Airwell CVTA-025/022N-01M22 Service Manual
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Airwell CVTA-025/022N-01M22 Service Manual

Airwell CVTA-025/022N-01M22 Service Manual

Round-way smart air flow cassette type cvta range indoor unit r410a
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SERVICE MANUAL
Round-way Smart Air Flow Cassette Type
CVTA
Range
English Manual
CVTA-025/022N-01M22
CVTA-035N-01M22
CVTA-050/045N-01M22
CVTA-070N-01M22
CVTA-110/090N-01M22
CVTA-160/140N-01M22
IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to
save this manual for future referenc
Indoor Unit
R410a
e.
22.AW.CVTA.022-160.R410A.SM.EN.12.9.Rev01

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Summary of Contents for Airwell CVTA-025/022N-01M22

  • Page 1 SERVICE MANUAL Round-way Smart Air Flow Cassette Type CVTA Range Indoor Unit R410a English Manual CVTA-025/022N-01M22 CVTA-035N-01M22 CVTA-050/045N-01M22 CVTA-070N-01M22 CVTA-110/090N-01M22 CVTA-160/140N-01M22 IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future referenc...
  • Page 2 1. Round-way Smart Air Flow Cassette Type Indoor Unit 1.1 Features CVTA-025/022N-01M22 CVTA-035N-01M22 CVTA-050/045N-01M22 CVTA-070N-01M22 CVTA-110/090N-01M22 CVTA-160/140N-01M22 ■ Unique round-way air outlet, no blind spot ■ Innovative 4 independent air flow control ■ 6 adjustable louver positions, 1296 air flow combinations ■...

  • Page 3: Specification

    1.2 Specification Model CVTA-022N-01M22 CVTA-025N-01M22 CVTA-035N-01M22 Power supply V-Ph-Hz 1/220~230/50/60 1/220~230/50/60 1/220~230/50/60 Capacity kBtu/h 12.3 Capacity Cooling Power input Current 0.15 0.15 0.15 Capacity kBtu/h 10.9 13.6 Capacity Power input Heating Current 0.15 0.15 0.15 Heating capacity at low temp. Operating current 0.15 0.15...
  • Page 4 Model CVTA-022N-01M22 CVTA-025N-01M22 CVTA-035N-01M22 Cabinet coating Galvanized Galvanized Galvanized type Cabinet salt spray Cabinet Hour test duration Control box IP class IP40 IP40 IP40 Sheet metal thickness Drain pan material Construction Drain pan insulation Drain pump option Standard 1200mm Standard 1200mm Standard 1200mm Branch outlet option Material...
  • Page 5 Model CVTA-045N-01M22 CVTA-050N-01M22 CVTA-070N-01M22 Power supply V-Ph-Hz 1/220~230/50/60 1/220~230/50/60 1/220~230/50/60 Capacity kBtu/h 15.3 19.1 24.2 Capacity Cooling Power input Current 0.15 0.15 0.25 Capacity kBtu/h 17.1 21.5 27.3 Capacity Power input Heating Current 0.15 0.15 0.25 Heating capacity at low temp. Operating current 0.15 0.15...
  • Page 6 Model CVTA-045N-01M22 CVTA-050N-01M22 CVTA-070N-01M22 Cabinet coating Galvanized Galvanized Galvanized type Cabinet salt spray Cabinet Hour test duration Control box IP class IP40 IP40 IP40 Sheet metal thickness Drain pan material Construction Drain pan insulation Drain pump option Standard 1200mm Standard 1200mm Standard 1200mm Branch outlet option Material...
  • Page 7 Model CVTA-090N-01M22 CVTA-110N-01M22 Power supply V-Ph-Hz 1/220~230/50/60 1/220~230/50/60 Capacity kBtu/h 30.7 38.2 Capacity 11.2 Cooling Power input Current 0.45 0.45 Capacity kBtu/h 34.1 42.6 Capacity 12.5 Power input Heating Current 0.45 0.45 Heating capacity at low temp. Operating current 0.45 0.45 Brand Broad ocean...
  • Page 8 Model CVTA-090N-01M22 CVTA-110N-01M22 Cabinet coating Galvanized Galvanized type Cabinet salt spray Cabinet Hour test duration Control box IP class IP40 IP40 Sheet metal thickness Drain pan material Construction Drain pan insulation Drain pump option Standard 1200mm Standard 1200mm Branch outlet option Material Hot zinc plate Hot zinc plate...
  • Page 9 Model CVTA-140N-01M22 CVTA-160N-01M22 Power supply V-Ph-Hz 1/220~230/50/60 1/220~230/50/60 Capacity kBtu/h 47.7 54.6 Capacity Cooling Power input Current 0.55 0.55 Capacity kBtu/h 54.6 61.2 Capacity Power input Heating Current 0.55 0.55 Heating capacity at low temp. Operating current 0.55 0.55 Brand Broad ocean Broad ocean Model...
  • Page 10 Model CVTA-140N-01M22 CVTA-160N-01M22 Cabinet coating Galvanized Galvanized type Cabinet salt spray Cabinet Hour test duration Control box IP class IP40 IP40 Sheet metal thickness Drain pan material Construction Drain pan insulation Drain pump option standard 1200mm standard 1200mm Branch outlet option Material Hot zinc plate Hot zinc plate...
  • Page 11 1.3 Dimension...

  • Page 12: Piping Diagram

    1.4 Piping diagram...

  • Page 13: Wiring Diagram

    1.5 Wiring diagram...

  • Page 14: Electric Characteristics

    1.6 Electric characteristics Units Power supply Indoor fan motor Power input (w) Volt. Output Model Phase Voltage Cooling Heating range CVTA-022N-01M22 50/60 198~242 0.39 1.24 0.31 CVTA-025N-01M22 50/60 198~242 0.39 1.24 0.31 CVTA-035N-01M22 50/60 198~242 0.39 1.24 0.31 CVTA-045N-01M22 50/60 198~242 0.39 1.24...
  • Page 15 1.7 Air flow and fan speed curve Air flow (m CVTA-022~050N-01M22 CVTA-070N-01M22 CVTA-110/090N-01M22 CVTA-160/140N-01M22 1. Strong speed 2. High speed 3. Medium speed 4. Low speed 5. Quiet...

  • Page 16: Sound Pressure Level

    1.8 Sound pressure level 1) Testing illustrate: 2) Testing condition: a: Unit running in the normal condition b: Test in the semi-anechoic chamber c: Noise level varies from the actual factors such as room structure, etc. CVTA-070N-01M22 CVTA-022~050N-01M22 Limit of Limit of audible audible...

  • Page 17: Installation

    1.9 Installation 1.9.1 Safety ■ If the air conditioner is transferred to a new user, this manual shall be transferred to the user, together with the conditioner. ■ Before installation, be sure to read Safety Considerations in this manual for proper installation. ■...
  • Page 18 ■ This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance.

  • Page 19: Daily Maintenance

    1.9.2 Maintenance ATTENTION ■ Repair can only be performed by professional personnel. ■ Before touching the connection line, all power supplies should be switched off. Only after switching off the power supply can the operator clean the air conditioner as to avoid electric shock or injury. ■...
  • Page 20 Installing air cleaner and air inlet grid: 1. Mounting the gauze: opposite to the ways of dismantling the gauze (as shown in Fig. 3 above). lock device 2. Mounting the air inlet grid: as shown in the right figure, nip the lock port locks on the grid as directed by arrows, put the side with the locks...
  • Page 21 1.9.3 Fault checkup Please check the following when consigning repair service: Symptoms Reasons Water flow sound can be heard when starting operation, during operation or immediately after stopping operation. When it starts to work for 2-3 Water flow sound minutes, the sound may become louder, which is the flowing sound of refrigerant or the draining sound of condensed water.
  • Page 22 1.9.4 Installation procedures The standard attached accessories of the units of this series refer to the packing list; prepare other accessories according to the requirements of the local installation point of our company. Indoor units should be installed in places with the environment of even circulation of cool and warm blows. The following places should be avoided.
  • Page 23 2. Location Relationship Among Ceiling Hole, Unit and Hoisting Studs 765 (spacing of hanging screw) 850 (indoor unit) 890 (ceiling opening) 950 (trim panel) Hanger bracket Model CVTA-022~050N-01M22 CVTA-070N-01M22 CVTA-110/090N-01M22 CVTA-160/140N-01M22 Trim panel Ceiling Distance between indoor Distance between indoor unit unit and ceiling ≤...
  • Page 24 4. Hoisting Stud Installation ■ To support the weight of the unit, use barb bolts in the situation with the ceiling. In the situation with the new ceiling, use inlaid bolts, embedded bolts or other parts provided on site. Before proceeding the installation, adjust the gap between the bolts and the ceiling.
  • Page 25 Installation Refrigerant pipe Housing (1) Confirming the position of unit hanger Indoor unit Please confirm the installation position of the hanger Drain pipe for indoor unit is about 130mm above the ceiling. For details, please refer to the Instructions for Installation and Maintenance of indoor unit.
  • Page 26 8) Installing the air-inlet grille. If the elevation level of the indoor unit and drain pipe Install the air-inlet grille with the steps opposite to that are not affected, you can adjust the height of the for removing. indoor unit through the corner pore on the trim panel. For reference Please keep the unit horizontal in the process of The method for removing angle trim panels when the...
  • Page 27 Piping Materials & Heat Insulating Materials Piping Hard PVC tube VP31.5mm As to prevent condensation, heat insulating treatment should be material (inner bore) performed. The heat insulating treatment for piping should be done Heat insulating Vesicant polythene thickness: respectively. material over 7mm Hose The attached hoses can be used to adjust the eccentricity and angle of the hard PVC tube.
  • Page 28 Tubing Permissible Length & Height Difference Please refer to the attached manual of outdoor units. Tubing Materials & Specifications Please refer to the attached manual of outdoor units. Model CVTA-025/022N-01M22 CVTA-035~50N-01M22 CVTA-070~160N-01M22 Gas pipe Ø9.52 Ø12.7 Ø15.88 Tubing size (mm) Liquid pipe Ø6.35...
  • Page 29 Connecting 1. Connecting circular terminals The connecting method of circular terminal is shown in the Fig. Take off the screw, connect it to the terminal tier after heading it through the ring at the end of the lead and then tighten it. Connecting circular terminals...
  • Page 30 1.9.5 Electrical wiring WARNING ■ Electrical construction should be made with specific mains circuit by the qualified personnel according to the installation instruction. Electric shock and fire may be caused if the capacity of power supply is not sufficient. ■ During arranging the wiring layout, specified cables should be used as the mains line, which accords with the local regulations on wiring.
  • Page 31 Signal Wiring Drawing Outdoor 1 Outdoor 2 Outdoor 3 Indoor 1 Indoor 2 Indoor 3 Indoor 4 Indoor 5 Outdoor units are of parallel connection via three lines with polarity. The master unit, central control and all indoor units are of parallel connection via two lines without polarity. The singal line between wired controller and indoor units are polarity There are three connecting ways between wired controller and indoor units: A.
  • Page 32 C. One wired controller controls multiple units 0151800227 PCB CN22 Note: 1. Plug the wired controller terminal to the CN22 terminal of master unit which wired address is 0, the slave unit also connects ABC terminal. 2. Wired address setting Wired control address Master unit in group control SW01_1...
  • Page 33 The wiring for the power line of indoor unit, the wiring between indoor and outdoor units as well as the wiring between indoor units: Items Cross sectional Rated Rated current of residual circuit Cross area of signal Line Length current of breaker (A) Total section...
  • Page 34 1.9.6 Test run Before Test Run ■ Before switching it on, test the supply terminal tier (L, N terminals) and grounding points with 500V megaohm meter and check if the resistance is above 1MΩ. It can't be operated if it is below 1MΩ. ■...
  • Page 35 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...

This manual is also suitable for:

Cvta-035n-01m22Cvta-050/045n-01m22Cvta-070n-01m22Cvta-110/090n-01m22Cvta-160/140n-01m22

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