Airwell 01M22 High Wall Type Indoor Unit Owner’s Manual

SERVICE MANUAL
High Wall Type Indoor Unit (N platform)
HVVA Range R410a
English Manual
HVVA-025/022N-01M22
HVVA-035N-01M22
HVVA-050/045N-01M22
HVVA-070N-01M22
HVVA-090N-01M22

IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.

High Wall Type Indoor Unit (N platform)

1.1 Feature

• Wider capacity range from 1.5kW to 9.0kW, meeting variable capacity needs.
• Built-in EEV and easy support clip, enabling easy installation
• DC fan motor for low sound level and higher efficiency
• Long distance and 3D air supplying,
• Quick cooling & heating

1.2 Specification

MODEL

| HVVA-022N-01M22|

HVVA-025N-01M22

---|---|---
Power supply| V-Ph-Hz| 1/220~240/50/60| 1/220~240/50/60

Cooling

| Capacity| kBtu/h| 7.5| 9.5
Capacity| kW| 2.2| 2.8
Power Input| W| 43| 43
Current| A| 0.15| 0.15

Heating

| Capacity| kBtu/h| 8.5| 10.9
Capacity| kW| 2.5| 3.2
Power Input| W| 43| 43
Current| A| 0.15| 0.15
Heating capacity at low temp.| kW| 2.0| 2.5
Operating current| A| 0.15| 0.15
Power consumption| kW| 0.043| 0.043

Indoor Motor

| Brand|  | Broad-ocean| Broad-ocean
Model|  | ZWK465A00402| ZWK465A00402
Type|  | DC| DC
Insulation Class|  | E| E
IP Class|  | IP41| IP41
Power Input| W| 38| 38
Power output| W| 30| 30
Capacitor| μF| /| /
Speed (High/Middle/Low)| rpm| 1000/850/700| 1000/850/700

Indoor Fan

| Brand|  | /| /
Type|  | Cross| Cross
Quantity|  | 1| 1

Indoor Coil

| a. Number of rows|  | 2| 2
b. Tube pitch(a)x row pitch(b)| mm| 26.61.4| 26.61.4
c. Fin spacing| mm| 1.4| 1.4
d. Fin type (code)|  | Hydrophilic aluminum| Hydrophilic aluminum
e. Tube outside dia. and type| mm| Ф7 Inner groove tube| Ф7 Inner groove tube
f. Coil length x height x width| mm| /| /
g. Number of circuits|  | 2| 2
 | HVVA-022N-01M22| HVVA-025N-01M22
---|---|---

Cabinet

| Cabinet Coating Type|  | Plastic| Plastic
Cabinet Salt Spray Test

Duration

| Hour| /| /
Control Box IP Class|  | IP20| IP20

Construction

| Sheet Metal Thickness|  | /| /
Drain Pan Material|  | ABS| ABS
Drain Pan Insulation|  | 15| 15
Drain Pump Option|  | no| no
Branch Outlet Option|  | yes| yes

Indoor Wall

| Material|  | Plastic| Plastic
Thickness| mm| /| /
Double or Single Skin|  | Single| Single

Air Filter

| Material|  | PP| PP
Mesh|  | 100| 100
Pressure Drop| Pa| 5| 5

Piping dimension

| Liquid pipe| mm| 6.35| 6.35
Gas pipe| mm| 9.52| 9.52
Drain hose| mm| 16.8| 16.8
Fresh air dimension| mm| /| /
Sound pressure level (H/M/L)| dB(A)| 35/31/29| 36/31/29
Sound power level (H/M/L)| dB(A)| 50/47/42| 52/48/44
Standard static pressure| Pa| 0| 0
Indoor air flow (H/M/L)| m3/h| 550/480/420| 600/530/470
Dimension (WHD)| mm| 855/208/280| 855/200/280
Packing (WHD)| mm| 954/279/355| 954/279/355
Net weight| kg| 9.9| 9.9
Gross weight| kg| 12| 12
Nominal condition: indoor temperature (cooling): 27DB (°C)/19WB (°C), indoor temperature (heating): 20DB (°C) Outdoor temperature (cooling): 35DB (°C)/24WB (°C), outdoor temperature (heating): 7DB (°C)/6WB (°C)
The noise level will be measured in the third octave band limited values, using a Real Time Analyser calibrated sound  intensity meter. It is a sound pressure noise level.

MODEL

| HVVA-035N-01M22| HVVA-045N-01M22|

HVVA-050N-01M22

---|---|---|---
Power supply| V-Ph-Hz| 1/220~240/50/60| 1/220~240/50/60| 1/220~240/50/60

Cooling

| Capacity| kBtu/h| 12.3| 15.3| 19.1
Capacity| kW| 3.6| 4.5| 5.6
Power Input| W| 43| 57| 57
Current| A| 0.15| 0.5| 0.5

Heating

| Capacity| kBtu/h| 13.6| 17.1| 21.5
Capacity| kW| 4| 5| 6.3
Power Input| W| 43| 57| 57
Current| A| 0.15| 0.5| 0.5
Heating capacity at low temp.| kW| 3.2| 4.0| 5.0
Operating current| A| 0.15| 0.5| 0.5
Power consumption| kW| 0.043| 0.057| 0.057

Indoor Motor

| Brand|  | Broad-ocean| Broad-ocean| Broad-ocean
Model|  | ZWK465A00402| ZWK465A00411| ZWK465A00411
Type|  | DC| DC| DC
Insulation Class|  | E| E| E
IP Class|  | IP41| IP40| IP40
Power Input| W| 38| 52| 52
Power output| W| 30| 40| 40
Capacitor| μF| /| /| /
Speed (High/Middle/Low)| rpm| 1200/1000/700| 1000/800/700| 1000/800/700

Indoor Fan

| Brand|  | /| /| /
Type|  | Cross| Cross| Cross
Quantity|  | 1| 1| 1

Indoor Coil

| a. Number of rows|  | 2| 2| 2
b. Tube pitch(a)x row pitch(b)| mm| 26.61.4| 26.61.4| 26.6*1.4
c. Fin spacing| mm| 1.4| 1.4| 1.4
d. Fin type (code)|  | Hydrophilic aluminum| Hydrophilic aluminum| Hydrophilic aluminum
e. Tube outside dia. and type| mm| Ф7 Inner groove tube| Ф7 Inner groove tube| Ф7 Inner groove tube
f. Coil length x height x width| mm| /| /| /
g. Number of circuits|  | 2| 5| 5

MODEL

| HVVA-035N-01M22| HVVA-045N-01M22|

HVVA-050N-01M22

---|---|---|---

Cabinet

| Cabinet Coating Type|  | Plastic| Plastic| Plastic
Cabinet Salt Spray Test

Duration

| Hour| /| /| /
Control Box IP Class|  | IP20| IP20| IP20

Construction

| Sheet Metal Thickness|  | /| /| /
Drain Pan Material|  | ABS| ABS| ABS
Drain Pan Insulation|  | 15| 15| 15
Drain Pump Option|  | no| no| no
Branch Outlet Option|  | yes| yes| yes

Indoor Wall

| Material|  | Plastic| Plastic| Plastic
Thickness| mm| /| /| /
Double or Single Skin|  | Single| Single| Single

Air Filter

| Material|  | PP| PP| PP
Mesh|  | 100| 100| 100
Pressure Drop| Pa| 5| 5| 5

Piping dimension

| Liquid pipe| mm| 6.35| 6.35| 6.35
Gas pipe| mm| 12.7| 12.7| 12.7
Drain hose| mm| 16.8| 16.8| 16.8
Fresh air dimension| mm| /| /| /
Sound pressure level (H/M/L)| dB(A)| 37/33/29| 39/36/34| 40/39/35
Sound power level (H/M/L)| dB(A)| 54/51/50| 56/53/51| 57/54/52
Standard static pressure| Pa| 0| 0| 0
Indoor air flow (H/M/L)| m3/h| 630/560/500| 800/720/650| 920/800/720
Dimension (WHD)| mm| 855/200/280| 1115/243/336| 1115/243/336
Packing (WHD)| mm| 954/279/355| 1206/342/418| 1206/342/418
Net weight| kg| 9.9| 15.8| 15.8
Gross weight| kg| 12| 18.9| 18.9
Nominal condition: indoor temperature (cooling): 27DB (°C)/19WB (°C), indoor temperature (heating): 20DB (°C) Outdoor temperature (cooling): 35DB (°C)/24WB (°C), outdoor temperature (heating): 7DB (°C)/6WB (°C)
The noise level will be measured in the third octave band limited values, using a Real Time Analyser calibrated sound  intensity meter. It is a sound pressure noise level.

MODEL

| HVVA-070N-01M22|

HVVA-090N-01M22

---|---|---
Power supply| V-Ph-Hz| 1/220~240/50/60| 1/220~240/50/60

Cooling

| Capacity| kBtu/h| 24.2| 30.7
Capacity| kW| 7.1| 9
Power Input| W| 57| 99
Current| A| 0.5| 0.59

Heating

| Capacity| kBtu/h| 27.3| 34.1
Capacity| kW| 8| 10
Power Input| W| 57| 99
Current| A| 0.5| 0.59
Heating capacity at low temp.| kW| 6.3| 8.0
Operating current| A| 0.5| 0.59
Power consumption| kW| 0.057| 0.099

Indoor Motor

| Brand|  | Broad-ocean| Broad-ocean
Model|  | ZWK465A00411| ZWK465B200014
Type|  | DC| DC
Insulation Class|  | E| E
IP Class|  | IP40| IP41
Power Input| W| 52| 94
Power output| W| 40| 70
Capacitor| μF| /| /
Speed (High/Middle/Low)| rpm| 1200/1000/700| 1250/900/700

Indoor Fan

| Brand|  | /| /
Type|  | Cross| Cross
Quantity|  | 1| 2

Indoor Coil

| a. Number of rows|  | 2| 2
b. Tube pitch(a)x row pitch(b)| mm| 26.61.4| 26.61.4
c. Fin spacing| mm| 1.4| 1.4
d. Fin type (code)|  | Hydrophilic aluminum| Hydrophilic aluminum
e. Tube outside dia. and type| mm| Ф7 Inner groove tube| Ф7 Inner groove tube
f. Coil length x height x width| mm| /| /
g. Number of circuits|  | 5| 6
MODEL| HVVA-070N-01M22| HVVA-090N-01M22
---|---|---

Cabinet

| Cabinet Coating Type|  | Plastic| Plastic
Cabinet Salt Spray Test

Duration

| Hour| /| /
Control Box IP Class|  | IP20| IP20

Construction

| Sheet Metal Thickness|  | /| /
Drain Pan Material|  | ABS| ABS
Drain Pan Insulation|  | 15| 15
Drain Pump Option|  | no| no
Branch Outlet Option|  | yes| yes

Indoor Wall

| Material|  | Plastic| Plastic
Thickness| mm| /| /
Double or Single Skin|  | Single| Single

Air Filter

| Material|  | PP| PP
Mesh|  | 100| 100
Pressure Drop| Pa| 5| 5

Piping dimension

| Liquid pipe| mm| 9.52| 9.52
Gas pipe| mm| 15.88| 15.88
Drain hose| mm| 16.8| 16.8
Fresh air dimension| mm| /| /
Sound pressure level (H/M/L)| dB(A)| 44/40/36| 49/44/41
Sound power level (H/M/L)| dB(A)| 58/56/54| 61/58/54
Standard static pressure| Pa| 0| 0
Indoor air flow (H/M/L)| m3/h| 1010/920/800| 1600/1500/1400
Dimension (WHD)| mm| 1115/243/336| 1316/270/365
Packing (WHD)| mm| 1206/342/418| 1403/384/463
Net weight| kg| 15.8| 21.8
Gross weight| kg| 18.9| 26.3
Nominal condition: indoor temperature (cooling): 27DB (°C)/19WB (°C), indoor temperature (heating): 20DB (°C) Outdoor temperature (cooling): 35DB (°C)/24WB (°C), outdoor temperature (heating): 7DB (°C)/6WB (°C)
The noise level will be measured in the third octave band limited values, using a Real Time Analyser calibrated sound  intensity meter. It is a sound pressure noise level.

1.3 Dimension

1.4 Piping diagram

1.5 Wiring diagram

1.6 Electric characteristics

Units

| Power supply| Indoor fan motor|

Power input (W)

---|---|---|---
Model| Phase| FQY| Voltage| Volt. range| MCA| MFA| Output (W)| FLA| Cooling| Heating
HVVA-022N-01M22| 1| 50/60| 220| 198~242| 0.18| 0.56| 30| 0.14| 43| 43
HVVA-025N-01M22| 1| 50/60| 220| 198~242| 0.18| 0.56| 30| 0.14| 43| 43
HVVA-035N-01M22| 1| 50/60| 220| 198~242| 0.18| 0.56| 30| 0.14| 43| 43
HVVA-045N-01M22| 1| 50/60| 220| 198~242| 0.24| 0.76| 40| 0.19| 57| 57
HVVA-050N-01M22| 1| 50/60| 220| 198~242| 0.24| 0.76| 40| 0.19| 57| 57
HVVA-070N-01M22| 1| 50/60| 220| 198~242| 0.24| 0.76| 40| 0.19| 57| 57
HVVA-090N-01M22| 1| 50/60| 220| 198~242| 0.4| 1.28| 70| 0.32| 99| 99

Symbols:
MCA: Min. circuit amps (A)
MFA: Max. fuse amps of circuit breaker Output: Fan motor rated output (w) FLA: Full load amps (A)
Notes:

1. Voltage range
   The units are applicable for the electrical systems where voltage supplied to unit is in the range.

2. Maximum allowable voltage unbalance between phases is 2%.

3. MCA=1.25FLA MFA≤4FLA.

4. Power supply uses the circuit breaker.

1.7 Air velocity and temperature distribution
a. Cooling / Air velocity distribution
Blowy angle: 25

b. Cooling / Temperature distribution Blowy angle: 25

1.8 Sound pressure level 1) Testing illustrate:

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.

Sound curves:

1.9 Installation
1.9.1 Parts and functions
Indoor Unit

Actual inlet grille and display board may vary from the one shown in the manual according to the product purchased.

Display board A

1. Signal receiver hole

2. Ambient temp.display
   When receiving the remote control signal, display the set temperature.

3. COOL display

4. HEAT display

5. HEALTH display

6. DRY display

Display board B
Remote signal receiver (A beeping sound is generated when a signal from remote controller is received.)
Power indicator (Lights up when unit starts.)
Timer mode indicator (Lights up when Timer operation is selected.)
Operation mode indicator (lights up when the compressor is on.)
*Ambient temp display
When receiving the remote control signal, display the set temperature.

1.9.2 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.
• The safety considerations stated below is divided into“ Warning” and “ Attention” The matters on severe accidents caused from wrong installation, which is likely to lead to death or serious injury, are listed in “ Warning”. However, the matters listed in “ Attention” are also likely causing the severe accidents. In general, both of them are the important items related to the security, which should be strictly abided by.
• After the installation, perform test run to make sure everything is in normal conditions, and then operate and maintain the air conditioner in accordance with the User Manual. The User Manual should be delivered to the user for  proper keeping.

Warning

• Please ask the special maintenance station for installation and repair. Water leakage, electric shocks or fire accidents might be caused from improper installation if you conduct the installation by your own.
• The installation should be conducted properly according to this manual. Water leakage, electric shocks or fire accidents might be caused from improper installation.
• Please make sure to install the air conditioner on the place where can bear the weight of the air conditioner. The air conditioner can’t be installed on the grids such as the non-special metal burglar-proof net. The place with insufficient support strength might cause the dropdown of the machine, which may lead to personal injuries.
• The installation should be ensured against typhoons and earthquakes, etc. The installation unconformable to the requirements will lead to accidents due to the turnover of the machine.
• Specific cables should be used for reliable connections of the wirings. Please fix the terminal connections reliably to avoid the outside force applied on the cables from being impressed on the cables. Improper connections and fixings might lead to such accidents as heating or fire accidents.
• Correct shapes of wirings should be kept while the embossed shape is not allowed. The wirings should be reliably connected to avoid the cover and the plate of the electrical cabinet lapping the wiring. Improper installation might cause such accidents as heating or fire accidents.
• While placing or reinstalling the air conditioner, except the specific refrigerant (R410A), don’t let the air go into the refrigeration cycle system. The air in the refrigeration cycle system might lead to the cracking or personal injuries due to abnormal high pressure of the refrigeration cycle system.
• During installation, please use the accompanied spare parts or specific parts. If not, water leakage, electric shocks, fire accidents or refrigerant leakage might be caused.
• Don’t drain the water from the drainpipe to the waterspout where may exist harmful gases such as sulfureted gas to avoid the harmful gases entering into the room.
• During installation, if refrigerant leakage occurs, ventilation measures should be taken, for the refrigerant gas might generate harmful gases upon contacting the flame.
• After installation, check if any refrigerant leakage exists. If the refrigerant gas leaks in the room, such things as air blowing heaters and stoves, etc. may generate harmful gases.
• Don’t install the air conditioner at the places where the flammable gases may leak. In case the gas leakage occurs around the machine, such accidents as fire disasters may be caused.
• The drainpipe should be properly mounted according to this manual as to ensure the smooth drainage. In addition, heat preservation should be taken to avoid condensation. Improper drainpipe mounting might cause water leakage, which will get the articles at home wet.
• The refrigerant gas pipe and liquid pipe should be heat insulated to preserve heat. For inappropriate heat insulation, the water caused from the condensation will drop to get the article at home wet.

Warning

• The air conditioner should be effectively grounded. Electric shocks may occur if the air conditioner is ungrounded or inappropriately grounded. The wire for earthing shouldn’t be connected to the connections on the gas pipe, water  pipe, lightning rod or telephone.
• The breaker for electricity leakage should be mounted. If not, accidents such as electric shocks may happen.
• The installed air conditioner should be checked for electricity leakage by being powered.
• when the water discharge hole be blocked or the filter becomes dirty, there maybe leads to condensing water drop down, and at the same time there maybe some drops of water spit out.
• In case of ambient dew point temperature greater than 28 degrees Celsius or humidity greater than 80%, there maybe cause condensation drops or blow out, electrical or moisture sensitive items shouldn’t be put below.

Items with this warning sign concerning the product’s safety and the personal security must be performed strictly.
Items with this forbidding sign refer to absolutely forbidden behaviors. If not, they may cause machine damage or endanger operator’s personal safety.

Clean the filter regularly.
Cooling or heating performance will be degraded if the filter is blocked, resulting in large power consumption, failure, and water dripping at freezing.

Don’t touch the outlet while the flap is moving. Don’t put anything in the grid in case danger may occur.

Avoid cold wind from blowing out.
During heating running, the fan of indoor units will not rotate immediately as to prevent cold wind from blowing out.

Changing Wind Speeds:
In the state of refrigerating, with automatic blowing mode, the wind speed automatically decreases when the room temperature approaches the setting.
In the state of heating, when the room temperature reaches the setting temperature the compressor stops working and the fan turns to low wind or stops. Wind speed changes automatically in the dehumidifying mode.

Regulating Wind Direction:
It is recommended not to make the wind deflector downwards for a long time to avoid condensation at air outlet port during refrigerating or dehumidifying.
Water dropping might appear at the air outlet port in refrigerating or dehumidifying mode.

Defrosting:
During heating running, the air conditioner would defrost automatically if there is frost on heat exchanger of outdoor units.
Do not rotate fans of both indoor units and outdoor units during defrosting.
After finishing defrosting, the air conditioner willresume running automatically.
The machine operation must be controlled by the control.

Hints:
As air conditioners absorb heat from the environment and release it to the room, heating effects will be influenced by the temperature in and out of the room.

Attention

• It is not allowed to put any heating apparatus under the indoor units, for the heat may cause distortion of the units.

• Pay attention to the aeration condition to avoid anoxic symptom.

• Flammable apparatus should not be placed in the place where the air conditioner wind could reach directly, or incomplete burning of the apparatus may be caused.

• Check the mount table of the air conditioner for damage for a long period of operation.

• If placed on the damaged table, the unit may drop down causing damage.

• Plants and animals should not be put to the place where wind of the air conditioner blows directly, otherwise damage to them may be caused.

• It cannot be used for the preservation of food, living creature, precise instrument and artworks, etc, otherwise damage may occur.

• Use the fuse with proper capacity.

• Metal wires and copper wires, etc., may cause fire or other faults.

• Do not use water heater or like next to the indoor unit and the wired controller. Water/ power leakage or short circuit may happen if the steam generating apparatus is working next to machine.

• Defrosting during heating

• To improve the heating effect, the outdoor unit will perform defrosting automatically when frost appears on the outdoor unit during heating (approximately 2-10 min).

• During defrosting, the fan of the indoor unit runs at a low speed or stops while that of the outdoor unit stops running.

• Power should be cut off when the air conditioner is left unused for a long period.

• Power will be consumed if the air conditioner is not powered off. The power switch of the outdoor unit switch should be powered on 12 hours in advance before operation to protect the unit after a long period of storage.

• 3-minute protection

• To protect the unit, compressor can be actuated with at least 3-minute delay after stopping.

• Close the window to avoid outdoor air getting in.

• Curtains or window shutters can be put down to avoid the sunshine.

• Do not touch the switch with the wet hand to avoid power shock.

• Stop running and switch off the manual power switch when cleaning the unit.

• During the operation of the control unit, don’t switch off the manual power switch and the controller can be used. Please do not press the liquid crystal zone of controller to prevent damage

• Cleaning the unit with water may cause electric shock.

• Do not put flammable spray close to the air conditioner.

• Don’t inject flammable spray towards the air conditioner, which may cause fire.

• Stopping fan rotation

• The unit which stops operating will actuate the fan for a 2-8 min swing every 30-60 minutes for protecting the unit while other indoor unit are in the operating state.

• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

1.9.3 Emergency running & Test operation
Emergency Running & Test operation:

• Emergency running will help air conditioner operate automatically if your remote control is missing or out of work.
• Test operation is recommended when room temperature is below 16°C but not in normal condition.

Emergency Running
It is recommended to use only when the remote control is missing or damaged.
Startup
A warning tone could be heard after turning on the Emergency Running switch, which means that the emergency running gets started.

• Air conditioner operates automatically according to the working modes blow:

Temperature setting values and wind speed cannot be changed in the mode of emergency running. Meanwhile, dehumidification and timing operation cannot be operated simultaneously.

• Shutdown (canceling the emergency running)
  All the indicator lamps on the conditioner extinguish after pressing the emergency running switch and hearing the warning tone.

• Canceling the emergency running with the remote controller
  A warning tone is heard after pressing the ON/OFF button on remote controller. The air conditioner works according to the indication of operating state on the remote controller.

Test Operation
It is recommended when the room temperature is below 16°C but not in normal condition.
Startup
Press it for over 5 seconds till 2 warning tones are heard and then release your finger to start the test operation. The air conditioner is operating at high wind speed. The test operation lasts for 30 minutes before the air conditioner stops  automatically.
Shutdown (canceling the test operation)
The warning tones are followed after pressing the test operation switch.
Canceling the test operation with the remote controller
The warning tone could be heard after pressing the switch on remote controller.
The air conditioner works according to the indication of operating state on the remote controller.

1.9.4 Maintenance

• Only when the air cleaner is switched off and disconnected to the power supply can it be cleaned, or electric shock and injury may appear.

Cleaning Air Cleaner:

Attention

• Don’t rinse the air cleaner with hot water of above 50°C to avoid fading and distorting.
• Don’t put the air cleaner on the fire to dry to avoid catching fire.
• Wipe dust with water or dust collector.
  (A) Wipe dust with dust collector.
  (B) Clean it with soft bush in mild detergent if there is too much dust on it
  Throw off the water and airing it in the cool dry condition.

Maintenance before and after Operating Season
Before Operating Season:

1. Please make the following checkup. If abnormal condition occurs, consult the after-service personnel.
   There is no blockage in inlet port and outlet port of outdoor and indoor units.
   The ground line and the wiring are in the proper state

2. After cleaning, the air cleaner must be mounted.

3. Switch on to the power.

After Operating Season:

1. In sunny days, blowing operation can be performed for half a day to make the inside of machine dry.
2. Electrical power should be cut down to economize electricity, or the machine will still consume power. Air cleaner and shell must be mounted after cleaning.

Clean the machine (Cleaning ways are approximately same, taking AS182MNERA indoor machine as example).
Turn off the air conditioner before cleaning. Do not touch the machine if the hands are wet. Neither hot water nor solvent should be used in cleaning.
Replacement of Air Purifying Filter

1. Open the inlet grille
   Prop up the inlet grille by using a small device named grille-support which located in the right side of the indoor unit.

2. Detach the standard air filter
   Slide the knob slightly upward to release the filter, then withdraw it.

3. Attach Air Purifying Filter
   Put air purifying filter appliances into the right and left filter frames.

4. Attach the standard air filter (Necessary installation)
   ATTENTION:
   The white side of the photo catalyst air purifying filter face outside, and the black side face the unit The green side of the bacteria-killing medium air purifying filter face outside, and the white side face the unit.

5. Close the inlet grille
   Close the Grille surely

NOTE:

• The photo catalyst air purifying filter will be polarized in fixed time. In normal family, it will be polarized every 6 months.
• The bacteria-killing medium air purifying filter will be used for a long time, no need for replacement. But in the period of using them, you should remove the dust frequently by using vacuum cleaner or flaping them lightly,  otherwise, its performance will be affected.
• Please keep the bacteria-killing medium air purifying filter in the cool and dry conditions avoid long time directly sunshine when you stop using it, or its ability of sterilization will be reduced.

1.9.5 Fault checkup
Please check the following when consigning repair service:

 |

Symptoms

|

Reasons

---|---|---
All these are not problems| •   Water flow sound| Water flow sound can be heard when starting operation, during operation or immediately after stopping operation. When it starts to work for 2-3 minutes, the sound may become louder, which is the flowing sound of refrigerant or the draining sound of condensed water.
•   Cracking sound| During operation, the air conditioner may make the cracking sound, which is caused from the temperature changes or the slight dilation of heat exchanger.
•   Terrible smell in outlet
•   air| The terrible smell, caused from walls, carpet, furniture, clothing, cigarette and cosmetics, attaches on the conditioner.
•   Flashing operating indicator| When switching it on again after power failure, turn on the manual

power switch and the operating indicator flashes.

•   Awaiting indication| It displays the awaiting indication as it fails to perform refrigerating operation while other indoor units are in heating operation.

When the operator set it to the refrigerating or heating mode and the operation is opposite to the setting, it displays the awaiting indication.

•   Sound in shutdown indoor unit or white steam or cold air| To prevent oil and refrigerant from blocking the shutdown indoor units, refrigerant flows in the short time and make the sounds of refrigerant flowing. Otherwise, when other indoor units performs heating operation, white steam may occur; during refrigerating operation, cold air may appear.
•   Clicking sound when switching the air condition on| When the conditioner is powered on, the sound is made due to the resetting of the expansion valve.

Please make another check.

| •   Start or stop working automatically| Check if it is in the state of Timer-ON and Timer-OFF.
•   Failure to work| Check if there is a power failure.
Check if the manual power switch is turned off.
Check if the supply fuse and breaker are disconnected. Check if the protective unit is working.
Check if refrigerating and heating functions are selected simultaneously with the awaiting indication on line control.
•   Bad cooling & heating effects| Check if air intake port and air outlet port of outdoor units are blocked.
Check if the door and windows are open.
Check if the filtering screen of air cleaner is blocked with sludge or dust.
Check if the setting of wind quantity is at low wind.
Check if the setting of operation is at the Fan Operation state. Check if the temperature setting is proper.

• When buttons are inflexible actuated;
• When fuse and breaker have been burnt over and over;
• When there are foreign objects and water in the refrigerator;
• When it cannot still be operated after removing the operation of protective unit;
• When other abnormal conditions occur.

1.9.6 Installation procedures
This manual cannot completely illustrate all the properties of the products you bought. Please contact the local Airwell distribution center if you have any question or request.
Please use the standard tool according to the installation requirements.
The standard attached accessories of the units of this series refer to the packing; prepare other accessories according to the requirements of the local installation point of our company.

1. Choose the suitable installation location. Indoor units should be installed in places with the environment of even circulation of cool and warm blows. The following places should be avoided.
   Places with high salinity (beach), high sulfureted gas(such as the thermal spring regions where copper tubes and soft soldering are easy to be eroded), much oil(including mechanical oil) and steam; places where organic substance solvent is frequently used; places where machines generate the high frequency electromagnetic wave (abnormal condition will appear in the control system); places where there is high humidity exists near the door  or windows (dew is easily formed); and places where the special sprayer is frequently used.
   Indoor Units
   (1) The distance between wind outlet port and the ground should not be more than 2.7m. The distance to streets should not be less than 2.5m.
   (2) Select appropriate places for installation where the outlet air can be spread to places all over the house and arrange proper locations for connecting pipes and lines as well as the drainpipe to the outdoor.
   (3) Ceiling construction must be hard enough to hold the weight of the unit.
   (4) Make sure that the connecting pipe, drainpipe and connecting guide line can be put into walls to connect the outdoor units.
   (5) It is recommended to make the connecting pipe between the outdoor and indoor units and the drainpipe are as short as possible.
   (6) Please read the attached installation instruction of outdoor units for regulation of filling amount of refrigerant if necessary.
   (7) Select a place close to the supply socket of air conditioner and enough space should be kept near the machine.
   (8) Those electrical appliances such as television, instruments, devices, artwork, piano, wireless equipment and other valuables should not be placed under the indoor unit and over 1m away from the daylight lamp as to prevent condensate from dropping into them and causing damage.
   2. The following steps can be taken after selecting the installation place:
   Cut a hole on the wall and put the connecting pipe and connecting thread into the PVC, which is purchased at the local shop. With a slight downwards tilt towards the exterior, the gradient should be kept at least 1/100. before cutting the hole, check if there are pipes or reinforcing steel bars at the rear of the hole. Making the hole in the
   place with wires or pipes should be avoided.

Installation Drawing of Indoor Units:

1. Positioning Wall Pad & Locating Wall Holes
   Fix the pad according to the installation location and the pipe layout of indoor unit (please refer to the installation drawing).
   Installation should be done under the crossbeam or on the flat wall near the pillar. First fix the pad with a steel nail on the wall.
   Drop a thread with a bolt through the pad center or use a level meter to find the level.
   Then fix it with a concrete steel nail, and measure the position of the wall hole A.

Lead the connection tubing(liquid pipe and gas pipe) through the hole into the wall, or connect piping and wiring of indoor unit(check the number of wiring terminals of indoor and outdoor units and connect terminals with the same number and color), and then put the connection tubing and the connecting line through from the inside wall for the connection with outdoor unit.

The operation for changing the direction of drain pipe
The N high wall indoor units are right side drainage when out of factory, but you can change it to left side drainage

Opertion method as follows:
Step 1: Remove the screw that secures the right side drain pipe, then unplug the drain pipe

Step 2: Unplug the rubber plug on the drain hole on the left side of the unit

Step 3: Install the drain pipe removed from the right side onto the drain hole of the left side, fixed with the screw

Note:
For the HVVA-022~035N-01M22 indoor units the middle of the left drain is unblocked, can install the drain pipe directly.

But for HVVA-070/050/045N-01M22 and HVVA-090N-01M22 indoor untis the middle of the left drain is blocked, so first need to knock off the middle of the blocking piece and take it out to avoid noise when the unit is running. Then install the drain pipe.

Step 4: Install the rubber plug on the left drain hole to the right drain hole to prevent water leakage.

Fitting of the Mounting Plate and Positioning of the wall Hole
When the mounting plate is first fixed

1. Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail.
2. Make sure once more the proper level of the plate, by hanging a thread with a weight from the central top of the plate, then fasten securely the plate with the attachment steel nail.
3. Find the wall hole location A using a measuring tape.

Pay attention to the following points before installation of machine:

1. Take out cushion blocks on the left and right angle beads as shown in the following Figure.

2. Remove 2 gaskets under the cross-flow fan. (used for HVVA-045~070N-01M22)

3. Clean the burr on the surface of fracture to avoid the power wire from being scratched after removing the virtual opening of the outgoing line slot on the case by hands in indoor power-on process.

When the mounting plate is fixed side bar and lintel
Fix to side bar and lintel a mounting bar, which is separately sold, and then fasten the plate to the fixed mounting bar.
Refer to the previous article, “When the mounting plate is first fixed” for the position of wall hole.
Tubing Permissible Length & Height Difference
Please refer to the attached manual of outdoor units.
Tubing Materials & Specifications

Connecting Procedures of Refrigerant Tubing
Proceed the flare tube connecting operation to connect all the refrigerant tubes.

• Dual wrenches must be used in the connection of indoor unit tubing.
• Mounting torque refers to the right table

Outer Diameter of Tubing (mm)| Mounting Torque (N-m)| Increase mounting
Torque (N-m)
---|---|---
φ6.35| 11.8(1.2kgf-m)| 13.7(1.4kgf-m)
φ9.52| 24.5(2.5kgf-m)| 29.4(3.0kgf-m)
φ12.70| 49.0(5.0kgf-m)| 53.9(5.5kgf-m)
φ15.88| 78.4(8.0kgf-m)| 98.0(10.0kgf-m)
φ19.05| 98.0(10.0kgf-m)| 117.7(12.0kgf-m)

Cutting and Enlarging
Cutting or enlarging pipes should be proceeded by installation personnel according to the operating criterion if the tube is too long or flare opening is broken.
Vacuolizing
Vacuolize from the stop valve of outdoor units with vacuum pump. Refrigerant sealed in indoor  machine is not allowed to use for vacuolization.
Open All Valves
Open all the valves of outdoor units. [NB: oil balancing stop valve must be shut up completely when connected one main unit.] Checkup for Air Leakage
Check if there is any leakage at the connecting part and bonnet with hydrophone or soapsuds.

Installing and Dismantling Indoor Unit

1. Installation
   During the installation of this series machines, fasten the wall pad on the wall first, hang the machine on the pothook, push it towards the wall pad until the sound of ‘pa’ ‘pa’ is heard. At this time, the agraffes of the indoor unit have  hitched on the pad, as shown in the
   Fig.1 with dotted line.

2. Dismantling
   During dismantling this series machines, push agraffes at the bottom of indoor unit upwards to release them, as shown in Fig.3, and pull up the bottom of indoor unit outwards gently and then raise the unit upwards in the bevel direction to release the pothook at the upper part of the wall pad, as shown in Fig.3.

Warning

• Only copper wire can be used. Breaker for electric leakage should be provided, or electric shock may occur.

• The wiring of the mains line is of Y type. The power plug L should be connected to the live wire and plug N connected to null wire while should be connected to the ground wire. For the type with auxiliary electrically heating  function, the live wire and the null wire should not be misconnected, or the surface of electrical heating body will be electrified. If the power line is damaged, replace it by the professional personnel of the manufacturer or service  center.

• The power line of indoor units should be arranged according to the installation instruction of indoor units.

• The electrical wiring should be out of contact with the high-temperature sections of tubing as to avoid melting the insulating layer of cables, which may cause accidents.

• After connected to the terminal tier, the tubing should be curved into be a U-type elbow and fastened with the pressing clip.
  • Controller wiring and refrigerant tubing can be arranged and fixed together.
  • The machine can’t be powered on before electrical operation. Maintenance should be done while the power is shut down.
  • Seal the thread hole with heat insulating materials to avoid condensation.
  • Signal line and power line are separately independent, which can’t share one line. [Note: the power line, signal line are provided by users. Parameters for power lines are shown as below: 3(1.0-1.5) mm; parameters for signal line: 2(0.75-1.25)mm 2 (shielded line)]

•  5 butt lines (1.5mm) are equipped in the machine before delivery, which are used in connection between the valve box and the electrical system of the machine. The detailed connection is displayed in the circuit diagram.

• Indoor units and outdoor units should be connected to the power source separately. Indoor units must share one single electrical source, but its capacity and specifications should be calculated. Indoor & outdoor units should be – equipped with the power leakage breaker and the overflow breaker.
Signal Wiring Drawing

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. One wired controller controls one indoor unit, the wired controller connects with the ABC terminal of indoor unit.

B. Two wired controllers control one indoor unit. Either of the wired controls can be set to be the master wired controller while the other is set to be the slave wired controller.

Master and slave controller setting method for RWV05, other controllers’ setting method please refer to the controller manual

C. One wired controller controls multiple units
0151800244B PCB

WARNING :
The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details.

AIRWELL RESIDENTIAL SAS
10,Rue du Fort de Saint Cyr,
78180 Montigny le Bretonneux – France
www.airwell.com

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