Frymaster HCFU 42CF03 User Manual

CONVERTIBLE CEILING/FLOOR MOUNTING  
&EXPOSED CEILING/FLOOR MOUNTING  
AIR CONDITIONER  
Operation & Installation  
Manual  
HCFU-42CF03  
HCFU-42HF03  
No.0010577270  
Please read this operation manual before using the air conditioner.  
Please keep this manual carefully and safely.  
Cautions  
All these valuable materials may be taken to  
a waste collecting center and used again after  
adequate recycling.  
Disposal of the old air conditioner  
Before disposing an old air conditioner that  
goes out of use, please make sure it's  
inoperative and safe. Unplug the air  
conditioner in order to avoid the risk of  
child entrapment.  
Consult your local authorities for the name  
and address of the waste materials collecting  
centers and waste paper disposal services  
nearest to your house.  
It must be noticed that air conditioner  
system contains refrigerants, which require  
specialized waste disposal. The valuable  
materials contained in a air conditioner can  
be recycled. Contact your local waste  
disposal center for proper disposal of an  
old air conditioner and contact your local  
authority or your dealer if you have any  
question. Please ensure that the pipework  
of your air conditioner does not get  
damaged prior to being picked up by the  
relevant waste disposal center, and  
contribute to environmental awareness by  
insisting on an appropriate, anti-pollution  
method of disposal.  
Safety Instructions and Warnings  
Before starting the air conditioner,  
read the information given in the  
User's Guide carefully. The User's  
Guide contains very important  
observations relating to the assembly,  
operation and maintenance of the air  
conditioner.  
The manufacturer does not accept  
responsibility for any damages that  
may arise due to non-observation of  
the following instruction.  
Damaged air conditioners are not to be  
put into operation. In case of doubt, consult  
your supplier.  
Disposal of the packaging of your new  
air conditioner  
Use of the air conditioner is to be carried  
out in strict compliance with the relative  
instructions set forth in the User's Guide.  
All the packaging materials employed in  
the package of your new air conditioner  
may be disposed without any danger to the  
environment.  
Installation shall be done by professional  
people, don't install unit by yourself.  
The cardboard box may be broken or cut  
into smaller pieces and given to a waste  
paper disposal service. The wrapping bag  
made of polyethylene and the polyethylene  
foam pads contain no fluorochloric  
hydrocarbon.  
1
Cautions  
The refrigerating circuit is leak-proof.  
For the purpose of safety, the air  
conditioner must be properly grounded in  
accordance with specifications.  
Always remember to unplug the air  
conditioner before opening inlet grill  
(page8). Never unplug your air conditioner  
by pulling on the power cord. Always grip  
plug firmly and pull straight out from the  
outlet.  
All electrical repairs must be carried out  
by qualified electricians. Inadequate repairs  
may result in a major source of danger for  
the user of the air conditoiner.  
Do not damage any parts of the air  
conditioner that carry refrigerant by  
piercing or perforating the air conditioner's  
tubes with sharp or pointed items, crushing  
or twisting any tubes, or scraping the  
coatings off the surfaces. If the refrigerant  
spurts out and gets into eyes, it may result  
in serious eye injuries.  
Do not obstruct or cover the ventilation  
grille of the air conditioner. Do not put  
fingers or any other things into the  
inlet/outlet and swing louver.  
Do not allow children to play with the air  
conditioner. In no case should children be  
allowed to sit on the outdoor unit.  
2
Safety Precautions  
WARNING!  
The breaker of the air conditioner should be all-pole switch; and  
the distance between its two contacts should be no less 3mm. Such means for  
disconnection must be incorporation in the fixed wiring.  
Use copper wire only. All the cables shall have got the European authentication certificate.  
For these units, the power supply connects from the outdoor side. The connecting  
cable are self-provided.  
The parameter of connecting cable: HCFU-42CF03 4G 1.0mm2 ,HCFU-42HF03 6G 1.0mm2 .  
The requirement of the cross section area of the power supply cord:  
2
3N~,380-400V, 50Hz, H07RN-F 5G 2.5mm .  
DANGER!  
Do not attempt to install this air conditioner by yourself.  
This unit contains no user-serviceable parts. Always consult authorized service personnel  
for repairs.  
When moving, consult authorized service personnel for disconnection and installation of  
the unit.  
Do not become excessively chilled by staying for lengthy periods in the direct cooling  
airflow.  
Do not insert fingers or objects into the outlet port or intake grills.  
Do not start and stop air conditioner operation by connecting and disconnecting the  
power supply cord and so on.  
Take care not to damage the power supply cord. If the supply card is danaged, it must be  
replaied by the manufacturer or authoried service agent in order to avoid a hazard.  
In the event of a malfunction (burning smell, etc.), stop operation immediately, turn off  
the circuit breaker, and consult authorized service personnel.  
3
Safety Precautions  
WARNING!  
Provide occasional ventilation during use.  
Do not direct air flow at fire places or heating apparatuses.  
Do not climb on and place objects on the air conditioner.  
Do not hang objects from the indoor unit.  
Do not set flower vases or water containers on top of the air conditioner.  
Do not expose the air conditioner directly to water.  
Do not operate the air conditioner with wet hands.  
Do not pull power supply cord.  
Turn off power source when not using the unit for extended periods.  
Check the condition of the installation stand for damage.  
Do not place animals or plants in the direct path of the air flow.  
Do not drink the water drained from the air conditioner.  
Do not use in applications involving the storage of foods, plants or animals, precision  
equipment, or art works.  
Do not apply any heavy pressure to radiator fins.  
Operate only with air filters installed.  
Do not block or cover the intake grill and outlet port.  
Ensure that any electronic equipment is at least one metre away from either the indoor  
or outdoor unit.  
Avoid installing the air conditioner near a fireplace or other heating apparatuses.  
When installing the indoor and outdoor unit, take precautions to prevent access to infants.  
Do not use inflammable gases near the air conditioner.  
4
Features and Functions  
AUTOMATIC OPERATION  
COOLING TYPE  
Merely press the ON/OFF button, and the unit will begin automatic operation in the Cooling  
or dry modes as appropriate, in accordance with the thermostat setting and the actual temperature  
of the room.  
HEAT & COOL TYPE  
Merely press the ON/OFF button, and the unit will begin automatic operation in any of the  
Heating, Cooling and Blow modes as appropriate, in accordance with the thermostat setting and  
the actual temperature of the room.  
SLEEP  
COOLING TYPE  
When the SLEEP button is pressed during Cooling or Dry mode, the thermostat setting  
gradually rises during the period of operation. When the set time is reached, the unit  
automatically turns off.  
HEAT & COOL TYPE  
When the SLEEP button is pressed during Heating mode, the air conditioner's thermostat  
setting gradually lowers during the period of operation; When the set time is reached, the  
unit automatically turns off.  
WIRELESS REMOTE CONTROL UNIT  
The WIRELESS REMOTE CONTROL UNIT allows convenient control of air conditioner  
operation.For this type unit, the wireless remote controllor type is YR-H50.  
MILDEW-RESISTANT FILTER  
The AIR FILTER has been treated to resist mildew growth, thus allowing cleaner use and  
easier care.  
5
Features and Functions  
VERTICAL AIR DIRECTION ADJUSTMENT  
Press the AIR FLOW DIRECTION VERTICAL SET button.  
Each time the button is pressed, the air direction range will change as follows:  
Cool/Dehumidification/Fan:  
2
3
4
5
1
Heat:  
4
3
2
1
5
1
2
3
4
5
Use the air direction adjustment within the ranges shown above.  
The vertical airflow direction is set automatically as shown, in accordance with the type of  
operation selected.  
HORIZONTAL AIR DIRECTION ADJUSTMENT  
Press the AIR FLOW DIRECTION HORIZONTAL SET button.  
Use the air direction adjustments within the ranges shown above.  
5
4
3
2
1
6
Features and Functions  
The swing range of up-down flap is as follow :  
Air flow direction set  
Range of swing  
1
1
2
1
1
3
3
to  
to  
2
3
4
5
3
4
2
3
4
5
to  
to  
5
1
to (all range)  
5
Each time the button is pressed, the air direction range will change as follows:  
2
3
4
5
1
4
5
4
5
1
2
2
1
3
RIGHT/LEFT  
air direction louvers  
Note :  
When being switched on firstly, the up-down flap will be at the position of max.angle.  
In cooling, the up-down louver is not good to stay at position 4, 5 for along time,  
otherwise, the dew will occur.  
7
Name of Parts  
9
1
8
1
EMER  
2
POWER OPER TIMER COMP  
4
5
6
3
7
1 Operating Control Panel  
2 Emergency switch  
3 Power Indicator Lamp  
4 OPERATION Indicator Lamp  
5 TIMER Indicator Lamp  
6 Compressor Lamp  
7 Remote receiver  
8 Inlet Grill ( Filter inside )  
9 Front panel  
8
Cleaning and Care  
1. Pull the filters upward to remove them from the Intake Grill.  
2. Clean the air filter: Remove the dust from the filters by vacuum cleaner or washing them.  
After washing, allow the air filters to dry thoroughly in an area protected from sunlight.  
3. Re-attach the air filters to the Intake Grill, press the two buttons on the filters, until you hear  
a sound of click.  
When used for extended periods, the unit may accumulate dirt inside, which reduces its  
performance. We recommend that the unit is inspected regularly, in addition to your own  
cleaning and care. For more information, consult authorized service personnel.  
When cleaning the unit's body, do not use water hotter than 40oC, harsh abrasive  
cleansers, or volatile agents like benzene or thinner.  
Do not expose the unit body to liquid insecticides or hairsprays.  
When shutting down the unit for one month or more, first allow the Fan mode to operate  
continuously for about half a day to allow internal parts to dry thoroughly.  
9
Operation Tips  
Operation and Performance  
*Heating Performance  
*Microcomputer-controlled Automatic Defrosting  
When using the Heating mode under conditions of  
low outdoor air temperature high humidity, frost  
may form on the outdoor unit, resulting in reduced  
operating performance.  
This air conditioner operates on the heat-pump  
principle, absorbing heat from outdoor air and  
transferring that heat indoors. As a result, the  
operating performance is reduced as outdoor air  
temperature drops. If you feel that insufficient  
heating perfomance is being produced, we  
recommend you use this air conditioner in  
conjunction with another kind of heating  
appliance.  
In order to prevent this kind of reduced  
performance, this unit is equipped with a  
Microcomputer-controlled Automatic Defrosting  
function. If frost forms, the air conditioner will  
temporarily stop, and the defrosting circuit will  
operate briefly (for about 7 to 12 minutes).  
During Automatic Defrosting operation, the  
OPERATION Indicator Lamp will flash.  
Heat-pump air conditioners heat your entire room  
by recirculating air throughout the room, with the  
result that some time may be required after first  
starting the air conditioner until the room is heated.  
*Trouble alarming performance  
During operation, when there is any trouble,  
the operation indicator lamp will flash with different  
times.  
Instructions relating to heating (*) are applicable  
only to "HEAT & COOL TYPE".  
Temperature and Humidity Range  
Rated Maximum Minimum  
DB C 27  
WB C 19  
32  
23  
43  
26  
27  
--  
18  
14  
10  
6
15  
--  
Indoor  
Cooling  
Heating  
DB C  
WB C  
DB C  
WB C  
DB C  
WB C  
35  
24  
20  
14.5  
7
outdoor  
Indoor  
24  
18  
-7  
--  
outdoor  
6
If the air conditioner is used under higher temperature condition than those listed, the built-in protection  
circuit may operate to prevent internal circuit damage. Also, during Cooling and Dry modes, if the unit is  
used under conditions of lower temperature than those listed above, the heat-exchanger may freeze, leading  
to water leakage and other damage.  
Do not use this unit for any other purposes except for the Cooling, Heating, Dehumidifying, and air-  
circulation of rooms in ordinary dwellings.  
The wiring method should be in line with the local wiring standand.  
The waste battery should be disposed properly.  
If the fuse on PC board is broken, please change it with the type T 3.15A/250VAC.  
The indoor unit installation height is at least 2.5m.  
10  
Installation of Indoor Unit  
Please ask the dealer or specialist to install, never try by the users themselves. After the installation please  
be sure of the following conditions.  
WARNING !  
Please call dealer to install the air-conditioner.  
Incorrect installation may cause water leaking, shock and fire hazard.  
CAUTION !  
Air-conditioner can't be installed in the envi-  
ronment with inflammable gases because the  
inflammable gases near to air-conditioner may  
cause fire hazard.  
Connect earthing wire.  
Earthing wire should not be con-  
nected to the gas pipe, water pipe,  
lightning rod or phone line, in-  
correct earthing may cause shock.  
Earthing  
Installed electrical-leaking circuit breaker.  
It easily cause electrical shock without circuit  
breaker.  
Use discharge pipe correctly to ensure efficient  
discharge.  
Incorrect pipe use may cause water leaking.  
[Location]  
Air-conditioner should be located in well-vented  
and easily-accessible place.  
Air-conditioner should not be located in the  
following places:  
supply wire, connecting wire, pipes, otherwise  
images may be disturbed or noises be created.  
As required, take measures against heavy snow.  
(a) Places with machine oils or other oil vapours.  
(b) Seaside with high salt content in the air.  
(c) Near to hot spring with high content of sulfide  
gases.  
[Wiring]  
Air-conditioner should be equipped with special  
power supply wire.  
(d) Area with frequent fluctuation of voltage e.g.  
factory, etc.  
[Operating noise]  
(e) In vehicles or ships.  
Choose the following locations:  
(f) Kitchen with heavy oil vapour or humidity.  
(g) Near to the machine emitting electric-magnetic  
waves.  
(h) Places with acid, alkali vapuor.  
TV, radio, acoustic appliances, etc. are at least 1  
m far away to the indoor unit, outdoor unit, power  
(a) Capable of supporting air-conditioner weight,  
don't increase operating noise and vibration.  
(b) Hot vapour from outdoor unit outlet and ope-  
rating noise don't disturb neighbour.  
No obstacles around the outdoor unit outlet.  
11  
Installation of Indoor Unit  
For authorized service personnel only  
WARNING  
(1) For the room air conditioner to operate satisfactorily, install it as outlined in this  
installation manual.  
(2) Connect the indoor unit and outdoor unit with the room air conditioner piping and  
cords available from our standard parts. This installation manual describes for the  
correct connections so that the installation set available from our standard parts should  
be used.  
(3) Installation work must be performed in accordance with national wiring standards  
by authorized personnel only.  
(4) Never cut the power cord, lengthen or shorten the cord, or change the plug.  
(5) Also, do not use an extension cord.  
(6) Plug in the power cord plug firmly. If the receptacle is loose, repair it before using  
the room air conditioner.  
(7) Do not turn on the power until all installation work is done.  
Be careful not to scratch the room air conditioner when handing it.  
After installation, explain correct operation to the customer, according to the operating  
manual.  
Let the customer keep this installation manual because it will be used when the room  
air conditioner is serviced or moved.  
1. SELECTING THE MOUNTING POSITION  
WARNING  
Install at a place that can withstand the weight of the indoor unit and install it  
positively so that the unit will not topple or fall.  
CAUTION  
Do not install the unit where there is the danger of combustible gas leakage.  
Do not install near heat sources.  
If children under 10 years old may approach the unit, take preventive measures so  
that they cannot reach the unit.  
12  
Installation of Indoor Unit  
(1) Install the indoor unit level on a strong wall which is not subject to vibration.  
(2) The inlet and outlet ports should not be obstructed : the air should be able to blow all  
over the room.  
(3) Do not install the unit where it will be exposed to direct sunlight ,  
(4) Install the unit where connection to the outdoor unit is easy.  
(5) Install the unit where the drain pipe can be easily installed.  
(6) Take servicing , etc.into consideration and leave the spaces shown in (Fig.1 or 2) .  
Also install the unit where the filter can be removed .  
Ceiling  
Fig. 1  
INDOOR UNIT  
3"(80mm)  
over  
6"(150mm)  
over  
0.4"(10mm)  
over  
FOR HALF CONCEALED INSTALLATION  
Ceiling panel  
Fig. 2  
INDOOR UNIT  
3"(80mm)  
over  
6"(150mm)  
over  
Ceiling panel  
0.4"(10mm)  
over  
13  
Installation of Indoor Unit  
CONNECTION PIPE REQUIREMENT  
Table 1  
Maximum height  
(between indoor  
and outdoor)  
Diameter  
Maximum  
length  
Model  
Liquid side  
Gas side  
HCFU-42CF03 HCFU-42HF03  
30 m  
9.52 mm  
19.05mm  
50 m  
INSTALLATION PROCEDURE  
Install the room air conditioner as follows:  
1. REMOVE THE INTAKE GRILLAND SIDE COVER  
Air filter  
(1) Remove the Air filters  
(2) Remove the intake grilles  
Intake grille  
(3) Remove the Side cover A (Right and left side)  
(4) This air conditioner can be set up to intake  
fresh air . For information about how to install for  
Side cover A (Right side) Side cover A (Left side)  
fresh-air intake, refer to page 23 "FRESH-AIR INTAKE".  
2. LOCATION OF CEILING SUSPENSION BOLTS  
30mm  
30mm  
Fig. 3  
Dimensions  
(Space Required for  
installation)  
Suspension bolt pitch 1530mm  
INDOOR UNIT (TOP VIEW)  
10mm  
155mm  
300mm  
Suspension bolt should  
extend outward 30 to 50mm.  
For half-concealed installation  
Supension-bolt pitch should be as shown in Fig.4.  
40mm  
40mm  
Fig. 4  
Ceiling Opening:1530mm  
Ceiling panel  
Ceiling Opening:640mm  
Suspension bolt should  
15mm  
Ceiling panel  
extend outward 30 to 50mm.  
14  
Installation of Indoor Unit  
3. DRILLING THE HOLES AND ATTACHING THE SUAPENSION BOLTS  
••  
(1) Drill 25mm holes at the suspension-bolt locations.  
(The two special nuts are provided with the unit. The M10 nut must be obtained locally.)  
Refer to Fig.5.  
(2) Install the bolts, then temporarily attach Special nuts A and B and a normal M10 nut  
to each bolt.  
Fig. 5  
Bolt Strength  
980 to 1470 N (100 TO 150 kg)  
Special nut A (included)  
Ceiling panel  
10 to 15 mm  
Special nut B (included)  
M10 nut (Obtained locally)  
IF USING ANCHOR BOLTS  
(1) Drill holes for anchor bolts at the locations at which you will set the suspension bolts.  
Note that anchor bolts (to be obtained locally).  
(2) Install the anchor bolts ,then temporarily attach special nut "B" (included) and a  
locally-procurde M10 nut to each of the bolts. (See Fig.6.)  
Anchor-Bolt Strength 980 to 1470 N (100 TO 150 kgf)  
Fig. 6  
Special nut B  
(included)  
M10 Nut  
(Obtaied locally)  
M10 Nut  
(Obtaied locally)  
INSTALLING THE INDOOR UNIT  
(1) Lift unit so that suspension bolts pass through suspension fittings at the sides (four  
places),and slide the unit back.(See Fig.8.)  
15  
Installation of Indoor Unit  
Fig. 7  
Fig. 8  
Ceiling  
Ceiling panel  
Wall  
Wall  
(2) Fasten the indoor unit into place by tightening-up the special "B",blots and the M10  
nuts. Make sure that unit is secure and willl not shift back and forth.  
FOR HALF-CONCESLED INSTALLATION  
When installing the indoor unit in a semi-concesled orientation, make sure to reinforce the  
insulation of the unit on all sides. Drops of water may fall from the unit if it is not  
thoroughly insulated.  
Fig. 9  
Glass wool insulate  
(10 to 20mm thick )  
INDOOR UNIT  
(Top view)  
Wall  
Ceiling pannel  
CAUTION  
In order to check the drainage, be sure to use a level during installation of the indoor  
unit. If the installation site of the indoor unit is not level, water leskage may occur  
16  
Installation of Indoor Unit  
INSTALLING THE COUPLER HEAT INSULATION  
After checking for gas leaks, insulate by wrapping insulation around the two parts (large  
and small) of the indoor unit coupling, using the coupler hest insulation.  
After installling the coupler heat insulation, wrap both ends with vinyl tape so that there  
is no gap.  
Secure both ends of the heat insulation material using nylon fasteners.  
Coupler heat insulation(large)  
Fig. 10  
Coupler pipe (large)  
Indoor unit  
Coupler pipe (small)  
Coupler heat insulation(small)  
Nylon fastner (large)  
No gap  
Indoor unit  
Coupler heat insulation  
Nylon fastner (small)  
When using an auxiliary pipe, make sure that the fastener used is insulated in the  
sane way.  
Notice  
When installing the unit on the floor, fix the four rubber base feet in the accessories on  
the bottom plate of the unit with four 4x16 screws and 4 flat washers,as the position in  
the figure.  
A
A
4:1  
rubber base foot  
4x16 screw  
The bottom plate of the unit.  
flat washer  
17  
Installation of Indoor Unit  
DRAIN PIPING  
Install the drain pipe with downward gradient (1/50 to 1/100) and so there are no rises or  
traps in the pipe.  
Use general hard polyvinyl chloride pipe (VP25)[outside diameter 38 mm.]  
During installation of the drain pipe,be careful to avoid applying pressure to the drain  
point of the unit.  
When the pipe is long,install supporters(Fig 11).  
Do not perform air bleeding.  
Always heat insulate (8mm or over thick) the indoor side of the drain pipe.  
Fig. 11  
GOOD  
BAD  
BAD  
Supporter  
5 to 6.5 ft  
(1.5 to 2m)  
18  
Installation of Indoor Unit  
(1) Install insulation for the drain pipe.(See Fig.12 and 13)  
Cut the included insulation material to an appropriate size and adhere it to the pipe.  
Fig. 12  
Drain pipe  
Insulation for Drain pipe  
(Tobeobtainedlocally.Lengthshoud  
be at least 8mm.)  
Drain pipe insulation (accessories)  
Indoor unit(drain port)  
Fig. 13  
Drain pipe insulation  
Indoor unit  
Drain pipe  
No gap  
10mm or over  
(2) If "Right rear piping ":fasten the drain pipe with VT wires so that the pipe slopes  
correctly within the indoor unit.  
19  
Installation of Indoor Unit  
ELECTRICAL WIRING  
HOW TO CONNECT WIRING TO THE TERMINALS  
A.For solid core wiring (or F-cable)  
(1)Cut the wire and with a wire cutter or wire-cutting pliers,then strip the insulation to  
about 15/16"(25mm) of expose the solid wire.  
(2)Using a screwdriver ,remove the terminal screw(s) on the terminal board.  
(3)Using pliers,bend the solid wire to form a loop suitable for the terminal screw.  
B.For strand wiring  
(1)Cut the wire and with a wire cutter or wire-cutting pliers,then strip the insulation to  
about 3/8"(10mm) of expose the solid wire.  
(2)Using a screwdriver ,remove the terminal screw(s) on the terminal board.  
Fig. 14  
A. Solid wire  
B. Strand wire  
Round terminal  
Loop  
Insulation  
Screw with  
special washer  
Screw with  
special washer  
Round  
terminal  
Round  
terminal  
Terminal  
board  
Wire  
Wire  
HOW TO FIXED CONNECTION CORD AND POWER CABLE AT THE CORD  
CLAMP  
After passing the connection cord and power cable through the insulation tube, fasten  
it with the cord clamp, as shown in Fig.15  
20  
Installation of Indoor Unit  
ELECTRICAL REQUIREMENT  
Electric wire size and fuse capacity:  
Table 5  
HCFU-42CF03  
HCFU-42HF03  
Series  
MAX  
MIN  
3.5  
2.0  
30  
Connection  
cord  
(mm2)  
Fuse capacity(A)  
Fig. 15  
Insulation tube  
Cord clamp  
Use VW-1, 0.5 to 1.0 mm thick, PVC tube as the insulation tube.  
CAUTION  
(1) Match the terminal block numbers and connection cord colors with those of the  
outdoor unit.  
Erroneous wiring may cause burning of the electric parts.  
(2) Connect the connection cords firmly to the terminal block. Imperfect installation  
may cause a fire.  
(3) Always fasten the outside covering of the connection cord with the cord clamp.  
(If the insulator is chafed, electric leakage may occur.)  
(4) Always connect the ground wire.  
21  
Installation of Indoor Unit  
FRESH-AIR INTAKE  
(1)Open up the knockout hole for the fresh-air intake,as shown in Fig.16 (If using  
half-concealed installation ,open up the top knockout hole instead)  
Fig. 16  
For half-concealed  
CAUTION  
(1)When removing the cabinet(iron plate),be careful not to damage the indoor unit  
internal parts and surrounding area(outer case).  
(2)When processing the cabinet(iron plate),be careful not to injury yourself with  
burrs,etc.  
(2)Fasten the round flange (optional) to the fresh air intake,as shown in Fig.17 (If using  
half-concealed installation, attach to the top.)  
Fig. 17  
Round duct (option parts)  
[After completing " INDOOR UNIT INSTALLATION"....]  
(3)Connect the duct to the round flange.  
(4)Seal with a band and vinyl tape,etc.so that air does not leak from the connection.  
Fig. 18  
Duct  
22  
Installation of Indoor Unit  
Wiring Connection:  
(1) Remove the cord clamp.  
(2) Process the end of the connection cords  
to the dimensions shown in Fig.19.  
(3) Connect the end of the connection cord  
fully into theterminal block.  
(4) Fasten the connection cord with a cord clamp.  
(5) Fasten the end of the connection cord with the screw.  
(6) The power cable and connecting cable are self-provided.  
(7) L,N and 1,2 are equal on the terminal block.  
Note:Connect the black terminal of indoor unit with the black terminal of outdoor unit pro-  
perly using the connecting wire which has both white terminals in the accesory bag,  
and connect the blue terminal of indoor unit with the white terminal of out terminal as  
the same(For heat pump model).For cooling only unit,just connect the black terminal  
of indoor unit with the black terminal of outdoor unit properly.  
Fig. 19  
INDOOR UNIT  
INDOOR UNIT  
L
3
4
5
N
TERMINIAL BLOCK  
TERMINIAL BLOCK  
1 2 3  
W B R Y/G  
Y/G  
R
T
N
S
N 1 2 3  
R S T  
3
4
5
N
L
OUTDOOR UNIT  
OUTDOOR UNIT  
TERMINIAL BLOCK  
POWER SUPPLY:  
TERMINIAL BLOCK  
3N~,380-400V,50Hz  
3N~,380-400V,50Hz  
HCFU-42HF03  
HCFU-42CF03  
WARNING  
(1) Always use a special branch circuit and install a special receptacle to supply power to the room air  
conditioner.  
(2) Use a circuit breaker and receptacle matched to the capacity of the room air conditioner.  
(3) The circuit breaker is installed in the permanent wiring. Always use a circuit that can trip all the  
poles of the wiring and has an isolation distance of at least 3mm between the contacts of each pole.  
(4) Perform wiring work in accordance with standards so that the room air conditioner can be  
operated safely and positively.  
(5) Install a leakage circuit breaker in accordance with the related laws and regulations and electric  
company standards.  
23  
Installation of Indoor Unit  
CAUTION  
(1) The power source capacity must be the sum of the room air conditioner current and the current  
of other electrical appliances. When the current contracted capacity is insufficient, change the  
contracted capacity.  
(2) When the voltage is low and the air conditioner is difficult to start, contact the power company  
the voltage raised.  
TEST RUNNING  
1. CHECK ITEMS  
(1) INDOOR UNIT  
(1) Is operation of each button on the remote control unit normal?  
(2) Does each lamp light normally?  
(3) Do not air flow direction louvers operate normally?  
(4) Is the drain normal?  
(2) OUTDOOR UNIT  
(1) Is there any abnormal noise and vibration during operation?  
(2) Will noise, wind, or drain water from the unit disturb the neighbors?  
(3) Is there any gas leakage?  
CUSTOMER GUIDANCE  
Explain the following to the customer in accordance with the operating manual:  
(1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching, and  
other remote control unit operations.  
(2) Air filter removal and cleaning, and how to use air louvers.  
(3) Give the operating and installation manuals to the customer.  
24  
Trouble Shooting  
Followings are not problems  
During unit operation or at stop, a swishing or  
gurgling noise may be heard. This noise is generated  
by refrigerant flowing in the system.  
Sound of water flowing is  
not a problem.  
During unit operation, a cracking noise may be heard.  
This noise is generated by the casing expanding or  
shrinking because of temperature changes.  
Sound of cracking is heard.  
Smell are generated.  
This is because the system circulates smells from the  
interior air such as the smell of cigarettes or the  
painting on the furniture.  
During operation, white fog or steam  
comes out from the indoor unit.  
When unit is running at places like restaurant, etc. where  
dense edible oil fumes always exist, this will happen.  
In cooling operation, unit switches to  
blowing operation.  
To prevent frost from accumulating on indoor heat  
exchanger, unit will switch to blowing operation for a  
while then resume cooling operation.  
Unit will not restart after stop.  
Won't start?  
Though ON/OFF button is set  
to ON, unit won't resume cooling,  
dry or heating operation  
in 3 min after it is stopped, this  
is because of 3-min-delay  
protection circuit.  
Please wait 3 minutes  
No outlet air or fan speed can't be changed  
in dry mode.  
Unit will reduce fan speed repeatedly and automatically  
if room temp. is too low in dry operation.  
In heating operation, water or steam are  
blown out of outdoor unit.  
This occurs when frost accumulated  
on the outdoor unit is removed.  
(during defrosting operation)  
In heating operation, indoor fan won't stop  
even if unit is stopped.  
After unit stop, indoor fan will go on running  
until indoor unit cools down.  
25  
Trouble Shooting  
Before ask for services, please first check your unit against the following.  
Air conditioner won't start.  
Is power supply switch  
turned on?  
Is city power supply normal? Is leakage current breaker  
activated?  
This is very dangerous, please  
disconnect power supply  
Power  
failure?  
immediately and contact your  
Power supply switch  
dealer.  
is not set at ON.  
Poor cooling or heating  
Is air filter too dirty?  
Are operation control  
Are there any obstacles in inlet  
or outlet grill?  
adjusted correctly  
Proper  
as specified?  
temp  
Are horizontal louvers at up Any doors or windows left  
position (in heating mode)?  
open?  
Poor cooling  
If there are unexpected heat  
sources in the room?  
Too many people in the room?  
Is there any direct sunlight  
in the room?  
Cold air blows out  
(in heating mode)  
Is air conditioner in standby  
condition in heating mode?  
If your unit still can't work properly after above mentioned checks, or following problems occur,  
please stop it immediately and contact your dealer.  
Fuses or circuit breakers often blow out.  
Water comes out in cooling/dry operation.  
Operation is abnormal or sound is heard.  
Failure description  
Flash times of indoor  
receiver board  
Power LED flashes 1 time  
Power LED flashes 2 times  
Power LED flashes 3 times  
Power LED flashes 4 times  
Power LED flashes 5 times  
Room temp. sensor abnormal  
Indoor coil temp. sensor abnormal  
Outdoor temp. sensor abnormal  
Outdoor coil temp. sensor abnormal  
Over-current malfunction  
Power LED flashes 16 times  
Power LED flashes 8 times  
High / Low pressure abnormal or Comp. discharging protection malfunction  
Communication malfunction between indoor and wired controller  
Communication malfunction between indoor and outdoor abnormal  
Power LED flashes 9 times  
Power LED flashes 13 times  
Temperature protection malfunction  
26  
HAIER GROUP  
Qingdao Haier Air Conditioner Electric Co., Ltd.  
Address: Haier Garden ,Qianwangang Road , Economic Development Zone,  
Qingdao ,Shandong 266500, P.R.China  

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