Panasonic WH-SHF09F3E5 Service Manual
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Panasonic WH-SHF09F3E5 Service Manual

Air-to-water heatpump
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This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the products dealt with in this service information by anyone else could result in serious injury or death.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
WH-SHF09F3E5
WH-SHF12F6E5
WARNING
PRECAUTION OF LOW TEMPERATURE
Order No. PAPAMY1402032CE
Indoor Unit
© Panasonic Corporation 2014.
Outdoor Unit
WH-UH09FE5
WH-UH12FE5
Destination
Europe

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Summary of Contents for Panasonic WH-SHF09F3E5

  • Page 1 PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit. © Panasonic Corporation 2014.

  • Page 2: Table Of Contents

    12.7 Indication Panel ...........63 19. Exploded View and Replacement Parts List136 12.8 Indoor Back-Up Heater Control ....64 12.9 Tank Booster Heater Control .......65 19.1 WH-SHF09F3E5 WH-SHF12F6E5..136 12.10 Base Pan Heater Control (Optional) ....65 19.2 WH-UH09FE5 WH-UH12FE5....138 12.11 Sterilization Mode ........66 12.12 Quiet Operation..........66...

  • 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. Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock or fire. 20. Install at a strong and firm location which is able to withstand the set’s weight. If the strength is not enough or installation is not properly done, the set will drop and cause injury.

  • Page 5: Specifications

    2. Specifications WH-SHF09F3E5 WH-UH09FE5 Item Unit Outdoor Unit Performance Test Condition EN14511 Condition A7W35 A2W35 (Ambient/Water) 9.00 9.00 Heating Capacity BTU/h 30700 30700 kcal/h 7740 7740 4.64 3.45 kcal/hW 3.99 2.97 dB (A) Noise Level Power Level dB Air Flow...
  • Page 6 Item Unit Running Current 12.5 Maximum Current For Heat Pump System 28.5 Power Factor Power factor means total figure of compressor and outdoor fan motor. Number of core Power Cord Length m (ft) Thermostat Electronic Control Protection Device Electronic Control Item Unit Indoor Unit...

  • Page 7: Wh-Shf12F6E5 Wh-Uh12Fe5

    WH-SHF12F6E5 WH-UH12FE5 Item Unit Outdoor Unit Performance Test Condition EN14511 Condition A7W35 A2W35 (Ambient/Water) 12.00 12.00 Heating Capacity BTU/h 41000 41000 kcal/h 10320 10320 4.46 3.26 kcal/hW 3.84 2.80 dB (A) Noise Level Power Level dB Air Flow /min (ft /min) 80.0 (2830) Refrigeration Control Device...
  • Page 8 Item Unit Running Current 12.9 17.2 Maximum Current For Heat Pump System 29.0 Power Factor Power factor means total figure of compressor and outdoor fan motor. Number of core Power Cord Length m (ft) Thermostat Electronic Control Protection Device Electronic Control Item Unit Indoor Unit...

  • Page 9: Features

    3. Features  Inverter Technology - Energy saving  High Efficiency  Compact Design  Environment Protection - Non-ozone depletion substances refrigerant (R407C)  Long Installation Piping - Long piping up to 30 meter with height difference 20 meter - Flexible 4-way piping for outdoor unit ...

  • Page 10: Location Of Controls And Components

    4. Location of Controls and Components Indoor Unit 4.1.1 Location of Control Water pressure gauge • Do not press or hit the glass cover using hard and sharp objects. Failure to do so may cause damage to the unit. • Ensure that the water pressure is between 0.05 and 0.3 MPa (0.1 MPa = 1 bar).
  • Page 11 4.1.2 To adjust initial settings Dealer Select menus and determine settings according to the system available in the household. It is recommended that all alterations of settings are done by an authorised dealer or specialist. Operation LED Display • After initial installation, you may manually adjust the settings. The initial setting remains active until the user changes it.
  • Page 12 Operation/settings to be done only by the authorised dealer/specialist. Dealer Operation/settings to be done by the authorised dealer/specialist or user. User Booster Heater To activate or deactivate the water tank’s booster heater. Note: If NO is selected, menu 10 is skipped. Booster Heater Delay Timer 20 minutes ~ To delay time for the booster heater to activate while the system is heating up...
  • Page 13 4.1.3 How to use User The system is turned off by an external switch. Turn on or off the system Press When the system is ON, the operation LED is lit and the actual water outlet temperature and outdoor ambient temperature are shown on the display.
  • Page 14 Operation/settings to be done only by the authorised dealer/specialist. Dealer Operation/settings to be done by the authorised dealer/specialist or user. User Dealer Display Temperature setting System temperature setting The system controls the temperature for each menu based on the outdoor ambient temperature. •...
  • Page 15 User Desired temperature setting Shifting the water temperature This easily shifts the water outlet temperature if the setting is undesirable. to enter the water temperature shifting mode. to change setting. to set the desired temperature. (temperature range: -5 °C ~ 5 °C) Temperature setting <Water outlet temperature>...

  • Page 16: Weekly Timer Setting

    Operation/settings to be done only by the authorised dealer/specialist. Dealer Operation/settings to be done by the authorised dealer/specialist or user. User User Weekly timer setting Promotes energy saving by allowing you to set up to 6 programmes in any given day. Lights up if Timer operation is selected Indicates the next timer operation programme...
  • Page 17 Dry Concrete Function • During construction to dry the concrete under a preset temperature. simultaneously and hold for 5 seconds until the display shows “ ”. (The display shows “ ”). to select day. Press to set the desired temperature. to confirm the selection.
  • Page 18 Connector name 1 phase RCCB/ELCB Water Outlet Cabinet front plate Gas Refrigerant Cabinet Liquid Refrigerant Handle (2 pieces) Water drainage Overload protector Water inlet (2 pieces for WH-SHF09F3E5 (3 pieces for WH-SHF12F6E5) Heater assembly Expansion vessel WH-SHF09F3E5 Bushing Air purge valve...

  • Page 19: Outdoor Unit

    Outdoor Unit Air inlet (rear) Air inlet (side) Air outlet...

  • Page 20: Dimensions

    5. Dimensions Indoor Unit <Top View> <Front View> <Side View> 35 98 107 115 155 <Bottom View> 205.5 98.5 Relative position between the indoor unit and the installation plate <Front View> 213.5 213.5 140.7 140.7 Installation 306.4 Plate Indoor unit external dimensions line Unit: mm...

  • Page 21: Outdoor Unit

    Outdoor Unit <Top View> <Side view> <Front View> <Side View> 318.5 <Back view> Unit: mm...

  • Page 22: Refrigeration And Water Cycle Diagram

    Max. Piping Piping Model Length Elevation Refrigerant Liquid Length Length (g/m) WH-SHF09F3E5 WH-UH09FE5 Ø15.88 mm Ø9.52 mm 5~7.5 (5/8") (3/8") WH-SHF12F6E5 WH-UH12FE5 * If piping length is over common length, additional refrigerant should be added as shown in the table.
  • Page 23 Room Thermo (Optional) Fan Coil Unit (Heating) Connect to Indoor Unit Panel Heater Unit (Heating) 3-Way Valve 2-Way Valve To Water Inlet Indoor Unit From WaterOutlet Indoor Unit Floor Heating Panel (Heating) Heater 1 (3kW) Cold Water Supply Solar Unit (Optional) Sanitary Tank...

  • Page 24: Block Diagram

    7. Block Diagram...

  • Page 25: Wiring Connection Diagram

    8. Wiring Connection Diagram Indoor Unit 8.1.1 WH-SHF09F3E5...
  • Page 26 8.1.2 WH-SHF12F6E5...

  • Page 27: Outdoor Unit

    Outdoor Unit...

  • Page 28: Electronic Circuit Diagram

    9. Electronic Circuit Diagram Indoor Unit 9.1.1 WH-SHF09F3E5...
  • Page 29 9.1.2 WH-SHF12F6E5...

  • Page 30: Outdoor Unit

    Outdoor Unit...

  • Page 31: Printed Circuit Board

    10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board CN-SOLAR CN-TH1 CN-TH2 CN-TH3 CN-FLOW CN-OLP2 CN-REMOTE2 CN-THERMO CN-PUMP2 CN-OLP1 CN-RCV2 CN-V3 CN-PWR...
  • Page 32 10.1.2 Solar Printed Circuit Board (Optional)

  • Page 33: Outdoor Unit

    10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board CN-FM2 DCN2 CN-FM1 CN-WHT AC-L COM3 AC-WHT02 AC-C AC-BLK02 CN-HT1 CN-HT2 CN-HOT CN-PSW1 CN-RY1 CN-LPS CN-TANK CN-HPS CN-TH2 CN-TH3 CN-TH1 CN-EV2 CN-DIS CN-EV...
  • Page 34 10.2.2 Noise Filter Printed Circuit Board CN-ACL AC-BLK CN-BLK CN-ACN CN-WHT 10.2.3 Capacitor Printed Circuit Board DCN-IN DCN-OUT DCP-IN AC-C...

  • Page 35: Installation Instruction

    Elevation Refrigerant Model near the unit. Length Length Liquid (g/m)  A place where air circulation in the room is good. WH-SHF09F3E5  A place where drainage can be easily done. WH-UH09FE5 ø15.88mm ø9.52mm 5~7.5 (5/8") (3/8")  A place where noise prevention is taken into...

  • Page 36: Indoor Unit

    11.3 Indoor Unit 11.3.1 How to Fix Installation Plate 11.3.3 Indoor Unit Installation The mounting wall is strong and solid enough to prevent it from vibration. 11.3.3.1 Install the Indoor Unit When connecting solar pump station cable (Unit in mm) Bolt - Wall Wall...
  • Page 37 Valve Kit Water Inlet Water (Field Outlet External Filter supply) (Field supply) Piping size (Torque) Model Liquid Solar Pump WH-SHF09F3E5 Station ø15.88 mm ø9.52 mm Tank Unit WH-UH09FE5 (Field supply) (5/8") (3/8") WH-SHF12F6E5 [65 N•m] [42 N•m] WH-UH12FE5 Diagram 4.1: Typical Water Piping Installation CAUTION ...

  • Page 38: Connect The Cable To The Indoor Unit

    11.3.4 Connect the Cable to the Indoor Unit Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × min 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 no. are the same to the indoor unit’s respectively.
  • Page 39 Terminals on the indoor 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Lead wire cord Tank Tank External Three-way Booster Heater Room Thermostat Solar Three-way Solar Pump Sensor Controller Valve Cable Valve Cable Station Cable Cord Cable...
  • Page 40 The equipment’s power supply 1 complies with IEC/EN 61000-3-12 provided that the short-circuit power S greater than or equal to 1100 kW (for WH-SHF09F3E5/UH09FE5 and SHF12F6E5/UH12FE5) at the interface point between the user’s supply and the public system. It is the responsibility of the installer or user of the...

  • Page 41: Outdoor Unit

    (Anchor pitch) (Unit in mm) 11.4.2 CONNECTING THE PIPING CAUTION Piping size (Torque) Model Do not over tighten, over tightening cause gas leakage. Liquid WH-SHF09F3E5 ø15.88 mm ø9.52 mm WH-UH09FE5 (5/8") (3/8") WH-SHF12F6E5 [65 N•m] [42 N•m]...
  • Page 42 CUTTING AND FLARING THE PIPING Please cut using pipe cutter and then remove the burrs. 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. Please make flare after inserting the flare nut onto the copper pipes.

  • Page 43: Connect The Cable To The Outdoor Unit

    11.4.4 Connect the Cable to the Outdoor Unit (FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT) Remove the control board cover from the unit by loosening the screw. 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 44 11.4.6 DISPOSAL OF OUTDOOR UNIT DRAIN WATER  When a Drain elbow is used, please ensure to follow below: the unit should be placed on a stand which is taller than 50 mm. cover the 8 holes (ø20 mm) with Rubber cap (refer to illustration below).

  • Page 45: Operation And Control

    12. Operation and Control 12.1 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 46 Heat Mode Operation Time Chart 3 ways valve 2 ways valve Open Close Heat Pump Backup Heater ID W ater Pump Solar Request Solar 3 way valve W ater Outlet Temp Tank Temp. Timer for backup Backup Heater Backup Heater heater to on back Startup Timer Startup Timer...
  • Page 47 12.1.3 Tank Mode Operation Control contents:  3 ways valve direction 3 ways valve switch to tank side during Tank Thermo ON condition. Switch 3 ways valve to room side when tank achieve Tank Thermo OFF temperature and SOLAR turn ON condition. ...
  • Page 48 65°C 60°C 63°C 67°C 67°C 67°C 67°C...
  • Page 49 72°C 65°C 60°C 65°C 60°C...
  • Page 50 12.1.4 Heat + Tank Mode Operation Setting 1: When Heating priority is set by control panel: 1. 3 ways valve control: o 3 ways valve switch to room side during External Room Thermo ON OR Solar 3 ways valve ON OR Tank Thermo OFF time, and switch to tank side at External Room Thermo OFF AND Solar 3 ways valve OFF.
  • Page 51 Characteristic of heat pump thermo ON/OFF under tank side condition Water Outlet Thermo condition Heat pump THERMO OFF TEMP: 1. Heat pump THERMO OFF TEMP = 63°C + [+4°C]. 2. Water outlet temperature > Heat pump THERMO OFF TEMP for continuous 90 seconds, heat pump OFF and water pump continue ON.
  • Page 52 Heat + Tank Mode (Heating priority set) Under Solar Priority Set Condition: Under Solar Priority Not Set Condition:...
  • Page 53 Setting 2: When heating priority is not set by control panel:  When Solar Priority is set/not set by control panel: 1. 3 ways valve control: 3 ways valve switch to room side during heating heat-up interval, and switch to tank side during tank heat-up interval.
  • Page 54 Characteristic of heat pump thermo ON/OFF under tank side condition Water Outlet Thermo condition Heat pump THERMO OFF TEMP: 1. Heat pump THERMO OFF TEMP = 63°C + [+4°C] 2. Water outlet temperature > Heat pump THERMO OFF TEMP for continuous 90 seconds, heat pump OFF but water pump continue ON.
  • Page 55 67°C 67°C 67°C 67°C...
  • Page 56 75°C 60°C 55°C 67°C 67°C 60°C...
  • Page 57 75°C 60°C 55°C 67°C 67°C 60°C...
  • Page 58 12.1.5 Setting Water Outlet Temperature for Heat Mode  The set temperature defines 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. The user has the possibility to shift up or down the target water temperature by control panel setting.
  • Page 59 12.1.6 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 60: Water Pump

    12.2 Water Pump 12.2.1 Water Pump Control  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 61 12.2.2 A-class Pump Specification Power for drive DC280-373V Pump Power for control DC15±10% Control Signal DC0V-DC6V Feedback Speed (puls signal) 4puls/rotation Control signal is analog voltage (DC0V-6V) generated by microcomputer PWM port. Microcomputer can change analog voltage by changing PWM duty. 12.2.3 Water Flow Rate Setting ...

  • Page 62: Pump Down Operation [Service Mode: 01]

    12.2.4 Water Pump Speed Feedback Error  Basically pump speed feedback is control by micon.  When pump speed is below low limit or over high limit for a few seconds, micon detect pump error and system is stopped.  Error detection conditions: ...

  • Page 63: Indoor Unit Safety

    12.5 Indoor Unit Safety 12.5.1 Indoor Unit Safety Control When water pump is ON, the system will start checking flow switch status (ON/OFF). If the flow switch ON for 10 seconds, the system will check on the water inlet temperature for 10 seconds. If the water inlet temperature not exceeds 80°C, the water pump shall be continuously running with normal mode.

  • Page 64: Indoor Back-Up Heater Control

    12.8 Indoor Back-Up Heater Control 12.8.1 Indoor Electric Heater Control Normal Heating Mode Heater On condition: a. Heater switch is ON b. After Heatpump thermo ON for [30] mins c. After water pump operate [9] mins d. Outdoor air temperature < Outdoor set temperature for heater e.

  • Page 65: Tank Booster Heater Control

    12.9 Tank Booster Heater Control 12.9.1 Tank Booster Heater Control Heating operation condition: Heater OFF Tank set temperature + Tank set temperature + [-5°C] [+2°C] Heater ON Booster heater Turn On condition: After BOOSTER HEATER DELAY TIMER fulfill during heatpump 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 66: Sterilization Mode

    12.11 Sterilization Mode  Purpose: To sterilize water tank by setting the required boiling temperature.  Control start condition: Tank connection menu is set to YES by control panel. Sterilization menu is set to YES by control panel. Sterilization signal received from control panel by timer. ...

  • Page 67: Anti Freeze Control

    12.13 Anti Freeze Control  Anti freeze protection control menu can be set YES or NO by control panel.  In heatpump system, there are 3 types of anti freeze control: 1. Expansion tank anti-freeze control  Expansion tank anti freeze heater ON condition: Outdoor ambient temp.

  • Page 68: Solar Operation (Optional)

    12.14 Solar Operation (Optional) 12.14.1 Solar Operation: External solar heat source signal can be connect to unit for proper control of heat source switching during tank boiling time. Control according to preset whether solar priority is set or not. When tank connection is NOT set at SETTING mode, solar operation is disabled. 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 69 Solar Operation Chart in different mode and condition Tank Mode (Solar Priority SET condition) Tank Mode (Solar Priority NOT SET condition)
  • Page 70 Heat + Tank Mode (Heating Priority NOT SET) (Solar Priority SET condition) When solar 3 way valve turn on during Tank interval, cancel Tank interval immediately and switch 3-way valve to the After heating/cooling interval, stand by to go in tank side after solar 3 way room side and start a heating/cooling interval.

  • Page 71: External Room Thermostat Control (Optional)

    12.15 External Room Thermostat Control (Optional) Purpose: Better room temperature control to fulfill different temperature request by external room thermostat. Recommended 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 72: Three Ways Valve Control

    12.16 Three Ways Valve Control Purpose: - 3 ways valve is used to change flow direction of hot water from heat pump between heating side and tank side. Control contents: 3 ways valve switch Off: During 3 ways valve switch Off time, the hot water will provide heat capacity to heating side. 3 ways valve switch On: During 3 ways valve switch On time, the hot water will provide heat capacity to tank side.

  • Page 73: Holiday Mode

    12.18 Holiday Mode  Purpose: Promotes energy saving by allowing the user to stop the system during holiday and enables the system to resume at the preset temperature after holiday.  Control details: Range of days can be set in holiday mode is from 1 to 999 days. After days of holiday have been set, heat pump will stop and only resume operation at 12.00am at the end of holiday countdown.

  • Page 74: Protection Control

    13. Protection Control 13.1 Protection Control for All Operations 13.1.1 Time Delay Safety Control The compressor will not start for three minutes after stop of operation. 13.1.2 30 Seconds Forced Operation Once the compressor starts operation, it will not stop its operation for 30 seconds. However, it can be stopped using control panel at indoor unit.
  • Page 75 13.1.6 Low Frequency Protection Control 2  When all the below conditions comply, the minimum compressor frequency will change to lower frequency. Temperature, T, for: Heating Outlet water (°C) T < 14 or T ≥ 48 Outdoor air (°C) T < 4 or T ≥ 24 Indoor heat exchanger (°C) T ≥...

  • Page 76: Protection Control For Heating Operation

    13.2 Protection Control for Heating Operation 13.2.1 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. 13.2.2 Deice Operation When outdoor pipe temperature and outdoor air temperature is low, deice operation start where outdoor fan motor stop.

  • Page 77: Servicing Guide

    14. Servicing Guide 14.1 How to Take Out Front Plate Please follow the steps below for take out front plate. Before removing the front plate of indoor unit, always switch off all power supply (i.e. indoor unit power supply, heater power supply and tank unit power supply). Remove the 2 mounting screws which located at bottom of the front plate and 1 mounting screw at the front of the plate.

  • Page 78: How To Adjust Water Flow Rate [Service Mode: 02]

    14.5 How to Adjust Water Flow Rate [SERVICE MODE: 02] Before adjust the water fl ow rate, make sure that the total water volume in the installation is 50 litres minimum for heating side. The default setting is SPEED 5. Please ensure the minimum fl ow rate is not less than 13 l/min and not more than 50 l/min.

  • Page 79: Eeprom Factory Default Data Setup Procedure

    14.8 EEPROM Factory Default Data Setup Procedure This process should be done at Gemstar (and/or) PAPAMY as the last process after any inspection. This condition should be activated by pressing combination of few SW's for certain time as shown. These 3 SW's should press continuously for 5secs. (Operation should be OFF during this period) When this condition is activated, default data should be written in EEPROM.

  • Page 80: Maintenance Guide

    15. 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. 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 81 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 82: Troubleshooting Guide

    16. Troubleshooting Guide 16.1 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 83: Relationship Between The Condition Of The Air-To-Water Heatpump Indoor And Outdoor Units And Pressure And Electric Current

    16.2 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 84: Breakdown Self Diagnosis Function

    16.3 Breakdown Self Diagnosis Function 16.3.1 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 85: Error Codes Table

    16.4 Error Codes Table Diagnosis display Abnormality/Protection control Abnormality judgement Primary location to verify No abnormality detected — —  Indoor/outdoor connection wire  Indoor/outdoor PCB Indoor/Outdoor capacity unmatched continue for 90 sec.  Specification and combination table in catalogue ...
  • Page 86 Diagnosis display Abnormality/Protection control Abnormality judgement Primary location to verify  Outdoor air temperature sensor Outdoor air temperature sensor Continue for 5 sec. abnormality (defective or disconnected)  Water inlet temperature sensor Indoor water inlet temperature sensor Continue for 5 sec. abnormality (defective or disconnected) Outdoor discharge pipe temperature...

  • Page 87: Self-Diagnosis Method

    16.5 Self-diagnosis Method 16.5.1 Connection Capability Rank Abnormality (H12) Malfunction Decision Conditions: During startup operation of heating, the capability rank of indoor checked by the outdoor is used to determine connection capability rank abnormality. Malfunction Caused: Wrong model interconnected. Wrong indoor unit or outdoor unit PCB (main) used. Faulty indoor unit or outdoor unit PCB (main).
  • Page 88 16.5.2 Compressor Tank Temperature Sensor Abnormality (H15) Malfunction Decision Conditions: During startup and operation of heating, the temperatures detected by the compressor tank temperature sensor are used to determine sensor error. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue for 5 seconds.
  • Page 89 16.5.3 Water Pump Abnormality (H20) Malfunction Decision Conditions: During startup and operation of cooling and heating, the rotation speed detected by the IPM of water pump motor during water pump operation is used to determine abnormal water pump (feedback of rotation > 6,000rpm or < 1,000rpm).
  • Page 90 16.5.4 Indoor Refrigerant Liquid Temperature Sensor Abnormality (H23) Malfunction Decision Conditions: During startup and operation of heating, the temperatures detected by the indoor refrigerant liquid temperature sensor are used to determine sensor error. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty indoor unit PCB (main).
  • Page 91 16.5.5 Service Valve Error (H27) Malfunction Decision Conditions: During cooling operation, when:- [a] Indoor refrigerant pipe temperature at compressor startup - present indoor refrigerant pipe temperature < 2°C [b] Present high pressure - high pressure at compressor startup < 5kg/cm **Judgment only for first time cooling operation and not during pump down operation.

  • Page 92: Compressor Low Pressure Protection (H)

    16.5.6 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: Dust accumulation on the outdoor unit heat exchanger. Air short circuit at outdoor unit.
  • Page 93 16.5.7 Water Flow Switch Abnormality (H62) Malfunction Decision Conditions: During operation of heating, the water flow detected by the indoor water flow switch is used to determine water flow error. Malfunction Caused: Air trapped in water system. Faulty water pump. Water leak in system.
  • Page 94 16.5.8 Outdoor High Pressure Abnormality (H64) Malfunction Decision Conditions: During operation of heating, when the outdoor high pressure sensor output signal is 0Vdc or 5Vdc. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue 4 times in 20 minutes.
  • Page 95 16.5.9 Deice Circulation Error (H65) Malfunction Decision Conditions: During startup and operation of deice (mode 2), the water flow (> 10l/min) detected by the water flow switch is used to determine deice circulation error. Malfunction Caused: Water flow in air-to-water heatpump indoor unit circuitry. Faulty indoor unit water flow switch.
  • Page 96 16.5.10 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: Faulty power supply connector connection. Faulty connector connection. Faulty indoor backup heater overload protector (OLP). Faulty indoor unit PCB (main).
  • Page 97 16.5.11 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: Faulty connector connection. Faulty sensor. Faulty indoor unit PCB (main). Abnormality Judgment: Continue for 5 seconds.
  • Page 98 16.5.12 Indoor-Control Panel Communication Abnormality (H76) Malfunction Decision Conditions: During standby and operation of heating, indoor-remote control error occur. Malfunction Caused: Faulty connector connection. Faulty remote control. Faulty indoor unit PCB (main).
  • Page 99 16.5.13 Indoor/Outdoor Abnormal Communication (H90) Malfunction Decision Conditions: During operation of heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused: Faulty outdoor unit PCB (main). Faulty indoor unit PCB (main). Indoor-outdoor signal transmission error due to wrong wiring.
  • Page 100 16.5.14 Tank Booster Heater OLP Abnormality (H91) Malfunction Decision Conditions: During operation of tank booster heater, and tank booster heater OLP open circuit. Malfunction Caused: Faulty connector connection. Faulty tank booster heater overload protector (OLP). Faulty indoor unit PCB (main). Abnormality Judgment: Continue for 60 seconds.
  • Page 101 16.5.15 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: Insufficient power supply. Faulty outdoor unit PCB (noise filter/main).
  • Page 102 16.5.16 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: Faulty water pump. Insufficient water flow rate in system. Water leak in system. 3 way closed.
  • Page 103 16.5.17 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: Faulty water pump. Insufficient water flow rate in system. Water leak in system. 2 way valve partially closed. Clogged expansion valve or strainer.
  • Page 104 16.5.18 Outdoor High Pressure Switch Activate (F12) Malfunction Decision Conditions: During operation of heating, when pressure 4.5MPa and above is detected by outdoor high pressure switch. Malfunction Caused: Faulty water pump. Insufficient water flow rate in system. Water leak in system. 3 way valve closed.
  • Page 105 16.5.19 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: Compressor terminal disconnect. Faulty outdoor unit PCB (main). Faulty compressor. Abnormality Judgment: Continue 4 times in 20 minutes.
  • Page 106 16.5.20 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: Operation stop due to short circuit inside the fan motor winding.
  • Page 107 16.5.21 Input Over Current Detection (F16) Malfunction Decision Conditions: During operation of heating, when outdoor current above 28.7A is detected by the current transformer (CT) in the outdoor unit PCB. Malfunction Caused: Excessive refrigerant. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue 3 times in 20 minutes.
  • Page 108 16.5.22 Compressor Overheating (F20) Malfunction Decision Conditions: During operation of heating, when temperature above 112°C is detected by the compressor tank temperature sensor. Malfunction Caused: Faulty compressor tank temperature sensor. 3 way valve closed. Refrigerant shortage (refrigerant leakage). Clogged expansion valve or strainer. Faulty outdoor unit PCB (main).
  • Page 109 16.5.23 IPM Overheating (F22) Malfunction Decision Conditions: During operation of heating, when temperature 95°C is detected by the outdoor IPM temperature sensor. Malfunction Caused: Faulty outdoor unit fan motor. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue 3 times in 30 minutes.
  • Page 110 16.5.24 Output Over Current Detection (F23) Malfunction Decision Conditions: During operation of heating, when outdoor DC current is above 54A is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB (main). Malfunction Caused: Faulty outdoor unit PCB (main). Faulty compressor.
  • Page 111 16.5.25 Refrigeration Cycle Abnormality (F24) Malfunction Decision Conditions: During operation of heating, compressor frequency > Frated. During operation of heating, running current: 0.65A < I < 1.65A. During operation of heating, indoor refrigerant liquid temperature - water inlet temperature < 5°C. Malfunction Caused: Faulty water inlet or indoor refrigerant liquid temperature sensors.
  • Page 112 16.5.26 Four Way Valve Abnormality (F25) Malfunction Decision Conditions: During heating operation, when the indoor pipe temperature of thermostat ON indoor unit < 0°C. Malfunction Caused: Faulty sensor. Faulty connector connection. Faulty outdoor unit PCB (noise filter/main). Faulty four way valve. Abnormality Judgment: Continue 4 times in 30 minutes.
  • Page 113 16.5.27 Outdoor High Pressure Switch Abnormal (F27) Malfunction Decision Conditions: During compressor stop, and outdoor high pressure switch is remain opened. Malfunction Caused: Faulty connector connection. Faulty switch. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue for 1 minute.
  • Page 114 16.5.28 Indoor Water Outlet Temperature Sensor 2 Abnormality (F30) Malfunction Decision Conditions: During startup and operation of cooling and heating, the temperatures detected by the indoor water outlet temperature sensor 2 are used to determine sensor error. Malfunction Caused: Faulty connector connection. Faulty sensor.
  • Page 115 16.5.29 Outdoor Air Temperature Sensor Abnormality (F36) Malfunction Decision Conditions: During startup and operation of heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor error. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue for 5 seconds.
  • Page 116 16.5.30 Indoor Water Inlet Temperature Sensor Abnormality (F37) Malfunction Decision Conditions: During startup and operation of heating, the temperatures detected by the indoor water inlet temperature sensor are used to determine sensor error. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty indoor unit PCB (main).
  • Page 117 16.5.31 Outdoor Discharge Pipe Temperature Sensor Abnormality (F40) Malfunction Decision Conditions: During startup and operation of heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor error. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main).
  • Page 118 16.5.32 Power Factor Correction (PFC) Abnormality (F41) Malfunction Decision Conditions: During operation of heating, when the PFC protection circuitry in the outdoor unit PCB (main) senses abnormal high DC voltage level. Malfunction Caused: Power supply surge. Compressor windings not uniform. Faulty outdoor unit PCB (main).
  • Page 119 16.5.33 Outdoor Pipe Temperature Sensor Abnormality (F42) Malfunction Decision Conditions: During startup and operation of heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor error. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue for 5 seconds.
  • Page 120 16.5.34 Outdoor Defrost Temperature Sensor Abnormality (F43) Malfunction Decision Conditions: During startup and operation of heating, the temperatures detected by the outdoor defrost temperature sensor are used to determine sensor error. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue for 5 seconds.
  • Page 121 16.5.35 Indoor Water Outlet Temperature Sensor Abnormality (F45) Malfunction Decision Conditions: During startup and operation of heating, the temperatures detected by the indoor water outlet temperature sensor are used to determine sensor errors. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty indoor unit PCB (main).
  • Page 122 16.5.36 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: CT defective.
  • Page 123 16.5.37 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: Dust accumulation in the outdoor unit heat exchanger. Air short circuit at outdoor unit. 2 way valve closed.

  • Page 124: Disassembly And Assembly Instructions

    17. 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. 17.1 To Remove Front Plate Please follow the steps below for take out front plate.

  • Page 125: To Remove Pressure Gauge

    17.3 To Remove Pressure Gauge Pressure Gauge 1. Remove 3 screws then use spanner to release nut of Pressure Gauge. 17.4 To Remove Control Panel 1. Disconnect the connector Control Panel of CN-REMOTE2 (WHT) from the Electronic Controller Board. Electronic Controller Board 2.

  • Page 126: To Remove Rccb

    17.5 To Remove RCCB 1. Disconnect 2 lead wires 2. Disconnect 2 lead wires (Black and White). (Black and White). 3. Remove screws to remove RCCB. RCCB...

  • Page 127: To Remove Transformer And Electronic Controller Board

    17.6 To Remove Transformer and Electronic Controller Board Transformer 4. Remove screw to remove 2. Remove 3 screws to the Electronic Control Board. remove Transformer. Electronic Controller Board CN-T1 1. Disconnect the 2 lead wire 3. Disconnect all connectors, T1, T2 (Black) and connector CN-PWR (BLK), SN-SOLAR (WHT), CN-T1 (WHT) from the CN-PUMP2 (WHT), CN-V2 (WHT),...

  • Page 128: To Remove Water Pump And Bottle Complete

    During reinstall Air Purge Valve. Make sure plug is fully close in clockwise direction. Apply some water based grease on packing surface Packing before fix with shut off valve. 17.8 To Remove Water Pump and Bottle Complete 2. Loosen the nut. 3.
  • Page 129 4. Disconnect the connector of CN-OLP1 and lead wire HT1-L1, HT1-L2 and HT1-L3. 5. Loosen 3 nuts. Bottle Complete 6. Remove 4 screws to remove the Bottle Complete. When reinstall the water pipe, use grease or water at the joining.

  • Page 130: Technical Data

    18. Technical Data 18.1 Operation Characteristics 18.1.1 WH-SHF09F3E5 WH-UH09FE5 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 : 7 m 13.000...
  • 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 : 7 m 10.000 9.000 8.000 7.000 6.000 5.000 Piping Length (m) 3.000 2.500 2.000...
  • Page 132 18.1.2 WH-SHF12F6E5 WH-UH12FE5 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 : 7 m 15.000 14.000 13.000 12.000 11.000 10.000 Outdoor Temperature (°C)
  • 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 : 7 m 13.000 12.000 11.000 10.000 9.000 8.000 Piping Length (m) 4.000 3.500 3.000...

  • Page 134: Heating Capacity Table

    18.2 Heating Capacity Table 18.2.1 WH-UH09FE5 Water Out (°C) Input Input Input Input Input Input Capacity Capacity Capacity Capacity Capacity Capacity Outdoor Air (°C) Power Power Power Power Power Power 9000 3460 9000 3710 9000 4010 8800 4260 8600 4610 8500 4910 9000...

  • Page 135: Heating Capacity Table

    18.3 Heating Capacity Table WH-SHF09 WH-SHF12 Outdoor Air (°C) Capacity Input Power Capacity Input Power 9000 1950 12000 2710 9000 1940 12000 2690 8000 1840 10300 2510 7400 1840 9500 2510 7000 1840 9000 2510 18.4 Usage Limitation...

  • Page 136: Exploded View And Replacement Parts List136

    19. Exploded View and Replacement Parts List 19.1 WH-SHF09F3E5 WH-SHF12F6E5 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-SHF09F3E5 WH-SHF12F6E5> SAFETY REF. NO. DESCRIPTION & NAME QTY. WH-SHF09F3E5 WH-SHF12F6E5 REMARK BASE PAN CWD521266 ← HOT WATER COIL - COMPLETE CWB90C1088 ← RECEIVER CWB141039 ← FLOW SWITCH CWB621128 ← FLARE NUT (28 mm) CWT251064 ← FLARE NUT (22 mm) CWT251061 ←...

  • Page 138: Wh-Uh09Fe5 Wh-Uh12Fe5

    19.2 WH-UH09FE5 WH-UH12FE5...
  • 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-UH09FE5 WH-UH12FE5> SAFETY REF. NO. DESCRIPTION & NAME QTY. WH-UH09FE5 WH-UH12FE5 REMARK BASE PAN ASS’Y CWD52K1275 ← COMPRESSOR 4JD650XAA22 ← BUSHING - COMPRESSOR MOUNT CWH50055 ← NUT - COMPRESSOR MOUNT CWH561049 ← GASKET FOR TERMINAL COVER CWB811017 ← CRANKCASE HEATER CWA341053 ←...
  • Page 142 SAFETY REF. NO. DESCRIPTION & NAME QTY. WH-UH09FE5 WH-UH12FE5 REMARK V-COIL COMPLETE (BYPASS EXP.VALVE) CWA43C2335 ← SENSOR - COMP. (BYPASS AND EVA EXIT CWA50C3165 ← TEMP.) ELECTRONIC CONTROLLER - CAPACITOR CWA747853 ← ACCESSORY CO. (RUBBER CAP) CWH82C1839 ← ACCESSORY -C OMPLETE CWH82C2031 ←...

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