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AHU CONNECTION KIT

50Hz,

Power
Source

220-240V

60Hz

220V

AHU

 KIT

EXPANSION VALVE BOX

CONTROL BOX

CONNECTION

P00816Q

ORIGINAL INSTRUCTIONS

HZX-20.0AEC,

HZX-30.0AEC

HZX-4.0AEC,

HZX-10.0AEC,

HZX-2.0AEC,

HZX-6.0AEC,

Summary of Contents for HZX-10.0AEC

Page 1: ...U CONNECTION KIT 50Hz Power Source 220 240V 60Hz 220V AHU KIT EXPANSION VALVE BOX CONTROL BOX CONNECTION P00816Q ORIGINAL INSTRUCTIONS HZX 20 0AEC HZX 30 0AEC HZX 4 0AEC HZX 10 0AEC HZX 2 0AEC HZX 6 0AEC ...

Page 2: ...335 1 EN 60335 2 40 EN 62233 EN 55014 1 EN 61000 3 2 EN 61000 3 3 EN 55014 2 following the provisions of 2006 42 EC 2014 30 EU 2012 19 EU 2011 65 EU Directives as amended Manufacturing number and manufacturing year refer to model Nameplate Notes This declaration becomes invalid if technical or operational modifications are introduced without the manufacturers consent Johnson Controls Inc is author...

Page 3: ... the unit in the following places It may cause corrosion Places where air contains high salt contents in coast regions Places with atmosphere of acidity or alkalinity l In case of using a medical equipment or radio generating electromagnetic wave pay particular attention to unit malfunction Do not install the unit where electromagnetic wave is directly radiated to the electrical box in the indoor ...

Page 4: ...E pursues a policy of continuing improvement in design and performance of products The right is therefore reserved to vary specifications without notice l HISENSE cannot anticipate every possible circumstance that might involve a potential hazard l This heat pump air conditioner is designed for standard air conditioning only Do not use this heat pump air conditioner for other purposes such as dryi...

Page 5: ...environment or human health from uncontrolled waste disposal recycle it responsibly to promote the sustainable reuse of material resources To return your used device please use the return and collection systems or contact the retailer where the product was purchased They can take this product for environmental safe recycling The standard utilization of the unit shall be explained in these instruct...

Page 6: ... gases salty air or harmful gases such as sulphur l l Do not perform installation work without referring to this Installation Manual If the instructions are not followed it may result in a water leakage electric shock or fire l Secure the sufficiently strong foundation when installing If not it may lead to falling of the unit and injury l Do not install where generation or flowing of flammable gas...

Page 7: ...ound When using refrigerant be sure to wear leather gloves to prevent cold injuries l Protect the wires electrical parts etc from rats or other small animals If not protected rats may gnaw at unprotected parts and which may lead to a fire l Fix the cables securely External forces on the terminals could lead to a fire l Do not install the indoor unit outdoor unit remote control switch and cable wit...

Page 8: ...ions AHU CONNECTION KIT is composed of Control Box for system control where it is included the PCB and all the electronic stuff and Expansion Valve Box for refrigerant cycle control where the electrical expansion valve is located CAU TI ON Ti The following figure shows an installation example for the system CAU TI ON Multi combination with AHU and standard indoor unit only for HZX 2 0 6 0AEC 2 6HP...

Page 9: ...ommunication CAUTION G 5 3 2 1 9 4 5 C 2 3 2 3 4 3 5 3 C3 C 1 4 9 H0 I C3 5 4 2 1 9 4 5 C 2 3 2 3 4 3 5 3 C3 C 1 09 1 0 4 3 J0 K38 94 3 3 3 5 3 2 1 2 4 1 3 5 9 4 5 C 2 3 2 3 4 4 9 3 the thermistors sensing are not distorted 40 4 231 9 5 C 4 1 3 5 30 592 3 4 4 2 4 231 The installation distance between the AHU CONNECTION KIT and the AHU must be shortest possible 7 Fig 2 1 System Overview CAU TI ON T...

Page 10: ...del Control Box Model Nom Heat Exchanger Capacity of AHU CONNECTION AHU Capacity DSW3 Code Setting Expansion Valve Box Model Production Lineup and Capacity 8 Control Box Model HZX 4 0AEC 2 HZX 2 0AEC 2 HZX 6 0AEC 2 HZX 10 0AEC 2 HZX 20 0AEC 2 HZX 20 0AEC 2 2 AHU CONNECTION KIT HZX 2 0 20 0AEC AHU CONNECTION KIT HZX 30 0AEC HZX AEC 1 HZX AEC 1 HZX 4 0AEC 2 HZX 2 0AEC 2 HZX 6 0AEC 2 HZX 10 0AEC 2 HZ...

Page 11: ...the Expansion Valve for the piping length Keep the distance no more than 5m H the height difference between the heat exchanger of AHU and the Expansion Valve Keep the difference no more than m The following symbols refer to Fig System Overview Limitation of Installation and Application HZX 20 0AEC 2 HZX 20 0AEC HZX 30 0AEC HZX 20 0AEC 2 HZX 20 0AEC 2 HZX AEC 1 Q ty Name Descrip on Purpose Control ...

Page 12: ...er capacity kW Heat exchanger volume dm 3 Min Max 0 57 1 16 capacity Equivalent indoor unit 8HP 4HP 2HP 6HP 16HP 12HP 10HP 14HP 20HP 18HP Cooling Heating 9 0 10 0 7 1 8 0 12 5 11 2 1 03 2 37 Cooling Heating 14 0 16 0 11 2 12 5 18 0 16 0 1 92 2 92 Cooling Heating 20 0 22 4 16 0 17 9 25 0 22 4 2 92 3 89 Cooling Heating 25 0 28 0 20 0 22 4 31 5 28 0 3 89 4 76 Cooling Heating 30 0 33 5 28 0 31 5 37 5 ...

Page 13: ...r is no more than 60PPM Impurity content in the heat exchanger is no more than 100mg 2 5 Capacity Control Mode Capacity control mode means the kind of capacity control by AHU CONNECTION KIT to adapt the system performance according to the the cooling and heating load required by the user 1 Inlet air room air temperature control detection temperature of inlet air room air reaches the set temperatur...

Page 14: ...y setting in optional setting of the unit by remote controller Referring to Optional Setting The set temperature by remote controller Cooling 19 30 Heating 17 30 o C o C and Input Output Setting chapter 6 3 unit Referring to Optional Setting and Input Output Setting chapter 6 3 bb 6 factory setting 00 o C bb 4 set by remote controller 01 o C bb 2 set by remote controller 02 o C by remote controlle...

Page 15: ... 2V 8 8V 9 4V 4 20mA 12 32mA 12 96mA 13 92mA 14 56mA 15 52mA 16 48mA 17 12mA 18 08mA 19 04mA 75 80 85 90 95 100 105 110 120 Duty Ipnut Capacity of Normal Duty Ipnut Capacity of Normal 5 28mA 6 24mA 6 24mA 7 20mA 7 84mA 8 80mA 9 76mA 10 40mA 11 36mA signal 0 10V or 0 5V or a current signal 4 20 mA The duty signal is generated by a field supplied DDC 80 100 120 40 60 0 4V 0 8V 5 28mA 0 7V 1 4V 6 24m...

Page 16: ...and Input Output Setting chapter 6 3 The AHU Connection Kit will respond to the duty signal only after the unit is switched on by remote controller central controller or Remote Control ON OFF Function Referring to Optional Setting and Input Output Setting chapter 6 3 The capacity of outdoor unit is controlled by its own control system instead of by external duty signal during start running defrost...

Page 17: ...at least 3 meters away from the electromagnetic wave radiator Installation methods are selectable according to the space Follow the arrow direction on the expansion valve box for installation 3 Keep the distance between the heat exchanger of AHU and the expansion valve box for the piping length up to 5m Also the elevation difference between the heat exchanger of AHU and the expansion valve box mus...

Page 18: ...Min 50 Fix the unit in the same way as the shipping 1 In case a false ceiling is 266mm and more install the unit according to 1 Fixing with Suspension Bolt 2 Ceiling should be strong enough to avoid vibration and noise 3 Perform piping and wiring connection work inside of the false ceiling after suspending the unit Especially as for the existing ceiling perform piping and wiring work to the connec...

Page 19: ...in on the thermistor cable 1 Fix the thermistor with insulating aluminum tape field supplied in order to ensure a good heat Most sensitive point of the thermistor Maximize the contact 2 Put the insulating tape field supplied around the thermistor in order to avoid loosening of the thermistor after some years 3 Fasten the thermistor with 2 cord clamps field supplied 4 Insulate the thermistor with t...

Page 20: ...It may cause breakage with aged deterioration and refrigerant leakage Use a specified flare nut Regarding refrigerant piping work vacuum pumping work and additional refrigerant charge refer to the outdoor unit Installation Maintenance Manual 0 4 0 8R fA fd 90o 2o 45o 2o Unit mm in Diameter fd A 0 0 4 4 35 9 3 8 9 53 3 Pipe Size Tightening Torque f 35 4 0N m f 9 53 3 8 40N m Unit Side Insulation Ma...

Page 21: ... PCB failure Cable gland diameter specification 6 0mm min to 10 0mm max If needed install additional tube insulation or wind with insulation tape around the wire to make the wire thicker Use the attached waterproof cable gland to secure the wires firmly After pass the wires through the cable gland close the nut firmly in order to ensure a good pull relieve and water protection For unused cable gla...

Page 22: ...rd The length of wires supplied with expansion valve box is 5m Fig Fig 0 PCB PCB PCB PCB Clamp wire of THM THM terminal on PCB For inlet air room air temperature control and outlet air temperature control insert the inlet air thermistor For Duty signal control insert the wire of THM from PCB and secure the wire with clamp ...

Page 23: ...al output compatible with AC power source maximum 1 5 A L3 and N3 compatible with AC power source maximum 2 5 A 1 Alarm occurs and MD signal L2 N2 outputs ON automatically if the FS terminal 5 6 of flow switch signal is open The terminal is short circuited with a jumper before shipment 2 Definition of Input Signals refer to chapter 6 3 Make the wires for input signals as short as possible DO not i...

Page 24: ...s indicated and the mode number is flashed Press the TEMP or switch and set 01 or 02 Then press the CHECK switch 2 Selection of Optional Setting Mode Input Output Setting Mode Mode Number 02 4 Selection of Input Output Number Input Output Number Select the input output number by pressing the TIME or switch Example When selecting o1 Output 1 In Case of Setting Other Items 01 or 02 flashes In Case o...

Page 25: ...and perform to initialize Press CHECK switch and the initialization is performed It takes approximately 15 to 30 seconds When displayed CL the optional and input output settings are initialized restore to factory settings In case of performing to initialize the other indoor units repeat the procedure from step 3 In this case the indoor unit address is completed to initialize the indication CL is d...

Page 26: ...ore Power OFF Compensation of the outlet air temperature for outlet air temperature control mode Cooling Heating 0 o C 2 o C 4 o C 6 o C 2 o C 4 o C 6 o C 6 o C 0 o C 2 o C 4 o C 6 o C 2 o C 4 o C 6 o C 6 o C Type of Duty Signal 0 10V 12 C8 Thermistor of Remote Control Switch 00 01 02 Control by Indoor Suction Thermistor Control by Thermistor of Remote Control Switch Control by Average Value of In...

Page 27: ...ion 2 Operation Thermo ON Signal during Cooling 05 Remote Control ON OFF Function 2 Stop Heating Signal 06 Cancellation of Commands from Remote Control Switch after Forced Stoppage Thermo ON Signal during Heating 07 Cooling or Heating Operation Mode Setting 08 Not Available Defrost signal Setting When Shipping Indication 2 Remote Control ON OFF Function 1 03 Cancellation of Commands from Remote Co...

Page 28: ...onds after power supply is turned ON is not available due to initializing of components Do not change the signal RUN STOP in this period 2 Remote Control Switch is required for this function ON OFF ON OFF Time Unit Operation Signal to Control by R C S Press the RUN STOP switch Time Chart NOTE Operation priority is given to the remote ON OFF signal or remote control switch signal which is given las...

Page 29: ...e signal RUN STOP in this period 2 Remote Control Switch is required for this function ON X1 OFF X2 Power Source Control Circuit X1 X2 NOTE The pulse width shall be wider than 200ms Wiring Diagram Example of Remote Control 2 Signal to Stop Control by R C S Unit Operation Time Chart Time Setting indication 04 05 Signal to Opeation COM Terminal board Setting indication 04 Setting indication 05 3 If ...

Page 30: ...ontact is shown below Signal to Control by R C S Unit Operation Time Chart Time SS3 X1 Power Source Control Circuit SS3 Forced Stoppage Sw Wiring Diagram Example Control by R C S Unit Operation Time Chart Time NOTES 1 Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components Do not change the signal RUN STOP in this period 2 Remote Contr...

Page 31: ...ree 2 Do not use a thermostat utilizing mercury 3 This function can be used together with 6 4 1 Remote Control ON OFF Function Temperature Increase Thermostat 6 4 2 Control by Field Supplied Room Thermostat COM Terminal board Setting indication 0 0 Thermostat Cooling Input to and Room Thermostat Heating Input to Setting indication 0 Setting indication 0 4 This function can not be used together wit...

Page 32: ...ignal Input to COOL HEAT X1 Power Source Control Circuit Signal to Heat Cool Operation Mode of Unit Heat Cool Control by R C S Cool Control by R C S Heat NOTES 1 This function can not be used together with the following functions Remote Control ON OFF Function 2 and Cancellation of Commands from Remote Control Switch after Forced Stoppage 2 Remote Control Switch is required for this function 6 4 3...

Page 33: ...ermo ON or Thermo OFF Connect the wires as shown below This function is utilized to pick up the cooling Thermo ON signal of compressor running the wires as shown below The contact of RYa is closed when THERMOSTAT is ON during cooling operation mode 4 Thermo ON Signal during Cooling Setting indication 04 5 H eating operation Signal Setting indication 05 This function is utilized to pick up the heat...

Page 34: ...the groove Ex Set at No 5 Cycle DSW5 Set All Pins OFF RSW2 Set at 5 Before shipment DSW5 and RSW2 are set to 0 Max 64 cycles are available to set when all the equipment to be connected are corresponding to H LINK II Max 16 cycles when the units corresponding non corresponding to H LINK II are combined DSW3 must be set corresponding to the nom heat exchanger Capacity of the AHU at field site accord...

Page 35: ...eration reliability and Lifetime of entire AHU system may be influenced The temperature of the heat exchanger inside the AHU may become down to 20 C and the discharge air temperature may become 0 C during cooling operation The components and materials inside the AHU shall be compatible with the temperature Note that dew condensation on the heat exchanger AHU main body and the refrigerant pipe occu...

Page 36: ...P00820Q 2017 07 V04 Add 17 Donghai Xi Road Qingdao 266071 P R China Qingdao Hisense Hitachi Air conditioning Systems Co Ltd ...

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