Panasonic WH-SDC12F6E5 Service Manual
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Panasonic WH-SDC12F6E5 Service Manual

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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.
Indoor Unit
WH-SDC12F6E5
WH-SDC14F6E5
WH-SDC16F6E5
WARNING
PRECAUTION OF LOW TEMPERATURE
Order No: PAPAMY1404034CE

Outdoor Unit

WH-UD12FE5
WH-UD14FE5
WH-UD16FE5
Destination
Europe
© Panasonic Corporation 2014.

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Summary of Contents for Panasonic WH-SDC12F6E5

  • Page 1: Outdoor Unit

    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

    13.18 External OFF/ON Control ......93 13.19 Holiday Mode ..........94 2. Specifications .............5 13.20 Dry Concrete Function ........ 94 WH-SDC12F6E5 WH-UD12FE5 ....5 14. Protection Control ........... 95 WH-SDC14F6E5 WH-UD14FE5 ....8 WH-SDC16F6E5 WH-UD16FE5 ....11 14.1 Protection Control for All Operations ..95 14.2 Protection Control for Heating Operation..

  • 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 WARNING 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 WH-SDC12F6E5 WH-UD12FE5 Item Unit Outdoor Unit Performance Test Condition EUROVENT Condition A35W7 (Ambient/Water) 10.00 Cooling Capacity BTU/h 34100 kcal/h 8600 2.81 Cooling EER kcal/hW 2.42 Condition A7W35 A2W35 (Ambient/Water) 12.00 11.40 Heating Capacity BTU/h 41000 38900 kJ/h 10320 9800 4.74...
  • Page 6 Item Unit Outdoor Unit ø Single Power Source (Phase, Voltage, Cycle) Condition A35W7 A7W35 A2W35 (Ambient/Water) Input Power Cooling: 3.56 Heating: 2.53 Heating: 3.31 Maximum Input Power For Heatpump System 5.30 Power Supply 1 : Phase (Ø) / Max. Current (A) / Max. Input Power (W) 1Ø...
  • Page 7 Item Unit Indoor Unit Volume Expansion Vessel Capacity of Integrated Electric Heater 6.00 Note:  Cooling capacities are based on outdoor air temperature of 35°C Dry Bulb with controlled indoor water inlet temperature of 12°C and water outlet temperature of 7°C. ...

  • Page 8: Wh-Sdc14F6E5 Wh-Ud14Fe5

    WH-SDC14F6E5 WH-UD14FE5 Item Unit Outdoor Unit Performance Test Condition EUROVENT Condition A35W7 (Ambient/Water) 11.50 Cooling Capacity BTU/h 39200 kcal/h 9890 2.64 Cooling EER kcal/hW 2.27 Condition A7W35 A2W35 (Ambient/Water) 14.00 12.40 Heating Capacity BTU/h 47800 42300 kJ/h 12040 10660 4.56 3.36 Heating COP kcal/hW...
  • Page 9 Item Unit Outdoor Unit ø Single Power Source (Phase, Voltage, Cycle) Condition A35W7 A7W35 A2W35 (Ambient/Water) Input Power Cooling: 4.36 Heating: 3.07 Heating: 3.69 Maximum Input Power For Heatpump System 5.52 Power Supply 1 : Phase (Ø) / Max. Current (A) / Max. Input Power (W) 1Ø...
  • Page 10 Item Unit Indoor Unit Volume Expansion Vessel Capacity of Integrated Electric Heater 6.00 Note:  Cooling capacities are based on outdoor air temperature of 35°C Dry Bulb with controlled indoor water inlet temperature of 12°C and water outlet temperature of 7°C. ...

  • Page 11: Wh-Sdc16F6E5 Wh-Ud16Fe5

    WH-SDC16F6E5 WH-UD16FE5 Item Unit Outdoor Unit Performance Test Condition EUROVENT Condition A35W7 (Ambient/Water) 12.20 Cooling Capacity BTU/h 41600 kcal/h 10490 2.56 Cooling EER kcal/hW 2.20 Condition A7W35 A2W35 (Ambient/Water) 16.00 13.00 Heating Capacity BTU/h 54600 44300 kJ/h 13760 11180 4.28 3.28 Heating COP kcal/hW...
  • Page 12 Item Unit Outdoor Unit ø Single Power Source (Phase, Voltage, Cycle) Condition A35W7 A7W35 A2W35 (Ambient/Water) Input Power Cooling: 4.76 Heating: 3.74 Heating: 3.96 Maximum Input Power For Heatpump System 5.74 Power Supply 1 : Phase (Ø) / Max. Current (A) / Max. Input Power (W) 1Ø...
  • Page 13 Item Unit Indoor Unit Volume Expansion Vessel Capacity of Integrated Electric Heater 6.00 Note:  Cooling capacities are based on outdoor air temperature of 35°C Dry Bulb with controlled indoor water inlet temperature of 12°C and water outlet temperature of 7°C. ...

  • Page 14: Features

    3. Features  Inverter Technology - Energy saving  High Efficiency  Environment Protection - Non-ozone depletion substances refrigerant (R410A)  Long Installation Piping - Long piping up to 30 meter with height difference 20 meter - Flexible 4-way piping for outdoor unit ...

  • Page 15: 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 16 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 17 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 11 is skipped. Booster Heater Delay Timer 20 minutes ~ To delay time for the booster heater to activate while the system is heating up...
  • Page 18 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 19 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 20 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 21: 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 22 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 23: Main Components

    4.1.4 Main Components Control panel Pressure relief valve Flow switch Pressure gauge Water pump 1 phase RCCB/ELCB Connector name 1 phase RCCB/ELCB Water Outlet Cabinet front plate Gas Refrigerant Cabinet Liquid Refrigerant Handle (2 pieces) Water drainage Overload protector (3 pieces) Water inlet Heater assembly Expansion vessel...

  • Page 24: Outdoor Unit

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

  • Page 25: 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 26: Outdoor Unit

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

  • Page 27: Refrigeration And Water Cycle Diagram

    6. Refrigeration and Water Cycle Diagram Outdoor Indoor Side Side Water Pressure Gauge Expansion Liquid Vessel Water Capillary Side Flow Expansion (3-Way Tube Switch Valve Strainer Strainer Valve) Water Inlet (Connect Water Pipe Pump Sanitary Temp. Tank) Sensor Pipe Defrost Temp.
  • Page 28 Room Thermo Fan Coil Unit (Heating / Cooling) Connect to Indoor Unit Panel Heater Unit (Heating) 3-Way Valve 2-Way Valve Floor Heating Panel (Heating) Heater 1 (3kW) To Water Inlet Indoor Unit From Water Outlet Cold Water Indoor Unit Supply Solar Unit Buffer Tank Unit...

  • Page 29: Block Diagram

    7. Block Diagram...

  • Page 30: Wiring Connection Diagram

    8. Wiring Connection Diagram Indoor Unit...

  • Page 31: Outdoor Unit

    Outdoor Unit...

  • Page 32: Electronic Circuit Diagram

    9. Electronic Circuit Diagram Indoor Unit...

  • Page 33: Outdoor Unit

    Outdoor Unit...

  • Page 34: 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-T1 CN-OLP2 CN-REMOTE2 CN-THERMO CN-PUMP2 CN-OLP1 CN-RCV2 CN-V3 CN-PWR CN-V2...
  • Page 35 10.1.2 Solar Printed Circuit Board (Optional)

  • Page 36: 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 AC-BLK01 CN-V1 CN-HT1 CN-HT2 CN-HOT CN-PSW1 CN-RY1 CN-TANK CN-HPS CN-TH2 CN-TH3 CN-TH1 CN-DIS CN-EV...
  • Page 37 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...

  • Page 38: Installation Instruction

    11. Installation Instruction (WH-SDC12F6E5 WH-UD12FE5 only) 11.1 Select the Best Location INDOOR UNIT  There should not be any heat source or steam near the unit.  A place where air circulation in the room is good.  A place where drainage can be easily done.

  • Page 39: 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 the vibration. 11.3.3.1 Install the Indoor Unit When connecting solar pump station cable (Unit in mm) Bolt - Wall Wall...
  • Page 40 Air-to-Water Tank Unit) Heatpump Piping size (Torque) Indoor Unit Radiator/ Floor Model Liquid Heater 3-Way ø15.88 mm ø9.52 mm WH-SDC12F6E5 Water Inlet Valve Kit Water (5/8") (3/8") (Field Outlet Do not install radiator / WH-UD12FE5 External Filter [65 N•m] [42 N•m] supply) fl...
  • Page 41 11.3.3.6 Drain Elbow and Hose Installation   Fix the drain elbow and packing to the bottom Water will drip from this hose, therefore the outlet of indoor unit, as shown in below illustration. of this hose must be installed in an area where the ...
  • Page 42 External Controller shall be connected to 1-pole switch with min 3.0 mm contact gap. (connection refer to Diagram 5.2). Its cable must be (2 × min 0.5 mm ), double insulation layer of PVC-sheathed or rubber- sheathed cable. * note: - When making such connection, kindly remove the jumper between terminal no. 17 and 18. - Switch used shall be CE compliance component.
  • Page 43 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 1200 kW (for WH-SDC12F6E5/UD12FE5) 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...

  • Page 44: Outdoor Unit

    11.4.2 CONNECTING THE PIPING Piping size (Torque) CAUTION Model Liquid Do not over tighten, over tightening cause gas leakage. ø15.88 mm ø9.52 mm WH-SDC12F6E5 (5/8") (3/8") WH-UD12FE5 [65 N•m] [42 N•m] Service panel Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter.
  • Page 45 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 46 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 47 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 48: Installation Instruction

    12. Installation Instruction (WH-SDC14/16F6E5 WH-UD14/16FE5 only) 12.1 Select the Best Location INDOOR UNIT  There should not be any heat source or steam near the unit.  A place where air circulation in the room is good.  A place where drainage can be easily done. ...

  • Page 49: Indoor Unit

    12.3 Indoor Unit 12.3.1 How to Fix Installation Plate 12.3.3 Indoor Unit Installation The mounting wall is strong and solid enough to prevent it from the vibration. 12.3.3.1 Install the Indoor Unit When connecting solar pump station cable (Unit in mm) Bolt - Wall Wall...
  • Page 50 Further tighten the flare nut with torque Room Thermostat (Field Supply) wrench in specified torque as stated in the 3-Way Valve Kit table. Fan Coil Unit Panasonic (Complete with Air-to-Water Tank Unit) Heatpump Piping size (Torque) Indoor Unit...
  • Page 51 12.3.3.6 Drain Elbow and Hose Installation   Fix the drain elbow and packing to the bottom Water will drip from this hose, therefore the outlet of indoor unit, as shown in below illustration. of this hose must be installed in an area where the ...
  • Page 52 External Controller shall be connected to 1-pole switch with min 3.0 mm contact gap. (connection refer to Diagram 5.2). Its cable must be (2 × min 0.5 mm ), double insulation layer of PVC-sheathed or rubber- sheathed cable. * note: - When making such connection, kindly remove the jumper between terminal no. 17 and 18. - Switch used shall be CE compliance component.
  • Page 53 Solar Pump Station Cable Detail A (Optional) Solar Three-way Valve Cable (Optional) External Control Cable (Optional) Tank Sensor Cable (Optional) Tank OLP Cable (Optional) Room Thermostat Cable (Optional) Booster Heater Cord (Optional) Earth wire must be longer than other cables for safety reasons.

  • Page 54: 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. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). When installing at roof, please consider strong wind and earthquake.
  • Page 55 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 56 12.4.4 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 57 12.4.6 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 58: 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 59 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 60: Cooling Operation

    13.1.3 Cooling Operation 13.1.3.1 Thermostat control  Compressor is OFF when Water Outlet Temperature – Internal Water Setting Temperature > -1.5°C for continuously 3 minutes.  Compressor is ON after waiting for 3 minutes, if the Water Outlet Temperature – Water Inlet Temperature (temperature at thermostat OFF is triggered) >3°C.
  • Page 61 13.1.4 Auto Mode Operation COOL MODE Heat To Cool Setting Temp. Cool To Heat Setting Temp. HEAT MODE Outdoor Ambient  Control details: To enable the unit to operate either heat or cool mode automatically, heat to cool set temperature and cool to heat set temperature can be set by control panel.
  • Page 62 13.1.5 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 63 57°C 57°C 57°C 57°C...
  • Page 65 13.1.6 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 66 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 = 53°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 67 Heat + Tank Mode (Heating priority set) Under Solar Priority Set Condition: Under Solar Priority Not Set Condition:...
  • Page 68 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 69 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 = 53°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 72 50°C 57°C 57°C 50°C...
  • Page 73 13.1.7 Cool + Tank Mode Operation 13.1.7.1 Cooling Priority SET 1. 3 ways valve control:  3 ways valve switch to room side during External Room Thermo ON OR Tank Thermo OFF time, and switch to tank side at External Room Thermo OFF AND Solar 3 ways valve OFF. 2.
  • Page 74 Characteristic of heat pump thermo ON/OFF under tank side condition a) Water Outlet Thermo Condition Heat pump THERMO OFF TEMP: 1. Heat pump THERMO OFF TEMP = [53°C] + [+4°C]. 2. Water outlet temperature > Heat pump THERMO OFF TEMP for continuous 3 minutes, heat pump OFF. Next THERMO ON TEMP: 1.
  • Page 75 13.1.7.2 Cooling Priority NOT SET 1. 3 ways valve control:  3 ways valve switch to room side during room cooling interval and switch to tank side during tank heat-up interval. Both modes will switch alternately. Tank mode is the initial running mode of this cool + tank mode. 2.
  • Page 76 Water Inlet Thermo Condition Heat pump THERMO OFF TEMP: Water inlet temperature > [55°C] for continuous 60 seconds, heat pump OFF. THERMO ON TEMP: THERMO ON TEMP = Water inlet temperature > [55°C]. c) Solar Operation Condition (Only under Solar Priority Set Condition) ...
  • Page 77 13.1.8 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 78 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 79: Water Pump

    13.2 Water Pump 13.2.1 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 80 Press SELECt button then press button to change SPEED and press SET to confirm. Press OFF/ON button to quit setting. (WH-SDC12F6E5) (WH-SDC14/16F6E5) Note: * Before adjust the water flow rate, make sure that the total water volume in the installation is minimum 50 litres for heating side.

  • Page 81: Pump Down Operation [Service Mode: 01]

    13.2.4 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 82: Indoor Unit Safety

    13.5 Indoor Unit Safety 13.5.1 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 83: Indoor Back-Up Heater Control

    13.8 Indoor Back-Up Heater Control 13.8.1 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 84: Tank Booster Heater Control

    13.9 Tank Booster Heater Control 13.9.1 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 85: Sterilization Mode

    13.11 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 86: Anti Freeze Control

    13.13 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 87: Solar Operation (Optional)

    13.14 Solar Operation (Optional) 13.14.1 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 88 Solar Operation Chart in different mode and condition Tank Mode (Solar Priority SET condition) Tank Mode (Solar Priority NOT SET condition)
  • Page 89 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 90 Heat + Tank Mode (Heating Priority SET) & Cool + Tank Mode 3 way valve Room Side Heatpump Booster heater Off due to solar 3 way valve on Booster heater Thermo Off Solar priority set Booster heater Solar priority not Solar request Solar off due to upper limit...

  • Page 91: External Room Thermostat Control (Optional)

    13.15 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 92: Three Ways Valve Control

    13.16 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 93: External Off/On Control

    13.18 External OFF/ON Control  Communication circuit between indoor unit and external controller is as per below. External Controller mico Panasonic CN-THERMO  Maximum length of communication cable is 20 meter.  Control content: External Control Switch Control Panel OFF/ON...

  • Page 94: Holiday Mode

    13.19 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 95: Protection Control

    14. Protection Control 14.1 Protection Control for All Operations 14.1.1 Time Delay Safety Control The compressor will not start for three minutes after stop of operation. 14.1.2 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 96 14.1.5 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 Outlet water (°C) T < 14 or T ≥ 48 T < 14 or T ≥ 30 Outdoor air (°C) T <...

  • Page 97: 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.
  • Page 98  Deice operation time diagram a. Deice mode 1 control: Free Free Compressor Four way valve ID pump OD fan Free Free Expansion valve Free max 9 minutes 30 seconds deice 1 b. Deice mode 2 control: Deice mode 2 Normal Heating Deice...

  • Page 99: Protection Control For Cooling Operation

    14.3 Protection Control for Cooling Operation 14.3.1 Outdoor Air Temperature Control  The Compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below.  This control will begin 1 minute after the compressor starts. ...

  • Page 100: Servicing Guide

    15. Servicing Guide 15.1 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 101: How To Adjust Water Flow Rate [Service Mode: 02]

    In AIR PURGE function, the pump will operate ON and OFF for 10 minutes to purge the air in the hydraulic system. Press again the FORCE button to exit AIR PURGE function. PUMP SPEED ADJUST MODE will stop operation. (WH-SDC12F6E5) (WH-SDC14/16F6E5) 15.6...

  • Page 102: How To Unlock Cool Mode

    15.7 How to Unlock Cool Mode Press buttons SET and SERVICE for 5 seconds. Press SELECT button. Unlock COOL mode with ▲/▼. Press SET button. 15.8 Dry Concrete [SERVICE MODE: 03]  If Dry Concrete has been set, Dry Concrete status can be activated and monitored by following procedure. Press SERVICE button for 5 seconds.

  • Page 103: 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. 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 104 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 105: 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.

  • Page 106: 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 107: 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 108: Error Codes Table

    17.4 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 90s after power supply  Specification and combination table in catalogue ...
  • Page 109 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 110: 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: Wrong model interconnected. Wrong indoor unit or outdoor unit PCB (main) used.
  • Page 111 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: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main).
  • Page 112 17.5.3 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 113 17.5.4 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: Faulty connector connection. Faulty sensor.
  • Page 114 17.5.5 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 115 17.5.6 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 116 17.5.7 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: Faulty water pump. Water leak in system. Faulty connector connection.
  • Page 117 17.5.8 Outdoor High Pressure Abnormality (H64) Malfunction Decision Conditions: During operation of cooling and heating, when the outdoor high pressure sensor output signal is 0 Vdc or 5 Vdc. Malfunction Caused: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue 4 times in 20 minutes.
  • Page 118 17.5.9 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 119 17.5.10 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 120 17.5.11 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 121 17.5.12 Indoor-Control Panel Communication Abnormality (H76) Malfunction Decision Conditions: During standby and operation of cooling and heating, indoor-control panel error occur. Malfunction Caused: Faulty connector connection. Faulty control panel. Faulty indoor unit PCB (main).
  • Page 122 17.5.13 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: Faulty outdoor unit PCB (main). Faulty indoor unit PCB (main). Indoor-outdoor signal transmission error due to wrong wiring.
  • Page 123 17.5.14 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 124 17.5.15 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 125 17.5.16 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. 2/3 way closed.
  • Page 126 17.5.17 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 127 17.5.18 Outdoor High Pressure Switch Activate (F12) Malfunction Decision Conditions: During operation of cooling and heating, when pressure 4.5 MPa and above is detected by outdoor high pressure switch. Malfunction Caused: Dust accumulation on the outdoor unit heat exchanger. Air short circuit at outdoor unit. Faulty water pump.
  • Page 128 17.5.19 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 129 17.5.20 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 > 2550 rpm or < 50 rpm). Malfunction Caused: Operation stop due to short circuit inside the fan motor winding.
  • Page 130 17.5.21 Input Over Current Detection (F16) Malfunction Decision Conditions: During operation of cooling and heating, when outdoor current above 24.1 A (Heating) and 16.1 A (Cooling) [UD12FE5)], 25.1 A (Heating) and 19.8 A (Cooling) [UD14FE5)] and 26.1 A (Heating) and 22.8 A (Cooling) [UD16FE5)] is detected by the current transformer (CT) in the outdoor unit PCB.
  • Page 131 17.5.22 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: Faulty compressor tank temperature sensor. 2/3 way valve closed. Refrigerant shortage (refrigerant leakage). Clogged expansion valve or strainer.
  • Page 132 17.5.23 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: Faulty outdoor unit fan motor. Faulty outdoor unit PCB (main). Abnormality Judgment: Continue 3 times in 30 minutes.
  • Page 133 17.5.24 Output Over Current Detection (F23) Malfunction Decision Conditions: During operation of cooling and heating, when outdoor DC current is above 34 A is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB (main). Malfunction Caused: Faulty outdoor unit PCB (main).
  • Page 134 17.5.25 Refrigeration Cycle Abnormality (F24) Malfunction Decision Conditions: During operation of cooling and heating, compressor frequency > Frated. During operation of cooling and heating, running current: 0.65 A < I < 1.65 A. During operation of cooling, water inlet temperature - indoor refrigerant liquid temperature < 5°C. During operation of heating, indoor refrigerant liquid temperature - water inlet temperature <...
  • Page 135 17.5.26 Four Way Valve Abnormality (F25) Malfunction Decision Conditions: During heating operation, when the indoor pipe temperature of thermostat ON indoor unit < 0°C. During cooling operation, when the indoor pipe temperature of thermostat ON indoor unit > 45°C. Malfunction Caused: Faulty sensor.
  • Page 136 17.5.27 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 137 17.5.28 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 138 17.5.29 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: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main).
  • Page 139 17.5.30 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: Faulty connector connection. Faulty sensor.
  • Page 140 17.5.31 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: Faulty connector connection. Faulty sensor.
  • Page 141 17.5.32 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: Power supply surge. Compressor windings not uniform. Faulty outdoor unit PCB (main).
  • Page 142 17.5.33 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: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main).
  • Page 143 17.5.34 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: Faulty connector connection. Faulty sensor. Faulty outdoor unit PCB (main).
  • Page 144 17.5.35 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: Faulty connector connection. Faulty sensor.
  • Page 145 17.5.36 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 (< 0.65 A) for continuously 20 seconds. Malfunction Caused: CT defective.
  • Page 146 17.5.37 Cooling High Pressure Overload Protection (F95) Malfunction Decision Conditions: During operation of cooling, when pressure 4.0 MPa 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 147: 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 To Remove Front Plate Please follow the steps below for take out front plate.

  • Page 148: To Remove Pressure Gauge

    18.3 To Remove Pressure Gauge Pressure Gauge 1. Remove 3 screws then use spanner to release nut of Pressure Gauge. 18.4 To Remove Control Panel 1. Disconnect the connector Control Panel of CN-REMOTE2 (WHT) from the Electronic Controller Board. Electronic Controller Board 2.

  • Page 149: To Remove Rccb

    18.5 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 150: To Remove Transformer And Electronic Controller Board

    18.6 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 151: 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. 18.8 To Remove Water Pump and Bottle Complete 2. Loosen the nut. 3.
  • Page 152 4. Disconnect the connector of CN-OLP1 and lead wire 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. rease or water at the joining.

  • Page 153: Technical Data

    19. Technical Data 19.1 Operation Characteristics 19.1.1 WH-SDC12F6E5 WH-UD12FE5 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 154 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 : 7 m 12.500 11.500 10.500 9.500 8.500 7.500 Outdoor Temperature (°C) 5.500 4.500 3.500...
  • Page 155 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 19°C Indoor water outlet temperature : 14°C Piping length : 7 m 16.000 15.000 14.000 13.000 12.000 11.000 Outdoor Temperature (°C) 5.500 4.500 3.500...
  • Page 156 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 23°C Indoor water outlet temperature : 18°C Piping length : 7 m 12.000 11.000 10.000 9.000 8.000 7.000 Outdoor Temperature (°C) 5.500 4.500 3.500...
  • Page 157 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 12.500 12.000 11.500 11.000 10.500 10.000 Piping Length (m) 4.000 3.500 3.000...
  • Page 158 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 : 7 m 11.000 10.000 9.000 8.000 7.000 6.000 Piping Length (m) 3.800 3.700 3.600...
  • Page 159 19.1.2 WH-SDC14F6E5 WH-UD14FE5 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 15.500 14.000 12.500 11.000 9.500 8.000 Outdoor Temperature (°C)
  • Page 160 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 : 7 m 16.000 14.000 12.000 10.000 8.000 6.000 Outdoor Temperature (°C) 5.500 4.500 3.500...
  • Page 161 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 19°C Indoor water outlet temperature : 14°C Piping length : 7 m 20.000 18.000 16.000 14.000 12.000 10.000 Outdoor Temperature (°C) 6.500 5.500 4.500...
  • Page 162 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 23°C Indoor water outlet temperature : 18°C Piping length : 7 m 16.000 14.000 12.000 10.000 8.000 6.000 Outdoor Temperature (°C) 5.500 4.500 3.500...
  • Page 163 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 14.500 14.000 13.500 13.000 12.500 12.000 Piping Length (m) 4.000 3.500 3.000...
  • Page 164 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 : 7 m 12.000 11.000 10.000 9.000 8.000 7.000 Piping Length (m) 4.600 4.500 4.400...
  • Page 165 19.1.3 WH-SDC16F6E5 WH-UD16FE5 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 17.500 16.000 14.500 13.000 11.500 10.000 Outdoor Temperature (°C)
  • Page 166 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 : 7 m 16.000 14.000 12.000 10.000 8.000 6.000 Outdoor Temperature (°C) 5.500 4.500 3.500...
  • Page 167 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 19°C Indoor water outlet temperature : 14°C Piping length : 7 m 22.000 20.000 18.000 16.000 14.000 12.000 Outdoor Temperature (°C) 6.500 5.500 4.500...
  • Page 168 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature : 35°C (DBT), -°C (WBT) Indoor water inlet temperature : 23°C Indoor water outlet temperature : 18°C Piping length : 7 m 17.000 15.000 13.000 11.000 9.000 7.000 Outdoor Temperature (°C) 5.500 4.500 3.500...
  • Page 169 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 17.000 16.500 16.000 15.500 15.000 14.500 Piping Length (m) 4.200 4.000 3.800...
  • Page 170 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 : 7 m 13.500 12.500 11.500 10.500 9.500 8.500 Piping Length (m) 5.000 4.900 4.800...

  • Page 171: Heating Capacity Table

    19.2 Heating Capacity Table 19.2.1 WH-SDC12F6E5 WH-UD12FE5 Water Out (°C) Input Input Input Input Input Input Capacity Capacity Capacity Capacity Capacity Capacity Outdoor Air (°C) Power Power Power Power Power Power 9300 3460 8900 3620 8500 3790 8100 3950 7500...

  • Page 172: Cooling Capacity Table

    19.3 Cooling Capacity Table 19.3.1 WH-SDC12F6E5 WH-UD12FE5 Water In (°C) Water Out (°C) Outdoor Air (°C) Capacity (W) Input Power (W) Capacity (W) Input Power (W) Capacity (W) Input Power (W) 7860 1180 13150 1400 10000 1730 12080 2900 15700...

  • Page 173: Exploded View And Replacement Parts List173

    20. Exploded View and Replacement Parts List 20.1 Indoor Unit 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 174 <Model: WH-SDC12F6E5 WH-SDC14F6E5 WH-SDC16F6E5> REF. SAFETY DESCRIPTION & NAME QTY. WH-SDC12F6E5 WH-SDC14F6E5 WH-SDC16F6E5 REMARK BASE PAN CWD521279 ← ← HOT WATER COIL - COMPLETE CWB90C1109 CWB90C1110 ← RECEIVER CWB141039 ← ← FLOW SWITCH CWB621128 ← ← TUBE CONNECTOR CWT029525 ←...

  • Page 175: Outdoor Unit

    20.2 Outdoor Unit 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 176 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 177 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 178 <Model: WH-UD12FE5 WH-UD14FE5 WH-UD16FE5> REF. SAFETY DESCRIPTION & NAME QTY. WH-UD12FE5 WH-UD14FE5 WH-UD16FE5 REMARK BASE PAN ASS’Y CWD52K1275 ← ← COMPRESSOR 5JD420XAA22 ← ← BUSHING - COMPRESSOR CWH50055 ← ← MOUNT NUT - COMPRESSOR MOUNT CWH561049 ← ← GASKET FOR TERMINAL COVER CWB811017 ←...
  • Page 179 REF. SAFETY DESCRIPTION & NAME QTY. WH-UD12FE5 WH-UD14FE5 WH-UD16FE5 REMARK CABINET FRONT PLATE CO. CWE06C1091 ← ← TUBE ASSY (CAP.TUBE) CWT07K1606 ← ← EXPANSION VALVE CWB051049 ← ← ELECTRO MAGNETIC SWITCH K6C1AYY00003 ← ← SENSOR COMPLETE (EVA EXIT CWA50C3204 ← ←...

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