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Related Manuals for Midea DC HRV Series
Summary of Contents for Midea DC HRV Series
- Page 1 Commercial Air Conditioners Technical Manual DC Series HRV DC 50Hz HRV-D200(B) HRV-D500(B) HRV-D1500(B) HRV-D300(B) HRV-D800(B) HRV-D2000(B) HRV-D400(B) HRV-D1000(B)
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Page 2: Table Of Contents
DC Series HRV Nomenclature ..................4 Product Details ..................4 External Appearance................5 Features ....................6 Main parts of the unit ................7 Main PCB Description ................9 Wiring Diagrams .................. 11 Specifications ..................12 Dimensions ..................14 10. Maintenance Spaces ................16 11. -
Page 3: Nomenclature
DC Series HRV 1. Nomenclature HRV - D400(B) B: Version code 400: Air Volume (m D: DC Fan motor HRV: Heat Recovery Ventilator 2. Product Details Air volume Net dimension Net weight Model Power supply (L×W×H) (unit: mm) (kg) HRV-D200(B) 1195×801×272 53.6 220-240V~50Hz... -
Page 4: External Appearance
DC Series HRV 3. External Appearance HRV-D200(B) ~ HRV-D400(B) HRV-D500(B)~HRV-D1000(B) HRV-D1500(B)~HRV-D2000(B) -
Page 5: Features
DC Series HRV 4. Features HRV (Heat Recovery Ventilator) employs advanced technology; the heat exchange core is formed by special paper that is processed with chemical treatment and thus creates optimum results in temperature, humidity and cooling recovery. Wide capacity range up to 2000 m ... -
Page 6: Main Parts Of The Unit
DC Series HRV 5. Main parts of the unit HRV-D200(B)~HRV-D400(B) Exhaust air outlet Foam type air duct Air filter Fresh air inlet heat exchange core Air filter By-pass 200(B)~HRV-D400(B) Return air inlet Supply air outlet Electric control box HRV-D500(B)~HRV-D1000(B) heat exchange core Exhaust air outlet Air filter... - Page 7 DC Series HRV HRV-D1500(B)~HRV-D2000(B) Sheet metal type air duct Return air inlet Air filter heat exchange core Air filter By-pass Supply air outlet Exhaust air outlet Fresh air inlet Electric control box...
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Page 8: Main Pcb Description
DC Series HRV 6. Main PCB Description 6.1 Main PCB Ports Figure 6.1: HRV-200(300,,400,500,800,1000,1500,2000)(B) Main PCB Picture shows all the terminals. Some reserved terminal will not be existed when mass production. Reserved terminals are showing in following table. - Page 9 DC Series HRV Table 6.1: HRV-200(300,400,500,800,1000,1500,2000)(B) Main PCB ports Label in Figure 1.1 Code Content Port voltage AC power input 220V AC CN19 bypass port 220V AC CN20 E-heat control 220V AC CN15 Alarm 220V AC CN14 Signal for ventilation fan 220V AC CN24/CN27 DC fan...
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Page 10: Wiring Diagrams
DC Series HRV 7. Wiring Diagrams... -
Page 11: Specifications
DC Series HRV 8. Specifications HRV-D200(B) / HRV-D300(B) / HRV-D400(B) / HRV-D500(B) Sale Model HRV-D200(B) HRV-D300(B) HRV-D400(B) HRV-D500(B) Ph-V-Hz 1-phase, 220-240V~50Hz Power supply 70/45/25 100/55/35 110/70/40 150/95/50 Input power (H/M/L)(standard G4) Input power (H/M/L)(F7+M5) 80/40/25 100/55/35 110/70/40 150/95/50 Nominal Temperature Efficiency (standard G4) 79.5/81.1/83.5 75.5/78.8/82.5 77.7/79.0/81.3... - Page 12 DC Series HRV HRV-D800(B) / HRV-D1000(B) / HRV-D1500(B) / HRV-D2000(B) Sale Model HRV-D800(B) HRV-D1000(B) HRV-D1500(B) HRV-D2000(B) Ph-V- Power supply 1-phase, 220-240V~50Hz 320/170/80 380/210/100 680/320/200 950/500/230 Input power (H/M/L) (standard G4) 320/170/80 420/230/100 680/320/200 950/500/230 Input power(H/M/L) (F7+M5) Nominal Temperature Efficiency (standard G4) 78.7/82.1/86.8 82.8/84.0/87.4 75.5/78.6/80.2...
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Page 13: Dimensions
DC Series HRV 9. Dimensions HRV-D200(B)~HRV-D400(B) Electric Door control By-pass Return air inlet Exhaust air outlet system Supply air outlet Fresh air inlet HRV-D500(B)~HRV-D1000(B) Electric control Door Exhaust air outlet By-pass Return air inlet system Fresh air inlet Supply air outlet Model 1007... - Page 14 DC Series HRV HRV-D1500(B) Electric Door control 1425 By-pass system Flange dimension Return air inlet Exhaust air outlet Supply air outlet Fresh air inlet 1690 1740 HRV-D2000(B) Electric Door control 1625 Flange dimension Exhaust air Return air inlet outlet Supply air outlet Fresh air inlet...
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Page 15: Maintenance Spaces
DC Series HRV 10. Maintenance Spaces Unit:mm Unit：mm 1000 Maintenance space... -
Page 16: Fan Performance
DC Series HRV 11. Fan Performance 11.1 How to Read the Diagram The horizontal axis is the Static Pressure (Pa) while the vertical axis represents the Air Flow (m /h). The characteristic curve for the “H” “M” and “L” fan speed control. 11.2 Fan Performance Diagram HRV-D800(B) HRV-D2000(B) - Page 17 DC Series HRV Notes: All the above fan performance diagrams are obtained under the condition of F7+M5 filter.
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Page 18: Electrical Characteristics
DC Series HRV 12. Electrical Characteristics Indoor Unit Power Supply Model Voltage Min. Max. 220-240 1.3A HRV-D200(B) HRV-D300(B) 220-240 1.7A HRV-D400(B) 220-240 2.0A HRV-D500(B) 220-240 2.5A HRV-D800(B) 220-240 5.0A HRV-D1000(B) 220-240 6.0A HRV-D1500(B) 220-240 8.0A HRV-D2000(B) 220-240 10.0A Notes: MCA: Min. Circuit Amps. (A) MFA: Max. -
Page 19: Installation
DC Series HRV 14. Installation 14.1 Installation Preparation Warning: The accessories needed for installation must be retained in your custody until the installation work is completed. Do not discard them. 1. Leave the unit inside its packaging while moving, until reaching the installation site. Where unpacking is unavoidable, use a sling of soft material or protective plates together with a rope while lifting, to avoid damage or scratches to the unit. - Page 20 DC Series HRV Please consult architect or carpenter if necessary. 4. Install the suspension bolts (Use M10 to M12 suspension bolts). For existing ceilings or other parts purchased on site, please use embedded anchors and sunken insert anchors to reinforce the ceiling to withstand the weight of HRV. 5.
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Page 21: Wiring
DC Series HRV 15. Wiring 15.1 Warning: 1. All the supplied parts, materials and electrical works must comply with local regulations. 2. Only use copper wires. 3. Use a steady power supply for air-conditioners. The power voltage must be in line with rated voltage. 4. - Page 22 DC Series HRV 15.2 Electric data Specification Model Power supply Power supply wire dimension Input current main Code wire cross- switch /fuse(A) HRV-D Phase Frequency/voltage Wire’s quantity section (mm 200(B),300(B),400(B), 3 (Earthing line should be 500(B), 800(B), 1000(B), Single phase 220-240V~50Hz 15/30 used yellow/green wire.)
- Page 23 DC Series HRV Outdoor (Connect the shielded end of the shielded wire to the unit electronic controller box sheet metal " " here) Signalling line (P Q E) between outdoor units Connecting the shielded layer of the shielded wire (P Q E) Indoor and outdoor units Communication wire...
- Page 24 DC Series HRV 15.5 Communication wiring between the indoor unit and wired controller Once the wiring and connections are done, use tie straps to secure the wiring properly so that the connection joint cannot be pulled apart by external force. The connection wiring must be straight out so that the cover of the electrical box is level and can be closed tightly.
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Page 25: Trial Run
DC Series HRV 16. Trial Run 16.1 Pay attention to the following items before operation 1. Before start-up, please clean up the duct and check whether all air valves and devices are normal. 2. Carefully adjust the system air valves when start-up; control the current of motor in rated range. 3. -
Page 26: Troubleshooting
DC Series HRV 17. Troubleshooting 17.1 LED2 Explanations: Number LED2 Flashing Times Explanation Display Content Description ● Unit is ON ○ Unit is OFF ★2 Indoor temperature Sensor(T1) Fault of outdoor temperature Sensor(T4) , the old protocol shows ★4 Outdoor temperature Sensor(T4) that EF is not E5, and the new protocol shows E5;... - Page 27 DC Series HRV 17.2 E2/E5/EF:T4/T1 Temperature Sensor Troubleshooting T4 sensor error / T1 sensor error Check whether the wiring of the temp. sensor Connect the wiring well is break off Check whether the resistance of temp. sensor Replace temp. sensor is wrong refer to the Annex 1 Replace main controller panel 17.3 E7: EEPROM fault...
- Page 28 DC Series HRV 17.4 E6: DC fan fault DC fan fault Is the motor fan stuck Adjust the IDU fan Is the cable between the main board and the Properly connect the cable fan not connected or loose Is the IDU input power abnormal Power failure;...
- Page 29 DC Series HRV 17.6 E1: ODU communication failure Communication wires P Q E have short circuited Reconnect the communication wires or disconnected Communication wires P Q E are not connected Connect the communication wires in a daisy in a daisy chain chain 2.5v voltage check P Q E Interference from high voltage (220V or higher)
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Page 30: Maintenance
DC Series HRV 18. Maintenance 1. During early use, the operation of the fan should be checked regularly. 2. The cleaning regulation for filter mesh depends on local environment. It can be cleaned by vacuum dirt exhauster or water; if heavy dust accumulates, neutral detergent should be used to clean it thereafter should be dried in shady and cool place for 20 to 30 minutes and replace it. -
Page 31: Controller
DC Series HRV 19. Controller 19.1 Wired controller KJR-27B/E (Optional 1) The basic operation conditions of wired controller are as follows: 1. The range of power supply voltage: the voltage input is 5V DC. 2. Ambient temperature range: -15℃～+43℃. 3. Ambient humidity range: RH40%～RH90%. 4. - Page 32 DC Series HRV The button is used at the state of CLOCK adjustment. After select the time, push the button to confirm then exit, the current clock will display. 6 RESET button (hidden): Use a small stick with a diameter of 1mm to push the RESET button to cancel the current settings and get into the condition of resetting.
- Page 33 DC Series HRV Usually display the clock set currently. Press the button CLOCK for 4 seconds, the HOUR part will flash, press button ▲and ▼ to adjust HOUR. Press the button CLOCK again, the minute part flash, press button ▲or▼to adjust MINUTE. After clock set or clock operation, it must press CONFIRM to complete the set.
- Page 34 DC Series HRV 19.2 Wired controller WDC-120G/WK(A) (Optional 2) 19.2.1 Name and functions of buttons on wired controller Button Description Mode Selects the running mode Temp UP button Increases the set temperature ON/OFF button Turns ON/OFF the IDU LED (Green) Stays solid green when the unit is powered ON and blinks if there is a fault Left button Selects options to the left...
- Page 35 DC Series HRV 5 Key lock: Press the BACK button for 3 seconds while the backlight is illuminated. The icon is displayed. All the buttons are disabled. Use the button now and the icon will flicker 3 times to prompt. To cancel the key lock mode, hold BACK for 3 seconds while the backlight is already illuminated 6 Reset Filter Indicator:...
- Page 36 DC Series HRV Notes: 1. The HRV unit is not equipped with controller as standard, please purchase controller separately. 2. The standard functions can be controlled by wired controller KJR-27B/E. 3. The CO2 sensor function, the differential pressure sensor function, group control function, week timer function, interlock function, delayed power-off function and parameter setting and query function should be customized;...
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Page 37: Accessories
DC Series HRV 20. Accessories Name Quantity shape Purpose Installation and owner’s manual This Manual Must be delivered to the customer Notes: Wired Controller KJR-27B/E and WDC-120G/WK are optional. KJR-27B/E and WDC-120G/WK must be purchased separately. The following items should be prepared on the site: Name Purpose For connecting unit’s drain pipe , whose length is selected according to the actual requirement (Only... -
Page 38: Appendix
DC Series HRV 21. Appendix The following table shows the Temperature characteristics with resistance of temperature sensor used in the HRV. Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161... - Page 39 Ver. 2020-09 HVAC & Building Technologies Division Midea Group Add.: Midea Headquarters Building, 6 Midea Avenue, Shunde, Foshan, Guangdong, China Postal code: 528311 hbt.midea.com / global.midea.com Note: Product specifications change from time to time as product improvements and developments are released and may vary from those in this...
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