Heiko Thermal Plus 12 User Manual Download Page 54

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5. Installation Walkthrough

5.7. Wiring

5.7.1. Explanation of Terminal Block 1

For user's side

This should be connected directly to the city power supply.

Unit power supply

For all units, ensure that a cable of sufficient gauge is used. (found on nameplate)

Power supply for anti-freeze electric heater in outdoor unit

This power supply is from indoor unit to anti-freeze electric heater in outdoor unit.
In case power supply for outdoor unit is cut off, the heater can still work to prevent plate heat exchanger
from freezing up.

Summary of Contents for Thermal Plus 12

Page 1: ...please read the instructions carefully and keep this manual for future use This product may only be installed or serviced by qualified personnel This appliance is filled with R32 refrigerant User s m...

Page 2: ...2 2...

Page 3: ...itary Hot Water Applications 5 2 Heating and Cooling Circuits 5 3 Indoor Unit Installation 5 4 Outdoor Unit Installation 11 2 4 Water pump 5 5 Water pipe connection 5 6 Installation of the kits in the...

Page 4: ...nt persons Gerneral Notice Transport of equipment containing flammable refrigerants Compliance with the transport regulations Marking of equipment using signs Compliance with local regulations Disposa...

Page 5: ...r to work taking place the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks No Smoking signs shall be displayed Ventilated area Ensure tha...

Page 6: ...of a potentially hazardous situation Particular attention shall be paid to the following to ensure that by working on electrical components the casing is not altered in such a way that the level of p...

Page 7: ...ed flames shall be removed extinguished If a leakage of refrigerant is found which requires brazing all of the refrigerant shall be recovered from the system or isolated by means of shut off valves in...

Page 8: ...if required for handling refrigerant cylinders All personal protective equipment is available and being used correctly The recovery process is supervised at all times by a competent person Recovery eq...

Page 9: ...nd in good condition Before using the recovery machine check that it is in satisfactory working order has been properly maintained and that any associated electrical components are sealed to prevent i...

Page 10: ...onoblock unit only Sensor Cable for Water Inlet Temperature for monblock only Sensor Cable for Water Outlet Temperature for monblock only Safety Valve Kit 3 4 6 X1 X1 X1 Mixing Circuit 1 Temperature S...

Page 11: ...than a properly trained and licensed professional Negligence of properly worn personal protection safety glasses gloves etc while performing installation maintenance or servicing of this product SAFE...

Page 12: ...sure to read this manual before use For sanitary hot water please always add a mixture valve before water tap and set it to proper temperature Ground wire Use a dedicated socket for this unit otherwi...

Page 13: ...damages maybe caused Be aware fingers might be hurt by the fin of the coil 13 This marking indicates that this product should not be disposed with other household wastes throughout the EU To prevent p...

Page 14: ...ndoor unit Filter Heat exchanger Power supply Four way vavle Compressor Three way valve Refrigerant Filter T connector Fan motor Pressure check valve Evaporator Heating Cooling 14 2 Introduction 2 3 F...

Page 15: ...W 3 87 Electric current A 0 03 0 66 Permitted field of application Temperature range for applications in HV AC systems at max ambient temperature Limit values for continuous operation at maximum rated...

Page 16: ...m kg 25 130 9 25 180 9 G11 2 G11 2 130 180 2 2 2 93 5 G 105 139 L1 G 76 74 115 Pump control iPWM out signal logic heating 0 2 5 75 80 85 90 95 100 PWM out Q Max 4500l h Q Min 0l h Pump failure System...

Page 17: ...installation setup and medium The pump has stopped due to permanent failure Problem of iPWM connection iPWM interface in short circuit Undervoltage 160 170 194V Self thermal protecting mode Undervolta...

Page 18: ...of this master system drawing All suggested assembly variations are given in Chapter 3 Name Symbol Name Symbol Temp Sensor Safety valve Kit Ball valve Water filter Air purging valve Water pump Mixing...

Page 19: ...45 Min max ambient working temp in cooling mode C 1 50 Max flow temp in heating mode C 55 Min flow temp in heating mode C 20 Min flow temp in cooling mode C 7 Defrost upon demand Heating cable for de...

Page 20: ...Ph Hz 380V 3PH 50Hz Fuse Indoor unit tank version A 20A C 380V Ref rigerant ty pe R 32 chrage kg 0 9 1 4 1 8 GWP GWP GWP 675 GWP 675 GWP 675 0 608 0 945 1 215 Dimensionsnet L x D x H Outdoor unit mm...

Page 21: ...e Electric box Electric heater Filling water to coil G1 male Middle temperature hot water outlet G1 male Safety valve kit Water from heating cooling system G1 male Automatic air purging valve High tem...

Page 22: ...3 Overview of the Units 3 2 Outlines and Dimensions 22 Indoor unit Unit mm 1217 1291 1720 1689 600 675...

Page 23: ...3 Overview of the Units 3 2 Outlines and Dimensions 23 Monoblock unit Unit mm Thermal Plus 6 700 23 440 420 371 1010 690 27 329 2 120 2 131 2 28 2 23...

Page 24: ...3 Overview of the Units 3 2 Outlines and Dimensions 24 Unit mm Monoblock unit Thermal Plus 9 12 849 330 2 121 2 137 2 1165 810 440 420 369 28 2 23...

Page 25: ...ale Water expansion tank Emergency Switch for 9KW electric heater Thermostat knob Drainage Indoor PCB Temperature sensor for 500W electric heater 500W electric heater 230V 50Hz 1Ph Rubber absorber fee...

Page 26: ...6 7 8 Compressor crankcase heater Fan motor Electronic expansion valve Liquid receiver 11 12 Needle valve Evaporator Thermostat 20 Low pressure sensor 9 10 Filter 17 Fan blade 19 Bottom tray heater 1...

Page 27: ...agrams with software instructions Beginning from the green Start Here bubble follow the appropriate arrows to each question which are dependent on the needs of the user The corresponding assembly inst...

Page 28: ...rawing depicted on the right for a one temperature zone setup that includes domestic hot water Note Refer to the next page for wiring and software operation instructions Name Symbol Name Symbol Temp S...

Page 29: ...he menu H 2 If no heating curve is desired 3 Locate and activate the buffer tank and appropriate pumps under H 1 Setting a heating curve H Configuring the set water heating temperatures 2 Temperature...

Page 30: ...nfigurations Drawing 1 Software Basic Settings continued 4 Double check to ensure that the Domestic Hot Water option is enabled under Configure the desired setpoint for water temperature default set t...

Page 31: ...use of a two way motorized valve Note For the cooling only or heating only circuit a motorized two way valve can be connected to the unit to cut the water supply during heating or cooling operation R...

Page 32: ...s 1 Set the needed working modes of the unit via the menu H 2 If no heating curve is desired 3 Locate and activate the buffer tank and appropriate pumps under H 1 Setting a heating curve H Configuring...

Page 33: ...Settings continued Double check to ensure that the Domestic Hot Water option is enabled under 5 The location of the configuration for heating only or cooling only system is under 4 Configure the desir...

Page 34: ...drawing depicted on the right for a two temperature zone setup that includes domestic hot water Note Refer to the next page for wiring and software operation instructions Name Symbol Name Symbol Temp...

Page 35: ...2 If no heating curve is desired 3 Locate and activate the buffer tank and appropriate pumps under H 1 Setting a heating curve H Configuring the set water heating temperatures 2 Temperature configura...

Page 36: ...heating curve is desired 4 1 Activate the mixing valve to manage the second circuit Note This pair of settings will interpret Heating Cooling Circuit 2 as the low demand distribution system requiring...

Page 37: ...use of a two way motorized valve Note For the cooling only or heating only circuit a motorized two way valve can be connected to the unit to cut the water supply during heating or cooling operation R...

Page 38: ...2 If no heating curve is desired 3 Locate and activate the buffer tank and appropriate pumps under H 1 Setting a heating curve H Configuring the set water heating temperatures 2 Temperature configura...

Page 39: ...is desired 5 1 Activate the mixing valve to manage the second circuit Note This pair of settings will interpret Heating Cooling Circuit 2 as the low demand distribution system requiring a lower set te...

Page 40: ...heating only operation Note For the heating only circuit a motorized two way valve can be connected to the unit to cut the water supply during heating operation Refer to the next page for wiring and...

Page 41: ...2 If no heating curve is desired 3 Locate and activate the buffer tank and appropriate pumps under H 1 Setting a heating curve H Configuring the set water heating temperatures 2 Temperature configura...

Page 42: ...und under H 1 Setting a heating curve H 2 If no heating curve is desired 4 1 Activate the mixing valve to manage the second circuit Note This pair of settings will interpret Heating Cooling Circuit 2...

Page 43: ...nsure the heat pump unit provides a stable and sufficient water flow rate Minimize fluctuation of the system s heating cooling load by storing unused heat Increase capacity of water volume distributio...

Page 44: ...g the temperatures for circuits 1 and 2 can be done via the Heating and Cooling Circuit menus If only one circuit is desired then Heating and Cooling Circuit 2 can be set to OFF 5 2 1 Heating Cooling...

Page 45: ...ead via the TV1 or TV2 until the value set under the above menus is achieved TV1 and or TV2 should be activated on the installer s level via the Heating and Cooling Circuit menu Note A mixing valve is...

Page 46: ...mode or after the set temperature is reached If Buffer Tank IS checkmarked both P1 and P2 will work as long as there is demand from the distribution system as per the pump setting The following must...

Page 47: ...d be placed close to save the copper tube as well as the energy E The indoor unit shall be placed in dry and well ventilated environment F Indoor unit mustn t be installed in an environment where vola...

Page 48: ...ase ensure there is drainage system around the location to drain the condensated water under defrosting mode G Please don t install the indoor and outdoor unit in damp locations otherwise it may cause...

Page 49: ...3 When installing the unit in harsh climatic conditions sub zero temperature snow humidity it is recommended to raise the unit off the ground by about 50cm 4 It is recommended to have a base with foll...

Page 50: ...ector and should choose the proper size of water piping to avoid leakage G1 male G1 male 5 5 2 Precautions Choose the proper water piping which can afford the max pressure from the city water system I...

Page 51: ...talled at the water inlet of water tank as well as that of indoor unit to avoid sediments and guarantee water quality City Water Outlet Filter Drain Pipe Connect to Water Tank One Way Valve Ball Way A...

Page 52: ...water pipe if the distance between the unit and drainage system is long Connect to drainage system of the house Four way safety valve kit includes T P valve air purging valve and water pressure gauge...

Page 53: ...be installed as follows in order to hide the pipings in backside and look better 1 Take out 2pcs L type decorative panel in back side 1 and 1pcs L type decorative panel in back side 2 Find 14 screws...

Page 54: ...power supply For all units ensure that a cable of sufficient gauge is used found on nameplate E Power supply for anti freeze electric heater in outdoor unit This power supply is from indoor unit to a...

Page 55: ...mp for Heating Cooling Circuit 2 If there is an external water pump in heating cooling and hot water system it can be connected to these ports to be under the control of heat pump For user s side A B...

Page 56: ...ions on ambient temperature setting For external signal input the external signal should be connected to Cool Mode Switch for cooling operation and Heat Mode Switch for heating operation A Signal cabl...

Page 57: ...ld be completely powered off before any wiring is done Cables should be properly fastened into place to prevent loosening from occurring No cable should be fastened to another The power supply should...

Page 58: ...e power supply terminal inside the unit Connect of drainage pipe 1 Unscrew the 3pcs screws on top of front panel When the tank need to be drained please do as per following instruction 3 A soft pipe a...

Page 59: ...uld be connected with A B and G on the outdoor unit otherwise communication failure error may occur A B A B corresponding with each other 5 Installation Walkthrough 5 7 Wiring 3 Connect the signal cab...

Page 60: ...all sensors and communication cables from the accessories bag Connect all sensors to the communication cables and insert the male end into the indoor unit through the cable glands Connect them to the...

Page 61: ...only needs to clean the surface of the outdoor heat exchanger per month or quarter of a year E If the unit runs in a dirty or oily environment please clean the outdoor heat exchanger and heat exchange...

Page 62: ...onnections and ensure they are secure Make sure there are no leaks in the piping and the space is well ventilated Fix any problems above if they occur If everything above is satisfied the unit can sta...

Page 63: ...than one working mode are activated at the same time corresponding working mode symbol will be shown on the display C Functions 34 7 23 9 6 8 START ENGING STOP 15 26 G Mode E ON OFF H Setting F Touch...

Page 64: ...k whether ambient temperature is lower than 15 It means Unit recover automatically when this coil temperature goes over the safety value again 2 Water Flow Rate Too Small System water flow rate is les...

Page 65: ...ll 8 Defrosting Failure 9 System Initialization When unit has just been turned ON this information will be shown It will disappear after system initialization is finished 10 Too Small Water Flow Rate...

Page 66: ...sanitary hot water automatically according to setting Heating Cooling Hot water Auto 34 7 23 9 6 8 15 26 Set mode Current water temperature Set water temperature Ambient temperature Water tank temper...

Page 67: ...ee page 86 See page 91 H Setting Press to enter into setting menu See page 92 1 Heating Cooling circuit 1 see page 68 5 Reduced Setpiont for Heating see page 76 See page 92 7 Vacation Mode see page 78...

Page 68: ...tarts operation again when water temp drops below Tset 1 02 in heating operation or increases over Tset 1 02 in cooling operation Both the set values are based on T For example in heating mode if Tset...

Page 69: ...ard as possible to get 46 as soon as possible Then compressor will lower its speed If even the compressor works in its lowest allowable speed but actual water temperature still goes over Tset 1 01 uni...

Page 70: ...de this parameter will also be the Room Set Temperature 1 18 Set an ideal room temperature in cooling When in Room Temperature Control mode this parameter will also be the Room Set Temperature For exa...

Page 71: ...p 2 2 08 Water Temp C Ambient Temp 3 2 09 Water Temp D Ambient Temp 4 2 10 Water Temp E Ambient Temp 5 Temperature set here is water temperature it is based on the same ambient temperature settings fo...

Page 72: ...value When this function is ON AH Auxiliary Heater or HWTBH Hot Water Tank Back up Heater or both depending on their priority will work individually or together to enhance heat pump s capacity in san...

Page 73: ...n DHW and counting the running time The ambient temp Is below 3 04 Whether the unit works in DHW Whether unit works in DHW over 3 05 Whether house heating water temperature drops over 3 07 Whether uni...

Page 74: ...this function 4 02 Sanitary Hot Water Storage Timer Set a working time period for this function and the unit starts to work towards sanitary hot water set temperature in parameter 3 01 within the set...

Page 75: ...en reheating function is activated in the set time period time period set in parameter 4 04 4 06 Reheating Restart T Setting Set reheat restart water T When water temperature drops below T based on re...

Page 76: ...set temperature during Reduced Setpoint operation 5 03 Timer for Reduced Setpoint Function Set a working time period for Reduced Setpoint Function Different time periods for every day in a week can b...

Page 77: ...egionella function 6 02 Day and Time Set at which time in which weekday s for the start of anti legionella operation 6 03 Setpoint Set the target sanitary hot water temperature for anti legionella Ple...

Page 78: ...ing Vacation Mode Set a temperature drop for sanitary hot water based on standard DHW set value during the set time period for vacation mode 7 03 Heating Water Temp Drop During Vacation Mode Set a tem...

Page 79: ...changed in this menu A password is needed for activating the installer s permission level 8 02 Heating Cooling ON OFF Timer To turn ON OFF the timer function for heating cooling operation 8 03 Heating...

Page 80: ...he control of heating operation also Please place it either inside an ideal position in Hot Water Tank 8 07 Save Current Settings This parameter is used by installer to save the current settings as In...

Page 81: ...bution system these setting can only be done under installer level to ensure the safety of the distribution system 9 04 Basic Operation Mode This parameter is used to set the basic operation modes as...

Page 82: ...on Note If parameter is set to OFF auto switch function is not activated Then make sure that parameter Heating Water Circuit and Cooling Water Circuit are not set to ON simultaneously as the system ca...

Page 83: ...the lower priority Backup Heating Source also 10 03 Backup Heating Source for Sanitary Hot Water Set whether the system has HWTBH Hot Water Tank Back up Heater 10 04 Priority for Backup Heating Source...

Page 84: ...starts If system has HWTBH set via parameter 10 03 and HWTBH has higher priority than AH set via parameter 10 04 Backup Heating for DHW If system has HWT H set via parameter10 03 and HWTBH has higher...

Page 85: ...er reaching the set temperature 3 OFF with compressor It means P0 stops after compressor stops 11 4 Pump OFF Interval 11 5 Pump On Time If unit circulation pump P0 working mode is set to Interval work...

Page 86: ...for first stage of Floor Curing operation 12 4 Floor Curing Temperature Setting Stage 2 12 5 Floor Curing Operation Duration Stage 2 Set temperature and lasting time for second stage of Floor Curing o...

Page 87: ...n 13 2 Operation Signal for Electrical Utility Lock Set the type of signal from electricity company Normally Open means when unit can work as normal when it gets ON signal the unit should stop working...

Page 88: ...be powered for switching the water flow fully between DHW and Heating Cooling circuit 14 3 Refrigerant Recycle This function can be used by installers to recycle the refrigerant in the complete system...

Page 89: ...ting If water temperature is too low the condenser may have the risk of freezing up and cause damage the complete refrigerant system Thus if water temperature in current working mode is too low for de...

Page 90: ...tary Hot Water Temp TW 07 Cooling Heating Water Temp TC 08 Water Flow Rate 09 Compressor Working Speed 10 EEV Openings 11 Actual Ambient Temp 12 Average Ambient Temp in 1 Hour 13 Average Ambient Temp...

Page 91: ...system working status Display of Failure Code Record of Previous Failure Display of Failure TW Water temperature for Sanitary hot water tank TC Water temperature for buffer tank TR Room temperature TA...

Page 92: ...Home Press this button at any page operation panel goes back to home page Home 34 7 23 9 6 8 START ENGING STOP 15 26 92 7 Operation Instruction...

Page 93: ...ure in the display If SET is not pressed the controller will also exit the setting after 3 seconds and show the actual water temperature in the display Control logic When the thermostat is powered on...

Page 94: ...ween 30 and75 the mechnical thermostat is ON If the knob of machnical thermostat is set below 30 the mechnical thermostat is OFF Note After problem solved please don t forget to turn the switch K1 to...

Page 95: ...Check whether fan motor and water pump is working OK whether condenser is blocked whether water temperature too high and whether water inlet outlet temperature has too big difference should no bigger...

Page 96: ...rigerant that caused this abnormal evaporating pressure whether fan motor and water pump is working OK whether condenser is blocked whether EEV whether EEV works normally whether water temperature too...

Page 97: ...let temp sensor failure Check whether unit water outlet temperature sensor is open short circuit or value drifts too much Replace it if necessary Unit stops F17 Unit water inlet temp sensor failure Ch...

Page 98: ...otection code S02 over three times in certain period of time unit stops and gives S10 failure code It can only be recovered by re powering the unit Check the water system especially the filter check t...

Page 99: ...ning the user only needs to clean the surface of the outdoor heat exchanger per month or quarter of a year E If the unit runs in a dirty or oily environment please clean the outdoor heat exchanger and...

Page 100: ...f the power supply 2 Remove the front panel Be care about the cables in between 3 Check the electric part 2 Outdoor unit 1 Maintenance of controller a Cut off the power supply b Disconnect all cables...

Page 101: ...indicator light on Indoor PCB Dip switch on indoor PCB 2 Factory Default Setting ON OFF Indoor PCB Outdoor PCB 2 1 1 2 1 Dip switch on outdoor PCB Factory Default Setting 2 Plain cut out ON 101 11 Se...

Page 102: ...he whole fan motor with cables out see picture g h i and j f Put the repaired or new fan motor back and connect all cables back h g j i Ground cable Cable connected to PCB Cable connected to fan motor...

Page 103: ...change please clean the heat exchanger as follows A Use a vacuum cleaner to clean the surface of the fins to get rid of the dust or other rubbish B Use a soft nylon brush to clean the fins rinse by wa...

Page 104: ...If the refrigerant leaks in indoor environment please ventilate the room G Copper pipe must be used for gas pipe Never use iron pipe aluminium pipe or alloy pipe Thanks to the normally very high degr...

Page 105: ...ure 1 Discharge all refrigerant and charge the unit again with right amount 2 Discharge all refrigerant and charge the unit again with right amount 3 Check the water flow of the system Use a bigger pu...

Page 106: ...ixing valve 0 10V DC Control Signal for mixing valve 1 Connection of Water Mixing Valve 1 Power Siwtch Indoor PCB Power Siwtch COM V Indoor PCB Cn217 Port 24V DC Power Supply for mixing valve 0 10V DC...

Page 107: ...1 107 14 Appendix A Wiring Indoor PCB Re2 2 way motorized valve L N Connection of 2 way motorized valve N from power supply or parallel to any N connector on terminal block...

Page 108: ...1 108 Indoor TAKE CARE The specifications are subject to change without prior notice For actual specifications of the unit please refer to the specification stickers on the unit 15 Appendix B Wiring...

Page 109: ...1 109 Outdoor TAKE CARE The specifications are subject to change without prior notice For actual specifications of the unit please refer to the specification stickers on the unit 15 Appendix B Wiring...

Page 110: ...t in order to prevent damages to either the device or persons NCSMS00370A00 B Product specifications are subject to change with improvements without prior notice Please refer to the specification stic...

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