Subscribe to Our Youtube Channel
Related Manuals for Hisense HZX-4.0AEC
Summary of Contents for Hisense HZX-4.0AEC
- Page 1 CONTROL BOX EXPANSION VALVE BOX AHU CONNECTION KIT Power Source HZX-2.0AEC, HZX-4.0AEC, 220-240V CONNECTION 50Hz, HZX-6.0AEC, HZX-10.0AEC, 220V HZX-20.0AEC, 60Hz HZX-30.0AEC P00816Q ORIGINAL INSTRUCTIONS...
- Page 2 Declaration of Conformity (Manufacturer’s Declaration) Qingdao Hisense Hitachi Air-conditioning Systems Co., Ltd. 17, Donghai Xi Road, Qingdao 266071,P.R. China declares under its sole responsibility that the air conditioning models to which this declaration relates: HZX-2.0AEC , HZX-4.0AEC , HZX-6.0AEC HZX-10.0AEC,HZX-20.0AEC,HZX-30.0AEC...
- Page 3 Preface l Do not use this product for specific purposes, such as restoring foods, animals, plants, confidential devices and work of art. l Do not install the unit in the following places. Oil adhesion may cause a fire and also deformation, breakage or corrosion of plastic parts. * Places where oil (including machinery oil) mist and steam drift.
-
Page 4: Important Notice
IMPORTANT NOTICE l Read and understand the safety summary before installing the unit. l HISENSE 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. -
Page 5: Correct Disposal Of This Product
Therefore, the utilization of the unit other than those indicated in these instructions is not recommended. Please contact your local agent, as the occasion arises. HISENSE’s liability shall not cover defects arising from the alteration performed by a customer without HISENSE’s consent in a written form. -
Page 6: Safety Summary
1 Safety Summary l This product is for specified use with incombustible refrigerant R410A. Use refrigerant R410A in the refrigerant cycle. Do not charge oxygen, acetylene or other flammable and poisonous gases into the refrigerant cycle when performing a leakage test or an air-tight test. These types of gases are extremely dangerous and can cause an explosion. - Page 7 l Do not use any sprays such as insecticide, lacquer, hair spray or other flammable gases within approximately one (1) meter from the system. l If circuit breaker or fuse is often activated, stop the system and contact your service contractor. l Do not perform installation work, refrigerant piping work, drain piping and electrical wiring connection without referring to our installation manual.
-
Page 8: System Overview
SYSTEM DESCRIPTION AHU CONNECTION KIT is specially designed to allow connection of direct expansion coils, included a field-supplied Air Handling Unit (AHU) to INVERTER-DRIVEN MULTI-SPLIT AIR CONDITIONER (HEAT PUMP) outdoor units for cooling and heating applications. System Overview 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. - Page 9 C A U T I O N Single combination with only AHU, for HZX-30.0AEC (22-30HP) The two Expansion Valve Boxs wire to the same terminal of Control Box referring to chapter 5.5 Fig.2.1 System Overview Item Description Item Description Outdoor unit 5HPRWH FRQWUROOHU FRPPXQLFDWLRQ Control wires for AHU AHU CONNECTION KIT...
- Page 10 . Production Lineup AHU CONNECTION KIT is composed of Control Box and Expansion Valve Box. AHU CONNECTION KIT: HZX-2.0~20.0AEC Control box Expansion valve box Expansion Valve Box Model: HZX-2.0AEC/2 HZX-4.0AEC/2 Control Box Model: HZX-6.0AEC/2 HZX-AEC/1 HZX-10.0AEC/2 HZX-20.0AEC/2 AHU CONNECTION KIT: HZX-30.0AEC...
- Page 11 Production Lineup and Capacity Capacity Nom Heat Expansion Valve Code Control Box Model: Exchanger CONNECTION Box Model: Setting Capacity of KIT Model (DSW3) 12HP 14HP HZX-20.0AEC HZX-20.0AEC/2 16HP 18HP 20HP HZX-AEC/1 22HP 24HP HZX-20.0AEC/2 HZX-30.0AEC 26HP HZX-20.0AEC/2 28HP 30HP Capacity Code (DSW3) must be set corresponding to the nom heat exchanger Capacity of the AHU. DSW3 is located in the main printed circuit board in control box.
- Page 12 (kW) * CONNECTION Setting capacity Capacity of KIT Model Nom Max Mode (DSW3) Cooling 0.57 1.16 HZX-2.0AEC Heating Cooling 11.2 1.03 2.37 HZX-4.0AEC Heating 10.0 12.5 Cooling 11.2 16.0 14.0 1.92 2.92 HZX-6.0AEC Heating 12.5 16.0 18.0 Cooling 16.0 20.0 22.4...
- Page 13 l The selected heat exchanger of AHU must be designed for R410A.The design pressure of the heat exchanger is 4.15 MPa. The burst pressure of heat exchanger and other pipes must exceed 12.45MPa. Insufficient strength may cause the pipes to crack and result in gas leakage. l Refrigerant leakage rate of the heat exchanger is no more than 5g per year.
- Page 14 C A U T I O N For controlling the Inlet air (room air) temperature, the optional setting item E1 must be set as 00 (factory setting) in optional setting of the unit by remote controller. Referring to Optional Setting and Input/Output Setting (chapter 6.3) .
- Page 15 The optional setting item of outdoor unit must be set as 2 for G, M, R, X series in optional function setting of outdoor unit from outdoor unit PCB. Referring to OPTIONAL FUNCTION of outdoor unit service manual. The optional setting item of outdoor unit F2 must be set as 1 for C series in optional function setting of outdoor unit from outdoor unit PCB.
- Page 16 C A U T I O N For duty signal control, the compatible outdoor units are only G, M, R, X, C series. Only single combination with AHU is allowed. The optional setting item E1 must be set as 02 in optional setting of the unit by remote controller. Referring to Optional Setting and Input/Output Setting (chapter 6.3) .
-
Page 17: Transportation And Handling
expansion valve box while cooling operation. 3 Transportation and Handling In this case, utilize the insulation. The sound of refrigerant running through the expansion valve box may be heard Therefore install the expansion valve box • Do not perform installation work without where the sound will not leak such as in referring to Installation Manual. - Page 18 Expansion valve box Service Cover C A U T I O N Fixing Installation Direction Screw Bracket (2pcs.) Follow the arrow Bracket direction for installation Expansion Valve Box 3 Fixing Screws (Label) for Service Cover (1) Fixing with Suspension Bolt (Recommended) Fixing Bracket Suspension...
-
Page 19: Thermistor Installation
3.5 Thermistor Installation 2 Put the insulating tape (field-supplied) around the thermistor in order to avoid loosening of the Liquid and gas pipes thermistors thermistor after some years. Two type thermistors are supplied inside the control box. The purpose and identification of each one is as follow: PCB socket / Thermistor... -
Page 20: Refrigerant Piping Work
Refrigerant Piping Work Connect the Expansion Valve Box to the liquid Do not fasten flare nut hard. It may cause pipe as shown in Fig... breakage with aged deterioration and Limitation of Installation refers to chapter 2.4. refrigerant leakage. Use a specified flare nut. Piping Materials Regarding refrigerant piping work, vacuum () Prepare locally-supplied refrigerant pipes. -
Page 21: Electrical Wiring
Electrical Wiring • Connect the wires to the terminal board according to the wiring diagram. • Following the local codes and regulations when performing the electrical wiring. • Use shielded wires for intermediate wiring to protect the units from noise obstacle at length of less than 300m and size in compliance with local codes. - Page 22 Control box terminal board Fig. Terminal board Terminal board 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 Terminal board connection and remarks Terminal board Cross section Maximum length Terminal Description Connect to Type of cable Specifications Digital output, 12 V DC, Relay for electric heater Sheathed PVC cable 2 x 0.5 3, 4 Electric heating signal maximum 33 mA Digital input ,Free contact between terminals FS: Flow switch...
- Page 24 Optional Setting and Input Output Setting Perform the following instructions by means of the Remote controller supplied with AHU CONNECTION KIT for Optional Setting and Input / Output Setting. . Optional Setting and Input / Output Setting by Remote controller 3.
- Page 25 . Initialization of Optional Setting and Input/Output Setting by Remote controller The procedure for initialization of optional settings and input / output settings are as follows. 3. Selection of Indoor Unit Normal mode (when unit is not operating) "07" flashes. Select the address of the indoor unit 1.
- Page 26 Individual Setting No. Items Optional Function Contents Setting Condition Control by Indoor Suction Thermistor Control by Thermistor of Remote Control Switch Thermistor of Remote Control Switch ○ Control by Average Value of Indoor Suction Thermistor and Thermistor of Remote Control Switch Forced Stoppage Input: A Contact Selection of Forced Stoppage Logic ×...
- Page 27 Input / Output Setting HIGH COOL SERVICE Table B Input and Output Number Indications / Terminals / factory-setting ● Setting When Shipping Indication number Indication Remarks Terminals Remote Control ON/OFF Function 1 Input1 ,COM Cancellation of Commands from Remote Input2 ,COM Control Switch after Forced Stoppage Output1...
-
Page 28: Input Setting
6 .4 Input Setting 6 .4.1 Remote Control ON/OFF Function This function provides a control to stop and start the system from a remote place. Four methods are available by using each signal from a building management system. The factory-setting is as follows; “Remote Control 1” Signal Input to , and “Cancellation of Commands from Remote Control Switch after Forced Stoppage”... - Page 29 (Setting indication 04/05) (2) Remote Control ON/OFF Function 2 (Pulse Signal Input) This is an ON/OFF function from a remote place by using pulse signal. The basic wiring and time chart are shown below. (In Case of “ON” Signal Input to ,Setting indication 04 ,Setting indication 05) and “OFF”...
- Page 30 (Setting indication 0) (3) Cancellation of Commands from Remote Control Switch after Forced Stoppage By using the signal from a building management system, the air conditioners can be stopped and the individual commands from the remote control switch are canceled. The basic wiring and time chart are shown below.
- Page 31 (Setting indication 0/0) 6 .4.2 Control by Field-Supplied Room Thermostat In the case that a field-supplied room thermostat instead of the inlet thermistor of the indoor unit is used, connect wires as shown below. (In Case of “Room Thermostat (Cooling)” Input to ,Setting indication 0 and “Room Thermostat (Heating)”...
- Page 32 6 .4.3 Cooling or H eating Operation Mode Setting (Setting indication 07) By utilizing this function, the cooling or heating operation mode can be changed by giving a contact signal from the outside to the unit. The operation mode is followed by the field-supplied switch or the remote control switch, which is used last.
-
Page 33: Output Setting
6 .5 Output Setting Operation Signal (Setting indication 01) This function is utilized to pick up the operation signal. By this function, operation signal at a remote place can be checked, or operation at the fresh air intake fan motor can be interlocked. Connect wires as shown below. -
Page 34: Setting Of Dip Switches
Setting of Dip Switches PCB layout referring to Fig. in chapter 5.3. Dip Switches ON PCB1 Dip Switches ON PCB2 DSW DSW Ex.) Set at No.16 Unit DSW Set by inserting Setting DSW6 Position Slotted screwdriver into the groove Set No.1 Pin ON Before shipment. -
Page 35: Warranty Policy
Warranty policy We can be held responsible for the quality and performance of the AHU CONNECTION KIT we supply. However, we cannot be held responsible for the performances, operations and machine controls of the entire AHU system which incorporates our AHU CONNECTION KIT ,nor for any damages to the entire system ,the AHU main body or the outdoor units caused by connected AHU with wrong specification or wrong usage of AHU. - Page 36 Qingdao Hisense Hitachi Air-conditioning Systems Co., Ltd. Add. : 17,Donghai Xi Road,Qingdao 266071,P.R. China P00820Q 2017.07...
Need help?
Do you have a question about the HZX-4.0AEC and is the answer not in the manual?
Questions and answers