Panasonic WH-SDC07C3E5 Service Manual
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Panasonic WH-SDC07C3E5 Service Manual

Air-to-water heatpump
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Air-to-Water Heatpump
Indoor Unit
WH-SDC07C3E5
WH-SDC09C3E5
WH-SDC12C6E5
WH-SDC14C6E5
WH-SDC16C6E5
©
Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010.
Unauthorized copying and distribution is a violation of law.
Order No. PHAAM1006120C2
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-SDC07C3E5

  • Page 1 Order No. PHAAM1006120C2 Air-to-Water Heatpump Indoor Unit Outdoor Unit WH-SDC07C3E5 WH-UD07CE5-A WH-SDC09C3E5 WH-UD09CE5-A WH-SDC12C6E5 WH-UD12CE5-A WH-SDC14C6E5 WH-UD14CE5-A WH-SDC16C6E5 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

    1 Safety Precautions -----------------------------------------------3 14.1. Protection Control For All Operations -------------- 84 2 Specifications ------------------------------------------------------5 14.2. Protection Control For Heating Operation--------- 86 2.1. WH-SDC07C3E5 WH-UD07CE5-A ------------------5 14.3. Protection Control For Cooling Operation --------- 86 2.2. WH-SDC09C3E5 WH-UD09CE5-A ------------------8 15 Servicing Mode-------------------------------------------------- 87 2.3.

  • 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-SDC07C3E5 WH-UD07CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Cooling Capacity 6.00 BTU/h 20500 kcal/h 5160 2.61 kcal/hW Heating Capacity 7.00 BTU/h 23900 kJ/h 25200 4.40 BTU/hW 15.0 Noise Level dB (A) Cooling: 48 Heating: 48...
  • Page 6 Item Unit Input Power Cooling: 2.30 Heating: 1.59 Maximum Input Power For Heat Pump System 4.59 Maximum Input Power For Internal Heater 3.00 (6.00) (Internal Heater + Tank Heater) Starting Current 7.30 Running Current Cooling: 10.40 Heating: 7.30 Maximum Current For Heat Pump System 21.0 Maximum Current For Internal Heater 13.0 (26.0)
  • Page 7 • Heating capacities are based on outdoor air temperature of 7°C Dry Bulb (44.6°F Dry Bulb), 6°C Wet Bulb (42.8°F Wet Bulb) with controlled indoor water inlet temperature of 30°C and water outlet temperature of 35°C. • Specification are subjected to change without prior notice for further improvement.

  • Page 8: Wh-Sdc09C3E5 Wh-Ud09Ce5

    2.2. WH-SDC09C3E5 WH-UD09CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Cooling Capacity 7.00 BTU/h 23900 kcal/h 6020 2.41 kcal/hW Heating Capacity 9.00 BTU/h 30700 kJ/h 32400 4.10 BTU/hW 14.0 Noise Level dB (A) Cooling: 50 Heating: 49 Power Level dB Cooling: 68 Heating: 67 Air Flow...
  • Page 9 Item Unit Maximum Input Power For Internal Heater 3.00 (6.00) (Internal Heater + Tank Heater) Starting Current 10.10 Running Current Cooling: 13.10 Heating: 10.10 Maximum Current For Heat Pump System 22.9 Maximum Current For Internal Heater 13.0 (26.0) (Internal Heater + Tank Heater) Power Factor Cooling: 96 Heating: 95...

  • Page 10: Wh-Sdc12C6E5 Wh-Ud12Ce5-A

    2.3. WH-SDC12C6E5 WH-UD12CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Cooling Capacity 10.00 BTU/h 34100 kcal/h 8600 2.78 kcal/hW 2.39 Heating Capacity 12.00 BTU/h 41000 kJ/h 43200 4.67 BTU/hW 16.0 Noise Level dB (A) Cooling: 50 Heating: 50 Power Level dB Cooling: 68 Heating: 67 Air Flow...
  • Page 11 Item Unit Maximum Input Power For Internal Heater 6.00 (9.00) (Internal Heater + Tank Heater) Starting Current 11.7 Running Current Cooling: 16.1 Heating: 11.7 Maximum Current For Heat Pump System 24.0 Maximum Current For Internal Heater 26 (39) (Internal Heater + Tank Heater) Power Factor Cooling: 97 Heating: 96...

  • Page 12: Wh-Sdc14C6E5 Wh-Ud14Ce5-A

    2.4. WH-SDC14C6E5 WH-UD14CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Cooling Capacity 11.50 BTU/h 39200 kcal/h 9890 2.61 kcal/hW 2.24 Heating Capacity 14.00 BTU/h 47800 kJ/h 50400 4.50 BTU/hW 15.4 Noise Level dB (A) Cooling: 52 Heating: 51 Power Level dB Cooling: 70 Heating: 68 Air Flow...
  • Page 13 Item Unit Maximum Input Power For Internal Heater 6.00 (9.00) (Internal Heater + Tank Heater) Starting Current 14.1 Running Current Cooling: 19.7 Heating: 14.1 Maximum Current For Heat Pump System 25.0 Maximum Current For Internal Heater 26 (39) (Internal Heater + Tank Heater) Power Factor Cooling: 97 Heating: 96...

  • Page 14: Wh-Sdc16C6E5 Wh-Ud16Ce5-A

    2.5. WH-SDC16C6E5 WH-UD16CE5-A Item Unit Outdoor Unit Performance Test Condition EUROVENT Cooling Capacity 12.20 BTU/h 41600 kcal/h 10490 2.54 kcal/hW 2.19 Heating Capacity 16.00 BTU/h 54600 kJ/h 57600 4.23 BTU/hW 14.4 Noise Level dB (A) Cooling: 54 Heating: 53 Power Level dB Cooling: 72 Heating: 70 Air Flow...
  • Page 15 Item Unit Maximum Input Power For Internal Heater 6.00 (9.00) (Internal Heater + Tank Heater) Starting Current 17.1 Running Current Cooling: 21.5 Heating: 17.1 Maximum Current For Heat Pump System 26.0 Maximum Current For Internal Heater 26 (39) (Internal Heater + Tank Heater) Power Factor Cooling: 97 Heating: 96...

  • Page 16: 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 17: Location Of Controls And Components

    4 Location of Controls and Components 4.1. Indoor Unit 4.1.1. Location of Control...
  • Page 20 4.1.2. Weekly Timer Setting...
  • Page 21 4.1.3. Setting Up The Special Functions...

  • Page 22: Outdoor Unit

    4.1.4. Main Components 4.2. Outdoor Unit...

  • Page 23: Dimensions

    5 Dimensions 5.1. Indoor Unit...

  • Page 24: Outdoor Unit

    5.2. Outdoor Unit 5.2.1. WH-UD07CE5-A WH-UD09CE5-A...
  • Page 25 5.2.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...

  • Page 26: 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 28: Block Diagram

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

  • Page 29: Wh-Ud12Ce5-A Wh-Ud14Ce5-Awh-Ud16Ce5-A

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

  • Page 30: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. Indoor Unit 8.1.1. WH-SDC07C3E5 WH-SDC09C3E5...
  • Page 31 8.1.2. WH-SDC12C6E5 WH-SDC14C6E5 WH-SDC16C6E5...

  • Page 32: Outdoor Unit

    8.2. Outdoor Unit 8.2.1. WH-UD07CE5-A WH-UD09CE5-A...
  • Page 33 8.2.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...

  • Page 34: Electronic Circuit Diagram

    9 Electronic Circuit Diagram 9.1. Indoor Unit 9.1.1. WH-SDC07C3E5 WH-SDC09C3E5...
  • Page 35 9.1.2. WH-SDC12C6E5 WH-SDC14C6E5 WH-SDC16C6E5...

  • Page 36: Outdoor Unit

    9.2. Outdoor Unit 9.2.1. WH-UD07CE5-A WH-UD09CE5-A...
  • Page 37 9.2.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...

  • Page 38: Printed Circuit Board

    10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board...
  • Page 39 10.1.2. Solar Printed Circuit Board (Optional)

  • Page 40: Outdoor Unit

    10.2. Outdoor Unit 10.2.1. WH-UD07CE5-A WH-UD09CE5-A 10.2.1.1. Main Printed Circuit Board...
  • Page 41 10.2.1.2. Capacitor Printed Circuit Board 10.2.1.3. Noise Filter Printed Circuit Board...
  • Page 42 10.2.2. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A 10.2.2.1. Main Printed Circuit Board...
  • Page 43 10.2.2.2. Capacitor Printed Circuit Board 10.2.2.3. Noise Filter Printed Circuit Board...

  • Page 44: 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- INDOOR UNIT Length Eleva- Piping Piping tional • There should not be any heat source or steam near the unit. Model tion Length Length Refrige- Liquid •...

  • Page 45: 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 vibration.
  • Page 46 connect water outlet connector of indoor unit (indicate with 3. Connect the piping: “WATER OUT”) to boiler tank inlet. Fail to connect the tube • Align the center of piping and sufficiently tighten the flare appropriately might causing the indoor unit malfunction. nut with fingers.

  • Page 47: Connect The Cable To The Indoor Unit

    • Do not insert this hose into sewage hose or cleaning hose that may generate ammonia gas sulfuric gas etc. • If necessary, use hose clamp to further tighten the hose at drain hose connector to prevent it leakage. • The water may drip from drain hose. Therefore must ensure the outlet of the hose is always not closed or blocked.
  • Page 48 12. Solar Pump Station’s cable shall be (2 × min 0.5 mm ), of double insulation PVC-sheathed or rubber-sheathed cable. Strongly recommended install with maximum length of 10 meter only. Terminal screw Tightening torque N cm {kgf•cm} 157~196 {16~20} 196~245 {20~25} 11.3.4.1.
  • Page 49 828.38kW (for WH-SDC07C3E5/UD07CE5** and WH-SDC09C3E5/UDH09CE5**) 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 50: 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 51: 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 52: 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 53: 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- INDOOR UNIT Length Eleva- Piping Piping tional • There should not be any heat source or steam near the unit. Model tion Length Length Refrige- Liquid...

  • Page 54: 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 vibration.
  • Page 55 with “WATER IN”). spanner or ring wrench. • Connect the external filter inlet to boiler tank outlet. Then, 3. Connect the piping: connect water outlet connector of indoor unit (indicate with • Align the center of piping and sufficiently tighten the flare “WATER OUT”) to boiler tank inlet.
  • Page 56 direction and in a frost-free environment. • Guides this hose’s outlet to outdoor only. • Do not insert this hose into sewage hose or cleaning hose that may generate ammonia gas sulfuric gas etc. • If necessary, use hose clamp to further tighten the hose at drain hose connector to prevent it leakage.
  • Page 57 12. Solar Pump Station’s cable shall be (2 × min 0.5 mm ), of double insulation PVC-sheathed or rubber-sheathed cable. Strongly recommended install with maximum length of 10 meter only. Terminal screw Tightening torque N•cm {kgf•cm} 157~196 {16~20} 196~245 {20~25} 12.3.4.1.
  • Page 58 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-SDC12C6E5/UD12CE5**, WH-SDC14C6E5/UD14CE5** and WH-SDC16C6E5/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 59: 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 60 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 61 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 62: 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 63 13.1.4. Cool Mode Operation 1. 3 ways valve control: • 3 ways valve switch and fix to room side. 2. Heat pump operate follow normal cooling operation. 3. Backup heater DOES NOT operate during cool mode. 4. Solar 3 way valve operates follow solar operation specification. 5.
  • Page 64 13.1.5. Cool + Tank Mode Operation 13.1.6. Tank Mode Operation Control contents: • 3 ways valve direction - 3 ways valve switch and fix to tank side. • Heat Pump Thermostat characteristic - Water set temperature = tank set temperature or [55°C] whichever lower. - Heat Pump Water Outlet set temperature is set to Maximum (55°C) at tank mode i.
  • Page 65 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 66 Solar Priority is Set Solar Priority is Not Set...
  • Page 67 13.1.7. 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 68 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 90 seconds, switch 3 ways valve to room side. End Tank heat-up interval and start count heating heat-up interval. •...
  • Page 69 Heat + Tank (Heating No Priority) (Solar Priority Set)
  • Page 70 Heat + Tank (Heating No Priority) (Solar Priority Not Set)
  • Page 71 13.1.8. 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 72 13.1.8.1. Heating Mode Operation Time Chart Exp: 1. 3 ways valve control: • 3 ways valve switch and fix to room side. 2. Heat pump operate follow normal heating operation. 3. Backup heater operate follow normal operation. 4. Solar 3 way valve operates follow solar operation specification 5.
  • Page 73 13.1.9. Water Temperature Thermo Shift Setting • Switchs are ignored during “PUMPDW” = ON. • Switchs are ignored during “STATUS” = ON. • “ ”, “ ”, “SELECT” switch are ignored if “SETTING” = OFF. • “CANCEL” switch is ignored if “SETTING” = OFF & “STATUS” = OFF. •...

  • Page 74: 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 75: 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 76: 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 77: 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 78: Quiet Operation

    13.13. Quiet Operation • Purpose: - To provide quiet operation compare to normal operation by reduces outdoor unit noise. • Starting condition: 1. When quiet button is presses. 2. When quiet request ON time by weekly timer (Refer to control panel.) •...
  • Page 79 When solar priority is NOT SET 1. Operation condition: • Solar pump operates if all of the following conditions are fulfilled:- i) Power On. (regardless operation ON or OFF) ii) There is operation request from Solar pump station. iii) Tank hot water temp is below solar on upper limit temp [EEPROM 1 : 70]°C. iv) Heat pump thermo OFF in tank mode OR Heat pump operate to room side.
  • Page 80 (Solar Priority Not Set) Heat + Tank Mode (Heating Priority Set)
  • Page 81 Tank Mode (Solar Priority Set) (Solar Priority Not Set)

  • Page 82: External Room Thermostat Control (Optional)

    13.15. External Room Thermostat Control (Optional) Purpose: • Better room temperature control to fulfil different temperature request by external room thermostat. Recommended external room thermostat: Maker Characteristic Siemem (REV200) Touch panel Siemem (RAA200) Analog Connection external room thermostat: Wire Connection and thermo characteristic of Siemen REV200: Setting L / L1 (H) Heat Thermo...

  • Page 83: Two Ways Valve Control

    13.16. Two ways valve control Functionality of 2 ways valve: • Use to allow hot water to floor heating panel or block cold water to floor heating panel. Control contents: 1. When indoor running in heat mode, OPEN the 2 ways valve. 2.

  • Page 84: 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 85 14.1.6. Low Frequency Protection Control 1 • When the compressor continuously operates at frequency lower than 25 Hz for 240 minutes, the operation frequency will change to 24 Hz for 2 minutes. 14.1.7. Low Frequency Protection Control 2 • When all the below conditions comply, the minimum compressor frequency will change to lower frequency. Temperature, T, for: Heating Cooling...

  • Page 86: Protection Control For Heating Operation

    14.2. Protection Control For Heating Operation 14.2.1. Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rises above 14°C in order to avoid compressor overloading. 14.2.2. Deice Operation When outdoor pipe temperature and outdoor air temperature is low, deice operation start where outdoor fan motor stop. 14.3.

  • Page 87: 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 88: 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 89 6. Reset overload protector Overload Protector serves the safety purpose to prevent the water over heating. When the Overload Protector trip at high water temperature, take below steps to reset it. a. Take out OLP Cover. b. Use a test pen to push the centre button gently in order to reset the Overload protector. c.

  • Page 90: 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 91: 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 Cooling Mode Condition of the Air-to-Water Heatpump Low Pressure High Pressure Electric current Low Pressure High Pressure Electric current indoor and during operation during operation outdoor units...

  • Page 92: 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 93: 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 94 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 95: 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 96 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 97 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 98: Compressor Low Pressure Protection (H)

    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 99 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 100 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 101 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 102 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 103 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 104 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 105 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 106 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 107 17.5.13. Outdoor High Pressure Protection (H98) Malfunction Decision Conditions: During operation of heating, when pressure 4.0MPa 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 108 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 109 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 110 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 111 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 112 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 113 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 114 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 115 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 116 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 117 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 118 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 119 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 120 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 121 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 122 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 123 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 124 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 125 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 126 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 127 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 128: 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 129: To Remove Pressure Gauge

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

  • Page 130: To Remove Rccb

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

  • Page 131: 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 132 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 133: Technical Data

    19 Technical Data 19.1. Operation Characteristics 19.1.1. WH-SDC07C3E5 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 134 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 135 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 136 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 137 19.1.2. WH-SDC09C3E5 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 138 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 139 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 140 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 141 19.1.3. WH-SDC12C6E5 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 142 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 143 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 144 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 145 19.1.4. WH-SDC14C6E5 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 146 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 147 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 148 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 149 19.1.5. WH-SDC16C6E5 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 150 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...
  • Page 151 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 152 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 12°C Indoor water outlet temperature : 7°C Piping length : 7m...

  • Page 153: Heating Capacity Table

    19.2. Heating Capacity Table 19.2.1. WH-SDC07C3E5 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 154: Cooling Capacity Table

    19.2.4. WH-SDC14C6E5 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 155: Hydraulic Pump Performance

    19.4. Hydraulic Pump Performance (07C3 & 09C3) (12C6, 14C6 & 16C6)

  • Page 156: Exploded View And Replacement Parts List

    20 Exploded View and Replacement Parts List 20.1. WH-SDC07C3E5 WH-SDC09C3E5 WH-SDC12C6E5 WH-SDC14C6E5 WH-SDC16C6E5 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 157 <Model: WH-SDC07C3E5 WH-SDC09C3E5 WH-SDC12C6E5 WH-SDC14C6E5 WH-SDC16C6E5> REF. DESCRIPTION & NAME QTY. REMARKS SDC07C3E5 SDC09C3E5 SDC12C6E5 SDC14C6E5 SDC16C6E5 ← ← ← ← BASE PAN CWD521279 ← ← ← HOT WATER COIL-COMPLETE CWB90C1043 CWB90C1051 ← ← ← ← RECEIVER CWB141039 ← ←...

  • Page 158: Wh-Ud07Ce5-A Wh-Ud09Ce5-A

    20.2. WH-UD07CE5-A WH-UD09CE5-A...
  • Page 160 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 161 <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 ← CRANKCASE HEATER (COMPRESSOR) CWA341043 ←...

  • Page 162: Wh-Ud12Ce5-A Wh-Ud14Ce5-Awh-Ud16Ce5-A

    20.3. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A...
  • Page 164 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 165 <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 ←...
  • Page 166 REF. NO. DESCRIPTION & NAME QTY. WH-UD12CE5-A WH-UD14CE5-A WH-UD16CE5-A REMARKS ← ← EXPANSION VALVE CWB051028 ← ← 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 SSYW1004 - 00...

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