SERVICE MANUAL
Contents
1. n 2 3 4 5 6 7 n BEEP PKMI3EPY 4002 suzi m R65 Ru TOR TOR R13 10K R12 14007 3 2 100 Los D Tu 100 a ES pip g 1 10K n E INAOUT 25c2412 c36 4 7k T Es 2 nr 20OUFS 3 a REV 1 OSC2A12 8 ni zi cio 01710053 RTBLS2P BAP VELA o im v n 19 aie 8 m 5 ta 100u 16v 04 504 100u 16v 2 me 8 pTH1 KBD3 RAS IK E 2 10 PTB2 ATD2 E 19 prin KbpA PTB3 ATD3 m R5 TUE S0 f 4 7uE 50v 2 cs vss GND2. 13 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 Mia tere H2SM 18HC03 R2 BRIEF INTRODUCTION TO ELECTRICAL CONTROL FUNCTION Haier one Temperature Control Function In temperature control function the operation frequency of outdoor unit is determined based on room temperature and the set temperature In automatic fan speed mode indoor fan is controlled based on the need of temperature control In heating mode indoor fan is controlled based on the temperature of coil 1 1 1 Specification of Indoor Ambient Temperature Sensor In case of short circuit or open circuit indicator lamp alarms and indoor fan stops When normal condition is resumed fan will automatically restart and operate normally Short Circuit Temperature over 126 C Hexadecimal System over F8H Resistance below 0 65 Voltage over 4 85V Normal Temperature Temperature 25 C Hexadecimal System 40H Resistance 23K Voltage 2 33V Open Circuit Temperature below 31 C Hexadecimal System below 08H Resistance below 620K Voltage below 0 15V B Parameter 4200 R 25 23K 1 1 2 Specification of Indoor Coil Temperature Sensor B Constant Number 3700 R 25 C 10K 9 1 1 3 When heating operation starts and indoor fan stops or when within 30s of indoor fan
3. 1110 60 990 55 50 Power Watts 830 LLL 45 C 53 60 i 47 55 C 50 Current Amps edad gt 45 70 0 50 33 63 6 60 4 60 C 57 2 54 0 50 8 47 6 444 41 2 4 38 0 d Flow Kg Hr Evaporatin 7 rature C Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 DESCRIPTION DIMENSION amp FUNCTION OF MAIN COMPONENTS AND ACCESSORIES Haier Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 Description andfunction ofmain componentsand accessories Indoor Unit Tou reU 10 11 Outdoor Unit 1 2 Inlet Connection pipe and electric wiring Drain Hose Inlet Grill Anion Generator inside Air Filter Swing louver It can be adjusted to upward or downward with the remote controller only Do not adjust it manually Power or Healthy Operation Indicator After the air conditioner is started this indicat
4. When connecting the cable after installing the indoor unit e Insert cable and signal wire from outside of pipe hole in which pipe has already existed Pull out the cable on the front side and connect the cable making a loop When connecting the cable before installing the indoor unit Insert the cable from the back side of the unit then pull it out on the front side Loosen the screws and insert the cable ends fully into terminal block then tighten the screws 000000 0000 Pull the cable slightly to make sure the cables have been properly inserted and tightened light LA e After the cable connection never fail to fasten the connected cable with the wiring cover Note When connecting the cable confirm the terminal number of indoor and outdoor units Al carefully If wiring is not correct proper operation can not be carried out and will cause defect YEL GRN e RED O WHT BLK 2 30 aje 5 5 o gt YEL GRN 2220 RED RED WHT BLK el e el 3 ar BLK WH
5. Domestic Air Conditioner SERVICE MANUAL Models H2SM 14HC03 R2 H2SM 18HC03 R2 Features Comfortable wide angle airflow Health air purifying Quiet operation Engergy efficient Wide variety of functions Serial Number Versio n 00 00 Edition 2005 3 25 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 Content 1 Description of product model coding and series introduction 2 Specifications 3 Curves of performance 4 Description net dimensions and functions of main components and accessories 5 Brief introduction to electrical control functions 6 Abnormity diagnose 7 Wiring diagram 8 Circuit diagram 9 Trouble shooting 10 Refrigerating cycle diagram 11 Noise level test chart and air veloaty distribution 12 Installationmanual Model H2SM 14HC03 R2 H2SM 18HC03 R2 Domestic Air Conditioner Description of product model coding and series introduction Domestic Air Conditioner Model
6. 3 On Drainage e Please install the drain hose so as to be downward slope without fail Please don t do the drainage as shown below L q V EA 4 Less than 5cm y y Z 2 It becomes high midway The end is immersed It waves The gap with the ground There is the bad smell in water is too small from a ditch e Please pour water in the drain pan of the indoor unit and confirm that drainage is carried out surely to outdoor e In case that the attached drain hose is in a room please apply heat insulation to it without fail Check for Installation and Test Run e Please kindly explain to our customers how to operate through the instruction manual Check Items for Test Run Put check mark v in boxes L Gas leak from pipe connecting O Is drainage securely carried out Is the lamp normally lighting Heat insulation of pipe connecting L Is the earth line securely O Are cooling and heating when in heat pump performed normally regulator normal O Are the connecting wirings of connected indoor and outdoor firmly inserted Is the indoor unit securely fixed Is the operation of room temperature to the terminal block L Is power source voltage abided Is the connecting wiring of indoor by the code and outdoor firmly fixed Is there any noise 54 Leave at Least 50mm between the top of the unit and the ceiling e Paper Pattern for Indoor Unit
7. 6T 04 PTC5 GA gt 3 2 AVSS VRE GND e 3 ees cm 4 a 1 038 5 vssa PTC2 MCLK 52 ES 102 8501 PTD7 53 mat sv 6 C25 PTD6 TACLK SO Prco PTDS E 102 50V 10 mz osci Sy SOX 4 11027 R10 10K E 5 CAT 102 50V 51 canc 5 5 sms s 11026 g C4 R87 100u 25v 0275 EM 103 SZ 1027507 T 10 3 13 osc2 I m car 2 mele vient SU a 2 VDDA 1 5 PISTE PTE6 MOSI CE s 22K 1 4 y 7 PTE2 TACHO 6 E ls os UR 1 2 la DEA pot ONE u L PTG2 KBD2 PTET SPSC 2 PTE3 TACHI 2 2 R80 TLP371 B 10K PTE4 SS PTEL TACH3 T 5 R39 176 PTES MISO VDDAREF RIT 560 1 4W ZA 1 4JC 2 ae PTG0 KBD0 PTD3 4 1 8 AA PTGL RBDI PTD2 j ES 35 PTDI J 4 PTB1 ATDI 5 N TOR PIDO 2 2K 4 5 PTD6 ATD6 D PTBo ATDS i R20 10K LE RBA 6 sk al PAO prc GREEN 910 4 E T PTD4 19 C4 PTBO ATDO mi QS MC68HC908AB32 R25 red 10K A A vr cone TETTIE 1 2 3 4 5 6 7 8 Haier 37 QI 4 411 O 500 metal ail 20 40 o AS 38 r Domestic Air Conditioner Model H2SM 14HC03 R2 are 9 H2SM 18HC03 R2 TROUBLE SHOOTING 39 Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 Trouble shooting Before asking f
8. 5 1 When one of the indoor units gives out a cooling signal and another unit gives out a heating signal at the same time the outdoor fan operates at the low speed 5 2 When the indoor unit gives the value of coil temperature the outdoor fan runs at the low speed if the heating outdoor unit judges high load 5 3When outdoor ambient temperature T1 28 C there is no heating operation 5 4When outdoor ambient temperature T1 7 C there is no cooling operation 5 5 a compressor starts the other compressor will not start in 20 seconds from the start 6 Single unit heating operation with heat load 6 1 In the single unit heating operation the indoor unit gives out the value of the coil temperature and the outdoor unit judges whether to start in the high load protection operation 22 Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 based on the value of the coil temperature it has received If the conditions for high load protection are met the outdoor fan stops immediately It will restart 45 seconds later if the signal for the outdoor heat load disappears Otherwise the outdoor fan will continue to stop until the signal for the outdoor heat load disappears The signal for heat load is as follows High temperature protection When the indoor coil temperature higher than T_OFS 56 C the outdoor fan stops when the coil temperature falls to T_OFR 52 C the outdoor fan restarts The outdoor
9. H2SM 14HC03 R2 H2SM 18HC03 R2 A Description of coding rules of unit model 0219 61 amp amp 9 The type of power supply Developing sequence C cooling only Function code sea pump e electric aided heating numbers based on thousand unit The structure code of indoor amp outdoor unit The quantity of the indoor unit is two H Abbreviation of Haier Examples H2SM 18HB03 R2 lt represents wall mounted multi type split type room air conditioner The cooling capacity is 18000BTU h and the power supply is 220 230V 50Hz B means the improvement B Standard Situation Conditions outdoor air status WB C Norminal electrical heating Domestic Air Conditioner Model H2SM 14HC03 R2 Mis ee H2SM 18HC03 R2 C Series brief introduction 1 comfortable wide angle airflow The vertical dual flap and horizontal wide angle louvers ensure the cool warm air reaches every corner of the room 2 Health air purifying and negative ion function An air purifying filter with deodorizing and disinfecting functions keeps the air clean and users healthy The negative ion generator can produce the negative ion that make the air fresher and cleaner 3 Quiet operation Fan With Random pitched Blades Random pitched blades help reduce operating noise while maintaining a high airflow rate 2 Engergy efficient The design of inner grooved cop
10. Raroa Class of electric shock Operating voltage range 220 230 10 V Class I protection Climate type Piling layers for indor out door Variation of temp adjust E 8 4 units 42 39 35 db h 62 60 58 4B A Net dimensions of indoor unit 795X 182X265 mm Net dimensions of outdoor unit 3810X680X 288 mm Packaged dimensions of indoo Packaged dimensions of outdoor 865 X 272 330 mm 960X760X 406 mm unit unit Indoor unit net gross weights l0 4 ka Outdoor unit net gross weights 54 6lkg Max mounting height Current entering 5m Outdoor difference Cindoor outdoor 7206 each compressor 2 1 4 978 pan tube types Single unit 15m Type size of evaporator anfinternal treaded pipe Maxi lensth of cennecting pipe condenser 7 b 9 52 mm 1150 r min indoor Indoor Cross flow fan Fan speed Fan type quantity 840 r min outdoor Outdoor Axial fan Max operating pressure at warm Max operating pressure at cool side side Frequency of filter cleaning Once 2 weeks Air sending angle distance Indoor unit PS Case material Outdoor unit Iron Domestic Air Conditioner Model H2SM 14HC03 R2 H o o o o H2SM 18HC03 R2 Appearance color Models White White H2SM 18HC03 R2 Cindoor outdoor 2650 5300 W 2900 56004 Cooling coefficient 2 82 2 82 W W 3 09 3 22 W W 940 1880 W 940 1740 Class of electric shock Operating voltage range 220 230 10 V Class I
11. 1 hour and another 2 C after the second hour and will rise 1 C after another 3 hours and the unit will stop after another 3 hours 4 3 If airflow of indoor fan is high before setting sleep mode then it will turn into mid level after sleep mode is set If airflow of indoor fan is mid before setting it will turn into low level after setting If airflow of indoor fan is low before setting then it will not change after setting Five Automatic Operation 4 1 Automatic Operation Mode On entering this mode main control unit will decide the corresponding operation mode as per room temperature to maintain the set temperature Set temperature is 23 Cin heating mode and 26 C in cooling mode Upon initial startup the unit will enter heating mode if room inlet air temperature is equal to or lower than 23 C or it will enter cooling mode if temperature is higher than 23 When entering heating mode the unit will operate as per heating program set temperature is 23 C Upon reaching temperature where compressor stops operation compressor will stop and standby for 3 mins In case it detects that inlet air temperature is higher than 27 C 15 mins after compressor stops the unit will enter cooling mode Otherwise the unit will remain in heating mode When entering cooling mode the unit will operate as per cooling program set temperature is 26 C gt Temperature difference compensation is automatically cancelled Upon reaching temperature wher
12. 1310 1140 970 H 800 Capacity K cal Hr 900 865 830 795 760 50 C 45 C Power Watts N N un 620 585 550 4 00 60 c 370 3 55 55 3 40 325 50 310 METTE 2 95 o 280 45 2 65 2 50 Current Amps 55 0 45 c 51 5 50 48 0 55 C 445 60C 41 0 37 5 34 0 30 5 27 0 Flow KgHr 20 0 8 7 6 5 4 3 2 0 1 2 3 4 5 6 1 8 9 10 1 1 Evaporating Temperature C Haier Domestic Air Conditioner Model H2SM 14HC03 R2 e e H2SM 18HC03 R2 35 Performance Curve Return Gas Temperature Model 44A233A 8 3 C Subcooling 220 230 50Hz 1PH 40 uF 370 VAC Ambient Temperature 35 C Run Capacitor Cond Temperaure 3500 3300 45 3100 50 C 2900 55 C 2700 60 2500 2300 2100 1900 4 1700 1500 Capacity Kcal Hr
13. 2 Cooling Airflow is different when airflow is set at high mid and low level When in automatic airflow mode airflow is determined as per temperature Refers to temperature control functions 2 3 Dehumidification 2 3 1 Compressor is off and is in 3 mins standby 16 Domestic Air Conditioner Model H2SM 14HC03 R2 Ms H2SM 18HC03 R2 Fan will stop if compressor stops Fan is at super low level upon the end of 3 mins standby Compressor is on after 3 mins standby 2 3 2 Compressor is on When airflow is set at high mid or low level fan will operate as per the setting When in automatic airflow mode airflow is determined as per temperature three Timed Operation Time counting will start based on the difference of timer clock and current clock In timed operation display panel timer lamp is on 3 0 1 Timer Off When timer off is set panel timer lamp is on and unit will stop operation as per the timing 3 0 2 Timer On If timer on is set when unit is off panel timer lamp will be on and unit will resume operation as per the timing and in set mode Execution sequence is based on the setting Four Sleep Operation When remote control set sleep mode timer lamp is on 4 1 In cooling dehumidification mode set temperature will rise 1 C after 1 hour operation and another 1 C after the second hour The unit will stop after another 6 hours 4 2 In heating mode set temperature will fall 2 C after
14. 7 In the case of double unit cooling one compressor stops and it changes to the single unit operation The fan is controlled in the single unit operation mode It stops 30 after blowing off the remaining heat only if both compressors turn off at the same time 3 Single unit heating operation 3 1 When the single unit s indoor unit gives a heating signal the corresponding outdoor compressor carries out cooling operation During the operation the outdoor fan and 4 way valve operate 1 second before the outdoor fan operates 3 2 When changed from cooling to heating the compressor stands by for 3 minutes the outdoor fan stops 3 3 When the outdoor ambient temperature T1 lt 3 C the outdoor fan runs at the high speed There is a return difference of 2 C for the change between high and medium speed When the outdoor ambient temperature T1213 C the outdoor fan runs at the low speed There is a return difference of 2 C for the change between low and medium speed 3 4 Once the fan operates in a mode it must operate for more than 45 seconds 3 5 There is a high temperature protection and a temperature cut off protection High temperature protection When the indoor coil temperature higher than T OFS 56 the outdoor fan stops when the coil temperature falls to T OFR 52 C the outdoor fan restarts The outdoor fan stops for more than 45 seconds 21 Domestic Air Conditioner Model H2SM 14HC03 R2 c H2SM 18HC
15. R2 be turned off until the outdoor defrosting lasts more than 2 minutes When the double units are activated for defrosting the activation of compressor B is 20 minutes later than that of compressor A Conditions for ending defrosting It will restore to the heating operation from the defrosting operation as long as any of the following conditions is met 1 The temperatures on both outdoor heat exchangers are above 7 degrees for consecutive 80 seconds 2 The temperatures on both outdoor heat exchangers are above 5 degrees for consecutive 12 seconds 3 The defrosting operation has lasted 9 minutes The starting conditions and control process for the double unit are same as that for single unit defrosting the only difference is that the activation of compressor B lags that of compressor A 11 Alarming operation 1 When the whole unit is in normal operation the alarm light is always on but does not flash 2 When the outdoor temperature sensor short circuited or disconnected the outdoor fan always operates at the medium speed and will restore automatically after the sensor comes to normal 3 When the temperature sensor short circuited or disconnected or the current transformer fails the alarm light flashes in the following manner when the current transformer fails the signal is sent to the indoor unit that operates abnormally and the corresponding indoor unit indicates trouble Additional codes for overcurrent L
16. Right piping Under piping Heat insulation 7 Piping material Adhesive tape Indoor Outdoor Electric cable Other direction piping Cut away with a nipper the lid for piping according to the piping direction and then bend the pipe according to the position of wall hole When bending be careful not to crash pipes Connect beforehand the indoor outdoor electric cable and then pull out the connected to the heat insulation of connecting part specially Installation of piping support plate nsert the plate from top into the piping to be fixed e Push its button hard until you hear a clik 6 Pipe gt Fixing the indoor unit body e Hang surely the unit body onto the upper notches of the mounting plate Move the body from side to side to verify its secure fixing e order to fix the body onto the mounting plate hold up the body aslant from the y underside and then put it down perpendicularly 4 Connecting the Indoor Outdoor Electric Cable Cautions 1 Make sure it is unit A or unit B when make wiring 2 Unit to be connected to stop valve on outdoor unit is unit while the one to be connected to stop valve B is unit B 3 Refer to wiring diagram 50 Domestic Air Conditioner Removing the wiring cover Open the inlet grill then remove one screw of the cover Model H2SM 14HC03 R2 H2SM 18HC03 R2
17. mode except standby ends or when E error T When compressor is operating remote control set temperature is changing towards the direction of compressor shutdown and when it is below T compressor will shut down 2 4 3 Compressor Operation Compressor restarts when E error gt AT 0 67 C and when 3 mins standby is over 15 Domestic Air Conditioner Model H25M 14HC03 R2 Be ar ee H2SM 18HC03 R2 two Indoor Fan Control 2 1 Heating 2 1 1 Warm Start Two Cold Air Control in Heating Mode Heat Exchange Temperature THHOT3 37 0 ii M M E M a 35 20 x j THHOT1 2 2 MR ME THHOTR T U 16 x x Stop SLO LO Set LO SLO Stop Conduct indoor fan control as per the above diagram and the heat exchange temperature 1 Judge wind speed when heat exchange temperature is rising Fan is at super low level when heat exchange temperature is below 35 2 C Fan will stop upon initially energized into heating mode or after defrosting or when heat exchange temperature is lower than 25 2 C Fan is at super low level when temperature is higher than 25 2 C but lower than 35 2 Fan is at low level when heat exchange temperature is between 35 2 C and 37 C Fan will operate as per setting when heat exchange temperature is above 37 C 2 Judge wind speed when heat exchange temperature is falling Fan i
18. numerical signs from to Hand the marks from to in the figure are the parts numbers 47 Domestic Air Conditioner Model H2SM 14HC03 R2 Ni o ws H2SM 18HC03 R2 Fixing of outdoor unit e Fix the unit to concrete or block with bolts 10mm and nuts firmly and horizontally When fitting the unit to wall surface roof or rooftop fix a supporter surely with nailsor wires in consideration of earthquake of strong wind f vibration may affect the house fix the unit by attaching a vibration proof mat Floor fixing dimensions of the outdoor unit Unit mm Place robust not causing vibration where the body can be supported Place which is less affected by rain or direct sunlight and is sufficiently sufficiently ventilated Place not affected by heat or steam generated in the vicinity where Place possible to bear the unit where vibration and noise are not inlet and outlet of the unit are not disturbed increased Place possible to drain easily where piping can be connected with the Place where discharged wind and noise do not cause a nuisance outdoor unit to the neighbors Place where cold air can be spread in a room entirely Place where a distance marked lt gt is available as illustrated in Place nearby a power receptacle with enough space around Refer the above figure to drawings Height diff between indoor and outdoor units should be kept within Place where the distance of mor
19. of the calculation from CXTA falls in the range of ISC lt CXTA a the interval between two defrosting operations is 45 minutes When the result of the calculation from CX TA falls in the range of CX TA lt 15 C the interval between two defrosting operations is 55 minutes 9 3 Defrosting operation At the beginning of defrosting the compressor is halted for the first one minute but the outdoor fan operates 50 seconds later the 4 way valve is OFF 9 4 Once starting to defrost the compressor must be guaranteed at least 2 minutes of operation before canceling defrosting As for the conditions to cancel defrosting it will restore to the heating operation from the defrosting operation as long as any of the following conditions is met 1 The outdoor heat exchanger temperature is above 7 degrees for consecutive 80 seconds 2 The outdoor heat exchanger temperature is above 5 degrees for consecutive 12 seconds 3 The defrosting operation has lasted 9 minutes 9 5 After the conditions for cancellation of defrosting are met the following operations will follow The compressor stops the outdoor fan starts 50 seconds later the 4 way valve is engaged and 60 seconds later the compressor operates 10 Double unit defrosting operation After receiving the signal to stop the indoor unit during the defrosting period the unit must not 25 Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03
20. outdoor EEPROM error Replace the PCB of outdoor unit LED1of outdoor pcb flashes twice Outdoor ambient whether terminal CN1 on outdoor PCB contact well YES Pull the sensor out of the mainboard 3 Measure the value of resistance Between its two jumpers 4 Measure the temperature of Outdoor ambient Check the value of the sensor to see whether the sensor is damaged or not YES The outdoor PCB is broken replace a new one Haier Sensor NO NO failure 30 Pull out the terminals on the outdoor mainboard and reinsert them Sensor is broken replace it with new sensor Haier H2SM 14 18C03 R2 m m Communication fault between indoor and outdoor system Yes p us Reconnect the linking cable Check whether the linking cable between the indoor and outdoor 15 not well connected If unit A have error please turn on A and B both check whether B please reverse the outdoor if A is error and B is fine indoor connecting wires A C and B C unit A PCB is damaged between unit and B reconnect the L and N wires 15 fine please check whether the if A is fine and B has error the connecting of L or N is reversed of outdoor unit main PCB is damaged thetwo units Check whether the LED1 the outdoor PCB is damaged on the outdoor pcb is on check whether the voltage of check whether fuse of outdoor reaplace the fuse wit
21. port 4 90 for 6 sec If it does not stop gas leakage discharge whole refrigerants from the service port After flaring work again and vacuumize fill up prescribed refrigerant from the gas cylinder 2 way valve A 2 I AL 3 way valve Way valve ee Dodo to indoor 1 4 unit A 3 way valve Q d min 9 2 way valve amp a 2 way valve ER Y 26 35mm to indoor 1 4 unit B 3 way valve Us IA W Valve rod cap valve rod cap Service port cap 2 Please do not let other cooling medium except specified one R410A or air enter into the cooling circulation system Otherwise there will be abnormal high pressure in the system to make it crack and lead to personal injuries 53 Domestic Conditioner Model H2SM 14HC03 R2 1 Power Source Installation H2SM 18HC03 R2 The power source must be exclusively used for air conditioner Over 10 e the case of installing an air conditioner in a moist place please install an earth leakage breaker e For installation in other places use a circuit breaker as far as possible 2 Cutting and Flaring Work of Piping e Pipe cutting is carried out with a pipe cutter and burs must be removed e After inserting the flare nut flaring work is carried out A Flare tooling die Correct Incorrect y BU Lean Damage of flare Crack Partial Too outside
22. the temperature is above 196 C or below 53 C Operation will resume automatically when temperature is outside the above range In error condition low load protection is cancelled 9 4 Transmission Error Based on the condition of communication between indoor and outdoor unit in case outdoor unit fails to receive signal within 20s after indoor unit sends out signal transmission is abnormal except in the period of first 2 mins when power is supplied It is confirmed as transmission error when outdoor unit receive the error signal Transmission error is removed by stopping operation Ten Special Function 10 1 Power Off Compensation a Entry Condition Press sleep key 10 times in 7s and buzzer gives out 4 sounds and save the current status into indoor unit EEPROM upon the entry b On entering power off compensation operation indoor unit operates as per the following procedures Remote control emergency signal and operates as per condition set by remote control and emergency setting and save the current status into indoor unit EEPROM Main unit will operate as per condition set on panel board And save the current status into indoor unit EEPROM c Exit Condition Press sleep key 10 times in 7s and buzzer gives out 2 sounds d timer and sleep features are set under power off compensation condition main unit memory is in a state of shut off if power is off and on again 18 Domestic Air Eleven Error Pre
23. waive 2 way valve Capillary tube imul 4 Capillary tube B indoorunit A indoorunit Heatexchanger Heatexchanger 3 way valve lt gt lt gt lt gt A 4 way valve 4 way valve 3 way valve lt gt gt Cooling A Compressor de Heating 42 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 E a H2SM 18HC03 R2 NOISE LEVEL TEST CHART amp AIR VELOCITY DISTRIBUTION 43 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 NE H2SM 18HC03 R2 pom k indoor pu lt unit m outdoor wit 70 70 60 50 40 30 20 10 0 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz 44 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 E H2SM 18HC03 R2 B Air velocity distribution Condition Fan saeed high Operation node Fan Voltage 230V S Hz node unn Fig Top View Flow Control Panel Horiz Louver Center umbag Fig e Top View Flow Control Panel Horiz Louver right L left um tras Fig 3 Side View Flow Control Panel Horiz Louver Center Fig 4 Side View Flow Control Panel Vert Louver Center 45 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 INSTALLATION amp MAINTENANCE 46 Ha Model H2SM 14HC03 R2 H2SM 18HC03 R2 Domestic Conditio
24. 03 R2 High temperature cut off protection When the indoor coil temperature higher than T_CPS 68 and maintains for 10 seconds both the compressor and outdoor fan stop and the indoor fan operates as the thermostat is Off The compressor will not restart in 3 minutes until the coil temperature lower than T_CP R 50 C 4 Double unit heating operation 4 1 When the double unit s indoor unit gives out a heating signal outdoor compressor A starts heating operation During the operation outdoor compressor A and the 4 way valve operate 1 second before the fan starts 20 seconds later outdoor compressor B starts heating operation 4 2Once an outdoor compressor starts the other compressor will not start in 20 seconds from the start 4 3 When changed from cooling to heating the compressor stands by for 3 minutes When both compressors are in the strand by status the outdoor fan stops Otherwise it operates The status of the fan depends on the number of the compressors that operate 4 4 When the outdoor ambient temperature T1 lt 10 C the outdoor fan runs at the high speed There is a return difference for the change between high and medium speed When the outdoor ambient temperature T1 20 C the outdoor fan runs at the low speed There is a return difference for the change between low and medium speed 4 5 a fan operates in a mode it must operate for more than 45 seconds 5 Cooling and heating operations take place at the same time
25. 1T134 9 7 A M39214 4 ad Hl vH 30 NOTLONA y 7390 3H1 a Ce g DNIAI3232 HILIAS ISNAS dWdl LNJIEWY 8 INI AUSNIS DNIdIA LON SYI 1195650100 LINN a DUNI J WNval vitt UNIAIA 34 H2SM 14HC03 R2 H2SM 18HC03 R2 Model Domestic Air Conditioner Haier eL LUN 80112497 NOSN3S JH31 N338D ADTI3A D A 3 8 3A jSnval 1508330 upsw3s nal une a JAWY di 32D 18 1 794 31 9 END end inoonolena I 134 Ca leDAV 133 E 20112992 501199495 Sans Ss 3a8rdWO dOSS 34405 8796560100 WVAOVId 35 Domestic Air Conditioner Model H2SM 14HC03 R2 M o e e H2SM 18HC03 R2 CIRCUIT DIAGRAM 36 Haier H2SM 14 18C03 R2
26. ED light flashes once outdoor Eeprom in trouble LED light flashes twice outdoor ambient temperature sensor in trouble LED light flashes 3 times communication with indoor unit A in trouble LED light flashes 5 times outdoor unit A s coil in trouble LED light flashes 6 times outdoor unit A s CT current too high LED light flashes 7 times communication with indoor unit B in trouble LED light flashes 9 times outdoor unit B s coil in trouble LED light flashes 10 times outdoor unit B s CT current too high 26 Domestic Air Conditioner Model H2SM 14HC03 R2 De H2SM 18HC03 R2 ABNORMITY DIAGNOSE 27 Haier 25 14 18 03 2 Codes Description Code indication ae Outdoor led1 Description 1 Power timer operate Operate heating cooling m m Room temperature sensor failure Heat exchange sensor failure Indoor Indoor EEPROM error Malfunction B Indoor fan motor malfunction m m Communication Error between indoor and outdoor unit 3or7 Outdoor outdoor EEPROM error 1 Malfunction m Outdoor Senistor Error 2 outdoor unit A s coil sensor failure 3 outdoor unit B s coil sensor failure 9 explanation on flash Trouble Shooting Room temperature sensor failure CN8 Heat exchange sensor failure CN8 whether terminal CN8 on NO Pull out the terminal
27. Installation Please use this sheet to site the unit Domestic Air Conditioner 55 Model H2SM 14HC03 R2 H2SM 18HC03 R2
28. T Indoor unit B EL GRN BRN e BLU amp YEL GRN Jeee Outdoor unit 51 Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 1 Installation of Outdoor Unit Install according to Drawing for the installation of indoor and outdoor units Connection of Pipes To bend a pipe give the roundness as large as possible not to crush the pipe and the bending radius should be 30 to 40 mm or longer Connecting the pipe of gas side first makes working easier The connection pipe is specialized for RA10A The max vertical distance between the indoor uint and the outdoor unit is 5 m Half union Flare nut Forced fastening without careful Q centering may damage the threads and cause a leakage of gas J Pipe Diameter IFastening Torque Liquid Side 6 35mm 1 4 18N m Spanner Gas Side 9 52mm 3 8 42N m Torque wrench Gas Side 12 7mm 1 2 55Nm Be careful that matters such as wastes of sands etc shall not enter the pipe The standard pipe length is 5m If it is over 5m the function of the unit will be affected If the pipe has to be lengthened the refrigerant should be charged according to20 g m But the charge of refrigerant must be conducted by professional air conditioner engineer Before adding additional refrigerant perform air purging from the refrigerant pipes and indoor unit using a vacuum p
29. compressor A operates 20 seconds later outdoor compressor B starts cooling operation 2 2 a compressor starts the other compressor will not start in 20 seconds from the start 2 3 When changed from heating to cooling the compressor stands by for 3 minutes When both compressors are in the strand by status the outdoor fan stops Otherwise it operates The status of the fan depends on the number of the compressors that operate 20 Domestic Air Conditioner Model H2SM 14HC03 R2 De H2SM 18HC03 R2 2 4 When the outdoor ambient temperature T1230 C the outdoor fan runs at the high speed There is a return difference for the change between high and medium speed When the outdoor ambient temperature T1 lt 23 C the outdoor fan runs at the low speed There is a return difference for the change between low and medium speed When the outdoor ambient temperature T1 lt 5 C the outdoor is in a cycle of 1 minute stop and 3 minute run There is a return difference of 2 C for the change between low speed and run and stop 2 5Once the fan operates in a mode it must operate for more than 45 seconds 2 6 There is a temperature cut off protection when a indoor coil temperature higher than T CPS 68 C and maintains for 10 seconds the corresponding compressor stops The compressor will not restart in 3 minutes until the coil temperature lower than T CP R 50 C The indoor fan is controlled the same as the thermostat is OFF 2
30. e compressor stops operation compressor will stop and standby for 3 mins In case it detects that inlet air temperature is equal to or lower than 23 C 15 mins after compressor stops the unit will enter heating mode Otherwise the unit will remain in cooling mode If the unit changes into automatic mode from any other mode and if the operation mode is changed detect before operation the unit will stop for 3 mins and it will operate based on inlet air temperature after 3 mins Six Trial Operation Trial operation will end after 30 mins after which unit shuts down In trial operation the unit will quit trial operation mode upon reception of signal Compressor Stop Protection 17 Domestic Air Conditioner Model H2SM 14HC03 R2 Ms se ws H2SM 18HC03 R2 Eight EEPROM Control When outdoor unit is supplied with power if there is any inconsistency between EEPROM parameter and checksum EEPROM error When indoor unit receives EEPROM error signal from outdoor unit it will display outdoor unit EEPROM error At this time control and emergency operation are not acceptable It can only be cancelled through power off Nine Error Detect Method 9 1 Indoor Temperature Sensor Error In operation an error occurs if the temperature is above 126 or below 31 Operation will resume automatically when temperature is outside the above range 9 2 Heat Exchange Temperature Sensor Error In operation an error occurs if
31. e than 1m from televisions radios 5 meters wireless apparatuses and fluorescent lamps can be left Place where the distance of more than 3 meters from antenna of In the case of fixing the remote controller on a wall place where the TV set or radio telegraphy is available indoor unit can receive signals when the fluorescent lamps in the room are lightened Power Source Before inserting power plug into receptacle check the voltage without fail The power source is the same as the corresponding name plate Install an exclusive branch circuit of the power A receptacle shall be set up in a distance where the power cable can be reached Do not extend the cable by cutting it Selection of Pipe To this unit both liquid and gas pipes shall be insulated as they become low temperature in operation Liquid pipe Piping length Total length of piping less than 20 meters with A B unit less than 15 meters on individual unit 6 35mm 1 4 x 0 8mm Piping size Gas pipe 9 52mm x 0 8mm 48 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 1 Fitting of the Mounting Plate and Positioning of the Wall Hole When the mounting plate is first fixed 1 Carry out based on the neighboring pillars or lintels a proper leveling for the plate to be fixed against the wall then temporarily fasten the plate with one steel nail 2 Make sure once more the proper level of the plate by hangi
32. esponding outdoor compressor carries out cooling operation During the operation the outdoor fan operates 1 second before the compressor operates 1 2When changed from heating to cooling the compressor stands by for 3 minutes the outdoor fan operates to blow off remaining heat and stops 30 seconds later 1 3When the outdoor ambient temperature T1 238 C the outdoor fan runs at the high speed There is a return difference of 2 C for the change between high and medium speed When the outdoor ambient temperature T1 lt 26 C the outdoor fan runs at the low speed There is a return difference of 2 C for the change between low and medium speed When the outdoor ambient temperature 1 8 the outdoor fan is in a cycle of 1 minute stop and 3 minute run There is a return difference of 2 C for the change between low speed and run and stop 1 4 the fan operates in a mode it must operate for more than 45 seconds There is a temperature cut off protection when the indoor coil temperature higher than T CPS 68 C and maintains for 10 seconds both the compressor and outdoor fan stop The compressor will not restart in 3 minutes until the coil temperature lower than T CP R 50 C The indoor fan is controlled the same as the thermostat is OFF 2 Double unit cooling operation 2 1When the indoor unit gives out a double unit cooling signal outdoor compressor A starts cooling operation During the operation the outdoor fan runs 1 second before
33. fan stops for more than 45 seconds High temperature cut off protection When the coil temperature higher than T_CPS 68 C and maintains for 10 seconds both the compressor and outdoor fan stop and the indoor fan operates as the thermostat is Off The compressor will not restart in 3 minutes until the coil temperature lower than T CP R 50 6 2 In the single unit heating operation the current in the compressor is larger than 4 0 A for Model 14 4 8A for Model 18 and the outdoor fan stops 45 seconds later the current in the compressor is less than 3 5A for Model 14 4 3A for Model 18 and the outdoor fan operates in normal condition the compressor does not detect current within 30 seconds after its start the current in the compressor is larger than 3 5A for Model 14 4 3A for Model 18 and less than 4 0A for Model 14 4 8A for Model 18 and the outdoor fan does not restore 7 Double unit heating operation with heat load 7 1 In the double unit heating operation the indoor unit gives out the value of the coil temperature and the outdoor unit judges whether to start in the high load protection operation based on the value of the temperature it has received If the conditions for high load protection are met the outdoor fan stops immediately It will restart 45 seconds later if the signal for the outdoor heat load disappears Otherwise the outdoor fan will continue to stop until the signal for the outdoor heat load disappears The signal for
34. h CN7 in outdoor pcb is about pcb is broken T3 15A 250V 198 253VAC check whether the wire from Reconnect the linking terminal block to out pcb is well wire connected check whether the voltage of NO CN4 the transformer is bad in outdoor pcb is about 12VAC the outdoor PCB is damaged Haier 31 Haier LEDI of outdoor pcb flashes 5 or 9 times outdoor unit A or B s coi sensor whether terminal CN2 on outdoor PCB contact well YES Pull the sensor out of the mainboard 5 Measure the value of resistance Between its two jumpers 6 Measure the temperature of outdoor unit or B s coi Check the value of the sensor to see whether the sensor is damaged or not YES The outdoor PCB is broken replace a new one Haier NO NO 32 H2SM 14 18C03 R2 failure CN2 Pull out the terminals on the outdoor mainboard and reinsert them Sensor is broken replace it with new sensor Domestic Air Conditioner Model H2SM 14HC03 R2 o e e H2SM 18HC03 R2 WIRING DIAGRAM 33 H2SM 18HC03 R2 Model H2SM 14HC03 R2 Domestic Air Conditioner Haier LINA WNIWASL ASDDUNI 01943439 STE LOVAOSeESD 4 da NAWAOISNVAL 494 IDO A NV d 4 N33890 A D
35. heat load is as follows High temperature protection When the indoor coil temperature higher than T_OFS 56 C the outdoor fan stops when the coil temperature falls to 52 C the outdoor fan restarts The outdoor fan stops for more than 45 seconds High temperature cut off protection When the coil temperature higher than T_CPS 68 C and maintains for 10 seconds both the compressor and outdoor fan stop and the indoor fan operates as the thermostat is Off The compressor will not restart in 3 minutes until the 23 Domestic Air Conditioner Model H25M 14HC03 R2 Mo H2SM 18HC03 R2 coil temperature lower than T_CP R 50 C 7 2 When the outdoor single unit gives out the heat load signal the outdoor fan stops immediately 45 minutes later the heat load signal disappears and the outdoor fan operates 7 3 In heating operation any of the current in the compressor is larger than or equal to 4 0 A for Model 14 4 8A for Model 18 and the outdoor fan stops The current in the compressor is less than or equal to 3 5A for Model 14 4 3A for Model 18 and the outdoor fan restores the compressor does not detect current within 30 seconds after its start the current in the compressor is larger than 3 5A for Model 14 4 3A for Model 18 and less than 4 0A for Model 14 4 8A for Model 18 and the outdoor fan does not restore 8 Current peak protection 8 1 The current in the compressor is larger than 6 8A for M
36. indow during the cooling operation Use curtain e Are there too much heat sources or too many people in the room during cooling operation Application temp range of air conditioner 7 C 43 C Haier Domestic Air Conditioner Model H2SM 14HC03 R2 N s ew Q H2SM 18HC03 R2 REFRIGERATING CYCLE DIAGRAM 41 Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 Warning and cautions 1 1 The multi mounted split unit adopts double separated cooling systems A B that are not connected together If the refrigerant leaks the leaking system of them must be determined So we can solute the abnormality And refill the system that lacks refrigerant It will influence the effect if the Aand B systems are wrongly estimated 1 2 The maximum length of single connecting pipe is 7m And the units can t run normally if the pipe is over required length 1 3 Fill refrigerant n accordance with the diagram below if the connecting pipe is over 5m Length m m 1 Vacuum pumping of the system Vacuum pumping is to mainly draw out residual air and water in the air conditioner refrigerant syst em Generally vacuum pump is connected at the processing port of the 3 way stop valve in the outdoor unit The system vacuum degree is required to be below 200 Pa 2 Refrigerating cycle diagram Capillary tube Outdoorunit Capillary tube 2 Way
37. ner Read this manual before installation e Explain sufficiently the operating means to the user according to this manual Necessary Tools for Installation 1 Driver 2 Hacksaw 3 60mm diameter hole core drill 4 Hexagon wrench 5mm parts in same packing for indoor unit Number Accessory parts ol articles 2 Remote controller ES R 03 dry battery Mounting plate p M hose eu supporting plate F 50 Steel E Drain elbow 5 Spanner 14 17 19 27mm 6 Torque wrench 17mm 22mm 24mm 7 Pipe cutter 8 Flaring tool 9 Knife 10 Nipper 11 Gas leak detector or soap and water solution 12 Measuring tape 13 Reamer 14 Refrigeration oil Drawing for the installation of indoor and outdoor units Indoor unit A Indoor unit B Attention must be paid to the rising up of drain hose Optional parts for piping Parts name EH E Non adhesive tape ci y Main pipes Adhesive tape D gt 7 Saddle L S with screws 4 25 Screw Plastic cap Connecting electric cable for indoor and outdoor Drain hose Heat insulation material Piping hole cover Cushion 54 Connecting cable O 9 Power line Connecting Line Signal line The
38. ng a thread with a weight from the central top of the plate then fasten securely the plate with the attachment steel nail 3 Find the wall hole location using a measuring tape Hanging Pass the thread through this Mounting plate Temporary fastening Center of 970mm hole Fit the scale to the line Weight Holes for fixing the mounting plate When the mounting plate is fixed to side bar and lintel e Fix to side bar and lintel a mounting bar Which is separately sold and then fasten the plate to the fixed mounting bar e Refer to the previous article When the mounting plate is first fixed for the position of wall hole 2 Making a Hole on the Wall and Fitting the Piping Hole Cover e Make a hole of 70 mm in diameter slightly descending to outside the wall e Install piping hole cover and seal it Outdoor side off with putty after installation Wall hole Thickness 970 mm of wall Section of wall hole Piping hole pipe 49 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 wo H2SM 18HC03 R2 3 Installation of the Indoor Unit Drawing of pipe Rear piping Draw pipes and the drain hose then fasten them and connecting electric cable for indoor and outdoor with the adhesive tape e Drain hose should be placed under Left pipin
39. odel 14 8 2A for Model 18 for more than 5 seconds The compressor which has the highest current will stop the compressor does not detect current within 10 seconds after its start and 3 minutes later it will continue to operate 8 2 The compressor will no longer operate if overcurrent protection occurs 4 times in a row within 30 minutes and the output transformer signal fails In the double unit operation if one of the compressors stops due to the current too high the other system is a single system 9 Single unit defrosting operation outdoor judgement Defrosting control 9 1 Conditions for starting in the defrosting operation The heating compressor starts and operate continuously for 10 minutes After the compressor has been operating for 45 minutes in total detecting the defrosting sensor TE detecting the frosting of the outdoor heat exchanger and the outdoor ambient temperature sensor TA for straight 2 minutes provided the following conditions are met it will start for the defrosting operation TE lt C x TA a Where C TA lt 0 C 24 Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 a 6 In the place where it tends to frost it is preferred to choose H In the place where it does not intend to frost it is preferred to choose L It is set M at delivery During the defrosting operation the temperature control starts 15C lt CXTA a lt 2 9 2 Interval of defrosting When the result
40. or lights up when the healthy operation is started this indicator turns green Timer Set Indicator When the air conditioner is at the state of time set this indicator lights up Test Manual Button This button is only used for test refrigerating operation when the room temperature is below 16 so it should not be used in normal situation Emergency Manual Button When the remote controller is lost or cannot be used this button can make the air conditioner continue to operate for the time being Remote Signal Receiving Window It receives the remote signal from the remote controller Working Method Indicator When the compressor is working the indicator lights up Power Plug Inlet Outlet Send out hot air when cooling and send out cold air when heating TT AKO SU Haier Model H2SM 14HC03 R2 Domestic Air Conditioner H2SM 18HC03 R2 Net dimensions for indoor unit lt 795 182 265 Net dimensions for outdoor unit 295 P 2 680
41. or over 15min And check the level gauge which should read 0 1 MPa 76 cm Hg at low pressure side After the completion of vacuumizing close the handle Lo in gaugemanifold and stop the operation of the vacuum pump Check the condition of the scale and hold it for 1 2min If the scale moves back in spite of tightening make flaring work again the return to the beginning of 3 Open the valve rod for the 2 way valve to an angle of anticlockwise 90 degrees After 6 seconds close the 2 way valve and make the L inspection of gas leakage y No gas leakage o Detach the charge hose from the service port open 2 way valve and 3 way Turn the valve rod anticlockwise Until hitting lightly 1 To prevent the gas leakage turn the service port s cap the valve rod s cap for 2 way valve and 3 way s a little more than the point where the torque increases In case of gas leakage tighten parts of pipe connection leakage stops then proceed steps suddenly J N After attaching the each caps check the gas leakage around the caps CAUTION 1 If the refrigerant of the air conditioner leaks it is necessary to discharge all the refrigerant Vacuumize first then charge the liquid refrigerant into air conditioner according to the amount marked on the name plate 2 way valve 3 way valve Service
42. or service check the following first The system does not restart immediately NA Normal Performance inspection Smells are generated Mist or steam are blown out Multiple check When unit is stopped it won t restart immediately until 3 minutes have elasped 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 e During unit operation or at stop a swishing or gurgling noise may be heard At first 2 3 minutes after unit start this noise is more noticeable This noise is generated by refrigerant flowing in the system e During unit operation a cracking noise may be heard This noise is generated by the casing expanding or shrinking because of temperature changes Should there be a big noise from air flow in unit operation air filter may be too dirty This is because the system circulates smells from the interior air such as the smell of furniture cigarettes During COOL or DRY operation indoor unit may blow out mist This is due to the sudden cooling of indoor air s power plug inserted e s there a power failure s fuse blown out the air filter dirty Normally it should be cleaned every 15 days e Are there any obstacles before intel and outlet e 5 temperature set correctly e Are there some doors or windows left open e 15 there any direct sunlight through the w
43. per tube greatly increases the refrigerant contact area and the efficiency of cooling heating functions 5 Convenience Auto restart and washable panel The grille can be removed easily and washed when necessary Any series have the function then even if the power falls when the unit is operating unit will automatically return to the operating settings in use before the power failure when power is restored 6 Wide variety of functions 24 Hour Timer 24 hour timer allows users to select the exact time they would like the air conditioner to turn on and to turn Timers on previous models operation based on the number of hours of desired operation 7 Night set models When the air conditioner is operationg on the timer off circuit The preset room temperature gradually rises going down in heating before the unit stops as shown delow Users can sleep comfortably without sudden change in temperature 8 Program dry This function automatically reduces the level of humidity while maintaining the preset indoor temperature Domestic Air Conditioner Model H2SM 14HC03 R2 E o H2SM 18HC03 R2 Specifications Haier Domestic Air Conditioner Model 25 14 03 2 H2SM 18HC03 R2 Appearance color White White H2SM 14HC03 R2 Cindoor out door Cooling capacity 2080 4160 W Heating capacity 2340 4500W Cooling coefficient 2 81 2 81 W W 3 21 3 21 W W 740 1480 730 1400 1 0 2 0 0
44. protection Operating temp range 7 43 Climate type Piling layers for indoor out door Variation of temp adjust 45 de 8 4 units 42 39 35 dB A 62 60 58 4B A Net dimensions of indoor unit 795 182X265 mm Net dimensions of outdoor unit 810 680 288 mm Packaged dimensions of indoo Packaged dimensions of outdcor 865 272X330 mm 960X760X 406 mm unit Indoor unit net gross weights 7 6 10 6 kg Outdoor unit net gross weights 59 66kg Max mounting i entering 5m Qutdoor difference indoor outdoor Lat a e tube type Single unit 1 of evaporator and Internal treaded pipe Maxi length of ccnnecting pipe 67 69 52 mm 1150 r min indoor Indoor Cross flow fan Fan speed Fan type quantity 840 r min outdoor Outdoor Axial fan Max operating pressure at warm Max operating pressure at cool 4 15Mpa side side Frequency of filter cleaning Once 2 weeks Air sending angle distance Indoor unit PS Case material Outdoor unit Iron Haier Domestic Air Conditioner Model H2SM 14HC03 R2 M o o e H2SM 18HC03 R2 CURVES OF PERFORMANCE OF COMPRESSOR Domestic Air Conditioner Model H2SM 14HC03 R2 e H2SM 18HC03 R2 35 Performance Curve Return Gas Temperature Model 39A173A S 8 3 ubcooling ER 220 230 50Hz 1PH 25 uF 370 VAC Ambient Temperature 35 Run Capacitor Cond Temperature 2500 2330 45c 2160 Pu 1990 1820 60 1650 1480
45. s at low level when heat exchange temperature is below 35 2 C but above 25 2 C Fan is at super low level and will maintain the mode when heat exchange temperature is lower than 25 2 C Fan is at super low level upon initially energized into heating mode or after defrosting or heat exchange temperature is lower than 25 2 but higher than 16 C Fan will stop when heat exchange temperature falls below 16 3 Wind speed is at super low or low level when heat exchange temperature is rising If heat exchange temperature fails to enter the next temperature zone after 4 mins while wind speed rises to the next stage it is necessary to maintain the set wind speed for 4 mins before it is adjusted based on heat exchange temperature 4 When heat exchange temperature is falling wind speed will return to set speed if low wind level is maintained for over 4 mins 2 1 2 3 mins standby period when compressor shutdown 1 When compressor shuts down temperature sensor is off airflow is low for the initial 20s then reduced to super low When in silent operation it is SSLO 2 Wind is maintained at super low level in the standby period in heating mode Compressor stops during mode switch 3 Remote control shut down and stop indoor fan 2 1 3 Compressor Restart When warm start airflow is at remote control set level When in automatic airflow mode airflow is determined based on temperature Refers to temperature zone control functions 2
46. s on the indoor mainboard and indoor PCB contact wellt reinsert them YES Pull the sensor out of the mainboard 1 Measure the value of resistance Between its two jumpers 2 Measure the temperature at the room temperature sensing head Check the value of the sensor to see whether the NO Sensor is broken replace it with new sensor sensor is damaged or not YES The indoor PCB is broken replace with new indoor PCB Haier 28 Haier H2SM 14 18C03 R2 Indoor error the of indoor unit Indoor fan motor malfunction CN7 and CN11 on indoor PCB whether terminal Pull out and reinsert the terminals well inserted or not Electrify the machine again and turn it on in the cooling operation Measure voltage between the positions 1 red wire and 5 black wire of Terminal on the indoor PCB the voltage is about the indoor pcb is damaged and need replace 90 200vac check whether motor the indoor motor is damaged and need can run when replace turn on the unit When motor is running Measure whether there is voltage pulse 0 5VDC between the the indoor motor is damaged and need positions 2 middle wire and 3 black wire of Terminal CN7 on the indoor PCB replace the indoor pcb is damaged and need replace Haier 29 H2SM 14 18C03 R2 LED1 of outdoor pcb flashes once
47. sentation Mode 11 1 Three Indicator Error Code Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 Error Display _e Z 7 PS Timer Operation a amp gs Error Conditions Operation Heating Cooling 8 5 B Cause E Indoor Senistor Error z 1 Connector loose contact or ambient temperature sensor error Indoor Heat Exchange 5 i 1 Connector loose contact or coil sensor Senistor Error error Outdoor Senistor Error 1 Connector loose contact or sensor error 1 There is large interference source around Transmission Error Hi B or wiring error E 2 Wiring error or control panel error EEPROM Error 1 Whether control panel is damaged 1 Whether control panel is damaged Indoor Fan Error i Note HJOnx Blink Off This function is available Twelve Emergency Switch When shutdown press emergency switch down for less than 5s the unit will start emergency operation When shutdown press emergency switch down for more than 5s but less than 10s the unit will start trial operation When shutdown press emergency switch down for more than 10s but less than 15s it will demonstrate the previous error When shutdown press emergency switch down the panel will display automatic operation When shutdown press emergency switch down for less than 15s or remove hand from emergency Switch the
48. starts after heating operation starts the resistant of indoor ambient temperature sensor is ignored to avoid the impact of heat exchanger temperature over it When forced operation ends after start up temperature zone control begins 1 3 Set Temperature Correction Set temperature is corrected according to unit model operation mode fan speed and whether it is in power operation Fan speed correction is available only during low and mid heating operation 1 4 Temperature Zone Control 1 4 1 Error Temperature zone error is calculated as per the following formula In Heating Mode E Remote Control Set Temperature Correction Value Indoor Temperature In Cooling amp Dehumidification Mode E Indoor Temperature Remote Control Set Temperature Correction Value 1 4 2 Compressor Shutdown E is negative and F gt A T Heating Cooling AT TCHAHL 0 67 TCHACL 0 33 After change of T TCHAHH 0 67 TCHACH 1 T Change Condition When operation starts E 3 0 C Compressor shuts down after continuous testing for 120s At the beginning of operation with reference to the conditions given in above table it operates based on the parameters after change of T until compressor shuts down for the first time In the time period between compressor shutdown and restart it operates based T except in dehumidification mode Compressor starts at the beginning of operation or upon switch of operation
49. ump then charge additional refrigerant 3 Connection Use the same method on indoor unit Loosen f wiring is not correct proper operation can the screws on terminal block and insert the not be carried out and controller may be plugs fully into terminal block then tighten the damaged Screws Fix the cable with a clamp e Insert the cable according to terminal number in the same manner as the indoor unit 4 Attaching Drain Elbow the drain elbow is used please attach it as figure Note Only for heat pump unit Drain hose 52 Haier Domestic Air Conditioner Model H2SM 14HC03 R2 H2SM 18HC03 R2 2 way valve 5 Purging Method To use vacuum 3 way valve ee C Gas Side Push the air out of the indoor unit A and piping as followes ro Detach the service port s cap of 3 way valve the valve rod s cap for 2 way valve and 3 way s connect 4 Gaugemanifold for R410A the service port into the projection of charge hose Anti countercurrent joint low for gaugemanifold Then connect the projection of charge hose center for gaugemanifold into 2 vacuum pump y Tube for R410A Vacuum pump for R410A O y Open the handle at low in gaugemanifold operate CL vacuum pump If the scale moves of gause low 2 Open reach vacuum condition in a moment check again e M y I Vacuumize f
50. unit will not accept remote control signal Unit enters shutdown condition after 15s Unit can receive remote control signal after 15s Press emergency switch during operation air conditioner will shut down During operation if error occurs press emergency switch to shut down the unit to clear error condition During error presentation press emergency switch and error presentation will end During operation if emergency switch is pressed continuously press and hold in normal or abnormal condition such as tact switch short circuit or in error presentation condition the unit can also receive remote control signal Error Record Presentation Mode When press and hold switch for 10s it gives out 3 sounds release switch to enter error record presentation mode Press and hold switch for 15s panel display is off and error record presentation mode is cancelled Previous alarm information will be sent to display panel for status display Error record presentation mode is cleared after 10s Error record presentation mode is only displayed for 10s During the presentation no remote control signal except shutdown signal is accepted There is no presentation when no error occurs only buzzer utters sound 19 Domestic Air Conditioner Model H2SM 14HC03 R2 Mi H2SM 18HC03 R2 Outdoor PCB Function Manual 1 Single unit cooling operation 1 1When the single unit s indoor unit gives a cooling signal the corr
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