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Indoor Unit Operation & Installation

Manual

No. 0010576844

DUCT  TYPE  AIR  CONDITIONER

HDU-18HF03
HDU-28CF03

HDU-18CF03

HDU-28CF03

Please read this operation manual before using the air conditioner.

Please keep this manual carefully and safely.

Summary of Contents for HDU-18CF03

Page 1: ...ion Installation Manual No 0010576844 DUCT TYPE AIR CONDITIONER HDU 18HF03 HDU 28CF03 HDU 18CF03 HDU 28CF03 Please read this operation manual before using the air conditioner Please keep this manual carefully and safely ...

Page 2: ...ion 15 17 Care and Maintenance 18 For Preparation of Heating 19 Is The Unit Installed Correctly 20 Installation Manual For Wire Controller 21 22 Installation Manual For Indoor Unit 23 32 Safety Precautions 3 5 Parts and Functions 6 8 Cautions 2 ...

Page 3: ... an appropriate anti pollution method of disposal Disposal of the packaging of your new air conditioner All the packaging materials employed in the package of your new air conditioner may be disposed without any danger to the environment 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 ...

Page 4: ...cident by some improper handing Do not install nearby the place where may have leakage of flammable gas Depending on the place of installation a circuit breaker may be necessary Drain pipe should be arranged to provide a positive draining If the gas leakes and gathers around it may cause the fire Unless the circuit breaker is installed it could cause elecrical shocks Where strong winds may prevail...

Page 5: ...m is operated at the vicinity of such equip ment which generates steam condensed water may drip during cooling operation or it could cause a fault current or short circuit When operating the system simultaneously with a combustion apparatus indoor air must be ventilated frequently Check occasionally the support structure of the unit for any damage after a use of long period of time Insufficient ve...

Page 6: ...mm2 For HDU 28CF03 HDU 28HF03 The connecting cable should be H05RN F 0 75mm2x2 2 0mm2x3 For HDU 18HF03 H05RN F 2 0mm2x3 For HDU 18CF03 and H05RN F 0 75mm2x6 For HDU 28HF03 H05RN F 0 75mm2x4 For HDU 28CF03 During installation when the connecting cables break off it must be assured that the grouding wire is the last one to be broken off 6 The breaker of the air conditioner should be all pole switch ...

Page 7: ...Parts and Functions 6 Wire controller Indoor unit Evaporator Outlet Electrical box HEALTH HEAT Drain pan ...

Page 8: ...MER Used to select TIMER ON TIMER OFF TIMER ON OFF MODE Used to select AUTO RUN COOL DRY HEAT and FAN operation Parts and Functions HEALTH HEAT FAN SPEED Used to select fan speed LO MID HI AUTO SET Used to confirm Timer and Clock settings SLEEP Used to select sleep mode TEMP Used to select your desired temp HEALTH Used for setting indoor health function Used for unit start and stop Power ON OFF TI...

Page 9: ...tarted for the first time clock should be adjusted as follows Press CLOCK button AM or PM flashes Operation OPERATING LAMP DRY COOL AUTO FAN SPEED SLEEP TIMER ON TIMER OFF CLOCK TEMP FANOPERATION Remote control Parts and Functions HEAT HEALTH HEAT HEALTH ELECTRIC HEATER ...

Page 10: ...s fan speed changes as follows Unit will run at selected fan speed Wire controller can memorize settings in each operation mode To run it next time just select the operation mode and it will start with the previous setting No reselecting is needed TIMER ON OFF needs reselecting In FAN mode temp can t be set Hints AUTO COOL DRY FAN The air conditioner has the function of POWER FAILURE RESUME 4 Unit...

Page 11: ... follows Unit will run in operation mode displayed on LCD Stop display at your desired mode Recommendations Hints Wire controller can memorize each operation status When starting it next time just press ON OFF button and unit will run in previous status Press FAN button For each press fan speed changes as follows 4 Fan speed selection Unit will start running to reach the temp setting on LCD Press ...

Page 12: ...n is kept depressed time will change quickly Every time the button is pressed time decreases 10min If button is kept depressed time will change quickly Time will be shown on LCD It can be adjusted within 24hours 4 Confirming your setting After setting correct time press SET button to confirm ON or OFF stops flashing Time displayed Unit starts or stops at x hour x min ON or OFF Timer mode indicator...

Page 13: ...an be adjusted within 24hours AM refers to morning and PM to afternoon Time displayed Unit starts at Xhour X min After time setting press TIMER button to confirm ON stops blinking While OFF starts blinking 4 Time confirming for TIMER ON Follow the same procedures in Time setting for TIMER ON 6 Time confirming for TIMER OFF After time setting press SET button to confirm OFF stops flashing Time disp...

Page 14: ...OWN SLEEP RUN STOPS SLEEP RUN BEGINS SETTING T SHUT DOWN Comfortable Sleep Note In AUTO mode unit will run in SLEEP function according to the operation mode After setting SLEEP function it is forbidden to calibrate clock If the set sleep time does not reach 8 hours the unit will stop operation automatically after set time is complete Set TIMER OFF function first then set SLEEP and the sleep set is...

Page 15: ...leeping button on the remote controller 10 times within 5 seconds and after the buzzer rings 4 times the air conditioner will enter the state of power failure compensation Cancel Method Press the Sleeping button on the wire controller 10 times within 5 seconds and after the buzzer rings 2 timer the power failure compensation mode will be cancelled Notes When a power failure suddenly occurs during ...

Page 16: ...oors or windows left open Doesn t any obstacle exist at the air inlet or outlet Cooling is not sufficient Isn t sun shine invading direct Isn t any unexpected heating load generated Isn t the room much crowded Isn t the swing louver horizontal At HEATING mode If swing louver is horizontal the blow wind does not reach floor The wind does not blow during heating operation Isn t it warming up When th...

Page 17: ...utdoor coil temp sensor abnorma E4 Over current malfunction E5 Communication malfunction between indoor PCB and panel E8 Communication malfunction between indoor PCB and outdoor PCB E9 Code on wired controller Outdoor temp sensor abnormal E3 High Low pressure abnormal E6 The float switch malfunction E0 ...

Page 18: ...the FAN mode during cooling To prevent frost from being accumulated on the indoor unit heat exchanger it is sometimes automatically switched to the FAN mode but it will soon return to the cooling mode Even if the operation switch is turned on cooling dehumidifying or heating is not operable for three minutes after the conditioner is stopped Because the protecting circuit is activated During this t...

Page 19: ... no obstacles blocking the air inlet and air outlet of both indoor and outdoor units Make sure that the air filter is not dirty Cut in the power supply switch 12 hours before starting run Post Season Care Operate the unit with FAN mode on a fair day for about half a day to dry the inside of the unit well Stop operation and turn off the power supply switch Electric power is consumed even the air co...

Page 20: ...over to ordinary heating operation WARMING OPERATION Heat pump type warming Defrosting operation Atmospheric temperature and warming capacity Period of warm up With the heat pump type warming the mechanism of heat pump that concentrate heat of outdoor air with the help of refrigerant to warm the indoor space is utilized When a room is warmed with a heat pump type air conditioner frost accumulates ...

Page 21: ...gas generates Hot spring area etc The place where salt breeze blows Seaside etc The place where dense soot smoke exists The place where humidity is extraordina rily high The place where near the machine which radiates the electromagnetic wave The place where voltage variation is con siderably large For details consult your sales dealer The electric work must be burden on the authorized engineer wi...

Page 22: ...xposed installation use 2 wood screws 2 For recessed installation use 2 wood screws Note Try as far as possible a flat surface for installation Don t use excessive force when tightening screws or lower part might got deformed PCB is mounted on lower part of wire controller be careful not to damage it Lower part of wire controller Upper part of wire controller ...

Page 23: ...ze Shield wire 4 core refer to Hint 3 4 0 33mm2 Wire size 4 Replace the upper part of wire controller Hint Be careful not to press the wiring 1 Switch box and cord for wiring are not supplied 2 Don t touch PCB with hand Use shielede wires for telecommunication between wire controller and indoor unit indoor unit and outdoor unit Ground the shield on one side Otherwise misoperation because of noise ...

Page 24: ...When strength is insufficient injury can result from a falling of the unit Execute the prescribed installation construction to prepare for earthquakes and the strong winds of typhoons and hurricanes etc Improper installations can result in accidents due to a violent falling over of the unit For electrical work please see that a licensed electrician executes the work while following the safety stan...

Page 25: ...ust be strong enough to support the unit weight 3 The connecting pipe drain pipe and connection wire shall be able to go though the building wall to connect between the indoor and outdoor units 4 The connecting pipe between the indoor and outdoor units as well as the drain pipe shall be as short as possible See Figure 1 5 If its necessary to adjust the filling amount of the refrigerant please refe...

Page 26: ...purchased locally The wall hole shall be with a outward down slope of at least 1 100 See Figure 2 2 Before drilling check that there is no pipe or reinforcing bar just behind the drilling position Drilling shall avoid at positions with electric wire or pipe 3 Mount the unit on a strong and horizontal building roof If the base is not firm it will cause noise vibration or leakage 4 Support the unit ...

Page 27: ... out duct Note When connecting the long ducts use the middle static terminals which color is red The sketch map of long duct Tie in of air distributary M8 wide expansion bolt M8 suspender screw M8 wide lock washer M8 screw nut Air conditioner Note When connecting the short ducts use the low static terminals which color is white The distance L from the air outlet of the duct to the air outlet of th...

Page 28: ...onnect the air return duct on the air return inlet of the indoor unit then connect the other end with the air return blind As Fig 2 shown Indoor unit Soft connection or static box Transition duct Rounded duct Unit mm 3 Thermal insulation of duct Air sending duct and air return duct shall be thermally insulated First stick the gluey nail on the duct then attach the heat preservation cotton with a l...

Page 29: ...ension screws New concrete slab To set with embedded parts foundation bolts etc Original concrete slad Use hole hinge hole plunger or hole bolt Steel reinforcement structure Use steel angle or new support steel angle directly Hanging of the indoor unit Fasten the nut on the suspension screw and then hang the suspension screw in the T slot of the suspension part of the unit Aided with a level meter...

Page 30: ...e not to apply external force onto the drain pipe connection part Pipe and insulation material Rigid PVC pipe VP31 5mm internal diameter Foamed PE with thickness above 7 mm Pipe Insulation Hose Drain pipe size 3 4 PVC pipe The hose is used for adjusting the off center and angle of the rigid PVC pipe Directly stretch the hose to install without making any deformation The soft end of the hose must b...

Page 31: ... air conditioner Pipe size mm Gas side ÿ12 70 Liquid side ÿ6 35 Supplementary refrigerant The refrigerant supplementation shall be as specified in the installation instructions attached with the outdoor unit R22 The adding procedure shall be aided with a measuring meter for a specified amount of supplemented refrigerant Requirement Overfilling or underfilling of refrigerant will cause compressor f...

Page 32: ...ector or soap water that if there is gas leakage at the pipe connections and bonnets Conduct insulation treatment on both the gas side and liquid side of pipes respectively During cooling operation both the liquid and gas sides are cold and thus shall be insulated so as to avoid dew generation The insulating material at gas side shall be resistant to a temperature above 120 C The indoor unit pipe ...

Page 33: ...h wires with less than 2 voltage drop 2 Wiring connection Item Phase Switch breaker A Circuit breaker Overcurrent protector rated capacity A Power source wire size minimum Switch breaker Earth leakage breaker Leak current Installation Manual For Indoor Unit 30mA 1 30 20 2 5mm2 30 HDU 18HF03 30mA 1 40 36 4 0mm2 40 HDU 28HF03 HDU 18HF03 INDOOR UNIT TERMINAL BLOCK 1 L 2 N 3 4 Y G 1 2 3 4 5 N L POWER ...

Page 34: ...HAIER GROUP Qingdao Haier Air Conditioner Electric Co Ltd Address Haier Garden Qianwangang Road Economic Development Zone Qingdao Shandong 266500 P R C Web Site http www haier com ...

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