Airwell OVVA-090N-01M25 User & Installation Manual
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Airwell OVVA-090N-01M25 User & Installation Manual

Heat pump indoor unit
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User & Installation manual
HEAT PUMP INDOOR UNIT
English Manual
OVVA-090N-01M25
OVVA-160N-01M25
OVVA-310N-01M25
IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to
save this manual for future reference.
24.AW.OVVA.090-310.R410a.IM.EN.09.29.Rev01

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Summary of Contents for Airwell OVVA-090N-01M25

  • Page 1 User & Installation manual HEAT PUMP INDOOR UNIT English Manual OVVA-090N-01M25 OVVA-160N-01M25 OVVA-310N-01M25 IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference. 24.AW.OVVA.090-310.R410a.IM.EN.09.29.Rev01...

  • Page 2: Table Of Contents

    Contents Safety ....................................1 Accessories ..................................3 Installation Instructions ..............................6 Electric wiring and the application ........................... 18 Operation instructions for controller..........................24 Move and scrap the air conditioning ..........................45...

  • Page 3: Safety

    • Use only accessories and components with this equipment. Failure to use unapproved or 3rd party accessories Airwell could result in damage, electrical shock or fire. • Do not add or replace refrigerant other than the specified, it may cause product damage, burst and Injury etc.
  • Page 4 Safety • Make sure that drainage piping is installed properly according to this instruction, preventing the water entering the room and cause damage to properties. • Take use of the attached accessories parts and specified parts for installation. Otherwise, it will cause the drop of unit, water leakage, fire or electrical shock.

  • Page 5: Accessories

    Water filter Y type Standard Accessory Water pressure gauge Standard Standard Control panel Standard Standard Parameters: Model Code OVVA-090N-01M25 OVVA-160N-01M25 OVVA-310N-01M25 Cooling (1) 7 kw 14 kw 28 kw Nominal capacity Heating (2) 9 kw 16 kw 31 kw Dimensions Unit H x W x D 850 ×...
  • Page 6 Accessories Model Code OVVA-310N-01M25 OVVA-090N-01M25 OVVA-160N-01M25 Water Design pressure Pressure relief valve 5 bar 5 bar 5 bar incl. Expansion vessel Water circuit Piping diameter inch R1-1/4 Inlet Water circuit Piping diameter inch R1-1/4 Outlet Refrigerant Type R410A R410A R410A Refrigerant Design 4.15MPa...
  • Page 7 Accessories • Install a suitably sized expansion vessel. Follow all local regulations for the installation of closed circuit heating systems. • Make the piping route a closed circuit. (An open water circuit may cause a failure.) • Before a long period of none use, purge the water out of the pipes and thoroughly let them dry. Do not add brine to the circulating water.

  • Page 8: Installation Instructions

    Installation Instructions Dimension Diagram 480mm 310mm Front View Side View 70mm 150mm 84mm Bottom View...
  • Page 9 Installation Instructions Main Components diagram OVVA-090/160N-01M25 Pressure relief valve Air purge valve Flow switch Plate heat exchanger Expansion vessel Electronic expansion valve Solenoid valve Water filter Water pump Water pressure gauge OVVA-310N-01M25 Air purge valve Pressure relief valve Plate heat exchanger Electronic expansion valve Solenoid valve Flow switch...
  • Page 10 • The air purge valve does not have a check function. When replacing the air purge valve, drain the water in the system to prevent water leakage. Pipe Position Diagram ⑤ ② ① ③ ④ Connection Size (in.(mm)) Pipe Description OVVA-160N-01M25 OVVA-090N-01M25 OVVA-310N-01M25 Refrigerant liquid pipe 3/8(9.52) 3/8(9.52) 3/8(9.52) ① Refrigerant gas pipe 5/8(15.88) 5/8(15.88) 3/4(19.05) ②...
  • Page 11 Installation Instructions A. Select the Best Installation Location The unit must be installed indoors, and the requirements are as follows. • The indoor unit must be installed on a vertical wall. • The mounting wall must be even and nonflammable, it must be strong and solid enough to hold the unit and prevent it from vibration.
  • Page 12 Installation Instructions C. Indoor Unit Installation • Secure the installation plate Ⅱ to the bottom of the unit with 3 screws. • Lift up the unit and hang the slots behind of the unit on the hook of the installation plate Ⅰ. •...
  • Page 13 Installation Instructions D. Water Piping Installation Floor heating+Radiator Indoor Radiator Pump 1 Thermistor 1 Outdoor Mixing valve Thermistor 2 Pump 2 Buffer tank Floor heating • Connect floor heating or radiator to 2 circuits through buffer tank as shown in figure. •...
  • Page 14 Installation Instructions Boiler connection Indoor Buffer tank Outdoor Pump Thermistor Mixing valve Boiler Floor heating • This is an application that connects the boiler to the indoor unit, to compensate for insufficient capacity by operate boiler when outdoor temperature drops & heat pump capacity is insufficient. •...
  • Page 15 Installation Instructions Floor heating + Radiator + DHW (Domestic Hot Water) + Swimming pool + Standard indoor unit E. Product connection form The Hydro box is connected with the standard indoor unit. As it involves the demand for hot water in summer, VIP settings need to be added to the control of heating mode and cooling mode.
  • Page 16 Installation Instructions Floor heating + Radiator + DHW (Domestic Hot Water) + Swimming pool + Standard indoor unit Airwell Note： 1. When the standard indoor unit and the Hydro Box are cooled at the same time and the return water temperature is less than 15 C, the effect of the Hydro Box will be reduced, and it is not recommended to use both.
  • Page 17 Installation Instructions • Make sure the water piping is connected complying the European regulations. • Cover the pipe end to prevent dust entering the water piping when inserting it through a hole in the wall. • Flush tap water through the water piping before connecting to indoor unit to ensure there is no impurities in the water system.
  • Page 18 Installation Instructions E. Refrigerant Piping Installation • Please make flare after inserting flare nut (located at joint portion of Always use a backup wrench when tube assembly) onto the copper pipe. (in case of using long piping) tightening and loosening flare nuts. Tubing •...
  • Page 19 Installation Instructions H. Hydraulic circuit The maximum piping length depends on the maximum pressure availability in the water outlet pipe. Please check the pump curves. This curve is applicable to OVVA-090N-01M25 and OVVA-160N-01M25. Xinhu pump curves:...

  • Page 20: Electric Wiring And The Application

    Electric wiring and the application Before opening the front plate and electrical cabinet, always switch off all power supply (i.e. indoor unit power supply, electrical water heater power supply and tank unit power supply). Only authorized and licensed electrician can open the front plate and electrical cabinet to install and maintain the unit.

  • Page 21: Electrical Wiring Diagram

    Electric wiring and the application • Earth resistance should meet the national standard requirement. • The yellow and green double color line of air conditioning unit is ground wire, do not move, splice or use it for any other purpose. Unit ground terminal cannot be connected with a self-tapping screw or risk electric shock. •...

  • Page 22: Wiring Connection

    Electric wiring and the application • The outdoor unit and indoor unit require independent power distribution. Wiring connection PUMP_0 HU built-in pump 220V output PUMP_1 Zone1 pump control signal output(220V) PUMP_2 Zone2 pump control signal output(220V) Gas Boiler Gas Boiler pump control signal output(220V) 3 way valve Zone1 3 way vavle control output(220V) Mixing valve...
  • Page 23 Electric wiring and the application Twzone_2 Zone2 water temperature behind water mixing valve T_buffer Buffer water tank sensor T_tank DHW tank sensor Outlet temperature sensor Water flow meter Room thermostat 1 Zone1 Third party thermostat Room thermostat 2 Zone2 Third party thermostat Com 1_OD Communication with OD unit Com 3 _I/O...

  • Page 24: Failure Code

    Electric wiring and the application Failure code Indoor unit failure code Code Error code definition Notes Water inlet temp.sensor(Twi)failure Restorable Water outlet temp.sensor(Two)failure Restorable In refrigerant temp.sensor(Thi)failure Restorable Out refrigerant temp.sensor(Tho)failure Restorable EEPROM failure Unrecoverable Communication failure with outdoor unit Restorable Communication failure with wired controller Restorable...
  • Page 25 Unit type BM1_1 HU type HU*WAMNA OVVA-***N-01M25 BM1_2 Default BM1_3 Reserved Default BM1_4 Unit Model BM1_5 OVVA-090N-01M25 BM1_6 Unit Model selection BM1_7 OVVA-160N-01M25 BM1_8 OVVA-310N-01M25 BM2 introduction ② Automatic setting (default) Indoor communication address BM 2_1 setting mode Dial set address...

  • Page 26: Operation Instructions For Controller

    Operation instructions for controller Part information for controller Restart button ① : Hold Restart button for 10s to restart controller. Check whether the controller software is normal. Display / Touch area Restart button ② : Press to restart controller. Check whether the controller chip is normal. Hanger hole Hanger hole Power: 12V DC...

  • Page 27: Controller Installation

    Operation instructions for controller Power supply (12V, GND): 12V DC, please pay attention to “+, -” of power supply. Fire alarm linkage contact (ALARM1, ALARM2): Short circuit the ALARM1 and ALARM2 (Reserved port). Third party interface (B1, A1): A1 — 485+, B1—485-(Reserved port). Communication port (B2, A2): It is used for connecting converter, please pay attention to “+, -”, A2—485+, B2—485-.
  • Page 28 Operation instructions for controller The hanging plate is placed in the direction of the illustration, where A/B is the location of the 86 cassette screws, and the C/D is the position of the 120 cassette screws. The pendant is fixed to the hole of the pendant, please pay attention to the UP direction.

  • Page 29: Installation Settings

    Operation instructions for controller Notes: 1. B1 and A1 are unavailable. 2. B2 and A2 for 485 interface on controller, access to split indoor 485B and 485A, paying attention to line order 3. ARALM1 and ALARM2 are reserved ports. Controller Dimension: Set controller as sub ①...

  • Page 30: Function Operation

    Operation instructions for controller Function operation Main interface display Picture 1 This controller can control all parts temperature of the split system, including Zone1, Zone2, DHW (Domestic Hot Water), and Pool. During installation, Zone1, Zone2, DHW, and Pool can be set to ON or OFF. Note: If one Zone in the system, set Zone 1 on;...

  • Page 31: Main Interface

    Operation instructions for controller Main interface When search is completed, the main interface will show as below. Picture 3 is the example. The interface display is subject to the "Equipment Installation" function in installation settings. MAIN/SUB Controller Time Mode Zone2 Zone1 Pool Menu...
  • Page 32 Operation instructions for controller Note: During heating operation of the unit, the setting temperature of zone 1 is higher than zone 2; during cooling operation of the unit, the set temperature of zone 1 is lower than zone 2. If the temperature of the later adjustment exceeds the limit, the temperature in another area will change accordingly.
  • Page 33 Operation instructions for controller Picture 8 Picture 9 You can set except dates for the schedule in Picture 9. Schedule information is not executed on exceptional days. Picture 10 Tap “OK” in Picture 8, the display interface is as follows. Repeat steps to add another schedule.
  • Page 34 Operation instructions for controller Picture 11 ② Delete First, tap the “DELETE” icon in the Picture 12, then small circle will appear like Picture 13; Second, select the schedules to be deleted. Last, press the “DELETE” icon in the lower right corner. Picture 12 Picture 13...
  • Page 35 Operation instructions for controller ③ Unavailable To make a schedule unavailable, tap on the “UNAVAILABLE” icon, see Picture 12. Tap the icon of the desired schedule(s) to unavailable. After tapping “UNAVAILABLE”, unavailable schedules are grayed out as seen in Picture 14. Picture 14 ④...
  • Page 36 Operation instructions for controller 3. Setting Tap “SETTING” on the interface of Picture 6 to enter the setting interface, shown in Picture 17. Picture 17 1) General setting You can change the Backlight brightness, Screensaver time, and Main/Sub controller switch by taping and dragging the slider.
  • Page 37 Operation instructions for controller 3) Function setting Picture 20 Press “FUNCTION” icon to enter the function setting interface, shown in Picture 20. In this interface, you can turn on or off some common functions, and adjusting its working hours. In this interface, you can set following functions. System functions of user setting Function Parameter Range...
  • Page 38 Operation instructions for controller Click the middle position of the lower sidebar of the screen to set the functions of IDU (Indoor Units). IDU functions of user setting Function Parameter Range Default Remarks Force Defrost On/Off Each IDU is controlled separately Heater1 Electric Heating Auto/Forced ON/Forced OFF Auto...
  • Page 39 Operation instructions for controller ① Equipment installation Picture 23 Tap “EQUIPMENT INSTALLATION” icon to enter the unit configuration interface. You can turn on or off the corresponding functions in this interface. Function Parameter Range Default Zone 1 On/Off Zone 2 On/Off Pool On/Off...
  • Page 40 Operation instructions for controller Function Parameter Range Default Zone 1 Compensation Temp. of Cooling -15~15°C 0°C Zone 1 Compensation Temp. of Heating -15~15°C 0°C Zone 2 Compensation Temp. of Cooling -15~15°C 0°C Zone 2 Compensation Temp. of Heating -15~15°C 0°C DHW Compensation Temp.
  • Page 41 Operation instructions for controller Note: Zones water temperature control mode is valid at zone1 and zone2. a. Direct: set direct water temperature (fixed value). b. Auto curve: set water temperature depends on outdoor ambient temperature. The unit automatically adjusts the set temperature according to the curve, which cannot be changed by users.
  • Page 42 Operation instructions for controller ④ Indoor unit installation Tap “INDOOR UNIT INSTALLATION” icon in Picture 22 to enter the IDU parameters setting interface. You can set the operating parameters for the IDU. Picture 26 Function Parameter Range Default Selection of IDU Electric Heating Type None, Heater 1, Heater2, Heater 1 +Heater2 Heater 1+ Heater2 Flow Switch...
  • Page 43 Operation instructions for controller ⑤ Restore setting Tapping “RESTORE SETTING”, the system will be resettled to factory defaults and clear all settings. Picture 27 If you click “YES” to reinitialize, the controller will restart. If you click “Cancel”, then exit POP. 5) Status Tapping “STATUS”...
  • Page 44 Operation instructions for controller ① System Function Remarks On indicates that there is an optional PCB (IO board), and Off Optional PCB indicates that there is no optional PCB. Third Party Controller Mode of Pool On/Off Third Party Controller Mode of DHW On/Off IDU Quick Stop Normal, Stop...
  • Page 45 Operation instructions for controller ② IDU Status Picture 29 Function Remarks IDU Mode Stop, Cool, Heat, DHW, Pool IDU Antirust Operation On/Off IDU Anti-freeze Operation On/Off IDU Defrost Operation On/Off IDU Heater1 Overheated Normal, Overheated IDU Heater2 Overheated Normal, Overheated IDU Heater1(1kW) Output On/Off IDU Heater2(3kW) Output...
  • Page 46 Operation instructions for controller ③ ODU Status Picture 30 Function Remarks Outdoor Unit Mode Stop, Cool, Heat Outdoor Defrost On/Off Outdoor Type Outdoor Voltage Type Power supply voltage of outdoor unit. Outdoor Frequency Type 50Hz/60Hz Outdoor Refrigerating Capacity Display accuracy: 0.5HP Outdoor Compressor Target Frequency Display accuracy: 1rps Outdoor Compressor Actual Frequency...

  • Page 47: Move And Scrap The Air Conditioning

    Move and scrap the air conditioning • When moving, to disassemble and re-install the air conditioning, please contact your dealer for technical support. • In the composition material of air conditioning, the content of lead, mercury, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers are not more than 0.1% (mass fraction) and cadmium is not more than 0.01% (mass fraction).
  • Page 48 Consult with the sales agency or manufacturer for details. ATTENTION : Le design et les données techniques sont donnés à titre indicatif et peuvent être modifiés sans préavis. AIRWELL RESIDENTIAL SAS 10,Rue du Fort de Saint Cyr, 78180 Montigny le Bretonneux - France www.airwell.com...

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Ovva-160n-01m25Ovva-310n-01m25

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