Kaisai KHX-09PY1 Technical Manual
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Kaisai KHX-09PY1 Technical Manual

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TECHNICAL
MANUAL
SERIA #R290

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Summary of Contents for Kaisai KHX-09PY1

  • Page 1 TECHNICAL MANUAL SERIA #R290...

  • Page 2: Table Of Contents

    Content 1. Preface .................... 1 2. Safety Instructions ................2 3. Features ..................5 4. Unit Dimension(mm) ............... 6 5. Installation Diagram ................ 7 6. Handling & Installation ..............9 7. Maintenance ..................15 8. Parameters ..................18 9. Operation Range ................20 10.

  • Page 3: Preface

    Preface In order to provide the customers with high quality, strong reliability and good versatility products, this heat pump is produced by strict design and manufacture standards. This manual includes all the necessary information about installation, debugging, discharging and maintenance. Please read this manual carefully before you open or maintain the unit.

  • Page 4: Safety Instructions

    Safety Instructions To prevent the users and maintainers from the harm of this unit, and avoid damage to the unit or other property, and use the heat pump properly, please read this manual carefully and understand the following information correctly. Mark Notes Meaning Mark...
  • Page 5 Warning Operation Meaning DO NOT put fingers or others into the fan and evaporator of the unit, otherwise harm may occur. Prohibition When there is something wrong or strange smells, the power supply needs to be shut off to stop the unit. Shut off the Continue running may cause short circuit or fire.
  • Page 6 Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. The appliance shall be stored in a room and installed in the environment without continuously operating or potential ignition sources (for example: open flames, an operating gas appliance or an operating electric heater or Electric Spark or hot objects).

  • Page 7: Features

    Please switch off the power when cleaning Switch off maintaining. the power. It is prohibited from using copper or iron as fuse. The right fuse must be fixed by electricians for the heat Prohibition pump. It is prohibited from spray the flammable gas to the heat pump, as it may cause fire.

  • Page 8: Unit Dimension(Mm)

    Unit Dimension(mm) 4.1. Models: KHX-09PY1 4.2. Models: KHX-14PY3...

  • Page 9: Installation Diagram

    5.1 Traditional Installation KAISAI provides the monoblock heat pump with a main circulation pump built inside. When install the unit, installers should connect the heat pump with other parts including the buffer tank (for space heating/cooling), storage water tank (for domestic hot water) and water pumps (for space heating/cooling water circulation and domestic hot water).
  • Page 10 5.2 Installation with Hydronic Module KAISAI provides the monoblock heat pump (without circulation pump) and the Hydronic box. Hydronic box includes one small size built-in buffer tank, one main circulation water pump, one space heating/cooling circulation water pump, one DHW pump, a safety valve, a water charge valve and an expansion tank, electrical heater.

  • Page 11: Handling & Installation

    5.3 Installation with Multi-functions Tank KAISAI provides the monoblock heat pump and the Multi-functions tank. A multi-functions tank includes one buffer tank, one storage tank, one main circulation water pump, one space heating/cooling circulation water pump, one domestic hot water pump, a safety valve, a water charge valve and hot water valve.
  • Page 12 installing in one environment which have operating or potential ignition sources. 6.1. Application of Heat Pump 6.1.1. House Heating/Cooling + Domestic Hot Water PT valve Heat pump Relief valve Remark: Item 17, 18, Electrical heater Flexible pipe Air vent valve connected with heat Hot water sensor Thermometer...
  • Page 13 Check valve Heat pump Plate heat exchanger Floor heating valve Flexible pipe Buffer tank Floor heating pipe/fan coil unit Thermometer Expansion tank Manometer Relief valve Shut-off valve Air vent valve Y type water filter Water pump for floor heating 6.2. Choose a right heat pump unit (1) Based on the local climate condition, construction features and insulation level, calculate the required cooling(heating) capacity per square meter.
  • Page 14 6.5. Water Loop Connection Please pay attention to below matters when the water pipe is connected: (1) Try to reduce the resistance to the water from the piping. (2) The piping must be clear and free from dirty and blocks. Water leakage test must be carried out to ensure there is no water leaking.
  • Page 15 6.7. Location of the Unit The picture shows the location of horizontal air outlet unit. 6.8. Transit When the unit needs to be hung up during installation, an 8 meters cable is needed, and there must be soft material between the cable and the unit to prevent damage to the heat pump cabinet.
  • Page 16 and without any air. Also make sure there is good insulation for the water pipe. (3) Check the electrical wiring. Make sure that the power voltage is normal, the screws are fastened, the wiring is made in line with the diagram, and the earthing is connected.

  • Page 17: Maintenance

    Maintenance 7.1. Precautions for Daily Use Before starting up the unit for the first time or after a long-time shutdown, the following preparations must be made: Thoroughly inspect and clean up the unit. Clean the waterway system. Check water pump, regulating valve and other waterway equipment.
  • Page 18 7.2. Periodic Maintenance (every 6 months) Before maintenance, please ensure that the unit stop Preparation running and cut off the power supply. Inspection and In order to ensure that heat exchangers remain cleaning of fin in optimum condition for heat exchange, their heat exchanger surfaces must be clean.
  • Page 19 Observe the basic safety rules before carrying out inspection and maintenance work or installing spare parts. Disconnect the product from the power supply but ensure that the product is still earthed. 7.3.2. Cleaning the product Do not clean the product with a high-pressure cleaner or a direct jet of water. Clean the product using a sponge and hot water with a cleaning agent.

  • Page 20: Parameters

    Parameters KHX-16PY3 Model KHX-14PY3 KHX-09PY1 380~415V/3N~/50Hz Power Supply 220~240V/50Hz 380~415V/3N~/50Hz IPX4 Moisture Resistance IPX4 IPX4 Electrical Shockproof Heating Condition - Ambient Temp. (DB/WB): 7/6°C, Water Temp. (In/Out): 30/35°C 8.00~22.00 Heating Capacity Range 3.10~8.90 5.40~14.95 Heating Power Input 1.60~6.90 0.65~2.10 1.05~3.85...
  • Page 21 Dimension(L/W/H) Compressor HIGHLY HIGHLY HIGHLY Brand ℃ Operating Ambient -25~43 -25~43 -25~43 Temperature Fan Quantity Fan Motor Type DC motor DC motor DC motor Fan Motor Power Input 60~160 30~80 60~120 (min~max) Fan Speed (RPM) 220~600 220~600 300~750 Water Connection (inch) inch Water Pressure Drop (max)

  • Page 22: Operation Range

    Operation Range 9.1. KHX-09PY1 Performance Curve KHX-09PY1 Heating Capacity(kW) 90Hz 84Hz 78Hz 72Hz 66Hz 60Hz 54Hz 48Hz Water outlet(℃) 3.60 4.36 5.01 5.19 6.13 7.18 7.64 8.23 8.29 8.54 8.78 8.90 9.45 9.34 9.49 10.31 10.54 10.26 11.19 3.51 4.23 4.87...
  • Page 23 9.2. KHX-14PY3 Performance Curve KHX-14PY3 Heating Capacity(kW) 90Hz 84Hz 78Hz 72Hz 66Hz 60Hz 54Hz 48Hz Water outlet(℃) 6.05 7.32 8.42 8.72 10.30 12.06 12.84 13.82 13.93 14.34 14.75 14.95 15.88 15.70 15.94 17.31 17.70 17.24 18.80 5.90 7.11 8.18 8.46 8.90 10.45 11.06...
  • Page 24 9.3. KHX-16PY3 Performance Curve KHX-16PY3 Heating Capacity(kW) 90Hz 84Hz 78Hz 72Hz 66Hz 60Hz 54Hz 48Hz Water outlet(℃) 8.91 10.77 12.39 12.84 15.16 17.75 18.90 20.34 20.50 21.10 21.70 22.00 23.37 23.10 23.45 25.47 26.04 25.37 27.66 8.68 10.46 12.04 12.45 13.09 15.38 16.28...

  • Page 25: Explosion View

    10. Explosion View Model and code: KHX-09PY1 (13100104) Whole Unit Exploded Diagram Electric Box Exploded Diagra...
  • Page 26 Part Code Part Name 80716286 Rear net 20000-360005 Water flow switch 80715365 Right rear side panel 2001-2238 Waterproof cable feedthrough 81500853 Outlet water pipe 81500852 Inlet water pipe 80400092 Water pump 80717784 Right panel 20000-880224 Clamp 32018-220009 Handle 80718997 Water pump bracket 81500460 Inlet water pipe 71301984...
  • Page 27 Part Code Part Name 80716289 Motor support 80601416 Finned heat exchanger 80200072 DC motor 20000-270025 Axial fan blade 80715369 Rear side panel 80715368 Front side panel 80715370 Cover panel 80901403 Front frame 80711393 Fan grille 80711313 Wind deflector 80716287 Left side net 80712920 Column assembly 80901771...
  • Page 28 Part Code Part Name 20000-220310/316 Cable clamp 2000-3928 3-Position terminal block Model and code: KHX-14PY3 (13110166) Whole Unit Exploded Diagram...
  • Page 29 Electric Box Exploded Diagra Part Code Part Name 2001-2238 Waterproof cable feedthrough 82500015 Reactor 20000-360005 Water flow switch 81500471 Outlet water pipe fitting 81500469 Inlet water pipe fitting 80400092 Water pump 81500470 Water pump fitting 80718910 Right rear side panel 20000-140485 Four-way valve 2004-1444...
  • Page 30 Part Code Part Name 80718911 Right side panel 80711967 Panel support 80601397 Plate heat exchanger 80711960 Plate heat exchanger support 80718912 Water pump support 80100175 Compressor 20000-260005 Damping feet 80712312 Suspension chassis 80711959 Chassis 80711973 Compressor cover 80711974 Compressor cover 80711976 Compressor cover 80711966...
  • Page 31 Part Code Part Name Switching power supply 82600018 module 82300485 ZL0001-G Variable frequency drive 82300381 module 20000-430215 BHB21 20000-360297 Relay 80900483 Plastic base 82300074 Filter board 20000-390077 Fuse terminal 83100033 Fuse 2000-3909 2-Position terminal block 82300225 DTU1007 82800045 5-Position terminal block 20000-220310 Cable clamp 20000-220316...
  • Page 32 Model and code: KHX-16PY3 (13130199) Whole Unit Exploded Diagram Electric Box Exploded Diagra...
  • Page 33 Part Code Part Name 80714396 Right rear side panel 2001-2238 Waterproof cable feedthrough 80714401 Water pump support Plate heat exchanger fixed 80714399 frame 32018-220009 Handle 80712626 Right side panel 80709617 Panel support 80601460 Plate heat exchanger 80714402 Front side panel 85400021 Standard clamp 80714403...
  • Page 34 Part Code Part Name 80702834 Fan grille 301030-00000001 Axial fan blade 80709614 Air deflector 20000-330132 DC motor 80712628 Left side net 80712624 Column assembly 80712629 Rear net 80901246 Top cover 80712627 Top beam 80901120 Snap of temperature sensor 80601354 Finned heat exchanger 80709607 Motor support 80709628...
  • Page 35 Part Code Part Name 20000-390180 5-Position terminal block 82300314 PC4003-G 80900483 Plastic base 82300485 ZL0001-G Variable frequency drive 82300381 module 82300074 Filter board...

  • Page 36: Wiring Diagram

    Wiring Diagram 11.1. Model: KHX-09PY1 W/CN V/CN U/CN...
  • Page 37 Wiring Diagram 11.2 Model: KHX-14PY3 485A 485B CN19 CN16...
  • Page 38 11.3. Model: KHX-16PY3 485A 485B CN19 CN16...

  • Page 39: Display Operation Guide

    12. Display Operation Guide 12.1. Main Interface Display and Function (1) Power on Interface (2) Starting up Interface...
  • Page 40 Key function Key number Key name Key Function Click this key to lock the screen. White ○ Lock screen represents not enabled, while blue represents enabled Click this key to switch ON or OFF. Blue ○ On and off represents ON, while white represents OFF ○...
  • Page 41 ○ 14 is current mode. 12.2. ON/OFF (1) In shutting down interface (on/off key is in white status), press on/off key can start up the machine. (2) In starting up interface (on/off key is in blue status), press on/off key can shut down the machine.
  • Page 42 (2) selecting heating mode icon, then the display will enter this mode interface; (3) selecting cooling mode icon, then the display will switch to this mode interface; (4) selecting hot water+ heating mode icon, then the display will go into hot water+ heating mode interface;...
  • Page 43 12.3. Setting of target temperature Take hot water + heating mode for example: ○ (1) Tapping 1 , the wire controller back to main interface; ○ (2) Sliding 2 , the target temperature can be adjusted in the clockwise or counter clock--wise direction;...
  • Page 44 Note: Input the password of 22 or 022, click the enter key and the screen will be unlocked. 12.4. Setting interface display and function Swipe from right to left on the main interface to enter the function setting interface, and swipe from left to right on the function setting interface to return to the main interface.
  • Page 45 12.4.1. Buttons description Key number Key name Key function Time setting Click this key to set the time function. ○ Click the key and enter the password Factory to enter the factory parameter settings ○ parameter and status parameters interface. Click this key to view the temperature ○...
  • Page 46 12.4.3. System time setting In the time setting interface, click ① interface displays as follows: When entering the page of system time setting, the system time will be initialized to the time at the moment when the system time setting button is pressed, and you can adjust the time by sliding up and down.
  • Page 47 Key color Button function Name Whether enable the mute Enable: Blue Click this key to enable or disable the timer on function Disable: Gray mute timer on function ① Whether enable the mute Enable: Blue Click this key to enable or disable the Disable: Gray timer off function mute timer off function...
  • Page 48 Time period setting Set the time to turn on and the time to turn off ③ A total of 6 timing switch time periods can be set Turn page ④ which can be selected by turning the page 12.4.6. Temperature Curve In the setup interface: Tapping operating mode button④, then the interface display is shown as follows:...
  • Page 49 Note: 1) The middle display bar can be dragged or clicked to adjust the brightness of the screen with power-down memory. 2) Press the back key to return to the previous level and save the brightness setting value. 3) The screen has the function of automatic on and off, if there is no operation for 30s, the screen will enter the half-time screen state.
  • Page 50 Note: If you enter one-key electric heating, the icon is blue, otherwise it is gray. 12.5. Status interface display Swipe from left to right on the main interface to enter the status interface, and swipe from right to left on the status interface to return to the main interface.
  • Page 51 ①: Fault code ②: Fault name ③: Occurrence time of the fault: Day an month hour: minute: second Note: If the current temperature is ℉, occurrence time of the fault: Month and day hour: minute: second. ④: Click this key to clear all fault records...

  • Page 52: Electrical Parameter

    13. Electrical Parameter Parameter Meaning Scope Default value Remarks Protection parameters Shutdown Ambient Temp. -40.0~10.0 ℃ Antifreeze Temp. A22~10 Antifreeze Temp. Difference 1.0~50.0 Non-zero Max. Exhaust Temp. 60.0~130.0 Non-zero 0-Disable/1-Enable Enable Low Pressure Sensor 0-Disable/1-Enable [ 0-No/1-Yes] Ambient/Suction/Coil Sensor Type 0-5K/1-2K 0-5K/1-2K Min.
  • Page 53 is no interface and key related to mute function on the wired controller 0-【Outlet Water Temp.】1- 【Room Temp.】/2-【Buffer Temp. Control Selection Tank Temp.】 /3- 【 Inlet Water Temp.】 0- 【No EVI】/1-【EVI for Enable EVI Cooling】/2-【EVI for Heating】/3-【All EVI】 Heating/Cooling and Hot Water Function Enabled 0-【No】/1-【Yes】...
  • Page 54 compressor selection chart in the communication protocol of Rujing frequency conversion board Min. Comp. Frequency in Cooling at Low Ambient 0~60Hz Temp. Frequency Control Mode 1~120 Resonance Point 1 0~120HZ 0~120Hz Resonance Point 2 0~120HZ 0~120Hz Resonance Point 3 0~120HZ 0~120Hz Min.
  • Page 55 Target Superheat for Heating -20.0~20.0 ℃ 5℃ EEV Initial Steps for Heating 0~500N EEV Min. Steps 0~500N EEV Initial Steps for Cooling 0~500N EVI EEV: Adjustment Mode 0- 【 Manual 】 /1- 【 Auto 】 EVI EEV: Initial Steps 0~500N 350N EVI EEV Target Superheat Degree -20.0~20.0℃...
  • Page 56 Enable Electric Heater During Defrosting 0-NO/1-YES 0 is disable by Water Flow of Defrosting 0-50.00m³/h default Max. Defrosting Cycle by Fan Motor Power 120min 0~240min Temperature parameter Domestic Hot Water / DHW Target Temp. R36~R37 55℃ Heating Target Temp. R10~R11℃ 45℃...
  • Page 57 Heating Max. Limit Target Water Temp. at High AT in 20~85℃ 40℃ 20~60℃ Heating AT to Start Electric Heater Without Delay -50~20℃ -10℃ -50~20℃ Temp. Diff. between Max. DHW Target Temp. & 0~25℃ 5℃ 0~15℃ Max. Outlet Temp. AT to Start Frequency Limit in Cooling 0-60℃...

  • Page 58: Failure List & Troubleshooting

    14. Failure List & Troubleshooting 14.1. Failure Handling Issue Possible cause Related components Solution Terminals Check all the components’ connection Relays Check relays and contactors whether are broken Unit tripped when powered on Short circuit Contactors Disconnect the electronic components one by one and powered on to find the cables problem Check the display cable...
  • Page 59 14.2. Error Code Instruction Error code Error name Relevant parts information Review and resolve 1. Check the Electrical heating Overheat protector open or not. Electric heater over heat Protection 2. Check the Electrical heater. Communication failure between PCB Communication error 1.
  • Page 60 1. Check the water flow. inlet water ≤A04℃ and the 2. Check the outlet water temp sensor. antifreeze temp ≤ E171 Anti-freezing Protection 3. Measure the ambient temp. A04-A05 ℃ 4. Detect the connection of cables. 5. Check the record of defrosting, whether the defrosting time is too long or too often. Restart the unit.
  • Page 61 1. Check the fans are running or not. 2. Check the installation distance and space. IPM Overheat Stop 3. Leave enough distance and space to make heat pump have a good transfer heating condition. 4. Clean the finned heat exchanger. 5.
  • Page 62 1. Detect the exhaust pressure sensor connection Exhaust Pressure Sensor Fault 2. If the connection is OK, please replace a new one. 1. Detect the suction pressure sensor connection Suction Pressure Sensor Fault 2. If the connection is OK, please replace a new one. 1 Check the ambient temp Low Ambient Temp.

  • Page 63: Modbus Rtu Protocol

    MODBUS RTU PROTOCOL MODBUS RTU Communication Protocol From: Version V1.1 update: 2021/11/08 1.Transmission Format Baud Rate 9600bps Start bit Byte width Parity Stop bits Slave address 2.Packet Format Address Function Data checksum 16bits 16bits 03: Function of reading multi registers N*16bits 16bits 16: Function of presenting multi registers...
  • Page 64 4.Mailing address Functio Address Number Content mode Default Description Remark read/write 0-OFF/1-ON 1011 03/06 Power on/off DIGI1 H05=1 ： 0-Hot water/1-Heating/2-Cooling/3-Hot read/write water + heating/4-Hot water + Cooling 1012 03/06 Mode DIGI1 H05=0 ： 0-Hot water/1-Heating/3-Hot water + heating read/write 1045 03/06 Forced switching time for heating water...
  • Page 65 read/write 1199 03/06 Circulating water pump operation duration 1~30min DIGI1 read/write 1201 03/06 Operating mode of domestic hot water pump 0-normal/1-special/2-intermittent DIGI1 read/write 1202 03/06 Manually controlled water pump 0-off/1-on DIGI1 2011 Power On/Off state Write 0-power off/1-power on DIGI1 0-Cooling/1-heating/2-defrosting/3-high 2012 Operation mode...
  • Page 66 electric heating (0-OFF/1-ON) bit0: S01 system 1 high voltage switch (0-ON/1-OFF) bit1: S02 system 1 low voltage switch (0-ON/1-OFF) bit2: S03 water flow switch (0-ON/1-OFF) bit3: S04 electric heating overload switch (0-ON/1-OFF) bit4: S05 emergency input (0-ON/1-OFF) bit5: S06 air conditioning mode switch (0-ON/1-OFF) bit6: S07 hot water mode switch write...
  • Page 67 bit0: IPM over current failure bit1: Compressor drive failure bit2: Compressor over current bit3: Input voltage phase loss bit4: IPM current sampling failure bit5: Drive board device over temperature protection bit6: Pre-charge failure bit7: DC bus over voltage bit8: DC bus under voltage 2081 write bit9: AC input under voltage...
  • Page 68 bit15: Compressor over speed protection bit0: Compressor current frequency reduction alarm bit1: Compressor weak magnetic protection alarm bit2: Power unit overheat alarm bit3: Reserved bit4: AC input current frequency reduction alarm bit5: EEPROM fault alarm bit6: Reserved 2083 write bit7: Burnt E2 disable start failure DIGI1 bit8: Reserved bit9: Reserved...
  • Page 69 bit11: Secondary anti-freezing protection in winter (0-no/1-yes) bit12: Anti-freezing protection of system 1 (0-no/1-yes) bit13: Reserved bit14: room temperature sensing failure (0-no/1-yes) bit15: Reserved bit0: System 1 exhaust over-temperature protection (0-no/1-yes) bit1：Reserved bit2：Reserved bit3: Fan 1 overload speed limit (0-no/1-yes) bit4: Fan 2 overload speed limit (0-no/1-yes) bit5: Protection for excessive water temperature difference between inlet and outlet...
  • Page 70 bit0: Reserved bit1: Reserved bit2: Reserved bit3: Reserved bit4: System 1 high-voltage protection for 3 times or more (0-no/1-yes) bit5: Reserved bit6: System 1 low-voltage protection for 3 times or more (0-no/1-yes) bit7: Reserved bit8: Water flow switch protection for 3 times 2087 or more (0-no/1-yes) write...
  • Page 71 bit7: Reserved bit8: Reserved bit9: Reserved bit10: Reserved bit11: Reserved bit12: Reserved bit13: Reserved bit14: Reserved bit15: Reserved bit0 : Inlet water temperature sensing failure (0-no/1-yes) bit1: Outgoing water temperature sensing failure (0-no/1-yes) bit2: System 1 coil temperature sensing failure (0-no/1-yes) bit3: Ambient temperature sensing failure (0-no/1-yes) bit4: System 1 return air temperature sensing...
  • Page 72 bit13: System 1 pressure sensor failure (0-no/1-yes) bit14: Low ambient temperature protection (0-no/1-yes) bit15: Outlet water too low temperature protection (0-no/1-yes) bit0: Reserved bit1: Reserved bit2: Reserved bit3: Reserved bit4: Reserved bit5: Reserved bit6: Reserved bit7: Reserved 2090 write bit8: Water tank temperature sensing failure DIGI1 (0-no/1-yes bit9: Reserved...

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Khx-14py3Khx-16py3

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