FLOOR UNIT OPERATION MANUAL HFU-09HA03(B)/R1 HFU-12HA03(B)/R1 HFU-09H03/R2(DB) HFU-12H03/R2(DB) HFU-18H03/R2(DB) Please read this operation manual before using the air conditioner. No.
Cautions Disposal of the old air conditioner Safety Instructions and Warnings 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. 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.
Cautions Do not obstruct or cover the ventilation grille of the air conditoner.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. The refrigerating circuit is leak-proof. The machine is adaptive in following situation 10.Please employ the proper power plug, which fit into the power supply cord. 1.Applicable ambient temperature range: Indoor Cooling 11 .
Cautions Safety Instruction Please read the following Safety Instructions carefully prior to use The instructions are classified into two levels, WARNING and CAUTION according to the seriousness of possible risks and damages as follows. Compliance to the instructions are strictly required for safety use. Installation WARNING Please call Sales/Service Shop for the Installation. Do not attempt to install the air conditioner by yourself because improper works may cause electric shock, fire, water leakage.
Cautions WARNING When abnormality such as burnt-small found, immediately stop the operation button and contact sales shop. Use an exclusive power source with a circuit breaker STRICT ENFORCEMENT OFF Connect power supply cord to the outlet completely STRICT ENFORCEMENT Do not use power supply cord in a bundle. After installed, the unit shall be tested for electric leakage. STRICT ENFORCEMENT Take care not to damage the power supply cord. PROHIBITION Do not insert objects into the air inlet or outlet.
Parts and Functions Indoor unit 1.OUTLET 2.CONTROL PANEL 3.INLET 4.FILTER (inside) 5.
Parts and Functions CAUTION Before opening the front grille, be sure to stop the operation and turn the breaker OFF. Do not touch the metal parts on the inside of the indoor unit, as it may result in injury. Receiver Signals are received from the remote controller here. Upon receiving a signal, there is a receiving sound. Air outlet selection switch This setting blows air from upper outlet only. This setting automatically decides a blow pattern depending on mode and conditions.
Parts and Functions Remote Controller 4. MODE Used to select AUTO, COOL, DRY, FAN and HEAT operation. 5. ON/OFF Used for unit start and stop. 6. SWING Used to adjust the up/down air flow direction. 7. TEMP. Used to select your desired temperature. 8. TIMER ON display 9. SLEEP display 10. FAN SPEED display Remote controller: LOW MED HI 11. SWING UP/DOWN display 12. MODE display Operation mode AUTO Remote controller AUTO COOL DRY FAN HEAT 1.TIMER Used to select TIMER ON, TIMER OFF, TIMER ON-OFF 2.
Parts and Functions Clock Set When unit is started for the first time and after replacing batteries in remote controller, clock should be adjusted as follows: 1. Press CLOCK button,"AM" or "PM" flashes. 2. Press or to set correct time. Each press will increase or decrease 1 min. If the button is kept depressed, time will change quickly. 3. After time setting is confirmed, press SET, "AM" or "PM" stop flashing, while clock starts working.
Operation Auto Operation Remote controller 1. Unit start Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts. Previous operation status appears on LCD display (no timer and sleep), and set the operation mode. 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL DRY FAN HEAT Then Select Auto operation 3.Select temp.setting 5 4 Press TEMP. button Every time the button is pressed, temp.
Operation Cool Operation 1. Unit start Remote controller Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts. Previous operation status appears on LCD display (no timer and sleep). 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL DRY FAN HEAT Then Select Cool operation 3.Select temp.setting Press TEMP. button Every time the button is pressed, temp.
Operation DRY Operation 1. Unit start Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts. Previous operation status appears on LCD display (no timer and sleep). Remote controller 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL DRY FAN HEAT Then Select DRY operation 3.Select temp.setting Press TEMP. button Every time the button is pressed, temp.
Operation FAN Operation 1. Unit start Remote controller Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts. Previous operation status appears on LCD display (no timer and sleep). 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL DRY FAN HEAT Then Select FAN operation 3.Fan speed selection Press FAN button. For each press, fan speed changes as follows: Remote controller: LOW MED HI 4.
Operation HEAT Operation Remote controller 1. Unit start Press ON/OFF on the indoor unit, or press ON/OFFon the remote controller, unit starts. Previous operation status appears on LCD display (no timer and sleep). 2.Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: AUTO COOL DRY FAN HEAT Then Select HEAT operation 3.Select temp.setting Press TEMP. button Every time the button is pressed, temp.
Operation Adjusting the Air Flow Direction You can adjust the air flow direction to increase your comfort Notes on flap angles When SWING is selected, the flap swinging range depends on the operation mode.(See the figure.) Adjusting the flap COOL/DRY HEAT NOTE Unless [SWING] is selected, you should set the flap at a near-horizontal angle in HEAT mode and at a upward position in COOL or DRY mode to obtain the best performance. CAUTION Do not try to adjust the flap by hand.
Operation SLEEP Operation Before going to bed , you can simply press the 2. In HEAT mode SLEEP button and unit will operation in SLEEP 3 hours after SLEEP mode starts, temperature o mode and bring you a sound sleep. will become 1 C lower than temperature setting. After another 3 hours temperature decrease by Use of SLEEP function o 1 C further. The unit will run for further 2 hours After the unit starts, set the operation status, then stops.
Operation Timer On/Off Operation Set clock correctly before starting TIMER operation. Remote controller 1. After unit starts, select your desired operation mode. Operation mode will be displayed on LCD 2. Timer mode selection Press TMIER button to change TIMER mode. Every time' the button pressed, display changes as follows: Remote controller: BLANK TIMER ON TIMER OFF TIMER ON-OFF Then select your desired TIMER mode (TIMER ON or TIMER OFF). " "or " "will flash. 3.Time setting Press HOUR button.
Operation TIMER On-Off Operation Remote Controller Set clock correctly before starting TIMER operation. 1. After unit starts, select your desired operation mode Operation mode will be displayed on LCD. 2. Timer mode selection Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: Remote controller: BLANK TIMER ON TIMER OFF TIMER ON-OFF Then select your desired TIMER mode (TIMER ON - OFF). " "will flash. 3.Time setting Press HOUR button.
Operation POWER/SOFT Operation POWER Operation When you need rapid heating or cooling, you can use this funciton. Selecting of POWER operation Press POWER/SOFT button. Every time the button is pressed,display changes as follows: BLANK SOFT POWER Stop the display at In POWER operation status: In HEAT or COOL mode, fan speed automatically runs in HI mode for 15 min then returns to original status setting. To cancel POWER operation Press POWER/SOFT button twice ,POWER/SOFT disappears.
Operation EMERGENCY OPERATION AND TEST OPERATION EMERGENCY OPERATION Carry out this operation only when the remote controller is defective or lost. POWER TIMER RUN Unit start When the emergency operation switch is pressed, a sound you can hear, which means the start of this operation. ON/OFF Follow the requirements below.
Operation hints Remote monitoring The control board of the indoor unit reserves the communication port for remote control. If you install the peripheral equipment according to the manual of the matching remote control detector, it can realize the computer management or remote monitoring of the conditioner.
Maintenance Cleaning of the unit Turn off the power switch Do not touch with wet hand Take off the air inlet grill First switch off the power supply, take off the screw cap, loosen the screw with cross screwdriver. Clean the filter Use water or vacuum cleaner to remove dust. If it is too dirt, clean with detergent or neutral soap water. Rinsing with fresh water, dry the filter and re-assemble. Caution: o Do not wash filter in hot water above 40 C, which will damage the filter.
Maintenance Maintenance at the end of application season On a fine day, unit shall be started and operate in FAN mode for about half a day unit the inside of the unit becomes thoroughly dry. Turn off the unit operation switch and power on/off. Otherwise, there will be some electricity consumption even the unit is in stop status. Clean the filter and indoor, outdoor unit, cover the units well.
Trouble shooting Before asking for service, check the following first. Phenomenon Cause or check points The system does not restart immediately. When unit is stopped, it won't restart immediately until 3 minutes have elapsed to protect the system. When the electric plug is pulled out and reinserted, the protection circuit will work for 3 minutes to protect the air conditioner. Noise is heard: Normal Performance inspection Smells are generated. Mist or steam are blown out.
Installation Manual of Room Air Conditioner more than 10 cm Installation of indoor unit mo re t ha n1 0c m m 00 n1 re mo tha cm Figure.1 Figure.2 or e th an 10 cm selection of installation place Place where it is easy to route drainage pipe and outdoor piping. Place, away from heat source and with less direct sunlight. Place where cool and warm air could be delivered evently to every corner of the room. Place near power supply socket.Leave enough space around the unit.
Installation Manual of Room Air Conditioner Tool necessary No. Shape and description 1.Screw driver 2.Hacksaw 3.70mm dia. hole core drill 4.Spanner(dia.17,27mm) 5.Spanner(14,17,27mm) 6.Pipe cutter 7.Flaring tool 8.Knife 9.Nipper 10.Gas leakage detector or soap water 11.Measuring tape 12.Reamer 13.
Installation Manual of Room Air Conditioner 3. Piping connection Connecting method Apply refrigerant oil at half union and flare nut. To bent a pipe, give the roundness as large as possible not to crash the pipe. When connecting pipe, hold the pipe center to center then screw nut on by hand, refer to Fig. Be careful not to let foreign matters, such as sands enter the pipe. Forced fastening without careful centering may damage the threads and cause a leakage of gas.
Installation Manual of Room Air Conditioner 3. Piping connection of the outdoor unit Connecting the connecting pipe and inlet and outlet liquid pipe according to the piping method Liquid Side 6.35mm(1/4") Purging Method:(For R410A) Detach the service port's cap of 3-way valve, the valve rod's cap for 2-way valve and 3-way's, connect the service port into the projection of charge hose (low) for gaugemanifold. Then connect the projection of charge hose (center) for gaugemanifold into vacuum pump.
Installation Manual of Room Air Conditioner 3. Piping connection of the outdoor unit Connecting the connecting pipe and inlet and outlet liquid pipe according to the piping method 3-way valve Purging Method:(For R407C) 2-way valve Detach the service port's cap of 3-way valve, the valve rod's cap for 2-way valve and 3-way's, connect the service port into the projection of charge hose (low) for gaugemanifold. Then connect the projection of charge hose (center) for gaugemanifold into vacuum pump.
Installation Manual of Room Air Conditioner Note: When additional refrigerant is necessary, first purge air out of connecting pipe by external gas, then drive out the excessive refrigerant by purging method.. Brand new unit is charged 80g more refrigerant than spec. This is only for first installation to purge air in the indoor unit and connecting pipe. When piping is longer than 5m, change additional refrigerant specified in this list.
Installation Manual of Room Air Conditioner Others 1. Power supply Air conditioner must use an exclusive line(over 20A) . 2 The type of power supply wire is HF05VV-3G2.5mm . When installation air conditioner in a wet place, try to use a circuit breaker against current leakage. For installation in other places, use circuit breaker as for as possible. 2. Piping cutting and flaring Be sure to carry out deburring after cutting with a pipe cutter.