Alpic Air AWI-20HW1D User manual

Thank you for choosing Commercial or Household Air Conditioners.
Please read this owner’s manual carefully before operation and retain it for future
reference.
Fan Coil Unit Wall Mounted Type
Commercial or Household Air Conditioners
Owner's Manual(Original instructions)
Model:
AWI-20HW1D
AWI-25HW1D
AWI-36HW1D
AWI-42HW1D

User Notice
This appliance is intended to be used by expert or trained users in shops, in light industry and
on farms, or for commercial or household use by lay persons.
Installing the unit in the following places may cause malfunction. If it is unavoidable,please
consult the local dealer:
①
The place with strong heat sources,vapors, ammable or explosive gas,or volatile objects
spread in the air.
②
The place with high-frequency devices (such as welding machine,medical equipment).
③
The place near coast area.
④
The place with oil or fumes in the air.
⑤
The place with sulfureted gas.
⑥
Other places with special circumstances.
⑦
Do not use the unit in the immediate surroundings of a laundry, a bath, a shower or a
swimming pool.
DISPOSAL: This marking indicates that this product should not be disposed
with other household wastes throughout the EU. To prevent possible harm to the
environment or human health from uncontrolled waste disposal, recycle it responsibly
to promote the sustainable reuse of material resources. To return your used device,
please use the return and collection systems or contact the retailer where the product
was purchased. They can take this product for environmental safe recycling.
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. Cleaning
and user maintenance shall not be made by children without
supervision.

Contents
1. Notices for operation ........................................................................1
2. Name and function of each part .......................................................3
3. Operation Range ..............................................................................3
4. Additional function ...........................................................................4
5. Care and Cleaning............................................................................4
6. Troubleshooting ................................................................................5
7. Notices for installation ......................................................................7
8. Installation dimension diagram.........................................................9
9. Install the unit .................................................................................10
10. Install the connection pipe............................................................ 11
11. External water pipe connection sketch .........................................12
12. Check after installation and test operation ...................................13

Fan Coil Unit Wall Mounted Type
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1. Notices for operation
★When the voltage is very
high, the components would be
easily damaged, when the voltage
is very low, the electric components
cannot work.
★Be sure to pull out the
power plug as the FCU not in
use for a long time. Otherwise,
the accumulated dusts that may
cause over heating or re.
★Never splice the power
cord or use an extended cord.
It can cause overheating or re.
★Don’ t leave windows and
doors open for a long time while
operating the FCU. It can decrease
the FCU capacity.
★Don't block the air intake
of the FCU.
It can decrease the FCU
capacity or cause a malfunction.
★The power supply must
adopt the special circuit that with
air switch protection and assure
it has enough capacity. The unit
will be turned on or off according
to your requirement automatically,
please do not turn on or turn off
the unit frequently, other-wise
disadvantage effect may be
caused to the unit.
★When having a burning
smell or smoke, please turn off the
power supply and contact with the
service center.
If the abnormity still exists,the unit
may be damaged, and may cause
electric shock or re.
★Keep combustilble spray
away from the units more than
1.5m.
It can cause a re or explosion
★Don’t attempt to repair the
air conditioner by yourself.
The wrong repair will lead to
an electric shock or fire, so you
should contact the service center
to repair.

Fan Coil Unit Wall Mounted Type
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★Please don't cut off or damage the power
cords and control cords. If they are damaged,
please ask the qualified personnel to change
them.
★To adjust the airow direction appropriately.
When operating the unit, to adjust the vertical and
lateral airow direction by use of remote controller.
Swing louver Guide louver
★Don’t insert your hands or stick into the
air intake or outlet vents.
★Don’t blow the wind to animals and plants
directly. It can cause a bad inuence to them.
★Don’t apply the cold wind to the body for
a long time.It can cause the health problems.
★Don’t use the FCU for other purposes, such
as drying clothes, preserving foods, etc.
★Splashing water on the FCU can cause
an electric shock and malfunction.
★Don’t place a space heater near the FCU.

Fan Coil Unit Wall Mounted Type
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2. Name and function of each part
Fig. 1
3.Operation Range
(1) The operation pressure of the unit is no more than 1.6MPa. The entering water temperature
for cooling shall be not lower than 5°C, otherwise condensate would be caused on the unit. The
entering water temperature for heating shall be not more than 70°C (normally 50°C), otherwise the
FCU would be damaged.
(2) The ambient temperature range for cooling is 16-40°C and 10-35°C for heating. The relative
humidity is equal or less than 95%.
(3) It is a kind of comfort air conditioning unit, not applicable to be used under the locations with
special requirements on corrosive, inammable gas or heavy smog (like, kitchen), otherwise, the
unit would fail to run properly or its service life would be shortened.

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4. Additional function
4.1 Anti-cool-wind function
In order to ensure comfort of the users, under circumstances such as the heat mode just starts
or the unit runs heat mode under low water temperature, the fan will stop running to prevent the
chilled wind blowing out.
4.2 Anti-heat-wind function
In order to ensure comfort of the users, under circumstances such as the cool mode just starts
or the unit runs cool mode under hot water temperature, the fan will stop running to prevent the hot
wind blowing out.
4.3 Emergency Operation
When the wireless remote control is lost or damaged,
please use the AUTO button. At this time, sketch map for
changing batteries cassette type fan coil unit 9 the unit will
operated as follow:
(1)At operation: When the unit stop , pressed AUTO
button over 5 seconds,the unit run.
(2)At stopping: When the unit is running, pressed AUTO
button and overrun 5 seconds,the unit stop.
(3)When the unit is running, pressed AUTO button less
than 5 seconds. The unit select from COOL, DRY, FAN, HEAT,COOL modes automatically.
Open the front panel, the manual switch is on the edge as Fig.2.
5. Care and Cleaning
Caution
(1) Turn power off and pull out the power plug before cleaning air conditioner, or it may cause
electric shock.
(2) Never sprinkle water on the unit for cleaning because it can cause an electric shock.
(3) Volatile liquid (e.g. thinner or gasoline) will damage the air conditioner. (So wipe the units
with a dry soft cloth, or a cloth slightly moistened with water or cleanser.)
Fig.3
5.1 Clean the front panel
When cleaning the front panel, please dip the cloth into the water
temperature of 45℃ below, then to dry the cloth and wipe the dirty part.
5.2 Clean the air lter (Recommended once every three
months)
Note: If dust is much more around the air conditioner, the air lters
should be cleaned many times. After taking off the lter, don't touch the
n of the unit, in order to avoid hurt your ngers.
●Take down the air lter
At the slot of surface panel to open an angle, pull the air filter
downward and take it out, please see the Fig. 3(a, b).
Manual switch
Fig.2

Fan Coil Unit Wall Mounted Type
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Fig.4
Fig.5
●Clean the air lter
To clean the dust adhering to the filters, you can either use a
vacuum cleaner, or wash them with warm water the water with the
neutral detergent (below 45℃) , and dry it in the shade.
Note: Never use water above 45 to clean, or it can cause
deformation or discoloration. Never parch it by re, or can cause a re
or deformation.
●Reinstall the air lter
Reinsert the lters along the direction of arrowhead, and then to
cover the cover and clasp it.
5.3 Clean and care
5.3.1 Check before use
(1) Be sure that nothing obstructs the air outlet and intake vents.
(2) Check that whether ground wire is properly connected or not.
5.3.2 Maintain after use
(1) Turn main power off.
(2) Clean the lter and the FCU.
6. Troubleshooting
CAUTION:The FCU is not expected to be serviced by users. Incorrect repair may cause
electric shock or re, so please contact an authorized service center for professional service. The
following checks prior to contact may save your time and money.
Phenomenon Troubleshooting
The unit does not operate:
●Blow of fuse or breaker
●Power cut
●Don’t connect with power
●Low batteries of wireless remote controller
●Wireless remote controller exceed remote
control area
Odours are emitted:
●Some odours may be emitted from the FCU.
This is the result of room smells (such as furniture,
tobacco, ect.) which have been taken into the FCU.
●Consult authorized service center for
cleaning if the odours still exist.
Mist is emitted in COOL mode
●During cooling operation, a thin mist may
be seen emitted from the FCU due to high room
temperature and humidity.After a period of time,
the mist will disappear with the decrease of room
temperature and humidity.

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Cracking noise:
●This is the sound of friction caused by
expansion and/or contraction of panel or other parts
due to the change of temperature.
The unit can not be started up:
Breaking off
●Is the power cut off?
●Is the power plug loose? (If applicable )
●Is the circuit protection device tripped off?
●Is voltage higher or lower?(Tested by
professionals)
●Is the TIMER correctly used?
Cooling/Heating effect is poor:
●Is temperature setting appropriate?
●Is the inlet or outlet blocked?
●Is the lter dirty?
●Is the window or the door open?
●Is low fan speed set?
●Are there heat sources in the room?
Remote controller is not available:
●Check if there is magnetic or electrical
interference near the unit that may affecting
operation of the controller. In this case, pull the plug
out and reinsert it.
●Is the remote controller within its operating
range or obstructed? Check the condition of the
batteries and replace them if necessary.
●Check if the remote controller is damaged.
Water leakage of FCU.
●The humidity is high.
●Condensate overows.
●Drain hose is loose.
Noise from FCU.
●The noise emitted when the fan is switching
on or off.
FCU can not blow air:
●In HEAT mode, when the temperature of
FCU heat exchanger is very low, air ow is stopped
in order to prevent cold air.
●In COOL mode, when the temperature
of FCU heat exchanger is very high, air flow is
stopped in order to prevent hot air.
Moisture on air outlet :
●If the unit operates at high humidity for a long
time, moisture will be generated onthe air outlet grill
and then drip off.
C5:Malfunction of connector jumper:
●Check if the connector jumper contacts
properly. If the PCB is to be replaced, please take
off the old for the new PCB.

Fan Coil Unit Wall Mounted Type
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F0:Malfunction of the ambient temperature
sensor
●Check if the room temperature sensor is
connected properly
F1:Malfunction of evaporator temperature
sensor
●Check if the evaporator temperature is
connected properly.
If any one of the following situations occurs, immediately stop all operations,cut off the power
supply, and contact the authorized personnel.
●There is harsh sound during operation.
●Strong odours are emitted during operation.
●Water is leaking from the unit.
●The air switch or protection switch often trips.
●Water or other liquid is splashed into the unit.
●Power cord and power plug is overheating.
Stop operation and
cut off the power supply.
7. Notices for installation
(1) The unit should be installed only by authorized service center according to local or
government regulations and in compliance with this manual.
(2) Before installing, please contact with local authorized maintenance center. If the unit is not
installed by the authorized service center, the malfunction may not be solved due to incovenient
contact between the user and the service personnel.
(3) When removing the unit to the other place, please rstly contact with the local authorized
service center.
(4) Before obtaining access to terminals, all supply circuits must be disconnected.
(5) If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualied persons in order to avoid a hazard.
(6) The appliance must be positioned so that the plug is accessible.
(7) Warning:Disconnect the power supply during service and when replacing parts. If that
the removal of the plug is foreseen,check the unit with a electroprobe to ensure the plug remains
removed .If this is not possible,turn off the supply circuits.
7.1 Installation Site Instructions
Proper installation site is vital for correct and efcient operation of the unit. Avoid the following
sites where:
(1) strong heat sources, vapours, ammable gas or volatile liquids are emitted.
(2) high-frequency electro-magnetic waves are generated by radio equipment, welders and
medical equipment.
(3) salt-laden air prevails (such as close to coastal areas).
(4) the air is contaminated with industrial vapours and oils. the air contains sulphures gas such
as in hot spring zones.
(5) corrosion or poor air quality exists.
7.2 Installation Site of the FCU
(1) The air inlet and outlet should be away from the obstructions. Ensure the air can be blown
through the whole room.
(2) Select a site where the condensate can be easily drained out.
(3) Select a place where it is out of reach of children.
(4) Select a place where the wall is strong enough to withstand the full weight and vibration of

Fan Coil Unit Wall Mounted Type
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the unit.
(5) Be sure to leave enough space to allow access for routine maintenance. The installation site
should be 250cm or more above the oor.
(6) Select a place about 1m or more away from TV set or any other electric appliance.
(7) Select a place where the lter can be easily taken out.
(8) Make sure that the FCU is installed in accordance with installation dimension instructions.
(9) Do not use the unit in the laundry or by swimming pool etc.
7.3 Safety Precautions for Electric Appliances
(1) A dedicated power supply circuit should be used in accordance with local electrical safety
regulations.
(2) Don't drag the power cord with excessive force.
(3) The unit should be reliably earthed and connected to an exclusive earth device by the
professionals.
(4) The air switch must have the functions of magnetic tripping and heat tripping to prevent short
circuit and overload.
(5) The minimum distance between the unit and combustive surface is 1.5m.
(6) The appliance shall be installed in accordance with national wiring regulations.
(7) An all-pole disconnection switch with a contact separation of at least 3mm in all poles should
be connected in xed wiring.
Note:
●Make sure the live wire, neutral wire and earth wire in the family power socket are properly
connected. There should be reliable circuit in the diagram.
●Inadequate or incorrect electrical connections may cause electric shock or re.
7.4 Earthing Requirements
(1) The FCU is type Ⅰelectric appliance. Please ensure that the unit is reliably earthed.
(2) The yellow-green wire in air conditioner is the earthing wire which can not be used for other
purposes. Improper earthing may cause electric shock.
(3) The earth resistance should accord to the national criterion.
(4) The power must have reliable earthing terminal. Please do not connect the earthingwire with
the following:
①Water pipe ②Gas pipe ③Contamination pipe ④Other place that professional personnel
consider is unreliable
(5) The model and rated values of fuses should accord with the silk print on fuse cover or related
PCB.
7.5 Connection of the electric wire
When connecting the electric wire if the wire length is not enough, please contact with the
authorized service shop to buy a exclusive electric wire that is long enough and the joint on the wire
are not allowed.
①
The electric wiring must be correctly connected, wrong connection may cause spare parts
malfunction.
②
Tighten the terminal screw in order to prevent loose.
③
After tighten the screw, slight pull the wire and conrm whether is it rm or not.
④
If the earth wire is wrong connection, that may cause electric shock.
⑤
The cover plate must be xed, and tighten the connection wire, if it is poor installed, that the
dust, moisture may enter in or the connection terminal will be affected by outside force, and
will cause re or electric shock.

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8. Installation dimension diagram
structures.
50cm
30cm
Fig.6

Fan Coil Unit Wall Mounted Type
10
9. Install the unit
9.1 Install the rear panel
Fig.7
(1) Always mount the rear
panel horizontally. Due to the
water tray of the unit has been
adopted the both-way drainage
design, the outlet of water tray
should be adjusted slightly
down when installing, that is to
take the outlet of the water tray
as the center of a circle, the
included angle between the evaporator and level should be 0 or more, that is good for condensing
water drainage.
(2) Fix the rear panel on the wall with screws. (Where is pre-covered with plastic granula)
(3) Be sure that the rear panel has been xed rmly enough to withstand the weight of an adult
of 60kg, further more, the weight should be evenly shared by each screw.
9.2 Install the piping hole
(1) Make the piping hole (Ф55) in the wall at a slight downward slant to the outdoor side.
(2) Insert the piping-hole sleeve into the hole to prevent the connection piping from being
damaged when passing through the hole.
55
Indoor Outdoor
Wall pipe
Seal pad
Fig. 8
9.3 Install the water drain pipe
(1) For well draining, the drain hose should be placed at a downward slant.
(2) Do not wrench or bend the drain hose or ood its end by water.
(3) When the long drainage hose passing through indoor,should wrap the insulation materials.
Fig. 9

Fan Coil Unit Wall Mounted Type
11
9.4 The piping can be lead out from left, left rear.
(1) When routing the piping and wiring from
the left side of the unit, cut off the tailings from the
chassis in necessary(Show in Fig.10)
1) Cut off the tailings 1 when routing the
wiring only;
2) Cut off the tailings 1 and tailings 2 when
routing both the wiring and piping.
(2) Take out the piping from body case, wrap
the piping electric wire, water pipe with tape and
pull them through the piping hole (As show in
Fig.11)
(3) Hange the mounting slots of the FCU on
the upper tabs of the rear panel and check if it is
rm enough.(As show in Fig.12)
10. Install the connection pipe
(1) Align the center of the piping pipe with the
relevant valve.
(2) Place the nut, spring washer, washer, O-ring
cross the pipe sequentially, and keep them tightly close
to each other with a distance of 6-7mm from the O-ring
to the pipe end.
(3) Screw in the pipe nut by hand and then tighten
the nut with spanner.
(4) If supplied by the manufacturer, the connection
pipe shall be installed in place so as to guarantee the
reliable connection.
Note: Firstly connect the connection pipe
to the FCU pipe, then to the connection
pipe; pay attention to the piping bending, do
not damage the connection pipe; the joint
nut couldn't tighten too much, otherwise it
may cause leakage.
Inlet water side pipe
Inlet side piping
Finally wrapit
with tape Water drainage pipe
Outlet water side
Outlet side
piping insulation
Fig.10
Fixing hook
Mounting
plate
Mounting
baord
Fig.11
Left rear
Left
Fig.12
Tailing2
Tailing1
Fig.13
FCU pipe O-ring
Spanner Torque wrench
O-ring
Washer
Washer
Spring washer
Spring washer
Nut
Nut
Connection pipe
Connection nut
FCU pipe
O-ring
O-ring
Before installed the two pipes must be
tightened with the steps of the connection nut.
Be sure there is an
interval of 6-7mm when
the fitting is completed.
Be sure there is an
interval of 6-7mm when
the fitting is completed.
Washer
Washer
Spring washer
Spring washer
Nut
Nut
Connection pipe
Connection nut
Fig.14

Fan Coil Unit Wall Mounted Type
12
11. External water pipe connection sketch
11.1 Pipe connection sketch
Connection pipe
(Provided by contractor / installer)
Torque wrench
Wrench
Two-Way Valve
Provided by contractor / installer
Water flow
Connection nut
Provided by factory
Fan coil (Rear view)
Water outlet
(Diameter=12mm)
Water inlet
(Diameter=12mm)
FCU pipe O-ring
O-ring
W
asher
Washer
Spring washer
Spring washer
Nut
Nut
Connection pipe
Connection nut
Fig.15
11.2 Motorized Valve
All units must be equipped with a motorized valve because of the following main reasons.
(1) There would be a water ood risk for some units without motorized valves in the event that
they stop under the cooling conditions.
(2) Under the cooling and heating conditions, energy loss would happen to the chilled water and
hot water.
Note:
①
The pipe must be wrapped by heat insulation material to prevent condensing water drips.
②
It is prohibited to bind directly the water valve wire and sponge up with the copper tube, as
there would be probably a short circuit or even electric leakage. The right way is letting the
water valve wire go through the pipe sleeve and then binding the sponge and pipe sleeve.
③
It is prohibited to put the valve core upside down.

Fan Coil Unit Wall Mounted Type
13
11.3 The way of operating vent valve
When necessary to operating the vent valve, the steps should operate as follow:
1.Screw out the self-
mounted screw.
Fig.16
Fig.18
Fig.17
Valve pistion
3.Screw out the valve piston
counter-clockwise 3~4 ring
cautiously.（around “ON"
direction in the window）
4.Run the FCU
After running,fit in the parts as follow.
(1)Screw the valve piston clockwise
properly before operation.（around
“OFF" direction in the window）
(2)Reinstall the window.
.
(3)screw the self-mounted screw.
Window
2.Remove the window cautiously.
12. Check after installation and test operation
Check after installation
Items to be checked Possible malfunction
Has it been xed rmly? The unit may drop,shake or emit noise.
Have you done the water leakage test? It may cause insufcient cooling (heating) capacity.
Is heat insulation sufcient? It may cause condensation and dripping.
Is water drainage well? It may cause condensation and dripping.
Is the voltage in accordance with the rated
voltage marked on the nameplate? It may cause electric malfunction or damage the part.
Is the electric wiring and piping connection
installed correctly and securely? It may cause electric malfunction or damage the part.
Has the unit been connected to a secure
earth connection? It may cause electrical leakage.
Is the power cord specied? It may cause electric malfunction or damage the part.
Is the inlet and outlet been covered? It may cause insufcient cooling(heating)capacity.

Fan Coil Unit Wall Mounted Type
14
12.1 Test Operation(wireless remoter controller)
12.1 .1 Before test operation
(1) Do not switch on power before installation is nished completely.
(2) Electric wiring must be connected correctly and securely.
(3) All the impurities such as scraps and thrums must be cleared from the unit.
12.1 .2 Test method
(1) Switch on power, pressing "ON/OFF" button on the wireless remote control to start the test
mode.
(2) Press TURBO button no less than 3 times during 5 seconds. The FCU run at test mode.
(3) Using the controller,the FCU can select the COOL, HEAT, FAN, DRY to check whether the
operation is normal or not.
(4) Leave test mode to pressing "ON/OFF" button on the controller.
(5) During 5 minute,the FCU would leave test mode automatically without pressing any button.
(6) Switch off the FCU, pressing "ON/OFF" button on the controller.
12.2 Installation and Maintenance of Healthy Filter (optional)
●Installation Instructions
(1) Forcibly pull the panel for a specic angle from the two ends
of the front panel according to the arrow direction. Then pull the air
lter downwards to remove it. (See Fig.19)
(2) Mount the healthy lter onto the air lter,(as shown in Fig.20).
If the air lter cannot be installed,please mount the healthy lter on
the front case. (as shown in Fig.21)
(3) Mount the air lter properly along the arrow direction in Fig.22,
and then close the panel cover.
●Cleaning and Maintenance.
Take out the healthy filter before cleaning and reinstall it after
cleaning according to the installation instruction. Pay special
attention that silver ion lter can't be cleaned with water, while active
carbon, photocatalyst, low temperature conversion (LTC) catalyst,
formaldehyde eliminator, catechin or mite killing lter can, but can't
with brush or hard things. Dry it in the shade or sun after cleaning,
but not by wiping.
●Service Life
(1) The healthy lter commonly has its usage lifetime for one year
under normal condition. As for silver ion filter, it is invalid when its
surface becomes black (green).
(2) This supplementary instruction is provided for reference to
the unit with healthy lter. If the graphics provided herein is different
from the physical goods, the latter one shall prevail. The quantity of
healthy lters shall be based on the actual delivery.
Fig.19
Fig.20
Fig.21
Fig.22