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Panasonic WH-UD07CE5-A Service Manual
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Panasonic WH-UD07CE5-A Service Manual

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Air-to-Water Heatpump
Indoor Unit
WH-SDF07C3E5
WH-SDF09C3E5
WH-SDF12C6E5
WH-SDF14C6E5
WH-SDF16C6E5
©
Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010.
Unauthorized copying and distribution is a violation of law.
Order No. PHAAM1006122C2
Outdoor Unit
WH-UD07CE5-A
WH-UD09CE5-A
WH-UD12CE5-A
WH-UD14CE5-A
WH-UD16CE5-A

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Summary of Contents for Panasonic WH-UD07CE5-A

  • Page 1 Order No. PHAAM1006122C2 Air-to-Water Heatpump Indoor Unit Outdoor Unit WH-SDF07C3E5 WH-UD07CE5-A WH-SDF09C3E5 WH-UD09CE5-A WH-SDF12C6E5 WH-UD12CE5-A WH-SDF14C6E5 WH-UD14CE5-A WH-SDF16C6E5 WH-UD16CE5-A © Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    6 Refrigeration And Water Cycle Diagram ---------------- 25 17.5. Self-diagnosis Method---------------------------------- 86 7 Block Diagram --------------------------------------------------- 27 18 Disassembly and Assembly Instructions ------------- 119 7.1. WH-UD07CE5-A WH-UD09CE5-A ----------------- 27 18.1. To Remove Front Plate-------------------------------- 119 7.2. WH-UD12CE5-A WH-UD14CE5-A 18.2. To Remove Cabinet ------------------------------------ 119 UD16CE5-A ----------------------------------------------- 28 18.3.

  • Page 3: Safety Precautions

    1 Safety Precautions • Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing. • Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating and main circuit for the model installed. •...
  • Page 4 19. The unit is only for use in a closed portable water system. Utilization in an open water circuit or non-portable water circuit, may lead to excessive corrosion of the water piping and risk of incubating bacteria colonies, particularly Legionella, in water. 20.

  • Page 5: Specifications

    2 Specifications 2.1. WH-SDF07C3E5 WH-UD07CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Heating Capacity 7.00 BTU/h 23900 kJ/h 25200 4.40 BTU/hW 15.0 Noise Level dB (A) Power Level dB Air Flow 46.0 (1624) /min (ft /min) Refrigeration Control Device...
  • Page 6 Item Unit Power Factor Power factor means total figure of compressor and outdoor fan motor. Power Cord Number of core Length m (ft) Thermostat Electronic Control Protection Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT °C Operation Range Outdoor Ambient -20 ~ 35 °C...

  • Page 7: Wh-Sdf09C3E5 Wh-Ud09Ce5

    2.2. WH-SDF09C3E5 WH-UD09CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Heating Capacity 9.00 BTU/h 30700 kJ/h 32400 4.10 BTU/hW 14.0 Noise Level dB (A) Power Level dB Air Flow 51.0 (1800) /min (ft /min) Refrigeration Control Device Expansion Valve Refrigeration Oil FV50S (900) Refrigerant (R410A)
  • Page 8 Item Unit Power Cord Number of core Length m (ft) Thermostat Electronic Control Protection Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient °C -20 ~ 35 °C Water Outlet 25 ~ 55 Internal Pressure Differential 35.0 Noise Level dB (A)

  • Page 9: Wh-Sdf12C6E5 Wh-Ud12Ce5

    2.3. WH-SDF12C6E5 WH-UD12CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Heating Capacity 12.00 BTU/h 41000 kJ/h 43200 4.67 BTU/hW 16.0 Noise Level dB (A) Power Level dB Air Flow 80.0 (2830) /min (ft /min) Refrigeration Control Device Expansion Valve Refrigeration Oil FV50S (1200) Refrigerant (R410A)
  • Page 10 Item Unit Power Cord Number of core Length m (ft) Thermostat Electronic Control Protection Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient °C -20 ~ 35 °C Water Outlet 25 ~ 55 Internal Pressure Differential 17400 Noise Level dB (A)

  • Page 11: Wh-Sdf14C6E5 Wh-Ud14Ce5-A

    2.4. WH-SDF14C6E5 WH-UD14CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Heating Capacity 14.00 BTU/h 47800 kJ/h 50400 4.50 BTU/hW 15.4 Noise Level dB (A) Power Level dB Air Flow 84.0 (2970) /min (ft /min) Refrigeration Control Device Expansion Valve Refrigeration Oil FV50S (1200) Refrigerant (R410A)
  • Page 12 Item Unit Power Cord Number of core Length m (ft) Thermostat Electronic Control Protection Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient °C -20 ~ 35 °C Water Outlet 25 ~ 55 Internal Pressure Differential 23000 Noise Level dB (A)

  • Page 13: Wh-Sdf16C6E5 Wh-Ud16Ce5-A

    2.5. WH-SDF16C6E5 WH-UD16CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Heating Capacity 16.00 BTU/h 54600 kJ/h 57600 4.23 BTU/hW 14.4 Noise Level dB (A) Power Level dB Air Flow 90.0 (3180) /min (ft /min) Refrigeration Control Device Expansion Valve Refrigeration Oil FV50S (1200) Refrigerant (R410A)
  • Page 14 Item Unit Power Cord Number of core Length m (ft) Thermostat Electronic Control Protection Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient °C -20 ~ 35 °C Water Outlet 25 ~ 55 Internal Pressure Differential 30200 Noise Level dB (A)

  • Page 15: Features

    3 Features • Inverter Technology - Energy saving • High Efficiency • Compact Design • Environment Protection - Non-ozone depletion substances refrigerant (R410A) • Long Installation Piping - Long piping up to 30 meter with height difference 20 meter (UD07CE, UD09CE) - Long piping up to 40 meter with height difference 30 meter (UD12CE, UD14CE and UD16CE) - Flexible 4-way piping for outdoor unit •...

  • Page 16: Location Of Controls And Components

    4 Location of Controls and Components 4.1. Indoor Unit 4.1.1. Location of Control...
  • Page 19 4.1.2. Weekly Timer Setting...
  • Page 20 4.1.3. Setting Up The Special Functions...

  • Page 21: Outdoor Unit

    4.1.4. Main Components 4.2. Outdoor Unit...

  • Page 22: Dimensions

    5 Dimensions 5.1. Indoor Unit...

  • Page 23: Outdoor Unit

    5.2. Outdoor Unit 5.2.1. WH-UD07CE5-A WH-UD09CE5-A...
  • Page 24 5.2.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...

  • Page 25: Refrigeration And Water Cycle Diagram

    6 Refrigeration And Water Cycle Diagram Piping size Min. Max. Rated Common Additional Piping Piping Length Length Elevation Refrigerant Length Length Model Liquid (g/m) UD07CE5-A 5/8” 1/4” UD09CE5-A 5/8” 1/4” UD12CE5-A 5/8” 3/8” UD14CE5-A 5/8” 3/8” UD16CE5-A 5/8” 3/8” * If piping length is over common length, additional refrigerant should be added as shown in the table.

  • Page 27: Block Diagram

    7 Block Diagram 7.1. WH-UD07CE5-A WH-UD09CE5-A...

  • Page 28: Wh-Ud12Ce5-Awh-Ud14Ce5-Awh- Ud16Ce5-A

    7.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...

  • Page 29: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. Indoor Unit 8.1.1. WH-SDF07C3E5 WH-SDF09C3E5...
  • Page 30 8.1.2. WH-SDF12C6E5 WH-SDF14C6E5 WH-SDF16C6E5...

  • Page 31: Outdoor Unit

    8.2. Outdoor Unit 8.2.1. WH-UD07CE5-A WH-UD09CE5-A...
  • Page 32 8.2.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...

  • Page 33: Electronic Circuit Diagram

    9 Electronic Circuit Diagram 9.1. Indoor Unit 9.1.1. WH-SDF07C3E5 WH-SDF09C3E5...
  • Page 34 9.1.2. WH-SDF12C6E5 WH-SDF14C6E5 WH-SDF16C6E5...

  • Page 35: Outdoor Unit

    9.2. Outdoor Unit 9.2.1. WH-UD07CE5-A WH-UD09CE5-A...
  • Page 36 9.2.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...

  • Page 37: Printed Circuit Board

    10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board...
  • Page 38 10.1.2. Solar Printed Circuit Board (Optional)

  • Page 39: Outdoor Unit

    10.2. Outdoor Unit 10.2.1. WH-UD07CE5-A WH-UD09CE5-A 10.2.1.1. Main Printed Circuit Board...
  • Page 40 10.2.1.2. Capacitor Printed Circuit Board 10.2.1.3. Noise Filter Printed Circuit Board...
  • Page 41 10.2.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A 10.2.2.1. Main Printed Circuit Board...
  • Page 42 10.2.2.2. Capacitor Printed Circuit Board 10.2.2.3. Noise Filter Printed Circuit Board...

  • Page 43: Installation Instruction Wh-Ud07Ce5-Awh- Ud09Ce5-A

    11 Installation Instruction WH-UD07CE5-A WH-UD09CE5-A 11.1. Select The Best Location Piping size Rated Min. Max. Addi- Length Eleva- Piping Piping tional INDOOR UNIT Model tion Length Length Refrige- • There should not be any heat source or steam near the unit.

  • Page 44: Indoor Unit

    11.3. Indoor Unit 11.3.3. INDOOR UNIT INSTALLATION 11.3.3.1. Install The Indoor Unit 11.3.1. HOW TO FIX INSTALLATION PLATE 1. When connecting solar pump station cable between The mounting wall is strong and solid enough to prevent it from indoor unit and solar pump station, the distance between the vibration.
  • Page 45 11.3.3.3. Indoor Unit Refrigerant Pipe • Connect the external filter inlet to boiler tank outlet. Then, connect water outlet connector of indoor unit (indicate with Installation “WATER OUT”) to boiler tank inlet. Fail to connect the tube 1. Please make flare after inserting flare nut (located at joint appropriately might causing the indoor unit malfunction.

  • Page 46: Connect The Cable To The Indoor Unit

    11.3.4. CONNECT THE CABLE TO THE INDOOR UNIT 1. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 4.0 or 6.0 mm flexible cord, type designation 60245 IEC 57 or heavier cord. • Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor unit’s respectively. •...
  • Page 47 Terminal screw Tightening torque N cm {kgf•cm} 157~196 {16~20} 196~245 {20~25} 11.3.4.1. Wire Stripping and Connecting Requirement...
  • Page 48 11.3.4.2. Connecting Requirement • The equipment’s power supply 1 complies with IEC/EN 61000-3-12 provided that the short-circuit power S is greater than or equal to 828.38kW (for WH-SDF07C3E5/UD07CE5** and WH-SDF09C3E5/UD09CE5**) at the interface point between the user’s supply and the public system. It is the responsibility of the installer or user of the equipment to ensure, by consultation with the distribution network operator if necessary, that the equipment is connected only to a supply with a short-circuit power S greater than or equal to 828.38kW.

  • Page 49: Outdoor Unit

    11.4. Outdoor Unit 11.4.1. INSTALL THE OUTDOOR UNIT • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider strong wind and earthquake.

  • Page 50: Connect The Cable To The Outdoor Unit

    11.4.3. EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR-TO-WATER HEAT PUMP, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. 1. Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. •...

  • Page 51: Pipe Insulation

    4. Select required direction and apply protective bushing provided in accessories to protect cables from sharp edges. 5. Once all wiring work has been completed, tie the cable and cord together with the binding strap so that they do not touch other parts such as the compressor and bare copper pipes.

  • Page 52: Installation Instruction Wh-Ud12Ce5-Awh- Ud14Ce5-A Wh-Ud16Ce5-A

    12 Installation Instruction WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A 12.1. Select The Best Location Piping size Rated Min. Max. Addi- Length Eleva- Piping Piping tional INDOOR UNIT Model tion Length Length Refrige- • There should not be any heat source or steam near the unit. Liquid rant •...

  • Page 53: Indoor Unit

    12.3. Indoor Unit 12.3.3. INDOOR UNIT INSTALLATION 12.3.3.1. Install The Indoor Unit 12.3.1. HOW TO FIX INSTALLATION PLATE 1. When connecting solar pump station cable between The mounting wall is strong and solid enough to prevent it from indoor unit and solar pump station, the distance between the vibration.
  • Page 54 12.3.3.3. Indoor Unit Refrigerant Pipe • Connect the external filter inlet to boiler tank outlet. Then, connect water outlet connector of indoor unit (indicate with Installation “WATER OUT”) to boiler tank inlet. Fail to connect the tube 1. Please make flare after inserting flare nut (located at joint appropriately might causing the indoor unit malfunction.
  • Page 55 12.3.4. CONNECT THE CABLE TO THE INDOOR UNIT 1. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 4.0 or 6.0 mm flexible cord, type designation 60245 IEC 57 or heavier cord. • Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor unit’s respectively. •...
  • Page 56 Terminal screw Tightening torque N•cm {kgf•cm} 157~196 {16~20} 196~245 {20~25} 12.3.4.1. Wire Stripping and Connecting Requirement...
  • Page 57 12.3.4.2. Connecting Requirement • The equipment’s power supply 1 complies with IEC/EN 61000-3-12 provided that the short-circuit power S is greater than or equal to 787.57kW (for WH-SDF12C6E5/UD12CE5**, WH-SDF14C6E5/UD14CE5** and WH-SDF16C6E5/UD16CE5**) at the interface point between the user’s supply and the public system. It is the responsibility of the installer or user of the equipment to ensure, by consultation with the distribution network operator if necessary, that the equipment is connected only to a supply with a short-circuit power S greater than or equal to 787.57kW.

  • Page 58: Outdoor Unit

    12.4. Outdoor Unit 12.4.1. INSTALL THE OUTDOOR UNIT • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider strong wind and earthquake.
  • Page 59 CUTTING AND FLARING THE PIPING 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3.
  • Page 60 12.4.4. CONNECT THE CABLE TO THE OUTDOOR UNIT (FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT) 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × (4.0 or 6.0 mm flexible cord, type designation 60245 IEC 57 or heavier cord.

  • Page 61: Operation And Control

    13 Operation and Control 13.1. Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting.
  • Page 62 ii. Case 2 - Heat pump THERMO OFF TEMP: 1. Heat pump THERMO OFF TEMP = 55°C + [+2°C]. 2. Water outlet temperature > Heat pump THERMO OFF TEMP for continuous 3 minutes, heat pump OFF but water pump ON. - Heat pump THERMO ON TEMP: 1.
  • Page 63 13.1.4. Heat + Tank Mode Operation Setting 1:- When heating priority is set by control panel: 1. 3 ways valve control: • 3 ways valve switch and fix to room side. 2. Heat pump operation control:- • Heat pump operate follow normal operation. 3.
  • Page 64 • During tank heat-up interval - Heat pump tank target temperature = tank set temperature or [55°C] whichever lower - Heat Pump Water Outlet set temperature is set to Maximum [55°C] during tank interval i. Case 1 - THERMO OFF TEMP : 1.
  • Page 65 * Under solar priority is not set condition, solar 3WV only can ON during heating heat-up interval.
  • Page 66 13.1.5. Setting Water Outlet Temperature For Heat Mode • The set temperature define the parameters for the outdoor ambient temperature dependent operation of the unit. Where by the internal water setting temperature is determined automatically depending on the outdoor temperature. The colder outdoor temperatures will result in warmer water and vice versa.
  • Page 67 • Once enter this setting mode, “SETTING” display is ON. This setting mode is used to easily shift the target water outlet temperature. 13.1.7. Outdoor Fan Motor Operation Outdoor fan motor is adjusted according to operation condition. It starts when compressor starts operation and it stops 30 seconds after compressor stops operation.

  • Page 68: Water Pump

    13.2. Water Pump 13.2.1. Water Pump Control 1. Once the indoor unit is ON, the water pump will be ON immediately and no error judgement for 9 minutes. However, during this 9 minutes operation, if there is any abnormality cause at outdoor or malfunction, the compressor should be OFF immediately and restart delay after 3 minutes.

  • Page 69: Force Heater Mode Operation

    13.5. Force Heater Mode Operation The backup heater also serves as backup in case of malfunctioning of the outdoor unit. 1. Make sure the OFF/ON control panel LED is OFF (no operation). 2. Press the Force button to start the force heater mode operation. 3.

  • Page 70: Indication Panel

    13.8. Indication Panel Operation Color Green Light ON Operation ON Light OFF Operation OFF Note: • If Operation LED is blinking, there is an abnormality operation occurs. 13.9. Indoor Back-Up Heater Control 13.9.1. Indoor Electric Heater control 1. Normal Heating Mode •...

  • Page 71: Tank Booster Heater Control

    13.10. Tank Booster Heater Control 13.10.1. Tank booster heater control Heating operation condition: 1. Booster heater Turn On condition: • After BOOSTER HEATER DELAY TIMER fulfil during heat pump startup time in tank mode, or during switching from heating heat-up interval to tank heat-up interval in heat+tank mode (heating priority not set). •...

  • Page 72: Solar Operation (Optional)

    13.14. Solar operation (Optional) 13.14.1. Solar operation 1. Control according to preset whether Solar Priority is set or not. 2. When tank connection is NOT set at SETTING mode, Solar operation is disabled. 3. When Pump A (from Solar pump station) is detected On through connection Y3 and Y4, then the Solar pump 3 Way Valve is requested ON (Refer to figure below).

  • Page 75: External Room Thermostat Control (Optional)

    13.15. External Room Thermostat Control (Optional) Purpose: 1. Better room temperature control to fulfill different temperature request by external room thermostat. Recomended external room thermostat: Maker Characteristic Siemen (REV200) Touch panel Siemen (RAA20) Analog Connection of external room thermostat: Wire connection and thermo characteristic of Siemen REV200: Setting L/L1 (H) Heat Thermo...

  • Page 76: Protection Control

    14 Protection Control 14.1. Protection Control For All Operations 14.1.1. Time Delay Safety Control 1. The compressor will not start for three minutes after stop of operation. 14.1.2. 30 Seconds Forced Operation 1. Once the compressor starts operation, it will not stop its operation for 30 seconds. 2.

  • Page 77: Protection Control For Heating Operation

    14.1.7. Low Frequency Protection Control 2 • When all the below conditions comply, the compressor frequency will change to lower frequency. Temperature, T, for: Heating Outlet water (°C) T < 14 or T Outdoor air (°C) T < 4 or T Indoor heat exchanger (°C) 14.1.8.

  • Page 78: Servicing Mode

    15 Servicing Mode 15.1. Test Run 1. Fill up the boiler tank with water. For details refer to boiler tanks installation instruction and operation instruction. 2. Set ON to the indoor unit and RCCB. Then, for control panel’s operation please refers to air-to-water heatpump’s operation instruction.

  • Page 79: Maintenance Guide

    16 Maintenance Guide In order to ensure optimal performance of the unit, checks and inspections on the unit and the field wiring must be carried out regularly. Please request a licensed technician for carry out maintenance job. Before carried out any maintenance or repair work, and removing the front plate of heat exchanger unit, always switch off all power supply (i.e.
  • Page 80 b. Use a test pen to push the centre button gently in order to reset the Overload protector. c. After finish, install back the Overload protector following the reverse order of step a & b. 7. External water filter (field supply) Clean the external water filter in regularly basic.

  • Page 81: Troubleshooting Guide

    17 Troubleshooting Guide 17.1. Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a fan. The normal pressure of the refrigeration cycle depends on various conditions, the standard values for them are shown in the table on the right.

  • Page 82: Relationship Between The Condition Of The Air-To-Water Heatpump Indoor And Outdoor Units And Pressure And Electric Current

    17.2. Relationship Between The Condition Of The Air-to-Water Heatpump Indoor And Outdoor Units And Pressure And Electric Current Heating Mode Condition of the Air-to-Water Heatpump indoor and outdoor Low Pressure High Pressure Electric current during operation units Water leakage or insufficient water flow rate in the system Excessive amount of refrigerant Inefficient compression...

  • Page 83: Breakdown Self Diagnosis Function

    17.3. Breakdown Self Diagnosis Function 17.3.1. Self Diagnosis Function (Three Digits Alphanumeric Code) • When abnormality occur during operation, the system will stop operation, and OFF/ON control panel LED will blink and error code will display on the control panel Timer display LCD. •...

  • Page 84: Error Codes Table

    17.4. Error Codes Table Diagnosis display Abnormality / Protection control Abnormality Judgement Primary location to verify No abnormality detected — — Indoor/Outdoor capacity unmatched 90s after power supply • Indoor/outdoor connection wire • Indoor/outdoor PCB • Specification and combination table in catalogue Outdoor compressor temperature sensor Continue for 5 sec.
  • Page 85 Diagnosis display Abnormality / Protection control Abnormality Judgement Primary location to verify PFC control 4 times occurrence within 10 • Voltage at PFC minutes Outdoor heat exchanger temperature Continue for 5 sec. • Outdoor heat exchanger temperature sensor abnormality sensor (defective or disconnected) Outdoor defrost sensor abnormality Continue for 5 sec.

  • Page 86: Self-Diagnosis Method

    17.5. Self-diagnosis Method 17.5.1. Connection Capability Rank Abnormality (H12) Malfunction Decision Conditions: During startup operation of cooling and heating, the capability rank of indoor checked by the outdoor is used to determine connection capability rank abnormality. Malfunction Caused: 1. Wrong model interconnected. 2.
  • Page 87 17.5.2. Compressor Tank Temperature Sensor Abnormality (H15) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the compressor tank temperature sensor are used to determine sensor error. Malfunction Caused: 1. Faulty connector connection. 2. Faulty sensor. 3.
  • Page 88 17.5.3. Indoor Refrigerant Liquid Temperature Sensor Abnormality (H23) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the indoor refrigerant liquid temperature sensor are used to determine sensor error. Malfunction Caused: 1. Faulty connector connection. 2.
  • Page 89 17.5.4. Compressor Low Pressure Protection (H42) Malfunction Decision Conditions: During operation of heating and after 5 minutes compressor ON, when outdoor pipe temperature below -29°C or above 26°C is detected by the outdoor pipe temperature sensor. Malfunction Caused: 1. Dust accumulation on the outdoor unit heat exchanger. 2.
  • Page 90 17.5.5. Water Flow Switch Abnormality (H62) Malfunction Decision Conditions: During operation of cooling and heating, the water flow detected by the indoor water flow switch is used to determine water flow error. Malfunction Caused: 1. Faulty water pump. 2. Water leak in system. 3.
  • Page 91 17.5.6. Outdoor High Pressure Abnormality (H64) Malfunction Decision Conditions: During operation of cooling and heating, when the outdoor high pressure sensor output signal is 0Vdc or 5Vdc. Malfunction Caused: 1. Faulty connector connection. 2. Faulty sensor. 3. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue 4 times in 20 minutes.
  • Page 92 17.5.7. Indoor Backup Heater OLP Abnormality (H70) Malfunction Decision Conditions: During operation of indoor backup heater, when no power supplies to indoor backup heater or OLP open circuit. Malfunction Caused: 1. Faulty power supply connector connection. 2. Faulty connector connection. 3.
  • Page 93 17.5.8. Tank Temperature Sensor Abnormality (H72) Malfunction Decision Conditions: When tank connection is set to ON, the temperatures detected by the tank temperature sensor are used to determine sensor error. Malfunction Caused: 1. Faulty connector connection. 2. Faulty sensor. 3. Faulty indoor unit PCB (main). Abnormality Judgment: Continue for 5 seconds.
  • Page 94 17.5.9. Indoor-Control Panel Communication Abnormality (H76) Malfunction Decision Conditions: During standby and operation of cooling and heating, indoor-control panel error occur. Malfunction Caused: 1. Faulty connector connection. 2. Faulty control panel. 3. Faulty indoor unit PCB (main).
  • Page 95 17.5.10. Indoor/Outdoor Abnormal Communication (H90) Malfunction Decision Conditions: During operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused: 1. Faulty outdoor unit PCB (main). 2. Faulty indoor unit PCB (main). 3.
  • Page 96 17.5.11. Tank Booster Heater OLP Abnormality (H91) Malfunction Decision Conditions: During operation of tank booster heater, and tank booster heater OLP open circuit. Malfunction Caused: 1. Faulty connector connection. 2. Faulty tank booster heater overload protector (OLP). 3. Faulty indoor unit PCB (main). Abnormality Judgment: Continue for 60 seconds.
  • Page 97 17.5.12. Unspecified Voltage between Indoor and Outdoor (H95) Malfunction Decision Conditions: The supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction Caused: 1. Insufficient power supply. 2. Faulty outdoor unit PCB (noise filter/main).
  • Page 98 17.5.13. Outdoor High Pressure Protection (H98) Malfunction Decision Conditions: During operation of heating, when pressure 4.0 MPa and above is detected by outdoor high pressure sensor. Malfunction Caused: 1. Faulty water pump. 2. Insufficient water flow rate in system. 3. Water leak in system. 4.
  • Page 99 17.5.14. Indoor Freeze-up Protection (H99) Malfunction Decision Conditions: During anti-freezing control in cooling operation, when the indoor refrigerant liquid temperature < 0°C. Malfunction Caused: 1. Faulty water pump. 2. Insufficient water flow rate in system. 3. Water leak in system. 4.
  • Page 100 17.5.15. Outdoor High Pressure Switch Activate (F12) Malfunction Decision Conditions: During operation of cooling and heating, when pressure 4.5MPa and above is detected by outdoor high pressure switch. Malfunction Caused: 1. Dust accumulation on the outdoor unit heat exchanger. 2. Air short circuit at outdoor unit. 3.
  • Page 101 17.5.16. Compressor Rotation Failure (F14) Malfunction Decision Conditions: A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction Caused: 1. Compressor terminal disconnect. 2. Faulty outdoor unit PCB (main). 3. Faulty compressor. Abnormality Judgment: Continue 4 times in 20 minutes.
  • Page 102 17.5.17. Outdoor Fan Motor (DC Motor) Mechanism Locked (F15) Malfunction Decision Conditions: The rotation speed detected by the Hall IC of the fan motor during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550rpm or < 50rpm). Malfunction Caused: 1.
  • Page 103 17.5.18. Input Over Current Detection (F16) Malfunction Decision Conditions: During operation of cooling and heating, when outdoor current above 27.9A is detected by the current transformer (CT) in the outdoor unit PCB. Malfunction Caused: 1. Excessive refrigerant. 2. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue 3 times in 20 minutes.
  • Page 104 17.5.19. Compressor Overheating (F20) Malfunction Decision Conditions: During operation of cooling and heating, when temperature above 112°C is detected by the compressor tank temperature sensor. Malfunction Caused: 1. Faulty compressor tank temperature sensor. 2. 2/3 way valve closed. 3. Refrigerant shortage (refrigerant leakage). 4.
  • Page 105 17.5.20. IPM Overheating (F22) Malfunction Decision Conditions: During operation of cooling and heating, when temperature 95°C is detected by the outdoor IPM temperature sensor. Malfunction Caused: 1. Faulty outdoor unit fan motor. 2. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue 3 times in 30 minutes.
  • Page 106 17.5.21. Output Over Current Detection (F23) Malfunction Decision Conditions: During operation of cooling and heating, when outdoor DC current is above 40.1 ± 5.0A (for: UD07~09CE) OR 44.7 ± 5.0A (for: UD12~16CE) is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB (main). Malfunction Caused: 1.
  • Page 107 17.5.22. Refrigeration Cycle Abnormality (F24) Malfunction Decision Conditions: 1. During operation of cooling and heating, compressor frequency > Frated. 2. During operation of cooling and heating, running current: 0.65A < I < 1.65A. 3. During operation of cooling, water inlet temperature - indoor refrigerant liquid temperature < 5°C. 4.
  • Page 108 17.5.23. Four Way Valve Abnormality (F25) Malfunction Decision Conditions: 1. During heating operation, when the indoor pipe temperature of thermostat ON indoor unit < 0°C. 2. During cooling operation, when the indoor pipe temperature of thermostat ON indoor unit > 45°C. Malfunction Caused: 1.
  • Page 109 17.5.24. Outdoor High Pressure Switch Abnormal (F27) Malfunction Decision Conditions: During compressor stop, and outdoor high pressure switch is remain opened. Malfunction Caused: 1. Faulty connector connection. 2. Faulty switch. 3. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue for 1 minute.
  • Page 110 17.5.25. Outdoor Air Temperature Sensor Abnormality (F36) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor error. Malfunction Caused: 1. Faulty connector connection. 2. Faulty sensor. 3.
  • Page 111 17.5.26. Indoor Water Inlet Temperature Sensor Abnormality (F37) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the indoor water inlet temperature sensor are used to determine sensor error. Malfunction Caused: 1. Faulty connector connection. 2.
  • Page 112 17.5.27. Outdoor Discharge Pipe Temperature Sensor Abnormality (F40) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor error. Malfunction Caused: 1. Faulty connector connection. 2.
  • Page 113 17.5.28. Power Factor Correction (PFC) Abnormality (F41) Malfunction Decision Conditions: During operation of cooling and heating, when the PFC protection circuitry in the outdoor unit PCB (main) senses abnormal high DC voltage level. Malfunction Caused: 1. Power supply surge. 2. Compressor windings not uniform. 3.
  • Page 114 17.5.29. Outdoor Pipe Temperature Sensor Abnormality (F42) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor error. Malfunction Caused: 1. Faulty connector connection. 2. Faulty sensor. 3.
  • Page 115 17.5.30. Outdoor Defrost Temperature Sensor Abnormality (F43) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the outdoor defrost temperature sensor are used to determine sensor error. Malfunction Caused: 1. Faulty connector connection. 2. Faulty sensor. 3.
  • Page 116 17.5.31. Indoor Water Outlet Temperature Sensor Abnormality (F45) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the indoor water outlet temperature sensor are used to determine sensor errors. Malfunction Caused: 1. Faulty connector connection. 2.
  • Page 117 17.5.32. Outdoor Current Transformer Open Circuit (F46) Malfunction Decision Conditions: A current transformer (CT) open circuit is detected by checking the compressor running frequency ( rated frequency) and CT detected input current (< 0.65A) for continuously 20 seconds. Malfunction Caused: 1.
  • Page 118 17.5.33. Cooling High Pressure Overload Protection (F95) Malfunction Decision Conditions: During operation of cooling, when pressure 4.0MPa and above is detected by outdoor high pressure sensor. Malfunction Caused: 1. Dust accumulation in the outdoor unit heat exchanger. 2. Air short circuit at outdoor unit. 3.

  • Page 119: Disassembly And Assembly Instructions

    18 Disassembly and Assembly Instructions WARNING High Voltage are generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 18.1.

  • Page 120: To Remove Pressure Gauge

    18.3. To Remove Pressure Gauge 18.4. To Remove Control Panel...

  • Page 121: To Remove Rccb

    18.5. To Remove RCCB 18.6. To Remove Transformer and Electronic Controller Board...

  • Page 122: To Remove Pressure Relief Valve, Flow Switch, Water Pump And Bottle Complete

    18.7. To Remove Pressure Relief Valve, Flow Switch, Water Pump and Bottle Complete When reinstall the water pipe, use grease or water at the joining.
  • Page 123 When reinstall the water pipe, use grease or water at the joining. When reinstall the water pipe, use grease or water at the joining.

  • Page 124: Technical Data

    19 Technical Data 19.1. Operation Characteristics 19.1.1. WH-SDF07C3E5 WH-UD07CE5-A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 125 Heating Characteristics at Different Piping Length Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 126 19.1.2. WH-SDF09C3E5 WH-UD09CE5-A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 127 Heating Characteristics at Different Piping Length Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 128 19.1.3. WH-SDF12C6E5 WH-UD12CE5-A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 129 Heating Characteristics at Different Piping Length Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 130 19.1.4. WH-SDF14C6E5 WH-UD14CE5-A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 131 Heating Characteristics at Different Piping Length Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 132 19.1.5. WH-SDF16C6E5 WH-UD16CE5-A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...
  • Page 133 Heating Characteristics at Different Piping Length Condition Outdoor air temperature : 7°C (DBT), 6°C (WBT) Indoor water inlet temperature : 30°C Indoor water outlet temperature : 35°C Piping length : 7m...

  • Page 134: Heating Capacity Table

    19.2. Heating Capacity Table 19.2.1. WH-SDF07C3E5 WH-UD07CE5-A Tamb 4.60 1.87 4.60 2.00 4.60 2.19 4.60 2.42 4.55 2.68 4.50 3.00 5.15 1.80 5.15 1.94 5.08 2.14 5.00 2.38 4.90 2.47 4.80 2.67 6.70 1.83 6.55 1.98 6.58 2.29 6.60 2.64 6.30...

  • Page 135: Hydraulic Pump Performance

    19.2.4. WH-SDF14C6E5 WH-UD14CE5-A Tamb 9.90 3.91 9.50 4.05 9.00 4.19 8.60 4.33 7.90 4.45 7.30 4.56 11.10 3.73 10.70 4.08 10.20 4.43 9.80 4.78 9.10 4.76 8.50 4.74 12.90 3.51 12.40 3.73 11.90 3.95 11.40 4.17 10.40 4.29 9.50 4.40 14.00 2.60 14.00...

  • Page 136: Exploded View And Replacement Parts List

    20 Exploded View and Replacement Parts List 20.1. WH-SDF07C3E5 WH-SDF09C3E5 WH-SDF12C6E5 WH-SDF14C6E5 WH-SDF16C6E5 Note: The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 137 <Model: WH-SDF07C3E5 WH-SDF09C3E5 WH-SDF12C6E5 WH-SDF14C6E5 WH-SDF16C6E5> REF. DESCRIPTION & NAME QTY. REMARKS SDF07C3E5 SDF09C3E5 SDF12C6E5 SDF14C6E5 SDF16C6E5 ← ← ← ← BASE PAN CWD521266 HOT WATER COIL-COMPLETE CWB90C1043 ← CWB90C1051 ← ← ← ← ← ← RECEIVER CWB141039 ← ← ←...

  • Page 138: Wh-Ud07Ce5-A Wh-Ud09Ce5-A

    20.2. WH-UD07CE5-A WH-UD09CE5-A...
  • Page 140 Note: The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 141 <Model: WH-UD07CE5-A WH-UD09CE5-A> REF. NO. DESCRIPTION & NAME QTY. WH-UD07CE5-A WH-UD09CE5-A REMARKS ← BASE PAN ASS’Y CWD52K1199 COMPRESSOR DC 280V 5KD240XCC21 ← ← BUSHING-COMPRESSOR MOUNT CWH50055 NUT FOR COMP. MOUNT. CWH561049 ← ← PACKING CWB811017 CONDENSER COMPLETE CWB32C2846 ← ←...

  • Page 142: Wh-Ud12Ce5-Awh-Ud14Ce5-Awh- Ud16Ce5-A

    20.3. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...
  • Page 144 Note: The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 145 <Model: WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A> REF. NO. DESCRIPTION & NAME QTY. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A REMARKS ← ← BASE PAN ASS’Y CWD52K1200 COMPRESSOR 5JD420XAA22 ← ← ← ← ANTI-VIBRATION BUSHING CWH50055 NUT FOR COMP. MOUNT. CWH561049 ← ← ← ← PACKING CWB811017 CRANKCASE HEATER CWA341053 ←...
  • Page 146 REF. NO. DESCRIPTION & NAME QTY. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A REMARKS ← ← ELECTRO MAGNETIC SWITCH K6C1AYY00003 (Note) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock. [PHAAM] Printed in Malaysia SFYW1004 - 00...

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