeps the same as the status before power 5.
  • Page 18 the compressor and outdoor fan motor turn OFF. When the indoor pipe and the compressor has been stopped for 3 minutes, temperature recovers to 5℃ the compressor and outdoor fan motor will be turned ON. 5.2.5 Indoor fan operation (1) When room temperature is higher than 35℃, the compressor is ceased for 1 min then turn on, (when the compressor ceased for 3 min protection, the indoor fan should be turn on immediately (2）When the indoor fan keep in running condition, this operation state could...
  • Page 19 can be adjusted, and the air flow direction could be swang. When the appliance run in normal condition, the compressor’s temperature can only be adjusted by 1℃ up and down base on the setting temperature, the compressor operation diagram is shown as following. When the temperature rose, the compressor will be power ON.
  • Page 20 The setting temp. The setting temp. minus 1℃ Median Median The setting temp minus 2℃ high The setting temp minus 3℃ high 5.4.5 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 21 be operated in the Dry mode. c. When the room temperature is not more than 23℃, it will be operated in the Fan only, the air volume is set to LOW and the fan speed can be adjusted After the appliance start the smart operation, the setting temperature can be adjusted 2℃(the min accuracy is 1℃) up and down base on the automatic temperature setting, also the presetting temperature of PCB circuit.

  • Page 22: Trouble Shooting

    setting, and the air flow direction same as the last setting and the temperature and air flow direction can be adjusted by user. The Running indicator will be flashed 10 times per 1 Hz frequency, then all the indicators turn OFF except the Sleep light after 5 min elapse.
  • Page 23 Ο Ο × ★ Overheating protection The failure is detected when the room temperature sensor broken or shorted over 5 sec. The failure is detected when the temperature sensor of heater exchange broken or shorted over 5 sec. The failure is detected when each setting data is not match after the EEPPOM self-check two times.
  • Page 24 6-1. Error codes 6-1-1. operating and display 6-1-2. Error codes： 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 control panel display will recovery to the original. If two or more malfunction happened, each error code will be displayed alternatively.
  • Page 25 6-2. TROUBLE SUSPENSION TABLE SYMPTON PROBABLE CAUSE CORRECTIVE ACTION The power source voltage Repair the power supply is lower than 198V No voltage Repair general wiring indicator Replace control P.C.B or (green)does not light up Correct voltage display P.C.B remote controller Reload new batteries batteries are used up...
  • Page 26 7-1.Check parts unit 1. INDOOR FAN MOTOR .MOTOR EXAMINE AND REPAIR Circuit diagram Test in resistance. TOOL: Multimeter. Test the resistance of the main winding. The indoor fan motor is fault if the resistance of main winding 0(short circuit)or∞（open circuit）. Notes: 1) Please don’t hold motor by lead wires.
  • Page 27 Test in resistance. TOOL: Multimeter. Test the resistance of the main winding. The outdoor fan motor is fault if the resistance of main winding 0(short circuit)or∞（open circuit）. Notes: 1) Please don’t hold motor by lead wires. 2) Please don’t plug IN/OUT the motor connector while power ON. 3) Please don’t drop .Hurl or dump motor against hard material.Malfunction may not be observed at early stage after such shock.But it may be found later,This type of mishandling void our warranty.
  • Page 28 5 red ) 1 blue 3 yellow Test in resistance. TOOL: Multimeter. Test the resistance of winding. The stepper motor is fault if the resistance of winding 0(short circuit)or∞（open circuit）. 4.2 PANEL MOTOR Resistance per phase：90Ω±7% Test in resistance. TOOL: Multimeter. Test the resistance of winding.
  • Page 29 Fuse PCB Ass抷 Fig.1 2) Check for continuity using a multimeter as shown in Fig.2. Fuse Fig.2 2.CAPACITOR Remove the lead wires from the capacitor terminals, and then place a probe on the capacitor terminals as shown in Fig.3.Observe the deflection of the pointer, setting the resistance measuring range of the multimeter to the maximum value.

  • Page 30: Panel Instructions

    8-1. Panel instruction PANEL INSTRUCTIONS 1. Remove the three sliders to the right side, then open the front panel. 2.Remove the screw, then open the safe cover. 3.Loose the plug connections of the panel motor and the jiggle switch. 4.Remove the panel buckle with the tool. then take out the front panel components.
  • Page 31 6. a. Remove the two mounting screws, then take out the jiggle switch cover. b. Remove the mounting screw, then can change the jiggle switch. 7. Remove the panel buckle with the tool. then take out the front panel from the front panel seat. 8.Remove the parts step by step.
  • Page 32 9-1. Indoor unit 9-1-1. Exploded View 9-1-2. Part list Part List of Indoor Unit for AS-12HR4SVTVC DESCRIPTION New Part No. Q’ty UNIT PRICE $2.23 KT13G0-13 Installation Plate 1248031 $13.98 G1J00/R00.01.01-00 Chassis 1246083 $12.79 DG13G1-05 Indoor Fan Motor 1260336 $4.26 DG22G1-13...
  • Page 33 $0.89 +G1C40/00.05.02-00 Jiggle Switch 1327018 $4.00 G1J00/R00.02-02 Decorative Part 1263778 $0.06 G1C40/00.02-05 Connecting Rod A 1248905 $0.07 G1C40/00.02-10 Coupler 1258230 $5.41 DG13B3-02 Panel Louver Motor 1260241 $0.95 G1J00/R00.05.01-01 Display PCB Box 1276739 $6.90 K36430226 24A Display PCB A 1361811 $6.90 K36430226 24B Display PCB B 1361811...
  • Page 34 9-2.Outdoor unit 9-2-1. Exploded View 9-2-2. PARTLIST Part List of Outdoor Unit for AS-12HR4SVTVC DESCRIPTION New Part No. Q’ty UNIT PRICE 1313821 $4.00 DG22Z1-20 Outdoor Fan 1222216 $20.00 +DG13Z1-10 Outdoor Fan Motor 1308210 $3.43 W1E0L/R00.02-05 Motor Stay Bracket 1276845 $3.50 W1E0D/R00.02.01-02...
  • Page 35 1276574 $0.67 W1A1L/00.02-01 Terminal Cover 1258658 $4.60 DG26C2-04(A) 3 Way Valve Assembly 1258653 $4.64 DG26B1-06(A) 2 Way Valve Assembly 1248461 $1.67 W1A1L/00.01.01-03 Valve Fixing Plate 1224702 $114.00 PA145X2C-4FT Compressor 1225552 $0.61 +CBB61-1.5μ/450-1 Fan motor Capacitor 1248747 $0.16 W1A1L/00.05-02 Capacitor Fixing Ring 1225652 $3.36 +CBB65-35μ/450-1...

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