Service Manual
Contents
1. makes life better Outdoor Unit NE HR p P P ee ES EEN RN EET EAE ES EEF Model No AC CF40CM 1 0 makes life better PART LIST Indoor Unit No Part name Qty 1 Front grille assy 1 1 1 Air filter 2 2 Clap for grille 1 3 Front panel assy 1 4 Display panel 5 Display board 1 6 Left cover 7 Side cover for air out frame 2 8 Louver motor 1 9 Supporter for horizontal louver 3 10 Louver assy 1 11 Air out frame assy 1 12 Water collector assy 1 13 Left volute shell 2 14 Right volute shell 2 15 Centrifugal fan 2 16 Strengthen board for motor 1 17 Capacitor box 1 18 1 19 Middle beam 1 20 Evaporator temp sensor 1 21 Evaporator temp sensor 1 22 Right fixing board for evaporator 1 23 Protecting board 1 24 Evaporator 1 25 E parts box cover 1 26 Electric control assy 1 26 1 Terminal block 5p 1 26 2 Wire joint 1 26 3 Main control board 1 26 5 Electric part box 1 26 6 Transformer 1 27 Left separating board 1 28 Fixing board for middle beam 1 29 Chassis 1 30 Right separating board 1 31 Holder for remote controller 1 32 Remote controller 1 33 Left fixing board for evaporator 1 34 Holder for fan motor 1 35 Right fixing clamp for motor 1 36 Left fixing clamp for motor 1 37 Fan motor 1 38 Right cover 1 Model No AC CF40C2. makes life better Air Conditioner Service Manual makes life better MODEL AC CF40CM Version 1 0 makes life better 3 CONTENTS PRODUCT FEATURES terret tinere A bes ka 4 TECHNICAL SPECIFICATION cosida Sa 6 NOISE LEV Ello cnino taia 8 VELOCITY AND TEMPERATURE DISTRIBUTION enne en 9 OPERATION RANGE iii tee 11 NA ON 12 REFRIGERATION CYCLE DIAGRAM insere torte ein ono treten cone een cierras 13 ELECTRIC CONTROL FUNCTION ss e ees ied 14 TROUBLE SHOOTING Cr 19 WIRING DIAGRAM EE 22 INSTALLATION EET 24 SERVICING AND MAINTENANCE in oth Eten 39 EXPLODED IEEE 41 CEP 43 Model No AC CF40CM Version 1 0 makes life better 4 PRODUCT FEATURES 1 Convenient installation a The ceiling type can be easily installed into a corner of the ceiling even if the ceiling is very narrow b It is especially useful when installation of an air conditioner in the center of the ceiling is impossible due to a structure such as lighting Floor amp ceiling type 2 Double auto swing and wide angle air flow a flow directional control minimizes the air resistance
3. S core coble 3x 5mm a shall wire 1 0 5 E 24000Btu h 1 PHASE le pin ti and REDA aliya0bdix Air Conditioner Link circuit makes life better NUTDANR UNIT i INDMMR UNL a 2 L3LJLJL JL 3 POWER 220 240V core cable 3x22mm 24000Btu h 1 PHASE Air Conditioner Link circuit For R407C and R4104 Cooling only UNIT 24000 30000Btu h 3 PHASE Air Conditioner Link circuit For RAT and 0 Heat Model No 4 Version 1 0 makes life better MUTDAMA UNIT Model No 4 Version 1 0 35 UNIT POWER 369 wv N fs core Es iSnm 8 coble 3x10nn core shell mine 20 5 24000 30000Btu h 3 PHASE Air Conditioner Link circuit For RAQ7C and R410A Cooling only UNIT Aycore sheild sire wQ3mnn 30000 36000Btu h 1 PHASE Air Conditioner Link circuit Far and A Heating makes life better NUTDNNR UNIT 36 UNIT ESE D NI E 3 eee ja POWER EED E40V 29Hz 3 core coble Sxddmm E core cable 3 cor cubi 3z3 nm 30000 36000Btu h 1 PHASE Conditioner Link circuit For R407C and R410A Cooling INDNNR UNIT ws UNIT 36000 60000Btu h 3 PHASE Air Conditioner Link circuit Model No AC CFA0CM Version 1 0 For
4. 6 CWB 3 Actual noise level may differ depending on the room structure etc since these noise values are from an anechoic room Model No AC CF40CM Version 1 0 makes life better NOISE LEVEL EEEEEEEEEF Ceiling Low airflow 1 30000btu h 36000btu h 0 0002 bar 0 0002H bar i Audibility limits of continuous white sound Sound pressure level 0dB Octave band center frequency Hz Ceiling Model No AC CF40CM Version 1 0 High airflow Floor Sound pressure level dB 0dB continuous white sound Audibility limits f S Octave band center frequency Hz Floor makes life better VELOCITY AND TEMPERATURE DISTRIBUTION Discharge angle 60 CEILING Airflow velocity Temperature Model No AC CF40CM Version 1 0 makes life better Discharge angle 60 FLOOR Airflow velocity Temperature Model No AC CF40CM Version 1 0 5 10 makes life better 11 OPERATION RANGE Ensure the operating temperature is in allowable
5. 5 INDOOR OUTDOOR UNIT 5x25 5x25 OUTDOOR POWER WIRING CONNECTING STRONG ELECTRIC 3x15 1x15 WIRING SIGNAL mm WEAK ELECTRIC SIGNAL i Model No AC CF40CM Version 1 0 makes life better 32 c Wiring chart Installing wiring hart refer to link circuit chart for details Switch Fuse Available locally Power wiring indoor Power linking wiring Outdoor Indoor Unit A Outdoor ed Ground wiring Ground wiring Strong elec signal link wiring Weak elec signal link wiring e Ground the air conditioner properly in case to affect its anti interference function Caution The wiring chart of both cooling only type and cooling amp heating type in R22 R407C and R410A series are shown as follows When wiring please choose the corresponding chart or it may cause damage UNIT B rema s 4 21 Nk core shelld dre ixh5rm k E A ke 2 E 1 8000Btu h 1 PHASE ForRADIC and R Air Conditioner Link circuit Model No AC CF40CM Version 1 0 makes life better TIUTDITIR UNIT NUTDANR UNIT Model No 4 Version 1 0 33 INDNNR UNIT a Mines CUS PONER BBU E4UY mnax 2 a core coll 4 18000Btu h 1 PHASE aj ul DT For RANTC and RA10A Cooing oriy Air Conditioner Link circuit UNIT ce cable
6. 59 1123 10 87 Input kW 11 11 10 63 10 24 966 927 8 98 8 69 Model No AC CF40CM Version 1 0 makes life better REFRIGERATION CYCLE DIAGRAM Cooling only Indoor unit Outdoor unit Valve Sensor of room temp 8 Sensor of heat exchanger temp a Compressor Valve Capillary Model No AC CF40CM Version 1 0 WIH makes life better 14 ELECTRIC CONTROL FUNCTIONS Performance Index No Item Index 1 Applicable Voltage Range 185 253V 342 418 2 A C Frequency 50Hz 3 Working environment temperature 5 C 43 C Main Parts Introduction 1 Indoor Fan a High speed and low speed b Breeze speed for anti cold air 2 Outdoor Fan a High speed and low speed b Remark some model just have one speed 3 Buzzer a It will buzz when its driving port in the main chip outputs high level b It will buzz once when the main frame receives remote start up signal It will buzz once for 1 second when receiving turn off signal d Itwill buzz for 0 5 second once receiving other signal 4 Indicator a There are 4 indicators operating indicator timer indicator water level warning indicator defrosting indicator and pre heating indicator wind delivery indicator for cooling only A C b LED indicates errors when protection is in effective 5 Four way Valve It is controlled by relay
7. ROTC and R A HhalingliCoding makes life better UNIT UNIT Model No 4 Version 1 0 37 INDAME UNIT cci Y Li XTL 2 2 een xr otre ISI POWER SBDY 3N SdH S core cable D5xz Dmr S core cable 2 core cable 2xlSmm 36000 60000Btu h 3 PHASE Air Conditioner Link circuit For R407C and R4104 Cooling INDMMR UNIT Power angy 3N woHz 3 corw cohle 36000 60000Btu h 3 PHASE Air Conditioner Link circuit For R22 Haaiing amp Coding makes life better 38 INDMIMR UNIT rower 360 3N GIHZ S core cohie axzanrk Score cable ETE i cors cable 1 1 9 Eb gt az E E a Eb gt E 36000 60000Btu h 3PHASE Air Conditioner Link circuit For R22 Cooling 6 Test operation The test operation must be carried out after the entire installation has been completed Please confirm the following points before the test operation a b DODODO Oooo The indoor unit and outdoor unit are installed properly Tubing and wiring are correctly completed The refrigerant pipe system is leakage checked The drainage is unimpeded The ground wiring is connected correctly The length of the tubing and the added stow capacity of the refrigerant have been recorded The power voltage fits the rated voltage of the air conditioner There is no obstacle at the outlet and
8. The Signal Receiving Tone does Not Sound Symptom Checking items Cause No receiving tone sounds from the indoor unit even when the ON OFF button is pushed Check whether the signal transmitter of the remote controller is properly directed to the receiver of the indoor unit when the ON OFF button is pushed Direct the signal transmitter of the remote controller to the receiver of the indoor unit and then repeatly push the ON OFF button twice Buttons on the remote controller don t work Press Reset button 3 Clean CAUTION Please turn off your air conditioner and disconnect power supply before cleaning a CLEANING INDOOR UNIT O Use a dry to wipe the indoor unit A cloth dampened with cold water may be used if the indoor unit is too dirty Itis allowed to remove the front panel of indoor unit and clean it with water and ensure to wipe it up with a dry rag Note Do not use a chemically treated duster for wiping or leave such materials near the unit for long Do not use benzene thinner polishing powder or similar solvents for cleaning b CLEANING AIR FILTER O The air filter in unit can filter dust and other granules in air It may reduce the cooling effect that the air filter is covered with dust So clean the air filter often Model No AC CF40CM Version 1 0 makes life better EXPLODED VIEW Indoor Unit Model No AC CF40CM Version 1 0 42
9. Unit will select fan FAN SPEED SETTING the LCD is AUTO speed automatically when AUTO mode is selected Check if the mode display on The indoor Unit will select fan the LCD is DRY speed automatically when the unit is on DRY mode The transmission symbol does not flash Symptom Checking items Cause Press ON OFF button the Check if the remote controller When the battery was out remote controlling signals can not be transmitted has run out of power transmission signals can not be sent Temperature display disappear Symptom Checking items Cause Temperature Display does not light Check if the mode display on the LCD is FAN ONLY You can not set the temperature when the unit is on FAN ONLY mode Model No 4 Version 1 0 makes life better 40 The Display Goes Off Symptom Checking items Cause The indication the display disappears after a lapse of time Check whether the timer operation has come to an end when the OFF TIMER is indicated on the display The air conditioner operation stops since the set time elapsed The ON TIMER indicators go off after a lapse of certain time Check whether the timer operation is started when the ON TIMER is indicated on the display When the time set to start the air conditioner is reached the air conditioner will automatically start and the appropriate indicator will go off
10. and produces wilder air flow to vertical direction b The range of horizontal air discharge is widened which secures wider air flow distribution to provide more comfortable air circulation no matter where the unit is set up Model No 4 Version 1 0 makes life better 3 Water proof by utilizing the absorbing plastic film on water collector 4 Low noise level plus compact size a Shape of the blades has been improved to prevent noise caused by turbulence Model No AC CF40CM Version 1 0 makes life better TECHNICAL SPECIFICATION Power supply Ph V Hz 220 240V 50Hz Capacity Btu h 36000 Capacity kW 10 5 Cooling Input W 4100 Rated current A 18 6 EER Btu W h 8 8 Moisture Removal L h 3 6 Max input consumption w 6150 Max current A 28 Starting current A 58 Type Scroll Capacitor Btu h 39602 Input w 4000 Compressor Rated current RLA A 17 3 Locked rotor Amp LRA A 50 Thermal protector Internal type Capacitor uF 60uF 450V Refrigerator ml DAPHN E 685 1697 Input w 130 Indoor fan motor Capacitor uF 3 5 Speed hi lo R min 1250 940 Number of rows 3 Tube pitch a x row pitch b mm 25 4 x 22 Fin spacing mm 1 7 Indoor coil Fin type code Hydrophilic aluminium Tube outside dia and type mm 9 53 innergroove tube Coil length x height x width mm 905 2
11. b Drainage test Check whether the drainpipe is unhindered Q New built house should have this test done before paving the ceiling c Drain Elbow installation Cooling only type without Fit the seal into the drain elbow then insert the drain elbow into the base pan hole of outdoor unit rotate 900 to securely assemble them Q Connect the drain elbow with an extension drain hose Locally purchased In case of the condensate draining off the outdoor unit during the heating mode Seal Seal Drain elbow The base pan hole The base Drain of outdoor unit hole of cutdoor elbow Chart 15 Model No AC CF40CM Version 1 0 makes life better 30 5 Wiring a Please refer to the Wiring Diagram 1 The air conditioner should use separate power supply with rated voltage ii The external power supply to the air conditioner should have ground wiring which is linked to the ground wiring of the indoor and outdoor unit iii concerning electrical appliance v Be sure to locate the power wiring and the signal wiring well to avoid cross disturbance and their contact with connecting pipe or stop value body wiring work should be done by qualified persons according to circuit drawing A leakage protector should be installed according to the National Standard The wiring attached to this air conditional is 10m long Be sure to prolong it with wiring of the same type and proper length if necessary Generally d
12. gt Ts 1 c or Ta lt Ts 1 c lasts for 15 minutes meanwhile the compressor doesn t start up within consecutive 15 minutes the operation mode will be re chosen according to the Ta and Ts d Protective condition is active 7 Fan Only Mode a Under this mode four way valve compressor and outdoor fan shut down b High Low Auto fan can be switched over through manual control Auto fan will be controlled in line with cooling auto fan with temperature set to be 23 C c After entering fan mode the operating indicator is on If the model is cooling only mode fan indicator is on at the same time Model No 4 Version 1 0 makes life better 18 Other Functions 1 LED Display Operation lamp timer lamp defrosting pre heating lamp and water level alarm lamp a Operation Lamp When the operation is recovering it will blink at 1 Hz After the unit is on the lamp will keep on After the unit is off the lamp will be off When the unit is switched over from manual cooling to remote control the lamp will be off b Timer Lamp During timer operation it will be on c Defrosting Pre Heating Lamp When heat pump model performs defrosting or anti cold air it will be on 2 Timer Refer to remote controller manual for detail operation Note The timer is valid for one operation of the A C Model No AC CF40CM Version 1 0 makes life better 19 TROUBLE SHOOTING 1 Protective Function a 3 minute delay for
13. if a Model No 4 Version 1 0 Only in heating mode when current is higher than 1 51 then outdoor fan will shut off When compressor current is less than 1 31 then restart outdoor fan and recover operation When current is higher than 1 51 and time is up to 20seconds compressor and outdoor fan will shut down At the same time cut down outdoor protection communication wiring protection malfunction will be indicated by indoor unit and 3minutes later restart compressor makes life better 20 c Evaporator protection against high temperature heating mode Only available to heating mode including heating mode heating operation under auto mode Note During protection the indoor fan continues operating at a setting speed while the anti cold air function of heating and the compressor will be 3 minute delayed to shut down for protection d Evaporator Protection against low temperature cooling mode i When the evaporator pipe temperature lt 39 and this lasts for 3 minutes the compressor and outdoor fan will be shut off ii When the evaporator pipe temperature 79 it recovers iii The restart of the compressor shall execute the delay protection e Anti cold air protection Only available to heating mode including heating mode heating operation under auto mode f Condenser high temperature protection 1 Only available to cooling incl cooling mode cooling operation under auto mod
14. the compressor start up At the beginning of energizing or after the stop of the compressor 3 minute delay will be needed to start the compressor When switchover between cooling heating mode the compressor stops automatically b Compressor current overload protection 1 3HP and 4HP 1N compressor current examination and action I3 dow D 3 seconds later the compressor outdoor fan close down 5 minutes later the compressor outdoor fan close the outdoor fan works only when heating Remark le rating current 1 3 time Ie I 1 5 time le 1 2 0 time Ie a The compressor and outdoor fan closed for protection purpose will restart after 3 minutes During the protection the indoor fan continues working in a set speed while the anti cold air function when heating and the compressor will be 3 minutes delayed to shut down for protection When there are 4 times compressor protection within one hour the A C will be shut down meanwhile the operation light and timer light will be turned on the defrosting light flashes in a frequency of 0 5Hz This situation will be recovered only when power is switched off ii If AC don t check the compressor current through electric control system then use compressor self current protection iii 4HP 3N and 5HP compressor current is checked by outdoor main board protection principle is as following In any case after the compressor starts
15. with block Position the indoor unit in a flat level by using the level indicator unless it may cause leakage Screw nut Overhang part Hangin SOS bolt c Dimension Capacity Btu h A B D E 1800Btu h 980 864 12 7 6 35 2400 30000Btu h 1200 1084 16 9 53 30000 36000Btu h 1200 1084 19 12 7 48000 60000Btu h 1860 1744 19 12 7 Model No 4 Version 1 0 25 makes life better Chart for wall mounting installation A 237 4 220 D Connecting point of refrigerant pipe D gas side ab Drain point E Connecting point of refrigerant pipe E Liquid side 009 OSE Model No AC CF40CM Version 1 0 makes life better 26 Chart for Ceiling Installation 236 Z F AS sel o i Drain point L Y E E D Connecting point of refrigerant pipe E Connecting point of D gas side refrigerant pipe B E Liquid side Z it i x 2 Installoutdoor unit a Caution 1 K
16. 03 66 Number of circuits 5 Indoor air flow Hi Lo h 1400 1200 Indoor noise level Hi Lo dB A 49 43 Dimension W H D mm 1860 600 220 Indoor unit Packing W H D mm 1984 730 370 Net Gross weight kg 32 40 Input w 290 Outdoor fan motor Capacitor uF 10 Speed R min 850 Number of rows 2 Tube pitch a x row pitch b mm 25 4 x 22 Fin spacing mm 1 7 Outdoor coil Fin type code Unhydrophilic aluminium Tube outside dia and type mm 09 53 bare tube Coil length x height x width mm 715 x 1220 x 44 Number od circuit 4 Outdoor air flow M h 6000 Outdoor noise level dB A 62 Dimension W H D mm 990 x 960 x 360 Outdoor unit Packing W H D mm 1120 x 1090 x 435 Net Gross weight kg 99 104 Model No 4 Version 1 0 makes life better Refrigerant type R407C g 2700g Design pressure MPa 2 8 1 2 Liquid side inch 19 3 4 012 7 1 2 Max refrigerant pipe length m 25 Max difference in level m 10 Connection wiring NO Plug type NO Controller Remote Operation temp ue 17 30 Ambient temp C 18 45 Application area m 60 85 Qty 20 40 40HQ Pc 28 66 76 Note 1 Nominal cooling capacities are based on the following conditions a Indoor temp 27 CDB 19 CWB b Outdoor temp 35 CDB 2 Nominal heating capacities are based on the following conditions a Indoor temp 20 CDB b Outdoor temp 7 CDB
17. L 1 x 0 5mm I Model No AC CF40CM Version 1 0 makes life better 31 18000Btu h 24000Btu h 24000 36000Btu h TYPE For R407C and For R407C and For R407C and R410A cooling R410A cooling R410A cooling only only only PHASE 1 PHASE 1 PHASE 3 PHASE pole NDVOLE 220 240V 50Hz 220 240V 50Hz 380V 3N 50Hz CIRCUIT BREAKER FUSE A 30 25 40 25 20 15 INDOOR UNIT POWER WIRING 3x20 3 25 5x15 mm GROUND WIRING 2 0 2 5 1 5 INDOOR 4 2 0 3 2 5 5x 1 5 OUTDOOR POWER WIRING CONNECTING STRONG WIRING ELECTRIC 2 1 0 3 1 0 mm SIGNAL WEAK 2 core shield wire ELECTRIC 2 05 SIGNAL 30000 36000Btu h 36000 48000Btu h TYPE For R407C and R410A For R407C and R410A cooling only cooling only PHASE 1 PHASE 3 PHASE ee 220 240V 50Hz 380V 3N 50Hz CIRCUIT BREAKER FUSE A 40 25 25 15 INDOOR UNIT POWER WIRING mm 3 3 0 252 9 GROUND WIRING 3 5 25 INDOOR OUTDOOR UNIT 3 x 3 0 5x25 OUTDOOR POWER WIRING CONNECTING STRONG ELECTRIC 2x10 2x15 WIRING SIGNAL mm WEAK ELECTRIC SIGNAL i i 36000 60000Btu h 36000 60000Btu h TYPE For R22C Heating amp For R22C Heating amp cooling cooling PHASE 3 PHASE 3 PHASE DU VOLQUENCY 380V 3N 50Hz 380V 3N 50Hz CIRCUIT BREAKER FUSE A 25 15 25 15 INDOOR UNIT POWER WIRING mm 5x2 5 5x2 5 GROUND WIRING 2 5 2
18. M Version 1 0 43 makes life better Outdoor Unit No Part name Qty 1 1 Clamp for front net 10 2 Front clap board 1 3 Propeller fan 1 4 Fan motor 1 5 Holder for fan motor 1 6 Top cover 1 7 Condenser I 1 Condenser II 1 8 Left clap board 1 9 Rear net 1 10 Big handle 1 11 Rear right clap board 1 12 Separating board 1 13 Installation plate for valves 1 14 Chassis 15 Front right clap board 1 16 contactor 1 17 Fan motor capacitor 1 18 Connector 1 19 Washer for wire joint 1 20 Wire joint 5p 1 21 Installation board for E parts 1 22 Clamp for wiring 1 23 Refrigerant container 1 24 Fixing clamp container 1 25 Liquid pipe valve 1 26 Gas pipe valve assy 1 27 Compressor 1 28 Copper nut TLM C03 1 29 Copper nut 05 1 Model No AC CF40CM Version 1 0 44 makes life better
19. corresponding actions will be taken accordingly upon the receipt of the remote signal On entering this mode the buzzer will buzz for 0 5 second and the indicator on The system will operate under the auto mode whose temperature is set to be 24 C and at the same time the wind grille will swing automatically Under this mode corresponding protections are in effective Push manual pad to end this mode and switch over to manual cooling mode 2 Heating Mode a Four way valve opens at once while defrosting process closes b Condition for the compressor action Ts set temperature Ta room temperature Condition Compressor Outdoor fan Room temp up Ta Ts 4 C Off Off Ta lt Ts 4 C On On Room temp down lt Ts 3 C On On Ta gt Ts 3 C Off Off c Indoor Fan Action 1 ii Fan speed among high low auto anti cold air function takes priority Anti cold air Switchover between fan speed and fine tune can be set according to temperature of evaporator pipe Condition Indoor Indoor exchanger temp fan speed Indoor T 25 C Off exchanger 25 C T 32 C Breeze temp up gt 32 Setting fan speed Indoor T gt 30 C Setting exchanger fan speed temp down 15 C lt T lt 30 C Breeze T lt 15 C Off During anti cold air period if indoor fan is shut down then pre heating defrosting lamp is on Once indoor fan starts pre heating defro
20. ction Protection of pressure On On On c LEDs for the indication of outdoor trouble 4 7 HP 3 phase Type Contents LED2 LED3 Protection Phase sequence Flash Off Off Protection Lack of phase Flash Off Off Protection Protection of pressure Flash Flash Off Protection Overload of current Off Off Flash Protection Open circuit and short circuit trouble of T3 Off Flash Flash Protection Open circuit and short circuit trouble of T4 Off Flash Off Protection High temperature protection of condenser Flash Flash Flash Model No AC CF40CM Version 1 0 makes life better 22 WIRING DIAGRAM Indoor Unit DISPLAY BOARD INDOOR WIRING DIAGRAM cope PART NAME XP 1 3 4 CONNECTORS EC SANG MOTOR E TO OUTDOOR UNIT POWER Model No AC CF40CM Version 1 0 makes life better 23 Outdoor Unit WIRING DIAGRAM OUTDOOR UNIT CODE PART NAME CONTACTOR FAN2 OUTDOOR FAN COMP COMPRESSOR cart free enc TO INDOOR UNIT Model No AC CF40CM Version 1 0 makes life better 24 INSTALLATION 1 Installation of indoor unit a Wall Mounting Installation Please use the level indicator when install the unit on the floor by wall mounting Keep the unit perpendicular to the floor Use inlay screw blot or flaring screw bolt to install Inlay Screw Bolts GBP Inlay Screw Bolts b Ceiling Installation Overhang the indoor unit onto the hanging screw bolts
21. e and dehumidifying mode ii Delay protection should be performed when the compressor restarts g Outdoor protection Only 3HP has outdoor protection function Model No 4 Version 1 0 21 makes life better 2 Self diagnosis a Indoor unit No Type Contents LED Flashing Remark 1 Protection Over current protection of the Lamps of operation Whole unit is shut compressor occurs 4 times in 1h timer defrosting only down It cannot fan flashing recover unless simultaneously at 5Hz power is cut off 2 Protection Outdoor protection absent All lamps flashing at Recover phrase phrase sequence and 5Hz automatically temperature protection after errors are 3 Error Room temperature sensor Timer lamp flashing at eliminated For checking channel is abnormal 5Hz T3 malfunction of 4 Error Evaporator sensor checking Operation lamp flashing 5HP can t recover channel is abnormal at SHz automatically 5 Error Condenser sensor checking Defrosting lamp flashing channel is abnormal at 5Hz 6 Error Temperature fuse is Operation lamp and melt reserved timer lamp flashing at 5Hz b LEDs for the indication of outdoor trouble 3 3 5HP 3 phase Type Contents LED1 LED2 LED3 Normal Ok Off Off On Protection Phase sequence error On Off On Protection Overload of current Off On On Protection Lack of phase On On On Prote
22. eep this unit away from direct radiation of the sun or other heaters If unavoidable please cover it with a shelter ii In places near coast or with a high attitude where the wind is strong please install the outdoor unit against the wall to ensure normal performance iii Use a baffle when necessary iv In the case of extremely strong wind please prevent the air from flowing backwards into the outdoor unit Refer to chart 10 Locate the outdoor unit as close to the indoor unit as possible vi The minimum distance between the outdoor unit and obstacles described in the installation chart does not mean that the same is applicable to the situation of an airtight Leave open two of three directions and Model No AC CF40CM Version 1 0 makes life better 27 b Necessary room for installation and maintenance Refer to chart 11 Remove the obstacles nearby to prevent the performance from being impeded by too little of air circulation Leave open two of the three direction A B and C Wall or obstacle Air inlet HI Chart 11 Moving and installing 1 Since the gravity center of this unit is not at its physical center be careful when lifting it with a sling ii Never hold the air in of the outdoor unit to prevent it from deforming iii Do not touch the fan with hands or other objects iv Do not lean it more than 45 and do not lay it sidelong v Fasten the feet of this unit with bolts firmly to prev
23. ent it from collapsing in case of earthquake or strong wind vi Make concrete foundation Refer to chart 12 Deep Necessary width foundation Chart 12 3 Refrigerant pipe connecting Check whether the height drop between the indoor unit and outdoor unit The length of refrigerant pipe and the number of the bends meet the following requirement The max height drop 10m If the height drop is more that 10m the outdoor unit should put above the indoor unit O The length of refrigerant pipe less than 30m The number of bends less than 10m Model No AC CF40CM Version 1 0 makes life better 28 a Piping connection 1 Measure the necessary length of the connecting pipe and make it by the following way Q Connect the indoor unit at first then the outdoor unit Bend the tubing in proper way Do not harm them CAUTIONS Daub the surfaces of the flare pipe and the joint nuts with frozen oil and wrench it for 3 4 rounds with hands before fasten the flare nuts sure to use two wrenches simultaneously when you connect or disconnect the pipes Tubing size Torque 6 35 1420 1720N cm 144 176kgf cm 9 52 3270 3990N cm 333 407kgf cm 12 7 4950 6030N cm 504 61 6kgf cm 16 6180 7540N cm 630 770kgf cm 19 9720 11860N cm 990 12106kgf cm The stop value of the outdoor unit should be closed absolutely as original state Every time you connect it first loosen the nuts at
24. inlet of the outdoor and indoor units The gas side and liquid side stop values are both opened The air conditioner is pre heated by turning on the power According to the user s requirement install the remote controller when the remote controller s signal can reach the indoor unit smoothly Test operation Indoor unit Q Whether the switch on the remote controller works well Q Whether the buttons on the remote controller works well Q Whether the air flow louver moves normally Q Whether the room temperature is adjusted well Q Whether the indicator lights normally Q Whether the drainage is normal Q Whether there is vibration or abnormal noise during operation Outdoor unit Q Whether there is vibration or abnormal noise during operation Q Whether the generated wind noise or condensed of by the air conditioner have influenced your neighborhood Q Whether any of the refrigerants is leaked Model No AC CF40CM Version 1 0 makes life better SERVICING AND MAINTENANCE 1 Troubles and Solutions 39 If any the following abnormal conditions occur turn off the power supply immediately Please contact our dealer TROUBLES Indicator lamps flash rapidly after your disconnecting and connecting the unit the situation is the same Fuse or circuit breaker work frequently Foreign matter or water has fallen into the unit Remote controller is disabled or the switch is out of hand Any
25. ipe is over 5m the quantity to be added is as follows unit in gram Connective pipe Additional amount of refrigerant to be length Air purging method changed Sin Use refrigerant of outdoor unit Ovet Sm Use vacuum pump or 30g length 5m capacity 20000btu h refrigerant cylinder 65g length 5m capacity gt 24000btu h Model No 4 Version 1 0 makes life better 29 4 Connect the drain pipe a Install indoor unit drain pipe The outlet has PTI screw bread Use sealing materials and pipe sheath fitting when connecting PVC pipes Cautions The drain pipe of indoor unit must be heat insulated or it will condense dew as well as the connections of the indoor unit Q Hard PVC binder must be used for pipe connection and make sure there is no leakage Q With the connection part to the indoor unit be noted not to impose pressure on the side of indoor unit pipes Q When the declivity of the drainpipe downwards is over 1 100 there should not be any winding The total length of the drainpipe when pulled out traversal shall not exceed 20m when the pipe is over long A prop stand must be installed to prevent winding Refer to the figures on the right for the installation of the pipes Put as deep as possible about 10cm Bend 5 shape x Insulating Downward declivity material lower than 1 100 Downward declivity lower than 1 100 VP30
26. losed b Conditions for the compressor and outdoor fan action Ts set temperature Ta room temperature Condition Compressor Outdoor fan Room temp up Ta gt Ts 1 On On Ta lt Ts 1 Off Off Room temp down Ta gt Ts On On Ta lt Ts Off Off c Action of Indoor Fan 1 HIGH LOW AUTO fan be switched over for your comfort ii Auto fan under cooling mode Condition T Indoor Temp Setting Indoor fan speed Temp Temp up T lt 4 C Low T gt 4 C High Temp down gt 1 C High lt 19 Low S Dehumidifying Mode a Dehumidifying mode is the cooling operation under which the indoor fan is high and outdoor fan is low b Protective condition is active 6 Auto Mode a Under auto mode the indoor fan is set to be auto refer to auto fan under cooling heating b When entering auto mode the heating fan only or cooling operation will be automatically chosen according to the room temperature Ta and the set temperature Ts 1 When Ta lt Ts 1 c it performs the heating operation with set temperature of Ts 1 c refer to the heating mode However the cool only model will be in low fan ii When Ts 2 c gt Ta Ts 19 control according to cooling auto fan with a set temperature of 23 c iii When Ta gt Ts 2 c it performs the cooling operation with a set temperature of Ts refer to the cooling mode c After one mode is chosen if the condition Ta
27. o not twist two wiring together unless the joint is soldered well and covered with insulator tape b specification of power Do not turn on the power until you have checked carefully after wiring 18000Btu h 24000Btu h 24000 36000Btu h TYPE For R407C and For R407C and For R407C and R410A Heating R410A Heating R410A Heating amp cooling amp cooling amp cooling PHASE 1 PHASE 1 PHASE 3 PHASE MO 220 240V 50Hz 220 240V 50Hz 380V 3N 50Hz CIRCUIT BREAKER FUSE A 20 16 40 25 20 15 INDOOR UNIT POWER WIRING 2 3x2 5 5 1 5 mm GROUND WIRING 2 0 2 5 1 5 INDOOR OUTDOOR UNIT 5x2 0 3x2 5 5x1 5 POWER WIRING OUTDOOR STRONG CONNECTING ELECTRIC 5 2 0 3x1 4 x 1 0 WIRING SIGNAL 3 x 2 0 2x1 3 x 1 0 mm NEAR 1 shield wire 2 core shield wire 2 core shield wire ELECTRIC 1 x 0 5mm 2 x 0 5mm 2 0 5 SIGNAL 30000 36000Btu h 36000 60000Btu h TYPE For R407C and R410A For R407C and R410A Heating amp cooling Heating amp cooling PHASE 1 PHASE 3 PHASE 220 240V 50Hz 380V 3N 50Hz CIRCUIT BREAKER FUSE A 40 35 40 20 INDOOR UNIT POWER WIRING mm 3 x 3 0 5 x 1 5 GROUND WIRING 3 0 1 5 INDOOR OUTDOOR UNIT 3x30 5x15 OUTDOOR POWER WIRING i CONNECTING STRONG ELECTRIC 5 3 WIRING SIGNAL 3 1 2 1 mm WEAK ELECTRIC 1 shield wire SIGNA
28. oor fan acts according to anti cold air function Defrosting pre heating lamp continues to be on until indoor fan starts up b The defrosting of 4 7HP 3N is processed by outdoor control board 1 111 Defrosting Conditions any of the following conditions is met Q Under indoor pipe high temperature protection in heating mode accumulated operating time is up to 90 minutes if outdoor fan is off and compressor cut down time again a When 4 2 8 1min process the normal defrost mode compressor operates continue 40 minute the accumulated time up to 40 minutes when pipe temperature sensor T3 lt 2 C if compressor is off time again when defrosting ends check T4 again Defrosting Action Q When defrosting the outdoor four way valve is power off defrosting valve is power on outdoor fan is off compressor operate continue indoor fan operates according to anti cold air condition in heating mode If indoor fan is to be off cut down the electric auxiliary heater and after 15 seconds cut down indoor fan Ending Action of Defrost any of the following conditions is met a Time of defrosting reaches 10 minutes Q Temperature of outdoor coil T3 is up to 20 C Ending Action of Defrost Q Operate in normal heating mode After defrost stops indoor fan starts to operate according to anti cold air condition Model No AC CF40CM Version 1 0 makes life better 17 4 Cooling Mode a Four way valve is c
29. other unusual conditioner is observed If any of the following conditions occur check your unit and resolve corresponding problems referring to given remediation If the trouble can t be settled contact our dealer Trouble Cause Solutions Unit does not start Power failure Wait for the comeback of power Power switch is open Switch on the power Fuse of power switch may have blown Replace the fuse Batteries of remote controller are exhausted Replace the batteries The time is not start up time you have set Wait or cancel the time set Air flowing Temperature is not set correctly Set the temperature properly normally with low Door or window is open Close door and window cooling heating Air filter is blocked with dust or dirtiness Clean the air filter effect Inlet outlet of indoor outdoor units are blocked Clear all blockages Inlet outlet of indoor outdoor units are blocked Clear the blockage then restart your operation Be in 3 minutes protection of compressor Wait NOTE Do not replace electric wire or repair the air conditioner by yourself to avoid possible danger 2 Troubles and solutions concerning the remote controller Please make the following check before asking for repair or maintenance Trouble Cause Solutions CAN NOT CHANGE THE Check if the mode display on The indoor
30. range Cooling only Cool i ng 52 O WALL Y A ES gt STD D V v m 17 7 17 24 30 Indoor tenp C Heat pump Hati Cool i ng 17 Y J 52 7 45 7 7777 7 2 7 2 sp 5 5 17 Z lt 2 7 7 LL 7 2 17 24 30 17 24 30 Indoor tenp C Indoor tenp Model No 4 Version 1 0 makes life better CAPACITY TABLE COOLING OUTDOOR TEMPERATURE DRY Indour 21 25 30 C 35 C 40 C 45 C 50 C Conditions Total capacity kW 10 19 9 75 939 886 8 51 824 7 98 21 C D Sensitive capacity eee is 815 780 751 709 681 6 59 638 Input kW 258 295 332 369 406 443 4 80 Total capacity kW 11 16 10 68 10 29 9 71 932 9 03 8 74 24 C D Sensitive capacity bw 893 854 823 7 76 745 722 6 99 Input kW 273 312 3531 390 428 467 5 06 Total capacity kW 12 13 11 61 11 18 10 55 10 13 981 9 50 27 C D Sensitive capacity 9 71 928 895 844 810 7 85 7 60 Input kW 2 87 328 369 410 451 492 5 33 Total capacity kW 13 95 1335 12 86 12 13 11 65 1128 10 92 5 Sensitive capacity 1380 13 28 12 80 12 08 11
31. s Operation Modes and Functions 1 Manual Operation a The manual operation mode is controlled through manual pad in the wind in take grid including such two modes as manual action and manual cooling Push the manual pad for each switchover the order for which is shown below REMOTE CONTROL MANUAL ACTION MANUAL COOLING Model No 4 Version 1 0 makes life better 15 b Manual Cooling 1 ii iii Under this mode no remote control signal will be received The compressor is started up unconditionally and the rotating speed of indoor and outdoor fans is set to be in high and forced cooling operation Under this mode the buzzer will buzz twice with each lasting 0 5 second at 0 5 interval During the first 30 minutes of unconditional forced cooling operation the operation indicator will blink at 0 5Hz In the process of switchover to manual action mode the buzzer buzzes for 0 5 second and the indicator is illuminated Under this mode the corresponding protections are in effective 3 minute delayed start up over current outdoor protection and evaporator low temperature protection Corresponding protection will act once any protection is in active Push manual pad once to end this mode and enter the remote control pending status The buzzer will buzz for 1 second and the indicator turn off c Manual Action 1 iii iv Under this mode the remote signal will be received and
32. sting lamp will be off Model No AC CF40CM Version 1 0 makes life better 111 16 Auto fan of indoor fan under heating mode Condition T Indoor Temp Setting Indoor fan speed Temp Room temp up 3 C High gt 3 Low Room temp down gt 19 Low lt 1 C High 3 Defrost only available to heating mode a defrosting of 1 3HP 4HP 1N is processed by indoor control board 1 111 Defrosting Conditions Low temperature defrosting condition Accumulated operating time when temperature of outdoor heat exchanger Coil T3 is below 29 reaches up to over 40 minutes High temperature defrosting condition Under high temperature protection of evaporator the time when outdoor fan is shut down but compressor is not has been accumulated for up to 90 minutes It is considered that defrosting is performed when either 3 3 1 1 or 3 3 1 2 is met Defrosting Action Four way valve and outdoor fan are shut down Indoor fan operates according to anti cold air function Compressor keeps on continuously Ending Of Defrosting Condition It is considered that defrosting condition is ended when any of the conditions is met Operating current of compressor reaches 1 51 a Time of defrosting reaches 10 minutes Q Temperature of outdoor coil T3 is up to 20 C Ending Action of Defrost Q Outdoor fan and four way valve are open Q Compressor keeps on continuously Ind
33. the part of stop value then connect the flare pipe immediately in 5 minutes If the nuts have been loosened for a long time dusts and other impurities may enter the pipe system and may cause malfunction later So please expel the air out of the pipe with refrigerant before connection Expel the air after connecting the refrigerant pipe with the indoor unit and the outdoor unit Then fasten the nuts at the repair points ii Locate The Pipe Drill a hole in the wall suitable just for the size of the wall conduit then set on the fittings such as the wall conduit and its cover a Bind the connecting pipe and the cables together tightly with binding tapes Do not let air in which will cause water leakage by condensation Q Pass the bound connecting pipe through the wall conduit from outside Be careful of the pipe allocation to do no damage to the tubing iii Connect the pipes iv Then open the stem of stop values of the outdoor unit to make the refrigerant pipe connecting the indoor unit with the outdoor unit in fluent flow v Be sure of no leakage by checking it with leak detector or soap water vi Cover the joint of the connecting pipe to the indoor unit with the soundproof insulating sheath fittings and bind it well with the tapes to prevent leakage b Additional charge When the length of the one way pipe is less than 5m additional refrigerant charge after vacuuming is not necessary When the length of one way p
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