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Ductless Split Air Conditioner

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4. X Cautions e Turn the unit off prior to opening the horizontal louver and adjusting the vertical blades by hand When humidity levels are high condensate water may oc cur at the air outlet if all vertical louvers are adjusted to left or right e Itis advisable not to keep the horizontal louver in the downward position for an extended period of time in COOL or DRY mode otherwise condensate water may form on the louver Note When turning the unit on the remote control will automatically return the louver to the previous set swing position When turn ing the unit off the louver will rotate to the full open position prior to closing Q9 Timer Button On Off Operation 1 Start the unit and select the desired operating mode 2 Press the TIMER button to change to TIMER mode Every time the TIMER button is pressed the display changes as follows 0 5h 0 5h 0 5h 0 5h TIMER ON TIMER OFF TIMER ON OFF TIMER OFF ON Select the desired TIMER mode TIMER ON or TIMER OFF or TIMER ON OFF The ON or OFF icon will flash 3 Press the gs KA buttons to set the time gs Pressing this button increases the time in 0 5 hour increments between hours 0 and 12 and 1 hour increments for times between hours 12 and 24 KA Pressing this button decreases the time in 0 5 hour increments between hours 0 and 12 and 1 hour increments for times between hours 12 and 24 The on or off time can be adjuste
5. 28 d wf 28 EM a o fo o Un SNR RN AE E RENE 28 Wa EE 23 Ao A o Ag E PO o nastessoucuecesdsecess 28 ee e EE 28 TEE 29 Cal to Ta ee T 29 Rone DDEC sata 29 pi Lo o 29 QUT ITI TERR 29 Colar proor olo AP e EE 29 BT gode 30 Automatic Heating Temperature Compensation surcar acidos 50 nn 30 Tempera e KERN o 0 omm 50 Ali mmm mmm mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmurmmmmmmmmmmmmmmmmrkmmmrmmmmmmmmmmmmmmmmmmmmmkmmmrmmmiHh 30 OU GOOF ONI ai E E EE E E 30 EIERE 50 de E Ee A 51 PUTO MOO M 31 Dry MODO q 31 PPP m 31 aile tele Din 31 il PP lt q 31 E I mmm mmmmmmmmmmmmmmmmmmmmrurmmmmmmm mmrmmmmmrmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmckmmrmrmiciyrm rr RP 31 P volore LE o a 31 Temperature e EE 32 Detrost ODE AU OM acia is 32 We dl d CR 32 TTC high temperature Protocol id ito it dba 32 Overheating ee eebe eg 32 Compressor overcurrent DELI T E cas paes ienes as 5 5 Anti Treeze protection of the indoor heat CXChAAG OM esiisnrariasir ia 39 SEQUENCE OF OP
6. B A B Yard This will allow you to control two separate units with a single remote control Note this feature would be setup at the time of installation by the contractor C Fan Mode Is indicated by the icon Only the fan will operate in this mode See section 8 FAN Button for changing the fan settings D Intelligent upward airflow E Intelligent downward airflow F Reset intelligent airflow position 1 Press the ON OFF button on the remote control to turn the unit on Select the desired operating mode 2 Setting the intelligent airflow function Press the EXTRA FUNCTION button to enter ad ditional options Press this button repeatedly to access the louver settings The louver icon will cycle through the following three settings Healthy Healthy y airflow Y airflow gt deca gt upward downward Select the desired position then press the CONFIRM CANCEL button to set the function 3 Canceling the intelligent airflow function Press the EXTRA FUNCTION button to enter addi tional options Press this button repeatedly to access the louver settings Cycle the button to the louver icon pres ent position then press the CONFIRM CANCEL button to cancel the function Notice Do not reposition the horizontal louver by hand This may cause the louver to run incorrectly and not match the icon displayed on the remote control If the louver is not running correctly turn the unit off for one minute then bac
7. Four temperature sensors located in the outdoor unit provide temperature information to the outdoor unit main board for control of the system during heat mode The outdoor ambient temperature sensor provides the temperature of the air drawn into the condenser coil of the outdoor unit The defrost temperature sensor provides the temperature sensed at the output of the condenser coil The suction line temperature sensor provides the tempera ture sensed at the incoming suction line pipe SEQUENCE OF OPERATION The compressor discharge sensor provides the temperature sensed at the discharge pipe of the compressor O Call to Terminate Heating The system will call to terminate heating when the indoor ambient temperature sensor is equal to or higher than 2 F above the room set temperature The indoor control board will communicate to the outdoor control board to de ener gize the compressor The outdoor fan will run for 60 seconds before stopping The 4 way valve will de energize 2 minutes after the compressor stops To stop heat mode press the power button to turn the sys tem off or change to another mode Auto Mode With the system turned on press the AUTO button on the remote control The system will change to the auto mode of operation As the room is cooled or heated the system will automati cally switch between cool mode fan mode and heat mode There is a minimum 15 minute operating time between mode changes
8. L zh ar O Z Tr PAGE 74 REFERENCE INFORMATION This page intentionally left blank www Haier com Model HSUO9VHG DB W HSUO9VHG DB G HSU12VHG DB W HSU12VHG DB G HSU18VHH DB W HSU18VHH DB G Huren mecs Issued Date March 2015 02015 Haier America Trading LLC
9. 94 SA e 9 6X9 Al slat ocd 4 PTA ASPOSNI gt 3m VI HB0C OOTTAS OOTTUAW 9 wW 117 ES El Ld IT O Ex T E IAS ASLCIVOI a A TAH o 90 IH l sxo d ora 8 E OS VOT E i AMUZCLY Sx ARG9A VOW OT 3uoumuo MS OAI ASUNOLY 4 QAO ir 6 a TA 89 mm d gt TOLUA OOIEUA OT I sd o e e e e e LL e AM t I AO00T COT m Vd JUSUILIOS AS AOSO08LT HI ATH Ze M 6I HSIMNONi REFERENCE INFORMATION PAGE 60 Indoor Board Diagram 0010931601 m E Q GA 3E INDOOR UNIT DIAGRAM ANION GENERATOR d TO ps ne conis UU TT CN002 CN30 DC FAN MOTOR O OCON6 Soe SE KH CON8 CN26 S EG AMBIENT TEMP SENSOR CON1Q FUSE1 SD PIPING TEMP SENSOR SW1 MERGENRY syr OP NswitcH C0N2C T3 15A 250VAC CONGO cuir EES Doo LI C CON9 CON13 CN20 ORoom Card M e CN32 DISPLAY PANEL LOUVER MOTOR OO A A w w bo DO ALLL BEHEE ve L W DISPLAY BOARD i EN D WH Double way air exchange IE NOTES THE PARTS OF DOTTED D AND GARE OPTIONAL REMOVAL OF THE SOCKET CONNECTOR THE UNIT WITHOUT THE HEALTH FUNCTION HAS NOT Socket connector marked with has lock catch when removing press the lock catch and pull R RED B BLACK it backward W WHITE BL BLUE T YELLOW BR BROWN Y G YELLOW GREEN LOCK CATCH REFERENCE INFORMATION PAGE 61 E Vv0 9cS Pro 8NOD HOT 99 E
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11. Dry Mode O Overview The temperature control range in Dry mode is 60 F 86 F This mode is used for the purpose of dehumidification Tr room temperature Ts set temperature When Tr gt Ts 4 F the compressor will turn on and the indoor fan will operate at the set speed When Ts lt Tr lt Ts 4 F the compressor will operate at the high dry frequency for 10 minutes then at the low dry mode for 6 minutes The indoor fan will operate at low speed When Tr lt Ts the outdoor unit will stop and the indoor fan will stop for 3 minutes then operate at the low speed option Automatic fan speed When Tr gt Ts 9 F High speed When Ts 5 4 F lt Tr lt Ts 9 F Medium speed When Ts 3 6 F lt Tr lt Ts 5 4 F Low speed When Tr lt Ts 3 6 F Light speed Note TURBO and QUIET mode must be set using the remote controller If the outdoor fan is stopped the indoor fan will pause for 3 minutes If the outdoor fan is stopped for more than 3 minutes and the compressor is still operating the system will change to light speed mode o Indoor unit To enter the dry mode point the infrared remote control at SEQUENCE OF OPERATION the indoor unit and press the power button then press the DRY mode button if not already set to dry mode The signals received by the infrared receiver are relayed to the main board of the indoor unit to turn the system on and set it to dry mode The indoor unit main
12. PROBLEM SOLVING IPM Protection Outdoor Display Mm Z o LED1 Flashes 2 Times Under this error please ensure the refrigerant system Pm i a pressure is normal with no blockages then replace power i Spare Parts i I module Power module 1 Refrigerant I Es wem em em mm wm mm mm ali EERSTEN TN The compressor starts normally but Is the error displayed before the compressor starts malfunctions are reported after it has operated for a period of time Yes The power module is faulty Yes replace the module Yes Yes Problem persists EE REES refrigerant charge Over current of the Compressor Outdoor Display LED1 Flashes 3 or 24 or 25 Times Spare Parts I I Power module I Refrigerant I Turn the unit on The power module is L zm zl di Is the error displayed before faulty replace the power the compressor starts module The compressor starts normally but malfunctions are reported after it has operated for a period of time Is the power supply Check the refrigerant voltage normal charge Correct the power supply ERROR CODES amp PROBLEM SOLVING PAGE 49 The Communication Fault Between IPM and Outdoor PCB Outdoor Display o LED1 Flash 4 Times L 2 ar O Z Tr I SpareParts Powermodule I I I 1 Check the plugs of MODULE COM and MODULE POWER on the outdoor PCB and IPM modules for secure connections Outdoor PCB 2 Check the P amp N wires betwe
13. generated by the system will be determined by how fast the system s variable speed rotary compressor is pumping The compressor operating speed requirement is determined by the difference between the conditioned space temperature versus the set point established by the homeowner s remote control If a large amount of capacity is needed the compressor will operate at a high frequency speed As the need for capacity reduces and the temperature of the room nears set point the compressor will slow down When set point has been reached the compressor will shut off but the indoor fan will continue to operate Once a difference in temperature is sensed between remote control set point temperature and room temperature the compressor will restart at a new calculated speed If a system sensor determines there is a need to adjust the frequency signal to prevent a system malfunction the compressor frequency may be over ridden and a new frequency established It should be noted that the frequency signal level that is sent to the compressor cannot be determined by a servicing technician In this manual system components operation sensor functions and diagnostic procedures will be explained in greater detail PAGE 5 m E Q GA 3E This page intentionally left blank Outdoor Unit Controls Components Table of Contents m Outdoor Unit Introduction mmmwwvwuwuuwuavvvvvvuvvvvvvvvvvvvvvuvvvvvvvvwvvvvvvvvvuvwvvwvvv 8 E Out
14. of the compressor There can bea delay of up to 3 minutes before the outdoor unit fan and com pressor start Tr room temperature Ts set temperature If Tr Ts the outdoor unit will operate and the indoor fan operates in cold air prevention function If Tr gt Ts the outdoor unit turns off and the indoor fan oper ates at heat residue sending mode If Tr lt Ts the outdoor unit will restart and the indoor fan operates in cold air proof mode The speed of the indoor fan can be controlled manually by the user or automatically by the system The speed can be changed between HIGH MEDIUM and LOW The predeter mined conditions for automatic control are as follows High Speed Tr Ts Medium Speed Ts lt Tr x Ts 4 F Low Speed Tr gt Ts 4 F When the indoor fan is running in automatic mode and there is no delay when the speed switches from high to low the indoor fan will maintain high speed for a period of 3 minutes before switching to low speed Cold air proof operation At initial start of heat mode indoor blower will not be turned on immediately until indoor coil temperature senses a mini mum temperature This period usually takes 30 seconds to 3 minutes depending on the outdoor ambient temperature Set speed Heat start temp 1 Low speed Keep the high Heat start temp 2 p speed The fan Light speed Heat start temp 3 doesn t stop Heat start temp 4 Fan off 4 min
15. 8 e e Vol g e e ee EE EN mm ASLUS7 T Aige Watt ARA HINS a SLUSTO WI OSONPIS TE SE i AOST VIL o MANN EXD e dl Ee LA Re ZASNA AE NOOP 2 Caen OVAOSC VSCL et mm 5 ng a e re e re e e de EE e e e e e e Ta 1 wood l9 H q NODPRIE on a IA NO 1D Ld 1aSN4 ZNO T z 2 B 6NO E 8NO E 9NO Bee SINO FINO ueg DV poods om UBA DV poods so1y L 9 NO LZNO TINDIGUNDOO AvAj mog 1A WOO INO TOV INONOY N OV ED PAGE 59 REFERENCE INFORMATION Z ET C MIZ 9TA wem 2 AM ha d wem f cor Aa re po VLISOd TO e VoL MUS OcON al MOI TEN ASCDZC LUN LTA e i e e ed SI MI A09 F0 wem uir UT T Avocee Pu i 001d007IdON Guth ARE D 0 E 4 OOTUANOETUNINNS ITAA gt y I E T o o e E 001 Z01 Ms NO ASI CO A das Ly 8TA z e 01 S E e e e o I e 9 077 cc E e SES OVADOSC CCC bn A9T NOOT ASZ NOLY T AL S SX a Ly O gt KA
16. IND Z LO LU STO TON ESA ENON INO3dHH JOT EMUO oy uon ZEND SE AS qonas y MBE REFERENCE INFORMATION PAGE 62 S ES d VM YN O ES O a pes ei O O ENGLISH 1 2 3 4 FR106 1A 800V 500ns CON005 D006 ROLO 100 1 4 VCC CON003 En IS 7D003 E EOT 200 10mm Black E 10uF 25V 105 C E 1N4746A 18V 1 W D002 L 1N5399 10V OuF 25V 105 C 1 5K 1 4W D 4 7nF 275VAC SCK084R72 C008 C005 E CONO 200 L7805CV 1 5A Need radiator H 25 15 ED 2 2nF 200V 2 2nF 250V 5V 0 luR275VAC 5 i D008 0 luF bail a 3 CON002 5003 Balins3 do BCK 6 FEI901H ER302 3A 200V 50ns Me BLACK 220VN D007 3 C007 E C006 2 E FR106 1A 800V 500ns 0 1uF M 190 21 4 E R008 E004 E005 g0 5mm Red Black 4 109 1 4W 1000uF 25V 105 C a 220uF 16V 25V 105 C CON004 Switch power supply 200 1 dE I E002 1N4742 K12V 1 W 4 22uF 25V 105 C E This Switch powersupply is designed for 12W 10002 TIP42I 0 luF 50V il Q 1 2W 4 TUEDONLOSE B RTB 1 5 2P L FUSEI CNO 5V N LB2271 32mH 0 35A 2 2nF 250VAC nt Ge Ei R13 CONI T3 15A 250VAC Black SUE ICA R12 220 VAC RVI zm 100K 1 4W D11 R14 COMM TX e 1N4007 prog TVR14561 0 1uF 275VAC 2 2nF 250VAC ES F bos CON2 C8 4 7K 2W White E4 ZDI 5V RED 1N4746A 18V 1 W 100uF 50V 105 C N CN002 Ci Ec R CY3 ES mm i E 2K1 4W a am GND mail 12V Ve ps R26 COMM in A GND C 4 E6 IS ii pd S 1N
17. Stepper Motor Step 1 Disconnect the EEV Stepper Motor plug from the control board connector for this test Failure to do so may provide inaccurate readings Step 2 Refer to the chart shown below for plug pin combinations and resistance values white Yetow Orange Bue Red Ss szsonm aroom gt mi0m aroom TT as f aa E NN White Yellow Be RS Step 3 Re seat the plug on the connector at the conclusion of the test o Checking the PFC Reactor Step 1 Disconnect wires from terminals Ll and LO of the power module board Step 2 Using an Ohmmeter check the resistance value of the PFC Reactor The resistance value of the coil is less than 1 Ohm If the resistance value differs from this value verify the ERROR CODES amp PROBLEM SOLVING wiring and connections to the PFC Reactor as well as the PFC Reactor itself Repair or replace as necessary Step 3 Reconnect the wiring to the module board at the conclusion ofthe test Checking the Socket Protect component Step 1 Disconnect the Socket Protect plug from the control board connector for this test Failure to do so may provide inaccurate readings Step 2 Using an Ohmmeter check the resistance value of the Socket Protect component The resistance reading should be O Ohms If it is not replace the component Step 3 Re seat the plug on the connector at the conclusion of the test e Checking the Compress
18. WARNING Failure to follow any of WARNING is likely to result in grave consequences such as death or serious injury NCAUTION Failure to follow any of CAUTION may in some cases result in grave consequences a zh ar O Z Tr The following safety symbols are used throughout this manual ap Be sure to observe this instruction QD Be sure to establish an earth connection O Never attempt After completing installation test the unit to check for installation errors Give the user adequate instructions concerning the use and cleaning of the unit according to the Operation Manual Installation should be left to the dealer or another professional Improper installation may cause water leakage electrical shock or fire Install the air conditioner according to the instructions given in this manual Incomplete installation may cause water leakage electrical shock or fire Besure to use the supplied or specified installation parts Use of other parts may cause the unit to come lose water leakage electrical shock or fire Install the air conditioner on a solid base that can support the unit s weight An inadequate base or incomplete installation may cause injury in the event the unit falls off the base Electrical work should be carried out in accordance with the installation manual and the national electrical wiring rules or code of practice Insufficient capacity or incomplete electrical work may cause electrical sho
19. a 3 minute wait period before the compressor and outdoor fan start WARNING Do not measure compressor voltages damage to the meter may result Ifthe ambient room temperature is less than the set tem perature yet higher than 2 F below the set temperature the system will adjust the running frequency of the compressor automatically according to changes in ambient temperature SEQUENCE OF OPERATION The outdoor unit main board also controls the position of the EEV Electronic Expansion Valve to regulate the flow of refrigerant to the indoor unit evapora tor coil o Temperature sensors Four temperature sensors located in the outdoor unit provide temperature information to the outdoor unit main board for control of the system during cool mode The outdoor ambient temperature sensor provides the temperature of the air drawn into the condenser coil of the outdoor unit The defrost temperature sensor provides the temperature sensed at the output of the condenser coil The suction line temperature sensor provides the tempera ture sensed at the incoming suction line pipe The compressor discharge sensor provides the temperature sensed at the discharge pipe of the compressor o Call to Terminate Cooling The system will call to terminate cooling when the indoor am bient temperature sensor is equal to or lower than 2 F of the room set temperature The indoor control board will com municate to the outdoor control board to de
20. and the floor should be more than 6 5 ft INSTALLATION Attention must be paid to the rising up of drain hose more than 10 in Step 2 Installation of the Indoor Unit Attaching the Mounting Plate to the Wall step 2 1 Using a stud sensor locate and mark the stud positions in the wall where the indoor unit is to be mounted Q step 2 2 Place the mounting plate on the wall in the desired location taking into account the minimum clearances necessary for proper operation m Z Q GA E Using a level verify the mounting plate is horizontal and mark the screw locations eo Step 2 3 Screw the mounting plate to the wall The piping for the indoor unit may be routed to the unit from one of several directions Left Left Rear Right Right Rear or Below Illustration 1 o Step 2 4 Knockouts are provided on the case for Left Right and Right Below Drilling the hole through the wall for left rear or right rear installation Q step 2 5A 2 5B Measure and mark the location where the piping hole is to be drilled Q step 2 6 Drill the piping hole using a hole saw ofthe correct diameter Angle the drill with a downward pitch to the outside wall so that the outside hole will be 14 lower than the inside hole giving the hole the proper angle for condensate drainage O step 2 7 Install the piping hole cover flange at the hole opening on the inside wall NOTE The c
21. automatic control are as follows Tre room temperature Ts set temperature High Speed Tr lt Ts 5 4 F Medium Speed Ts 1 8 F x Tr lt Ts 5 4 F Low Speed Tr x Ts 1 8 F or when the sensor is off There will be a 2 second delay when manually controlling the speed The outdoor unit temperature sensors outdoor ambient defrost suction line and compressor discharge used in conjunction with the indoor temperature sensors indoor ambient and tube provide information to the outdoor control board to monitor the system and regulate the frequency of the compressor EEV positioning and outdoor fan speed to achieve the desired room temperature When cooling has been satisfied the outdoor unit compres sor will turn off followed by the outdoor fan The indoor unit fan will continue to run If the system detects a malfunction it may shut down or show an error code on the indoor unit display board and or outdoor unit main board LED PAGE 28 Indoor Unit To enter the cool mode point the infrared remote control at the indoor unit and press the power button then press the COOL mode button if not already set to cool mode The signals received by the infrared receiver are relayed to the main board of the indoor unit to turn the system on and set it to cool mode The indoor unit main board will activate the display of the indoor unit illuminating the display indicating the room tem perature and current status of
22. board will activate the display of the indoor unit illuminating the display indicating the room tem perature and current status of the unit The indoor unit main board will signal the louver stepper mo tor to open the louver to either a stationary position or one of several oscillating modes As the louver opens the indoor unit main board will power up the indoor fan motor operating the fan at the speed last set The indoor fan motor has a feedback circuit which provides the indoor unit main board with information for controlling the speed of the fan motor e Temperature sensors The indoor unit has two sensors that provide temperature information to the indoor unit main board The sensors an indoor ambient temperature sensor and pipe temperature sensor are used for controlling the system during dry mode Theresistance values of the sensors will vary with tempera ture The resistance to temperature values can be found using a temperature resistance chart specific to the sensor being checked Communication The indoor and outdoor unit main boards communicate via a digital signal on the wire connected to terminal 3 of each unit A splice or break in this wire will cause a communication error When a command is received from the remote control the indoor unit main board communicates with the outdoor unit main board via the terminal 3 wire to perform the requested function Outdoor unit Upon a request for dry mode
23. by the control circuitry will cause the compressor frequency to increase or decrease see chart below If a temperature of gt 230 F is sensed for 20 seconds an exhaust overheating protection error code will be indicated at the outdoor unit TTC F Abnormal stop Decreasing the frequency rapidly 1HZ 1second Decreasing the frequency slowly 1HZ 10 seconds The frequency doesn t change Increasing the frequency 1HZ 10 seconds Increasing the frequency 1HZ 1second o 2 Overheating protection for indoor unit The indoor tube sensor senses the temperature of the indoor heat exchanger If the temperature sensed is greater than 133 F the com pressor frequency will decrease to prevent overheating of the heat exchanger If Tc gt 133 F for more than 10 seconds the compressor will stop and an error code will be indicated at the outdoor unit If the compressor is off for 5 minutes and Tc lt 118 F the com pressor will restart If the temperature sensed is lower than 118 F the protection function is canceled SEQUENCE OF OPERATION The compressor stops Fgh t1 149 F 59 F ice temp 3 5 N Decreasing the frequency rapidly Fgh t2 138 F P Decreasing the frequency slowly Fgh t3 131 ZE Increasing slowly 46 F ice temp 3 2 Fgh t4 2 Q Prohibiting increasing the frequency Fgh H 124 F om ROSE SHE R Increasing slowly Fgh t5 117 F 43 F Fgh_t5 2 43 F 41 F 37 F 32 F De
24. connection O step 4 3 mm M Gas side 15 88mm 5 8 Table 1 Two wrenches are required to join the flare connections one standard wrench and one torque wrench See Table 1 for the specific torque per piping diameter INSTALLATION PAGE 39 L A ar O Z Tr Step 5 Leak Test and Evacuation Leak Test Hazard of Explosion Never use an open flame to detect gas leaks Explosive conditions may occur Use a leak test solution or other approved methods for leak testing Failure to follow recommended safe leak test procedures could result In death or serious injury or equipment or property damage Use only dry nitrogen with a pressure regulator for pressurizing unit Do not use acetylene oxygen or compressed air or mixtures containing them for pressure testing Do not use mixtures of a hydrogen containing refrigerant and air above atmospheric pressure for pressure testing as they may become flammable and could result in an explosion Refrigerant when used as a trace gas should only be mixed with dry nitrogen for pressurizing units Failure to follow these recommendations could result in death or serious injury or equipment or property damage Q step 5 1 Using a tank of nitrogen with attached regulator charge the system with 500 PSIG of dry nitrogen Use adapter AD 87 field supplied to connect to the valve Check for leaks at the flare fittings using soap bubbles o
25. energize the compressor The outdoor fan will run for 60 seconds before stopping The indoor fan motor and louver will continue operating after cooling has been terminated To stop cool mode press the power button to turn the sys tem off or change to another mode o Freeze protection function To prevent freezing of the indoor unit coil during cool mode when the compressor operates continuously for 10 seconds and the temperature of the indoor coil has been below 32 F for 10 seconds the compressor will stop and the error will be recorded in the malfunction list The indoor unit fan will continue to operate When the temperature of the indoor coil rises to 45 F for more than 3 minutes the compressor will restart and the system will continue functioning Heat Mode o Overview The temperature control range in heating mode is 60 F 86 F The temperature set by the remote control and the indoor unit ambient temperature sensor will determine if a call for heat is needed If a call for heat is justified a temperature compensation adjustment is automatically added to the SEQUENCE OF OPERATION operating parameter and the call is communicated from the indoor unit to the outdoor unit The indoor unit louver will open using a stepper motor The indoor fan will not operate at this time The outdoor unit will shift the 4 way valve to the heat mode position and determine the position of the EEV if equipped and speed frequency
26. enough factory charge for up to 25 feet of connecting refrigeration tubing The tubing connects using flare type fittings at both the indoor and outdoor units Tubing must be sized per the specifications Both lines must be insulated The only method of checking charge or adjusting charge is by weight method explained in this manual No exceptions The condensate system is a gravity type A field installed condensate pump may be added to the system Always follow the manufacturer s installation instructions when installing a condensate pump Proper clearances at both indoor and outdoor units must be maintained Improper clearances cause system conditions that include high refrigerant pressure low refrigerant pressure and indoor coil freezing problems O Fundamental Theory Of How System Works The indoor unit will sense room temperature at the point where the wall unit is installed The indoor fan will run continuously when placed in heating or cooling mode operation and will not cycle on and off with the outdoor unit If it did room temperature could not be sensed or INTRODUCTION maintained The inverter compressor system in the outdoor unit will vary the refrigerant flow and indoor air volume levels to match the cooling requirement inside the conditioned space If an abnormal condition is detected by the system s sensors the system has the ability to take reactive measures The amount of refrigerant flow and associated capacity
27. extra ventilation 5 Avoid installing the outdoor unit where corrosive gases such as sulfur oxides am monia and sulfurous gas are produced If unavoidable consult with an installation specialist about using a corrosion proof or anti rust additive to protect the unit coils Clearances of Indoor and Outdoor Units This picture is for reference only Your product may look different Read this manual before installation Explain the operation of the unit to the user according to this manual Outdoor unit mounting dimensions Unit mm inch En ine For O9k 12k 18k 24k x Y z 5 12 19 116 10 Vie 140mm 500mm 256mm 5 12 19 116 10 Ae 140mm 500mm 256mm 12 16 319 5mm 24 15 16 633mm 13 38 340mm 47 6 22 15 16 113 5mm 583mm 4 Ae 113 5mm Mounting the Outdoor Unit e Mount the unit to concrete or a block with bolts 10mm and nuts firmly and horizontally When mounting the unit to a wall or roof take strong winds and other environmental conditions into consideration when securing If vibrations effect the house mount the unit using a vibration proof mat PAGE 36 The models adopt HFC free refrigerant R410A more than 4 in 1 EI more than 4 in Arrangement of piping directions Rear left Rear right D Right Below more than 8 in O The marks from Ato G in the figure are the parts numbers e The distance between the indoor unit
28. is unlikely to ever have an electrical failure of this component The Reactor is electrically connected to the Module Board on terminal connections CN 7 and CN 8 PAGE 10 Compressor The compressor is a three phase DC inverter driven Rotary type The compressor is capable of variable speed operation The compressor operating frequency will be determined by the temperature difference between set point and room or outdoor air temperature Cool Mode versus Heat Mode The compressor is electrically connected to the Module Board on terminal connections CN 2 CN 3 and CN 4 The compressor has an internal temperature overload that will open if the compressor becomes too hot Additional protection of the compressor will be provided by the Compressor Discharge Temperature Sensor and Suction Line Temperature Sensor Outdoor Fan Motor The outdoor fan motor is a variable speed motor The required motor speed is calculated by the Main Control Board The motor is electrically connected to the Main Control Board via PLUG CN 21 In COOL MODE operation the motor will slow down as outdoor air temperature falls In HEAT MODE operation the motor will increase speed as the outdoor air temperature falls OUTDOOR UNIT CONTROLS amp COMPONENTS d The Discharge Temperature Sensor is a Negative Coefficient thermistor that senses the temperature of the compressor hot gas The Main Control Board monitors the temperature of th
29. on this series H Sleep mode Press the Extra Function button to enter additional options cycle the button to display the 0 icon the TI CONFIRM icon will flash Press the Confirm Cancel amp button to enter the sleep function Sleep Operation Mode 1 SLEEP mode during COOL DRY modes One hour after SLEEP mode starts the temperature will rise 2 F above set temperature after another hour the temperature rises an additional 2 F The unit will run for an additional six hours then turns off The final temperature is 4 F higher than the initial set temperature Using this feature will help with achieving maximum efficiency and comfort from your unit while you sleep SLEEP operation starts SLEEP operation stops Temp setting In COOL DRY mode Unit stop 2 SLEEP mode during HEAT mode One hour after SLEEP mode starts the temperature will decrease 4 F below set temperature after another hour the temperature will decrease an additional 4 F After an additional three hours the temperature will rise by 2 F The unit will run for an additional three hours then turns off The final temperature is 6 F lower than the initial set temperature Using this feature will help with achieving maximum efficiency and comfort from your unit while you sleep Temp setting Unit stop SLEEP operation stops In HEAT mode 3 In AUTO mode The unit operates in corresponding sleep mode adapted to the a
30. or rupture resulting in injury During pump down stop the compressor before removing the refrigerant piping If the compressor is still running and the stop valve is open during pump down air will be sucked in while the compressor is running causing abnormal pressure and no condense able added to the system Besure to establish a ground Do not ground the unit to a utility pipe arrester or telephone earth In complete earth may cause electrical shock or fire A high surge current from lightning or other sources may cause damage to the air conditioner Do not install the air conditioner in a place where there is danger of exposure to inflammable gas leakage O Ifthe gas leaks and builds up around the unit it may catch fire Establish drain piping according to the instructions of this manual Inadequate piping may cause flooding e Tighten the flare nut according to the specified method such as with a torque wrench If the flare nut is tightened too hard the flare nut may crack after a long time and cause refrigerant leakage Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals Small animals making contact with electrical parts can cause malfunctions smoke or fire Please instruct the customer to keep the area around the unit clean PAGE 4 INTRODUCTION Introduction o Introduction to System Single Zone Ductless Split System Heat Pumps feat
31. the cover plate opening and make the wiring connections noting the wire color used on each terminal The color of each wire must match the same positions on the terminal block of the outdoor unit Illustration 3 L A O Z Tr Step 2 10 mounting plate Illustration 2 Failure to wire the system correctly may lead to improper Step 2 12 Step 2 13A operation or component damage e Outdoor unit Indoor unit sly sly o E gt 3wire 14AWG After the terminal block wiring is completed replace both cover plates Control Wiring o Step 2 13B Illustration 3 Step 3 Installation of the Outdoor Unit Attaching Drain Elbow to Outdoor Unit Heat Pump models only EB step 3 1 If attaching the supplied drain elbow to the outdoor unit do so prior to attaching the refrigerant lines and wiring Extension piping to attach to this fitting is field supplied Step 3 1 Step 3 2 Electrical Connections for the Outdoor Unit o Step 3 2 Remove the cover plate of the outdoor unit to expose the terminal block connections PAGE 38 INSTALLATION o Step 3 3 Connect the wiring for both the power source and indoor wiring Wire the system according to applicable national local codes Verify that the wiring connections for the indoor unit match wire for wire 1 1 2 2 3 3 Gnd Gnd Failure to wire the system correctly may lead to improper operation or
32. the outdoor unit main board applies power to the outdoor fan motor and compressor Depending on system cycling there may be up to a 3 minute wait period before the compressor and outdoor fan start WARNING Do not measure compressor voltages damage to the meter may result The outdoor unit main board also controls the position of the EEV Electronic Expansion Valve to regulate the flow of refrigerant to the indoor unit evapora tor coil PAGE 31 m Z Q GA al L ar O Z Tr e Temperature sensors Four temperature sensors located in the outdoor unit provide temperature information to the outdoor unit main board for control of the system during dry mode The outdoor ambient temperature sensor provides the temperature of the air drawn into the condenser coil of the outdoor unit The defrost temperature sensor provides the temperature sensed at the output of the condenser coil The suction line temperature sensor provides the tempera ture sensed at the incoming suction line pipe The compressor discharge sensor provides the temperature sensed at the discharge pipe of the compressor To stop dry mode press the power button to turn the system off or change to another mode Defrost Operation Defrost cycle will initiate if any of three conditions are met Te Defrost temperature sensor Tao Outdoor ambient temperature sensor Tes Condensation point temperature 1 Tes gt 23 F and Te lt
33. the unit The indoor unit main board will signal the louver stepper mo tor to open the louver to either a stationary position or one of several oscillating modes As the louver opens the indoor unit main board will power up the indoor fan motor operating the fan at the speed last set The indoor fan motor has a feedback circuit which provides the indoor unit main board with information for controlling the speed of the fan motor Temperature sensors The indoor unit has two sensors that provide temperature information to the indoor unit main board The sensors an indoor ambient temperature sensor and pipe temperature sensor are used for controlling the system during cool mode Theresistance values of the sensors will vary with tempera ture The resistance to temperature values can be found using a temperature resistance chart specific to the sensor being checked Communication The indoor and outdoor unit main boards communicate via a digital signal on the wire connected to terminal 3 of each unit A splice or break in this wire will cause a communication error When a command is received from the remote control the indoor unit main board communicates with the outdoor unit main board via the terminal 3 wire to perform the requested function O Outdoor unit Upon a request for cooling the outdoor unit main board ap plies power to the outdoor fan motor and compressor Depending on system cycling there may be up to
34. 0565 19 as NIIN e PAGE 68 REFERENCE INFORMATION Ambient Defrosting Pipe Sensor Tables Max KQ 1 Nod ICO 21 8398 Min KQ 20 6939 Tolerance C 1 18 1 14 1 12 1 09 1 07 1 05 1 03 1 01 O 9 N 0 87 0 85 0 83 0 80 0 78 0 75 0 75 0 76 0 80 0 83 0 86 9 95 0 97 1 00 1 04 1 07 1 11 1 14 1 18 1 22 1 25 1 29 1 55 1 56 1 40 1 44 1 47 1 51 1 55 1 59 1 62 1 66 1 70 1 74 1 78 REFERENCE INFORMATION PAGE 69 m Z Q E GA nu Ambient Defrosting Pipe Sensor Tables Temp F Temp C Max KQ Normal KQ Min KQ Tolerance C 1 82 1 85 1 89 1 93 1 97 2 01 2 05 2 09 2 13 2 17 2 21 2 25 2 29 2 34 2 58 2 42 2 46 2 50 2 54 2 58 2 65 2 67 2 71 2 75 2 80 2 84 2 88 2 93 2 97 5 01 3 06 3 10 3 15 3 19 3 24 3 28 5 55 5 57 5 42 5 46 5 51 5 55 5 60 5 64 5 69 5 74 5 78 5 85 L a O Z Tr PAGE 70 REFERENCE INFORMATION Ambient Defrosting Pipe Sensor Tables Temp F Temp C Max KQ Normal KO Min KQ Tolerance C 3wawxras 24 ns osso os ss 516 49 Discharging Sensor Tables Temp F Temp C Max KQ Normal KQ Min KQ Tolerance C HSITONA I gt i e E n E 3699 5139 3171 3148 2716 0828 2 30 REFERENCE INFORMATION PAGE 71 Discharging Sensor Tables Temp F Temp C Max KQ N
35. 23 F 2 5 F lt Tes lt 23 F and Te lt Tes 3 Tes lt 5 F and Te lt 5 F Tes C X Tao a Tao lt 32 F C 08 Tao gt or 32 F C Op a 6 The minimum time interval between defrost cycles is 45 minutes When the defrost cycle begins the following conditions take place 1 The compressor will stop for 1 minute 2 The outdoor fan will continue to operate at high speed 3 After 50 seconds the 4 way valve will shift to the cool mode position 4 5 seconds later the outdoor fan will stop 5 After 1 minute the compressor will start The outdoor unit will now defrost The defrost cycle runs continuously for approximately 10 minutes The system will exit the defrost cycle if any of the following conditions are met 1 The condenser maintains a temperature above 45 F for 80 PAGE 32 seconds 2 The condenser maintains a temperature above 54 F for 5 seconds Upon exiting the defrost cycle the following conditions will take place 1 The compressor will stop 2 The outdoor fan will operate at high speed 3 50 seconds later the 4 way valve will shift to the heat mode position 4 60 seconds later the compressor will start The system resumes normal operation Protection Functions O 1 TTC high temperature protection The compressor discharge pipe sensor exhaust temp senses the temperature of the refrigerant exiting the com pressor The sensed temperature received from the sensor
36. 4007 2K2W ma 805mm Bed Black Ap 0 1uF NEW FREEMATCH COMCIRCUIT 220uF25V 105 C 1 2 a 4 PAGE 63 REFERENCE INFORMATION Module Board Schematic a zh ar O Z Tr fo npe D ich R2 222 C016 47 23 108 CNI AR PAGE 64 REFERENCE INFORMATION Room and Pipe Sensor Tables Temp F Temp C Max KQ Normal KO Min KQ Tolerance C DS um omo som somo am re Ds rsss sumo eso o ama Ds sa soc ams 18 Du do sas sacos vos am se Do ns sessm 75454 cosmo am as Da os saio msmo css aro as Ds e ss riso co am as sits vossa casos seoses o as 3 o sues seoses e as a 3320 ae Ds Ss Sos aco ena asa aa Ds s dese 44e sei as 3 Da os ssa sos srs sa as Ds 4 ss soe sas as ass DD 0 saco soz cos as az Ds 4 ess 250651 asso as o DS s cuia cas au o ms Ds amp cisma 2085 19 59 ais E Ds 5 205 1999 esa ais ao Ds du sem isso 31529 ao os Ds 515 ss ize sais cos 0 Da 16 sas saco sao 098 om m E Q P GA zi NIIN e REFERENCE INFORMATION PAGE 65 Room and Pipe Sensor Tables Temp F Temp C Max KQ Normal KO
37. BIS oui Jo dooT si gig E ALIHM M KRIS JossoJduoo y 40 v Ss gt 2 3 A ES 81 eugou ay uoJj ojerAe gt m l a ml o qe Sur1eog ey eJn Iej gosues oJgnjejgeduoe jsneux z E S INTIVA NOISNYdXA mm teta ZI oJn I9j 4osuas oJnjeJoduo quo Tquy E z gt 2 OTALA TA 4 E ojo oSuegoxo are oJn Ie JOSUOS ii Oo O yaa Kem o 8urs 09 i OT one Iodo oo Ta 5 Wi el Fi i oJnjeJgoeduo 3sneyxo H i I i i e T i 8 IOJ UO0TIDIJOAA JPIYIDA I I T I I i l 9 MOT IO USTU 00 SI 98031I0A JOMOJ i i I URS i PY aucem zr J o Josse4duoo ey JOJ UOTID9IJOLA I I i d HAM IND POWER 1B9uU49A0 10 oJnssoJd Toun i i Li WMTTTIT I Gi 3 Son e e Hhidbi d nme li 1g eh ad T E y j nej uorjeorunlo UNO BLNOJ6LNO DH 29 PT TTT rasa IND TIOLIAIOSTO O TI CND VENOSLNO E A 6 U0T79970J1d O a a DEN aa i zu A E 6 MAT Jo UOT999701d ML parto 4 gt I IOIIO WONdH4 4oopano Iz E 6N9 Jenof De yseTa VO COT rosad 1 lt SEL Q A Ge Y VWO4 IOdLNOO NIVIN as 7 a 5 E m YNO Tr SNA Z ee A f ZNO S Cie o O YCNO TO Jd I cNO co KS 3 CONO ENO LNO L cc O SUIOIAJOS eet ges e la M dE EUN 1898 2310399 AOT 24 u u3 E sso ST preoq e npou uo N pue WO e d 40129uu02 USIMIDQ 2801704 y UILIUOD 01 491591 9511 Pue IIO YOLOVAN 24d Sn d 193je sojnuiu C Sto 3e ZNOENOYNO SNO 3Tem 07 ems oq JoJes ANOA JO i i Lala i mm ZNO pm JIo sS
38. E Ductless Split Air Conditioner Haler Indoor Outdoor HSUO9VHG DB W HSUO9VHG DB G HSU12VHG DB W HSU12VHG DB G HSU18VHH DB W HSU18VHH DB G Service Manual HSU24VHG DB W HSU24VHG DB G Design may vary by model number Please read this manual before using the air conditioner e Keep this user manual for future reference Table of Contents Safety PRECAUTIONS Introductorio 3 Outdoor Unit Controls and Components Geet ancladas 7 Indoor Unit Controls and Components orina huie Eae E ioa deas ese eren Er Us peseta nica SR REESE 13 Remote Control FunctioH s sms ni nku d sacana Ress D EUREN ERUIT ISIN EA steel 19 Sequence EENS 27 JN dE du EE 35 Error Codes and Problem SOIVING crias 45 Reference information a cecet ix eus PER RR dRu RN RE VE EX UA NN AR os 57 PAGE 1 This page intentionally left blank Introduction Table of Contents Mm Safety PES CA ENO INS AAA O sash anneenebehteababanseanaanechuushatenedsdedeuanqegcesoitinaets 4 E EAI Tero E OC IU ONS NNNM 4 d Introduction e EE 5 WT Specifications for proper operation should be followed e eiiis EEN 5 E Fundamental Theory OF How System RE 5 INTRODUCTION PAGE 3 Safety Precautions Read these Safety Precautions carefully to ensure correct installation This manual classifies the precautions into WARNING and CAUTION Besure to follow all the precautions bellow they are all important for ensuring safety
39. ERATION PAGE 27 L O Z Tr System Power The 240 Volt AC power for the system connects to terminals 1 N 2 L and ground of the outdoor unit terminal block This terminal block also has terminals to connect power to the indoor unit The voltage readings between terminals 1 N and ground and terminals 2 L and ground should be 120 VAC The voltage reading between terminals 1 N and 2 L should be 240 VAC One additional connection on the terminal block 3 is for the communication wire between the indoor and outdoor units NOTE Mis wiring of these connections may cause improper operation or damage to system components Cool Mode e Overview The temperature control range in cooling mode is 60 F 86 F The temperature set by the remote control and the indoor unit ambient temperature sensor will determine if a call for cooling is needed If a call for cooling is justified the call is communicated from the indoor unit to the outdoor unit The indoor unit louver will open using a stepper motor and the indoor fan will operate at the speed last set The outdoor unit will determine the position of the EEV and speed frequency of the compressor There can be a delay of up to 3 minutes before the outdoor unit fan and compressor start The speed of the indoor fan can be controlled manually by the user or automatically by the system The speed can be changed between LOW MEDIUM and HIGH The predeter mined conditions for
40. EXTRA FUNCTION button to enter addi tional options Press this button repeatedly to access the louver settings Cycle the button to the louver icon pres ent position then press the CONFIRM CANCEL button to cancel the function Notice Do not reposition the horizontal louver by hand This may cause the louver to run incorrectly and not match the icon displayed on the remote control If the louver is not running correctly turn the unit off for one minute then back on and adjust the louver setting with the remote control Note 1 After setting the intelligent airflow function the louver position is fixed 2 In cooling it is better to select the DY mode 5 In heating itis better to select the uw mode 4 In cooling and dry modes using the air conditioner for a long period of time under high humidity conditions con densate water may form on the grille louver E Right and left airflow setting This will adjust the left and right airflow of the unit Press PAGE 21 m Z Q GA al L zh ar O lt Tr the Extra Function button until IND is displayed This will adjust the left and right positioning of the louvers Press the Confirm Cancel button to apply the set ting F A B Yard This will allow you to control two separate units with a single remote control Note this feature would be setup at the time of installation by the contractor G 50 F low temperature heating Feature not available
41. If the remote control is non functional the Emergency right or left depending upon selections made at the remote Button can be accessed by swinging open the front of the wall control unit The button is located on the right side The motor is connected to the indoor control board at PLUG Pushing this button will activate AUTO MODE operation CN 11 AUTO MODE activated with this button will maintain 75 F The system will stay in this mode until commands are remote control The Indoor Fan Motor is a variable speed motor The motor will vary speed with the speed of the compressor inverter The speed can also be set at the remote control or automatically adjusted using the AUTO fan mode When in AUTO fan mode the speed of the fan is calculated using the indoor set temperature and the indoor room ambient temperature Outdoor air temperature in heat mode The Fan Motor is connected to the indoor control board via PLUG CN 9 INDOOR UNIT CONTROLS amp COMPONENTS PAGE 17 This page intentionally left blank Remote Control Functions Table of Contents Remote Controller 1 ER PE PERDERE RR 20 Remote Controller 2 EE 23 m Z Q E GA s REMOTE CONTROL FUNCTIONS PAGE 19 L O Z Tr Remote Controller 1 AB CIO s 6 CH ON E SI ol CONFIRM CANCEL LIGHT RESET 1 Power Button Press the ON OFF O button on the
42. Min KO Tolerance C a s soss mass us om 090 a re rama com om RR same ses emo com oes Do 3 ss rss tas com om Ds 6 os os caso am 2 L zh ar O Z Tr PAGE 66 REFERENCE INFORMATION Room and Pipe Sensor Tables Temp F Temp C Max KQ Normal KQ Min KQ Tolerance C Das 66 ases zoos 2006 aao O as Dis s 224 20605 asia 24 23 Ds 6 2162 2om asse cosa 255 we o asm asas m so am 38 8 3e 31 9 3s m sa 5 Ds 8 siso som sme ss sa 3 50 sis som Oss ss s 3 59 3 sos osso ose s s ras s ss so ora 39 ss 25 ss ose oasis one ao 39 D o s se ss rms o so Dm 365 om oc oc o sm Dm 306 Jum ose ss us am Dm no os osm os us an REFERENCE INFORMATION PAGE 67 Room and Pipe Sensor Tables Temp F Temp C Max KQ Normal KO Min KQ Tolerance C CO oa e oso osa ons se o Ambient Defrosting Pipe Sensor Tables L zh ar O Z Tr Temp F Temp C Max KQ Normal KO Min KQ Tolerance C Da fu eo ns sms aro as Ds E us Leen 2o Tra ass s us Joost casos 58985 os asa 3 es im 56
43. N is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature The will be displayed during COOL mode Q HEAT Button In HEAT mode warm air will blow out after a short period of the time due to cold air prevention function When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature The will be displayed during HEAT mode O DRY Button DRY mode is used to reduce humidity In DRY mode when room temperature becomes lower than temp setting 2 F unit will run intermittently at LOW speed regardless of FAN setting The will be displayed during DRY mode O Temperature Buttons Temp Every time the button is pressed the temperature setting increases Temp Every time the button is pressed temperature setting decreases The operating temperature range is 60 F 86 F 16 C 30 C e AUTO Button Under the mode of auto operation the air conditioner will automatically select Cool Heat or Fan operation according to set temperature When FAN is set to AUTO the air condi tioner automatically adjusts the fan speed according to room temperature The will be displayed during AUTO mode Q Fan Button Fan speed selection Press the FAN 8 button For each press fan speed changes as follows Remote control Display a P ll circulated LOW MED HI AUTO The air conditioner fan will run according to the displa
44. anceling timer and other functions O LOCK Button Used to lock buttons and LCD display S LIGHT Button Turns indoor unit display on and off RESET Button If the remote control is not functioning properly use a pen point or similar object to depress this button to reset the remote REMOTE CONTROL FUNCTIONS Remote Controller 2 o Power Button Press the ON OFF button on the remote control to start the unit O TURBO QUIET Button The TURBO function is used for fast heating or cooling Press the TURBO QUIET button once and the remote control will display the TURBO A icon on the bottom right side of the remote display and switch the unit to the TURBO function The QUIET function may be used when silence is needed for fast rest or reading Press the TURBO QUIET button again to switch to QUIET mode and the remote control will display the QUIET DN icon on the bottom left side of the remote display Press the TURBO QUIET ERE button a third time to cancel TURBO QUIET and return to normal operation REMOTE CONTROL FUNCTIONS Note TURBO QUIET modes are only available when the unit is un der cooling or heating mode not for auto or fan mode Running the unit in QUIET mode for along period of time may cause the room temperature to not reach the set temperature If this occurs cancel QUIET mode and set the fan speed to a higher setting coo Button In COOL mode the unit operates in cooling When FA
45. ck or fire Besure to use a dedicated power circuit Never use a power supply shared by another appliance For wiring use a cable long enough to cover the entire distance with no connection Do not use an extension cord Do not put other loads on the power supply use a dedicated power circuit Failure to do so may cause abnormal heat electric shock or fire Use the specified types of wires for electrical connections between the indoor and outdoor units Firmly clamp the interconnecting wires so their receive no external stresses Incomplete connections or clamping may cause terminal over heating or fire After connecting interconnecting and supply wiring be sure to shape the cables so that they do not put undue force on the electrical covers or panels Install covers over the wires Incomplete cover installation may cause terminal overheating electrical shock or fire e If any refrigerant has leaked out during the installation work ventilate the room The refrigerant produces a toxic gas if exposed to flames After all installation is complete check to make sure that no refrigerant is leaking out The refrigerant produces a toxic gas if exposed to flames When installing or relocating the system be sure to keep the refrigerant circuit free from substances other than the specified refrigerant R410A such as air Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise
46. component damage O Step 3 4 Replace the cover plate Step 4 Interconnecting the Indoor and Outdoor Units See Steps 2 11 2 13 amp 3 2 3 4 for connecting the electrical The standard lineset length is 25ft If the installation length is different adjust the refrigerant charge by 2 oz ft for the 9K HSITONA e Max Elevation A Max 12K 18K and 24K model Illustration 4 32ft 10m 09k 12k li 50ft 15m 18k 24k O e In case the height of A is more than TM Oil trap 15ft 5m an oil trap should be Cut the lineset to length flare and attach the piping to the Ed IN o outdoor unit valves Im e LED m Torque the fittings to the specifications shown in the torque 80ft 25m 18k 24k chart a Step 4 1 Illustration 4 Refrigerant piping connections for the mini split system are made utilizing flare connections Follow standard practices for creating pipe flares When cutting and reaming the tubing use caution to prevent dirt or debris from entering the tubing Remember to place the nut on the pipe before creating the flare o Step 4 2 Step 4 1 To join the lineset piping together directly align the piping are un Foread fastening without careful centering may E A a all union are nu d the thread d leak f flare to the fitting on the other pipe then slide the nut onto Se i i es HE OC the fitting and tighten Misalignment may result in a leaking
47. creasing slowly Normal Decreasing rapidly ice_temp_1 m E Q JE o aE N Decreasing at the speed of 1HZ 1 second P Decreasing at the speed of 1Hz 10 seconds Q Continue to keep the last time instruction cycle R Increasing at the speed of 1Hz 10seconds 3 Compressor overcurrent protection If the current draw of the compressor at start up is greater than the overcurrent point listed on the chart below for ap proximately 3 seconds the compressor will stop and a code will be indicated at the outdoor unit After 3 minutes the compressor will try to restart If the overcurrent condition occurs 3 times in 20 minutes the system will lock out and a code will be indicated at the outdoor unit It will be necessary to remove power to the system to reset the lock out condi tion The frequency of the compressor may change depending on the current draw at start up Refer to the chart and current Hz table shown below Greater than current 1 Decreases 1Hz second Greater than current 2 Decreases O 1Hz second Greater than current 3 No change Over Decline Decline Decline current Speed Speed Speed Point Current 1 Current 2 Current 3 o 4 Anti freeze protection of the indoor heat exchanger The temperature sensed by the indoor unit tube sensor is used to determine what frequency the compressor is to run at for freeze protection Tpg indoor indoor unit pipe sensor temperature When Tpg indoor lt Tpg1 the frequency
48. d up to 24 hours 4 Confirm timer setting After adjusting the time press the CONFIRM CANCEL button and confirm the time ON or OFF icon stops flashing and remains displayed 5 Cancel timer setting Press the TIMER button repeatedly until the time display clears REMOTE CONTROL FUNCTIONS Note Holding the a v button down will rapidly cycle the time After replacing batteries or a power failure occurs the time setting will need to be reset According to the Time setting sequence of TIMER ON or TIMER OFF either Start Stop or Stop Start can be achieved D EXTRA FUNCTION Button Function A Fan Mode Is indicated by the icon Only the fan will operate in this mode See section 8 FAN Button for changing the fan settings B Intelligent upward airflow CJ Intelligent downward airflow DJ Reset intelligent airflow position 1 Press the ON OFF button on the remote control to turn the unit on Select the desired operating mode 2 Setting the intelligent airflow function Press the EXTRA FUNCTION button to enter ad ditional options Press this button repeatedly to access the louver settings The louver icon will cycle through the following three settings EEN Healthy Present FS airflow airflow gt e osition A upward M downward P Select the desired position then press the CONFIRM CANCEL 99x button to set the function 3 Canceling the intelligent airflow function Press the
49. door Component Identification 1111 ee eee aaa aa aai 8 2 Outdoor Main Control Board c0onmcconnconccnconcnannnnnn soa soaaea mnnn nnmnnn mnnn 9 NT E CU UR UU 10 Ee REACUOM Me 10 Compressor scanisdacascatsantanadacascnacansannsdanaccaddanadasniensdancddoaddoaaanedansdssudususududnsiuausuaweasuduausasisusutuuadadsducdiuaudaddiuasiuentasusussbasseudeancs 10 Outdoor Far TT 10 Discharge Temperature Zero eedegeegeee eege aig ua EE REKERR ENNEN Eum e 11 Defrost Temperature Sens Oasis 11 Outdoor Ambient Temperature Sensor Lecce nee eene e innen en en enne KEREN KEEN EE KEREN KEE KEEN KEREN KEEN EE KEREN KEREN KEE EE en 11 Suction Line EE E 11 A Way VA VO ia 12 Electronic Expansion Val VG scsi 12 rete P SPI VI E iD H 12 lii Sosa saias S M P T HR 12 OUTDOOR UNIT CONTROLS amp COMPONENTS PAGE 7 pL ES sp p peg di m ge Outdoor Uni hd elef udio s Uidefe y WEEE FEEL YUU LIV The outdoor condensing unit models are heat pump systems The outdoor unit has two circuit boards a Module board that drives the compressor and a Main Control Board that manages system functions and inverter calculations Temperature sensor
50. door Units ssssss2s 5 5555111155u unnn 39 iso RN ii 59 Step 5 Leak EST d E 40 A gc P ee eee 40 DUstemEVOCHati E 40 Step 6 erp 41 kemigeront Charge La p 41 SAIA ci gg E E 41 Check E or T s NR Pe o ER ree een er reer ee eee er 41 Section 7 Explaining Operation to the End USer miosina nee nee sacia dani andina sina ia en en en na 42 section 8 System SD ECINCALIONS essstanasraninsdaitnacara nmiimi m inee inenii im iiei mmmriiii iai aa ai as 42 Section 9 Seacoast ADPMCALION naaa aaa iii 43 INSTALLATION PAGE 35 L O Z Tr Required Tools for Installation Step 1 Preparation Procedure for Selecting the Location e Drill Wire Snipper Hole Saw 2 3 4 e Vacuum pump Soap and water solution or gas leakage detector Torque wrench e 17mm 22mm 26mm Tubing cutter Flaring tool e Razor knife Measuring tape Level Micron gauge Nitrogen Mini Split AD 87 Adapter 1 4 to 5 16 A Non adhesive Tape B Adhesive Tape C Saddle L S with screws e D Electrical wiring E Drain hose Included e F Insulation e G Piping hole cover Included Choose a place sol
51. door ambient temperature sensor and pipe temperature sensor are used for controlling the system during heat mode Theresistance values of the sensors will vary with tempera ture The resistance to temperature values can be found using a temperature resistance chart specific to the sensor being checked e Communication The indoor and outdoor unit main boards communicate via a digital signal on the wire connected to terminal 3 of each unit A splice or break in this wire will cause a communication error When a commandis received from the remote control the indoor unit main board communicates with the outdoor unit main board via the terminal 3 wire to perform the requested function eo Outdoor unit Upon a request for heat the outdoor unit main board applies power to the 4 way valve outdoor fan motor and compres sor Depending on system cycling there may be up to a 3 minute wait period before the compressor and outdoor fan start NOTE Do not measure compressor voltages damage to the meter may result If the ambient room temperature is above the set tempera ture yet lower than 2 F above the set temperature the system will adjust the running frequency of the compressor automatically according to changes in ambient temperature The outdoor unit main board also controls the position of the EEV Electronic Expansion Valve to regulate the flow of refrigerant to the indoor unit evapora tor coil o Temperature sensors
52. e compressor hot gas and will make inverter speed changes in response to input from this device This sensor connects to the Main Control Board at PLUG CN 17 The Defrost Temperature Sensor is a negative coefficient thermistor that will change resistance in response to outdoor coil temperature changes The Main Control Board monitors the temperature of the outdoor coil to determine when the system is needing to perform a defrost cycle The sensor also monitors outdoor coil temperature during defrost cycles to determine termination conditions This sensor connects to the Main Control Board at PLUG CN 19 my gem nal belied do HH S iii i TI TET diia beatas INT The Outdoor Ambient Temperature Sensor is a negative coefficient thermistor that will change resistance in response to outdoor air temperature changes The Main Control Board monitors the temperature of the outdoor air to determine outdoor fan speed requirements and inverter speed The sensor also plays a role in calculation of required defrost conditions This sensor connects to the Main Control Board at PLUG CN 20 e PUT IE IE ar Dep Q B RN Y P W Fr ra a ai a a hg ei e M al af La a ol t tic n L in el di Po 1 18 O P Wu LAS IM ah AC II En ei A The Suction Line Temperature Sensor is a negative coefficient thermistor that senses the temperature of the suction line The Main Control Board monitors the temperat
53. e condensate drain line has a constant pitch Se A lLbecomes The endis imm It waves The gap with the There s the bad downward for proper water flow There should be no kinks high midway ersed in water ground is too small smell from a sewer or rises in the tubing which may cause a trapping effect resulting in the failure of the condensate to exit the piping Illustration 6 m Z Q GA 3E Step 6 Charging See Steps 5 2 5 5 for evacuating the system prior to charging The standard lineset length is 25ft If the installation System Test length is different adjust the refrigerant charge by 2 oz ft for the 9K 12K 18K and 24K model Step 4 Illustration 4 Refrigerant Charge Label This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent into the atmosphere Refrigerant type R410A GWP value 1975 GWP global warming potential Please fill in with indelible ink e 1 the factory refrigerant charge of the product e 2 the additional refrigerant amount charged in the field and e 1 2 the total refrigerant charge on the refrigerant charge label supplied with the product The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop valve cover Please kindly explain to our customers how to operate through the instruction manual Check Items for Test Run Put check mark Y in boxes Ll No gas leak from linese
54. eases The operating temperature range is 60 F 86 F 16 C 30 C e AUTO Button Under the mode of auto operation the air conditioner will automatically select Cool or Heat operation according to room temperature When FAN is set to AUTO the air condi tioner automatically adjusts the fan speed according to room temperature The will be displayed during AUTO mode FAN Button Fan speed selection Press the FAN button For each press fan speed changes as follows Remote control Display gt gt circulated LOW MED HI AUTO The air conditioner fan will run according to the displayed fan speed When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature Q Louver SWING Button Air Flow Direction Adjustment 1 Status display of air flow COOL DRY gt gt y gt V gt V gt y HEAT B AdE Y gt gt gt 2 Left and right air flow adjustment manual Manually move the vertical blade sets on the air conditioner REMOTE CONTROL FUNCTIONS to adjust left and right direction referring to the figure below f I Pal pu D gt 222 E Al E AA duc
55. en the outdoor PCB and IPM modules for secure connections Are the connections secure Re seat the connections Yes 1 Measure for an approx voltage of 5VDC between pins 1 and 2 of the Module Power connector 2 Measure for an approx voltage of 15VDC between pins 2 and 3 of the Module Power connector Replace the outdoor PCB Yes Replace the power module PAGE 50 ERROR CODES amp PROBLEM SOLVING Power Supply Too High or Too Low Outdoor Display o LED1 Flashes 6 Times m E Q GA E Turn the unit on Yes Is the compressor operating normally The power supply is unstable Power module l l Spare Parts i l I l l Check the P amp N terminals of the Yes power supply on the outdoor PCB Is the voltage gt 390V or lt 150V Replace power module Yes erify proper voltage to terminals L1 amp L2 ofthe outdoor unit Replace power module No Correct power source ERROR CODES amp PROBLEM SOLVING PAGE 51 Overheat Protection for Discharge Temperature Outdoor Display o LED1 Flashes 8 Times L 2 ar O Z Tr Turn the unit on Check the Yes exhaust temperature of the compressor I The power supply is unstable Spare Parts Outdoor PCB Exhaust sensor i Does the temperature TES There is loss of refrigerant exceed 230F shortly after the Check refrigerant charge compressor starts up Yes Check exhaust temp sensor resistance Is it correct The o
56. endoutdoorPcs Fis 6 Powervorageistoonionoriow I Fa E Oveestpretectonforexaustiemperature Fe Outdoor DCtanmotorfaue I PAGE 46 ERROR CODES amp PROBLEM SOLVING Indoor Display Indoor AC Fan Motor Malfunction m Z O O m This is caused by an indoor motor or indoor PCB fault N go sm cm uen SS I I I Spare Parts I Indoor PCB I de a pera aid Indoor motor is faulty i Indoor motor l check if proper operation is i change indoor motor b O pm m m a restored Fault corrected resume system operation ERROR CODES amp PROBLEM SOLVING PAGE 47 L A ar O Z Tr Outdoor DC Fan Motor Fault Outdoor Display O LED1 Flashes 9 Times This is caused by an outdoor motor or outdoor PCB fault o n n m i Spare Parts Turn power off and check q Outdoor PCB O Outdoor motor whether the outdoor motor plug Re seat the plug d 1 connectionissecure e HR He He me mm Yes 1 Measure for an approx voltage of 310V between pins 1 and 3 of the motor Restore power to the unit and turn system on in Cool mode Does the fan motor operate connector on the PCB Measure for an approx voltage of 15VDC between pins 3 and 4 of the motor connector on the PCB Measure for an approx between pins 5 and 6 voltage of 0 6V between pins 3 and 5 ofthe connector on the PCB Outdoor motor fault No Outdoor PCB fault PAGE 48 ERROR CODES amp
57. f the sensor being tested Step 3 Using an Ohmmeter check the resistance value of the sensor Step 4 Referring to the temperature resistance table for the sensor being checked verify the resistance value corresponds to the temperature checked in step 2 Replace the sensor if the reading is open shorted or outside the specifications of the temperature resistance table Step 5 Re seat the plug on the connector at the conclusion of the test o Checking the Reversing Valve Coil Step 1 Disconnect the reversing valve plug from the control board connector for this test Failure to do so may provide inaccurate readings Step 2 Using an Ohmmeter check the resistance value of the coil The resistance value of the coil is 2 08K Ohms Replace the valve coil if the reading is open shorted or a value PAGE 54 significantly different from 2 08K Ohms Step 3 Re seat the plug on the connector at the conclusion of the test O Checking the DC Fan Motor Step 1 Disconnect the DC Fan Motor plug from the control board connector for this test Failure to do so may provide inaccurate readings Step 2 Refer to the chart shown below for plug pin combinations and resistance values Note Test is polarity sensitive adhere to probe placement as shown in chart 2 Red Test Lead 3 10me9 3 05 Meg 3 28 Meg RE wee ow Step 3 Re seat the plug on the connector at the conclusion of the test e Checking the EEV
58. fications Spare Parts I arge Indoor pipe sensor Is it over or under charged I j Indoor PCB I I Refrigerant i b wm wm e e mm mm mm mm mm ali Is the malfunction reported after the unit Me 1 The pipe sensor is faulty has been operating for a period of time 2 The indoor PCB is faulty Yes Is the indoor air filter dirty Clean the air filter ERROR CODES amp PROBLEM SOLVING PAGE 53 L A O Z Tr Checking System Components NOTE Component resistance readings shown in this section are for reference only Actual resistance values may differ based on model being tested Component readings shown below are based on a model HSU12VHGL W outdoor unit Checking Outdoor Unit Components Testing of the following components requires the use of an Ohmmeter and Temperature Probe Temperature probe is used during sensor testing only NOTE When using the testprobes probe the back or side contacts of the plug to obtain the reading Do not try to probe the connector end of the plug as this may damage the contacts of the plug O Checking the Outdoor Unit Sensors NOTE Use respective temperature sensor chart for sensor type being tested Compressor discharge sensor Suction sensor Tube sensor defrost temperature Ambient sensor Step 1 Disconnect the sensor plug from the control board for this test Failure to do so may provide inaccurate readings Step 2 Using a temperature probe determine the temperature o
59. he height and the width of the wall ODU should be 1 5 times larger than the size of the outdoor unit Also secure is over 28 in 700mm between the protection wall and the outdoor unit for exhausted air to ventilate Protection walls Sea breeze Install the outdoor unit in a place where water can drain smoothly e If you cannot find a place satisfying above conditions please contact manufacturer Make sure to clean the sea water and the dust on the outdoor unit heat exchanger INSTALLATION PAGE 43 This page intentionally left blank Error Codes amp Problem Solving Table of Contents Error Codes and Description Indoor Display oconcoccconconononcnnoncnn ah a KREE EE E ere 46 jala q e O P NP 46 Indoor AC Fan Motor MalfUnction sica or arcc aas c NN 47 Indoor Ui MB 47 HU m 47 Outdoor DC Fan Motor Fatit ossis kasesr tras E oO INDIEN ONCE NEN DINI EV EGININN NINE EVEN asa NM EKCE UE 48 Outdoor Un O M nadas 48 LED Fases O TIMES essa m Emm 48 IPM PROUECLION 49 EE 49 LED sac i m m mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm m mmkrmmmmmmmmmmmmmmmmmmmmkcH 49 Ove
60. id enough to bear the weight and vibration of the unit and where the operation noise will not be amplified Choose allocation where the hot air discharged from the unit or the operation noise and will not cause a nuisance to the neighbors of the user There must be sufficient space for carrying the unit into and out of the site There must be sufficient space for air passage and no obstructions around the air inlet and air outlet The site must be free from the possibility of flammable gas leakage in a nearby place Locate the unit to avoid noise and discharged hot air will not annoy the neighbors Install units power cords and inter unit cables at least 10ft away from television and radio sets This is to prevent interference to images and sounds Noise may be heard even if they are more than 10ft away depending on radio wave conditions Since drain flows out of the outdoor unit do not place anything under the unit that must be kept away from moisture Note 1 Cannot be installed hanging from ceiling or stacked 2 If installing on a high place such as a roof with a fence or guard rail around it 3 If there is a potential for accumulated snow to block the air inlet or heat ex changer install the unit on a higher base 4 R 410A refrigerant is a safe nontoxic and nonflammable refrigerant However if there is a concern about a dangerous level of refrigerant concentration in the case of refrigerant leakage add
61. k on and adjust the louver setting with the remote control Note 1 After setting the intelligent airflow function the louver position is fixed 2 In cooling it is better to select the V mode 5 In heating itis better to select the he mode 4 In cooling and dry modes using the air conditioner for a long period of time under high humidity conditions con densate water may form on the grille louver G Fahrenheit Celsius mode shift on unit and remote To switch between Fahrenheit and Celsius press the EXTRA FUNCTION button until either Celsius or Fahrenheit is displayed Press the CONFIRM CANCEL button to apply the change H 50 F low temperature heating Feature not available on this series I Electrical heating Feature not available on this series PAGE 25 m Z Q E GA nu B HEALTH Button Feature not available on this series O Confirm Cancel Button Function Setting and canceling timer and other functions Gei LOCK Button Used to lock buttons and LCD display S LIGHT Button Turns indoor unit display on and off RESET Button If the remote control is not functioning properly use a pen point or similar object to depress this button to reset the remote L a O Z Tr PAGE 26 REMOTE CONTROL FUNCTIONS Sequence of Operation Table of Contents m System POWER o nn nn O o 28 E OU ig hoj o COPA M
62. l n uisciavecsss nxoxva kun ua ERE Rate Rea PMRE PR RR ERR PARAR dn inda TR AnA ARAR AERAR PARARE nAaR REAA ROPA RP AERAN DD Vs wh dw 53 O bina elo a ud O 55 LED dicar Or T TIMES E 55 Indoor Unit Overload in Heating Mode coil 53 EE Me M 55 LED ce di Ag 9 m m wwwvwwwwwvvvwvvuvwwvwwvvwwvvvwvvuvvwvvvwvvwvwvuwvvvvvvvv 53 Checking System ComponentS sppxsrESkakEKEERERKEREREEREENEKE SESER EERSTEN Ai 54 Checking Outdoor Unit Components sio il BA Ee 54 Checking the Reversing Valve Coil 54 ere 54 GRecking EE 54 CRECKING the Eege 54 Checking the Compressor Me e e Te V 55 Checking Indoor Unit COMpPOnent Sis voca 55 Checking the Indoor Unit EE 55 Checking the Up Down Stepper E 55 Checking the Left Stepper 0110 eege 55 ere 56 ERROR CODES amp PROBLEM SOLVING PAGE 45 m E Q o s a A O Z Tr Error Codes and Description Indoor Display e Indoor Unit Display Error codes will be display on the indoor unit in place of the set temperature Outdoor Description LED1 flash times indoor amp Outdoor t 15 Communication fault betweenindoorandoutdoorunits DE Roomtemperaturesensorfaive TIT weeertPROMemr O OOOO Indoor Malfunction DE 1 communication fait between the PM
63. m 388 5 Onm 18540m 191 5 Ohm 37990hm T TE Blue MN HK 2 TIE Step 3 Re seat the plug on the connector at the conclusion of the test o Checking the Indoor DC Fan Motor Step 1 Disconnect the DC Fan Motor plug from the control board connector for this test Failure to do so may provide inaccurate readings Step 2 Refer to the chart shown below for plug pin combinations and resistance values Note Test is polarity sensitive adhere to probe placement as shown in chart ES Red Test Lead pxrx x Black White Blue Yellow Ex Blue Step 3 Re seat the plug on the connector at the conclusion of the test PAGE 56 ERROR CODES amp PROBLEM SOLVING Reference Information Table of Contents m Outdoor Board Diagram EE 58 Outdoor Board Schematic onmmmmcmnmcccccnnccccc RR 59 2 Indoor Board DIS E 61 E7 Indoor Board Schemiatl APA oe ure nca Gru uu lv b dud uuu 62 m Module Board SCHOMIAUIG cuisine 64 Room and Pipe Sensor CHE 65 Ambient Defrosting EE TEEN 68 Discharging Sensor CHE 71 REFERENCE INFORMATION PAGE 57 JIossoJduoo y JO oseud o Surs s IOJ uot Oe 0Id 3u944n949A0 eg jueJoylp 10 jeuondo dUNVHO do LL Td vc lossoIJduoo y Jo quo InoJoeAQ Se r z _ 2 9JE Sea poop sy YEDA NTHN9 MO TIHA 9 A CAN 61 10449 79979p UOTJ
64. me the TIMER OFF button is pressed the length of time decreases in 0 5 hour increments between hours O and 12 and 1 hour increments for times between hours 12 and 24 4 Once the desired length of time is selected for the unit to turn off press the CONFIRM CANCEL Jto confirm this setting 0 5h 0 5h 0 5h TIMER ON TIMER OFF TIMER ON OFF TIMER OFF ON Cancel TIMER OFF setting o With a TIMER OFF set press the CONFIRM CANCEL button once to cancel the TIMER OFF Turning the unit OFF with the TIMER from it being ON will look like this on the remote control display Note i Holding the TIMER OFF button down will rapidly cycle REMOTE CONTROL FUNCTIONS the time After replacing batteries or a power failure occurs the time setting will need to be reset According to the Time setting sequence of TIMER ON or TIMER OFF either Start Stop or Stop Start can be achieved steep Button Sleep mode Press the Extra Function button to enter additional options cycle the button to display the T icon the mm icon will flash Press the Confirm Cancel button to enter the sleep function Sleep Operation Mode 1 SLEEP mode during COOL DRY modes One hour after SLEEP mode starts the temperature will rise 2 F above set temperature after another hour the temperature rises an additional 2 F The unit will run for an additional six hours then turns off The final temperature is 4 F higher than
65. n d oY 1903 uoAo 9827704 LNO OLNO LLNO i y8ty SUTEJ01 Jojroedeo oul E TOv N Ov MOOHS OTWIOSTS JO NHONVO HHO 9NTd Hl WALJV NHAH OLIOVdVO HONOL L NO SE SND 6NO 9NO NOLLAVO dvoga HIACON ONINYUVA AVAIVIA INTAIM AOVULAO HSIMONi REFERENCE INFORMATION PAGE 58 Ce U lt M N D re O co ke o e O 42 O ENGLISH
66. nic Expansion Valve The system has debris catching filters that protect internal system components from contaminants in the refrigerant The filter is a permanent part that is not typically replaced The metering device is an electronic expansion valve type EEV The valve consists of an electrical operator and a valve body with internal variable size orifice When operating the Main Control Board will send pulses of voltage to the electrical operator The operator will then magnetically move the position of the metering orifice pin to vary its size The metering device position is determined by input from a Suction Line Temperature Sensor located in the outdoor unit The EEV will change the internal orifice size to maintain a superheat level of around 10 F PAGE 12 OUTDOOR UNIT CONTROLS amp COMPONENTS Indoor Unit Controls amp Components Table of Contents m o DEERE EOI 14 E Indoor Component Identification siini aa aaa 14 d Indoor Control 1 7 a BR 15 NT Terminal Block E 16 RK M E 16 Ambient Temperature E 16 PIPING temperature SENSON ran a a 16 Louver MOLOF sss aa A dr 17 INDOOR UNIT CONTROLS amp COMPONENTS PAGE 13 Indoor Unit Introduction The indoor unit is mounted high on the wall to provide air conditioning coverage of a conditioned space Field installed supplied condensate pump accessories can be added to these systems Features ofthe system include Variable speed blower operation that speeds
67. of the compressor decreases at the rate of 1HZ 1 second When Tpg indoor Tpg2 the frequency of the compressor decreases at the rate of 10HZ 10 seconds When Tpg indoor begins to rise again and Tpg2 lt Tpg indoor lt Tpg3 the frequency of the compressor does not change When Tpg3 Tpg indoor Tpg4 the frequency of the com pressor increases at the rate of 1HZ 10 seconds Example if Tpg indoor lt 32 F sustains for 2 minutes the outdoor unit will stop and indicate an underload malfunction code at the outdoor unit The compressor stops for a mini mum of 3 minutes When Tpg indoor gt Tpg4 the compressor will restart SEQUENCE OF OPERATION PAGE 33 This page intentionally left blank Installation Table of Contents Mm Step 1 Preparation sensns inno oorr rd n inci EO SEE a aa E nanena nna 36 REQUIE Sa TOGISTOETHSCOHUON en uid anb IU A A AA MN dedu DUM UU UM NE DIN GNU d EE 36 2 Procedure for Selectind the LOC ON nipona opcion lito 36 WT Clearances of indoor and Outdoor E EE 36 Es Step 2 Installation of the Indoor Unit seen RR AIRIS 37 Attaching the Mounting Plate E EE 37 Mounting the Indoor Unit Onto the Wall EE 38 Electrical Connections for the Indoor Unit tunnel dM MU MEM EEEE EEEE 38 Step 3 Installation OF the Outdoor UN Escaner aa 38 Attaching Drain Elbow to Qutdoor UMIE PCR 38 Electrical Connections for the Outdoor Unit NER E m 38 Step 4 Interconnecting the Indoor and Out
68. or Windings Step 1 Disconnect wiring from terminals U black wire V white wire and W red wire of the power module board Step 2 Using an Ohmmeter check the resistance value of the compressor windings Measure between wires U black wire and V white wire U black wire and W red wire and V white wire and W red wire The resistance value of the windings should be balanced equal If the resistance values are not equal verify the wiring and connections to the compressor as well as the compressor itself Repair or replace as needed Step 3 Reconnect the wiring to the module board at the conclusion ofthe test NOTE Component resistance readings shown in this section are for reference only Actual resistance values may differ based on model being tested Component readings shown below are based on a model HSU12VHGL G indoor unit Checking Indoor Unit Components Testing of the following components requires the use of an Ohmmeter and Temperature Probe Temperature probe is used during sensor testing only NOTE When using the test probes probe the back or side contacts of the plug to obtain the reading Do not try to probe the connector end of the plug as this may damage the contacts of the plug o Checking the Indoor Unit Sensors NOTE Userespective temperature sensor chart for sensor ERROR CODES amp PROBLEM SOLVING type being tested Tube sensor Ambient sensor Step 1 Disconnect the sensor
69. ormal KO Min KO Tolerance C 85 a aem escasso 204619080 260 206 Ds o sa aa Ds 4 massa seas 13558 ear 2 rvaxx T sa erze im a 215 rwvavvvwwa x ava333 r waw 1 2 misma Im ma eae ass www 4335 w ww O roo se 250610 zeen asa an Ds 4 45s esse amne zo r Dm ua eos aa so so PAGE 72 REFERENCE INFORMATION L 2 ar O Z Tr Discharging Sensor Tables Temp F Temp C Max KQ Normal KQ Min KQ REFERENCE INFORMATION PAGE 73 Tolerance C 1 67 1 65 1 63 1 60 1 58 1 56 1 53 1 51 1 49 1 47 1 44 1 42 1 40 1 37 1 35 1 32 1 30 1 28 1 25 1 23 1 20 1 18 1 15 1 13 1 10 1 08 1 05 1 03 1 00 0 98 0 95 0 92 1 57 1 55 1 54 1 52 1 50 1 48 1 46 1 44 1 42 1 40 1 58 1 55 1 54 1 52 1 50 1 28 1 26 1 25 1 21 1 19 1 17 1 15 1 12 1 10 1 08 1 06 1 05 1 01 0 92 0 89 0 87 0 84 0 84 0 85 0 89 0 92 0 95 0 87 0 85 0 85 0 85 0 89 0 93 1 00 1 03 1 07 SEH 1 14 1 18 1 22 1 26 1 30 1 02 1 06 1 09 1 13 1 16 1 19 1 25 1 27 Discharging Sensor Tables Temp F Temp C Max KQ Normal KQ Min KO Tolerance C Dm su eoa 3046 29070 ass no i rs 56 29 5 zar oras aa ar 208 ss eso ces ossos as na no 9 er sms aa ass Y
70. over flange may require modification to fit P n properly behind the wall unit housing Step 2 8A Step 2 8B eo Step 2 8A amp 2 8B Bundle the refrigerant piping drain piping and wiring with Piping Exit Options tape and pass the bundle through the piping hole Rear left NOTE When bundling the power cable leave sufficient length Left p Rear available in the indoor unit to make the connections to the right Below Illustration 1 INSTALLATION PAGE 37 Mounting the Indoor Unit Onto the Wall Plate Q step 2 9 With the top of the indoor unit closer to the wall hang the indoor unit on the upper hooks of the mounting plate Slide the unit slightly side to side to verify proper placement of the indoor unit on the mounting plate Rotate the lower portion of the indoor unit to the mounting plate and lower the unit onto the lower hooks of the mounting plate Illustration 2 Verify the unit is secure EB step 2 10 Slightly raise the entire unit vertically pull the lower portion ofthe unit off the lower hooks of the mounting plate and away from the wall then lift the upper portion of the unit off the upper hooks of the wall plate Electrical Connections for the Indoor Unit EB step 2 1148 2 11B To make the electrical connections for the indoor unit two cover plates must be removed Raise the front cover to access the screws to remove these covers E step 2 13 Access the four conductor cable through
71. ower INPUT W 0 1 460 2 195 41 115 5 46 41 115 5 46 41 115 5 46 HEATING F C 5 75 15 24 5 75 15 24 5 75 15 24 VoLTAGE FREQUENCY PHasE V Hz 208 230 60 1 208 230 60 1 208 230 60 1 EE 57 8810 537 8660 DIMENSION DEPTH IN MM 9 5 8 245 11 3 8 288 12 1 8 308 Weer SHip Ner Les kc 100 1 94 6 45 5 43 0 118 8 111 1 54 0 50 5 FAN SPEED STAGES 4 AUTO 4 AUTO AirrLow HicH MED Low CFM 520 420 320 640 520 410 Motor SPEED HiGH MED Low RPM 1100 975 850 1200 1050 900 FACTORY CHARGE REFRIGERANT OZ R410A 35 3 R410A 54 7 R410A 74 1 50 15 83 25 83 25 33 10 50 15 50 15 HSPF COOLING F C Maximum LINE LENGTH FT M Maximum HEIGHT FT M PAGE 42 INSTALLATION Section 9 Seacoast Application The outdoor unit should be installed at least 72 mile away from the salt water including seacoasts and inland waterways If the unit installed from Y mile to 5 miles away from the salt water including seacoasts and inland waterways please follow the installation instruction below Install the outdoor unit in a place such as near buildings etc where it can be protected from sea breeze which can damage the outdoor unit m Z Q GA 3E Sea breeze Sea breeze e If you cannot avoid installing the outdoor unit by the seashore construct a protection wall around it to block the sea breeze Aprotection wall should be constructed with a solid material such as concrete to block the sea breeze and t
72. plug from the control board for this test Failure to do so may provide inaccurate readings Step 2 Using a temperature probe determine the temperature of the sensor being tested Step 3 Using an Ohmmeter check the resistance value of the sensor Step 4 Referring to the temperature resistance table for the sensor being checked verify the resistance value corresponds to the temperature checked in step 2 Replace the sensor ifthe reading is open shorted or outside the specifications of the temperature resistance table Step 5 Re seat the plug on the connector at the conclusion of the test o Checking the Up Down Stepper Motor Step 1 Disconnect the Up Down Stepper Motor plug from the control board connector for this test Failure to do so may provide inaccurate readings Step 2 Refer to the chart shown below for plug pin combinations and resistance values Red Grey C seo aroonmm L suom 4790hm H amp sOhm MEME Bue Tred Step 3 Re seat the plug on the connector at the conclusion of the test Checking the Left Stepper Motor Step 1 Disconnect the Left Stepper Motor plug from the control board connector for this test Failure to do so may provide inaccurate readings Step 2 Refer to the chart shown below for plug pin combinations and resistance values PAGE 55 m Z Q GA al Trea orange vetow Pk Blue Grey Red 223 0 01
73. r current of the Compressor sixsosauuvuv 2uxVA EGRE VE NEEN VENUE aa VE MEN E M NUI EN VM VM MR V DIEN VA VM M CVM NNNM NM N E 49 eg et E M m P ee 49 LEDI Flasnes a E ER en 49 The Communication Fault Between IPM and Outdoor PCOB oonoonocconoccononnonennonnoncnno score ann anneau nena nnn 50 Outdoor Uni AB E S Am C 50 LED Ph Sie M S essas 50 Power Supply Too High OF Too LOW E 51 door A Dio T 51 EEDI Ras ve DR nt 51 Overheat Protection for Discharge Temperature see RE KREE ENKER KEREN KEREN KEE RE KER EE KEREE KEE RE EEN KEREN KEE RE Kn 52 Fire ie a MB E 52 Ea BAR eS ca PINS Sieg mmmmmmmmmmm mmmmmmmmmmmmmmm m mmmmmmmmmmmmmmmmrmrmrmrmmmmmmrmmmmmmmmmrmmmmmmmk 52 Communication Fault Between Indoor and Outdoor Units LLee ee lere eese eerie RE KEREN KEE KEE R ENKER KEREN KEE RE Kn 52 RIGO UNIC Biol ei 52 i MM 52 Dio URE B A 52 LED Fases Lo TIMES eebe ee 52 LOSS OF Synchronism Det ct
74. r other detection methods If a leak is detected repair and recheck If no leaks are detected proceed to evacuate the system System Evacuation o Step 5 2 Attach a manifold gauge micron gauge and vacuum pump to the suction line port using adapter AD 87 field supplied Illustration 5 Evacuate the system to 350 microns Close the vacuum pump valve and check the micron gauge If the gauge rises above 500 microns in 60 seconds evacuation is incomplete or there is a leak in the system If the gauge does not rise above 500 microns in 60 seconds Manifold Gauges evacuation is complete o Step 5 3 Remove the adapter and hose connection from the suction line port and replace the cap Mas sp o Step 5 4A amp 5 4B 7 Outdoor Unit Remove the cap from the liquid line valve Using the hex wrench open the valve then replace and tighten the cap e Step 5 5A 5 5B Micron Gauge Vacuum Pump Remove the cap from the suction line valve Using the hex Illustration 5 wrench open the valve then replace and tighten the cap step 5 6 Wrap the lineset drain line and wiring starting at the bottom of the bundle with an overlap type wrap concluding at the Step 5 6 Sape io Line Service Fort PAGE 40 INSTALLATION piping hole Use a sealant to seal the piping hole opening D D D Y to prevent weather elements from entering the building Illustration 6 3 7 Less than Vp u gt 5cm ol Verify th
75. reak in this wire is present the indoor unit will not be able to communicate with the outdoor unit The ERROR CODE will be code E7 The indoor display has an infrared communication circuit that receives operating commands from the remote control This display will indicate operating modes error codes indoor air temperature timer status and power status PAGE 16 a a ge REA S j The Room Ambient Temperature Sensor is a negative coefficient thermistor that will decrease in resistance with increases in room air temperature The sensor is located on a clip mounted to the surface of the indoor coil The sensor connects to the control board at Plug CN 6 Piping Temperature Sensor KEN q 6 JE M Fa i E i E The Piping Temperature Sensor is a negative coefficient thermistor that will decrease in resistance with increases in coil temperature The sensor is located in a socket soldered to the surface of the indoor coil This sensor will monitor the temperature of the indoor coil in both cooling and heating modes of operation Should abnormally cold or hot coil temperature be detected by this sensor the system will take functional corrective steps to correct the condition or report an ERROR CODE The sensor connects to the control board at Plug CN 6 INDOOR UNIT CONTROLS amp COMPONENTS Stepper Motor Louver Emergency Button m Z Q GA E The STEPPER MOTOR moves the louver up or down and
76. remote control to start the unit O queer Button This function may be used when silence is needed for rest or reading Press the QUIET QUIET button the remote control will display the QUIET gt icon and switch the unit to the quiet function Press the QUIET QUIET this function button again to cancel Note Running the unit in QUIET mode for a long period of time may cause the room temperature to not reach the set temperature If this occurs cancel QUIET mode and set the fan speed to a higher setting cool Button In COOL mode the unit operates in cooling When FAN is set to AUTO the air conditioner automatically adjusts the PAGE 20 fan speed according to room temperature The will be displayed during COOL mode Q HEAT Button In HEAT mode warm air will blow out after a short period of the time due to cold air prevention function When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature The 3 will be displayed during HEAT mode O pry Button DRY mode is used to reduce humidity In DRY mode when room temperature becomes lower than temp setting 2 F unit will run intermittently at LOW speed regardless of FAN setting The will be displayed during DRY mode O Temperature Buttons Temp Every time the button is pressed the temperature setting increases Temp Every time the button is pressed temperature setting decr
77. s monitor key temperatures throughout the system to manage operational decisions v 4 E Ki 8 VutTaOoOr COombonent identincatior p Lu ES 4 Way Valve E Accumulator E n JE Compressor ER Defrost Temperature Sensor EJ Discharge Temperature Sensor E Electronic Expansion Valve Refrigerant Filters Outdoor Ambient Temperature Sensor 9 Outdoor Fan Motor 10 Power Factor Reactor 9 Suction Line Temperature Sensor D Terminal Block EJ Main Control Board ES Module Control Board E Fan Blade L pem Ei Ai BN y i x E WE RV E BN 1 NN i a En uu ua AW wu i au E gt gt E E a AW P Ba O uerb m dd B a B d E au emm A i KEE Outdoor Control Board m 14 2 6 o EE FUSE 25A 250VAC CN7 Reactor W s 3 CN33 Connector for socket protect CN22 Connector for DC POWER to the module board CN21 Connector for fan motor CN17 Connector for compressor discharge temperature sensor CN18 Connector for suction line temperature sensor CN19 Connector for defrost temperature sensor CN10 Connector for outdoor ambient temperature sensor CN16 Connector for electronic expansion valve CN10 4 Way Valve CN11 Connector to communicate between the control board CN23 and the module board CN10 Connector for module power from CN22 on the control board CN26 P goes to CN1 on the module board CN24 N goe
78. s to CN5 on the module board CN23 Module communication OUTDOOR UNIT CONTROLS amp COMPONENTS PAGE 9 L A O Z Tr Terminal Block il KEN The outdoor unit is powered by 208 230 Volt Single Phase electricity connected at the Outdoor Unit Terminal Block Terminals 1 and 2 on the outdoor unit terminal connect this voltage to the system The number 3 terminal is a communication terminal that connects wiring between the indoor and outdoor units A ground terminal connects the outdoor unit to the line voltage power source Condensate safety switches should break wire 1 The indoor unit is also powered by the same electrical supply as the outdoor unit 14 AWG wire is connected to the wiring terminal block at the outdoor unit and is run to the indoor unit wire terminal block When installing the field supplied wiring make certain the wire gauge is correct There should not be any electrical wiring splices between the indoor unit and outdoor unit wire connection 3 This wire is used to carry communication data between the indoor and outdoor units A wiring splice where wires are twisted in a wire nut may cause deformation of the communication of the data signal If communication is lost between the indoor and outdoor units an ERROR CODE E7 will occur See Page 48 Power Factor Reactor The Reactor is an inductive filter that will aid in correction of electrical power factor influence of inverter capacitance It
79. tarts and has been operating for 30 seconds At the conclusion of the defrost cycle the indoor fan will enter the cold air proof operation Heat mode resumes automatic Heating Temperature Compensation When the system enters heating mode a temperature com pensation adjustment is added to the operating parameter This adjustment is canceled when exiting heat mode Indoor unit To enter the heat mode point the infrared remote controller at the indoor unit and press the power button then press the HEAT mode button if not already set to heat mode The signals received by the infrared receiver are relayed to the main board of the indoor unit to turn the system on and set it to heat mode The indoor unit main board will activate the display of the indoor unit illuminating the display indicating the room tem perature and current status of the unit The indoor unit main board will signal the louver stepper mo tor to open the louver to a stationary position The indoor unit main board will power up the indoor fan motor after the outdoor unit has started and heating of the indoor coil has taken place see cold air proof operation The indoor fan motor has a feedback circuit which provides the indoor unit main board with information for controlling the speed of the fan motor PAGE 30 o Temperature sensors The indoor unit has two sensors that provide temperature information to the indoor unit main board The sensors an in
80. the initial set temperature Using this feature will help with achieving maximum efficiency and comfort from your unit while you sleep SLEEP operation starts SLEEP operation stops Approx 6hrs Temp setting Unit stop In COOL DRY mode 2 SLEEP mode during HEAT mode One hour after SLEEP mode starts the temperature will decrease 4 F below set temperature after another hour the temperature will decrease an additional 4 F After an additional three hours the temperature will rise by 2 F The unit will run for an additional three hours then turns off The final temperature is 6 F lower than the initial set temperature Using this feature will help with achieving maximum efficiency and comfort from your unit while you sleep Temp setting Unit stop Decreases 4 F 3 hrs SLEEP SLEEP operation starts operation stops V In HEAT mode 3 In AUTO mode The unit operates in corresponding sleep mode adapted to the automatically selected operation mode Note When the unit is set to sleep mode the fan speed will be set to low speed and cannot be changed When the TIMER function is set the sleeping function cannot be set If the sleeping function has been set and the user sets the TIMER function the sleeping function will be canceled and the unit will be set to the timer function D EXTRA FUNCTION Button Function A Refresh air Feature not available on this series REMOTE CONTROL FUNCTIONS
81. the previous set swing position When turn ing the unit off the louver will rotate to the full open position prior to closing Timer ON Button On Off Operation 1 Start the unit and select the desired operating mode 2 Press the TIMER ON button to enter the TIMER ON mode The remote control will start flashing ON 3 Every time the TIMER ON button is pressed the length of time increases in 0 5 hour increments between hours O and 12 and 1 hour increments for times between hours 12 and 24 4 Once the desired length of time is selected for the unit to turn on press the CONFIRM CANCEL Jto confirm this setting PAGE 24 0 5h 0 5h 0 5h 0 5h TIMER ON TIMER OFF TIMER ON OFF TIMER OFF ON Cancel TIMER ON setting With a TIMER ON set press the CONFIRM CANCEL button once to cancel the TIMER ON Turning the unit ON with the TIMER from it being OFF will look like this on the remote control display Note Holding the TIMER ON _ button down will rapidly cycle the time After replacing batteries or a power failure occurs the time setting will need to be reset According to the Time setting sequence of TIMER ON or TIMER OFF either Start Stop or Stop Start can be achieved D Timer OFF Button On Off Operation 1 Start the unit and select the desired operating mode 2 Press the TIMEROFF Jbuttonto enter the TIMER OFF mode The remote control will start flashing OFF 3 Every ti
82. ts O Are the linesets insulated properly C Are the connecting wirings of indoor and outdoor firmly inserted to the terminal block Ll Is the connecting wiring of indoor and outdoor firmly fixed Ll Is condensate draining correctly Ll Is the ground wire securely connected Is the indoor unit securely fixed Ll Is power source voltage correct according to local code Ll Is there any noise O Is the lamp normally lighting Ll Are cooling and heating when in heat pump performing normally A contains fluorinated greenhouse gases covered by the Ll Is the operation of room temperature sensor normal Kyoto Protocol B factory refrigerant charge of the product see unit name plate C additional refrigerant amount charged in the field D total refrigerant charge E outdoor unit F refrigerant cylinder and manifold for charging Contains fluorinated greenhouse gases covered by the Kyoto Protocol INSTALLATION PAGE 41 Section 7 Explaining Operation to the End User Using the OPERATING INSTRUCTIONS explain to the user how to use the air conditioner the remote controller removing the air filters placing or removing the remote controller from the remote controller holder cleaning methods precautions for operation etc L N EE Recommend that the user read the OPERATING INSTRUCTIONS carefully O Z LL Section 8 System Specifications 17 000 25 000 70 RATED P
83. un Es NOT ZEN ES ZI v ddls AST mm am ZE vc I770g e ASA gt 7 Tam SES 01 La s IZbd IL 8 JUOT duor TAE 6 11 ley dur PTO m O A0S Jnp p YTFAL b Set cU SS TIX A L0 888 9ZNO ea f gail A e o it o Jcomo g803 MOVE Dd 3 IND e 6S 9 GCH yr Z a IR a ag Isa JOT COL ie Gz SEI s w t i r oe wwo FOOZ ASI O gt e Ans z oCH 9INOO O S i i i did 79 HOW ETE AS i E 5 AT vou WOO VOS 9 T Y aer goggy ASt jnoJD joso1 z i TOS p9 Iii MOT dnT0 b d 8 e z ASt TT JUT TOI ved gt z XOT EY gt 00 P810081100 Aetdsiq HOT zoa 619 ms 99 e3 E Eas xt Tey AO O Era Aner NOT por al Y gv 1 AZ a 8 Tf dnT 0 aur HOAS Ss o09s 0001 TZA SOAS SE SZ X em L e wor S8Y D p o 2095 0001 TH ADA Wa wm QU GI AS 0098 0001 sta FEIN 30c e0Tus l LSA uonoo os idem IO posn st OSI CLA EPA P A NON CH AND FAemerammmmg dnro anrro anro aaa 20 890 AS ny ZOO e qpos oo01 000 825 ER i A 9TH HOI a 9uo 399195 SPNO TMS TMS TOU WOO LI d 6001 d REIS ZB Ze Id ZENO O00T ESA IGON DIA SS IS Es ca pou a v Hx gzg dE ee B AVZEOTVSZ AST iae gen gcOOvClV 70 8001 ICON 0I e BS Se OI 6 Nas ICON E res H 8 TOS ISA SEN e H JAS As L 2 uti AN amo am D o Aw F0 Kei te E JOT xIS3euu0 pa visgeralt NNA t oSueqo 103 XOT HOT Jnro TTO cu HOLIAS t Sm I al i Kejderp 03 Surpoooe 129 os DCH 0 U AS i TMS
84. up and slows down with changes in demand Moving louvers to direct air Indoor air temperature sensing Evaporator coil temperature sensing Consumer operation display Evaporator coil with metering device located in outdoor unit and an Emergency Operation Switch Indoor Component Identification E Indoor Ambient Temperature Sensor H Main Control Board L A ar O Z Tr E Display 6 Piping Temperature Sensor D Fan Motor Power Supply Board D Louver Motor D Terminal Block PAGE 14 INDOOR UNIT CONTROLS amp COMPONENTS Indoor Control Board m E Q GA T E FUSE Fuse 3 15A 250VAC EN DC MOTOR Fan Motor E Kal CN1 Connector for heat exchanger ES thermistor and Room temperature thermistor D CN20 Connector for room card 5 SW1 Emergency Switch STEP MOTOR Connector for UP amp DOWN louver stepper motor CN36 Connector for long range control INDOOR UNIT CONTROLS amp COMPONENTS PAGE 15 L A ar O Z Tr Terminal Block Ambient Temperature Sensor The indoor unit terminal block receives electrical power from the outdoor unit There are 4 connections for electrical wires Terminals 1 and 2 are connected to terminals 1 and 2 of the outdoor unit This wiring supplies power to the indoor unit Terminal 3 isa communication wire The indoor unit sends indoor air temperature coil temperature and temperature setpoint information to the outdoor unit on this wire If a splice or b
85. ure a wall mounted indoor fan evaporator unit that receives refrigerant from an inverter driven variable speed outdoor condensing unit The system operation is controlled with a remote control The outdoor unit features a variable speed rotary compressor EEV metering device and DC fan motor These systems use R410A refrigerant and PVE oil The outdoor units are 208 230 volt rated systems They come factory charged for up to 25 ft of interconnecting piping The indoor units are wall mounted type They feature a DC blower motor and a DC louver motor The unit has a room temperature sensor and an evaporator tube temperature sensor The wall unit is powered by voltage from the outdoor unit e Specifications for proper operation should be followed he systems are designed to operate in temperature ranges of 60 F to 86 F in cooling mode and 60 F to 86 F in heat mode PVE oil is non reactive to water and will not go into Hydrolysis There is no need to add a refrigeration drier when servicing or installing this system The indoor wall mounted unit receives operating voltage and communication data signals on 14 AWG wire that connects between the indoor and outdoor units There should not be any splices in the field wiring that goes between terminals 1 2 5 and 4 A splice in these wires may cause the system to lose communication between the indoor and outdoor units The system will then display an error code E7 The systems come with
86. ure of the suction line to determine EEV orifice size in an attempt to maintain proper operating superheat This sensor connects to the Main Control Board at PLUG CN 18 Al B m L JR IT TO O A i dD A C CAMDANCEANT EE A BENI REL gt Ar EM DIVER O JING IN p H ass amp J IN gt N a LA y d Qt uM eS y a E a L w IN Emm E WW During COOL MODE operation the valve meters low pressure refrigerant to the indoor coil During HEAT MODE operation the valve meters low pressure refrigerant to the outdoor coil Accumulator L zh ar O Z Tr The 4 Way Valve redirects the flow of refrigerant in the piping circuit to allow the system to swap the functions of the indoor and outdoor coils When de energized in COOL MODE the valve will direct the refrigerant hot gas to the outdoor coil When energized in HEAT MODE the valve will direct the hot gas to the indoor coil The Accumulator is located in the suction line circuit at the entrance to the compressor The accumulator helps prevent liquid refrigerant from entering the compressor during run The valve flow direction capability is controlled by an Operation electrical solenoid When energized by 240 Volts line voltage the solenoid will magnetically move an internal slide within Refrigerant Filters the 4 Way Valve to change the direction of refrigerant flow The 4 Way Valve is electrically connected to the Main Control Board at PLUG CN 10 Electro
87. utdoor PCB is faulty replace the PCB No The sensor is faulty replace the sensor Communication Fault Between Indoor and Outdoor Units Indoor Display Outdoor Display o LED1 Flashes 15 Times F EU HH NEE om Check that the wiring Spare Parts I connections are securely Correct the wiring between the Indoor PCB fastened indoor and outdoor units OutdoorPCB I Power module I Check the outdoor PCB LED LED 2 Solution Outdoor PCB fault This is caused by Outdoor PCB or Indoor PCB fault Change one part firstly it still unsolved change another one This is caused by Outdoor PCB or Power module fault Change one part firstly if still unsolved change another one PAGE 52 ERROR CODES amp PROBLEM SOLVING Loss of Synchronism Detection Outdoor Display m Z o LED1 Flashes 18 or 19 Times _ po a a Turn the unit on No 1 The compressor wiring is I I I Dette start incorrect or has bad connections 1 Spare Parts I l 2 The compressor is damaged I Compressor I l Power module l Yes The compressor starts but soon stops LED1 on the outdoor PCB starts blinking 18 19 times at a 1Hz rate Yes The power module is faulty replace the power module Problem Remains The compressor is faulty replace the compressor Indoor Unit Overload in Heating Mode Outdoor Display O LED1 Flashes 18 or 19 Times kth fri Re e DA TS m EES E Recharge to speci
88. utes after the indoor fan starts the light or low speed will switch to the set speed In cold air proof operation the fan remains on after startup Residual heat sending the indoor fan will operate on low speed for 12 seconds The outdoor unit temperature sensors outdoor ambient defrost suction line and compressor discharge used in conjunction with the indoor temperature sensors indoor PAGE 29 m Z Q GA al L zh ar O Z Tr ambient and tube provide information to the outdoor control board to monitor the system and regulate the freguency of the compressor EEV positioning and outdoor fan speed to achieve the desired room temperature When heating has been satisfied the outdoor unit compres sor will turn off first and followed by the outdoor fan The 4 way valve will de energize 2 minutes after compressor stops The indoor unit fan will continue to run at minimum speed un til indoor coil temperature reaches a minimum temperature and it will turn off If the system detects a malfunction it may shut down or show an error code on the indoor unit display board and or outdoor unit main board LED e Defrost When the system initiates a call for defrost the indoor fan motor stops The indoor unit display will not change Any indoor unit malfunctions will be ignored at this time The sys tem will cycle through the defrost operation Any indoor unit malfunctions will be ignored until the compressor res
89. utomatically selected operation mode SLEEP operation starts Note When the unit is set to sleep mode the fan speed will be set to low speed and cannot be changed Note When the TIMER function is set the sleeping function cannot be set lf the sleeping function has been set and the user sets the TIMER function the sleeping PAGE 22 function will be canceled and the unit will be set to the timer function I Electrical heating Feature not available on this series J Refresh air Feature not available on this series K Turbo Use this function when rapid heating or cooling is needed Press the EXTRA FUNCTION button to enter additional options cycle the button to display the DA icon the DA icon will flash Press the CONFIRM CANCEL button to enter the power function To cancel the power function press the EXTRA FUNCTION button again to enter additional options press the CONFIRM CANCEL button or select a different mode to cancel the power function Note During POWER operation in rapid HEAT or COOL mode the room may have uneven temperature distribution L Fahrenheit Celsius mode shift on unit and remote To switch between Fahrenheit and Celsius press the EXTRA FUNCTION button until either Celsius or Fahrenheit is displayed Press the CONFIRM CANCEL button to apply the change ES HEALTH Button Feature not available on this series o Confirm Cancel Button Function Setting and c
90. yed fan speed When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature PAGE 23 m Z Q GA al L A ar O Z Tr Louver SWING Button Vertical Air Flow Direction Adjustment Press the SWING UP DOWN button to choose the position of the vertical airflow louvers Status display of air flow COOL DRY gt cx gt Y AC HEAT gt U gt Y gt gt De gt gt gt Ww Caution e Itis advisable not to keep the vertical louver in the down ward position for an extended period of time in COOL or DRY mode otherwise condensate water may form on the louver Note When turning the unit on the remote control will automatically return the louver to the previous set swing position When turn ing the unit off the louver will rotate to the full open position prior to closing Louver SWING Button Horizontal Press the SWING UP DOWN button to choose the position of the horizontal airflow louvers Status display of air flow COOL DRY HEAT TY D T gt 7TP TT ue Caution When humidity levels are high condensate water may oc cur at the air outlet if all horizontal louvers are adjusted to left or right Note When turning the unit on the remote control will automatically return the louver to

Ductless Split Air Conditioner

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