Home

Service Manual

Contents

1. wiring from being damaged when ing through the hole 1 Gss 5 i 48 Install Drain Hose Installation outlet pipe of indoor unit i Indoor unit cg nut Piping spanner 4 Toraue wrench 1 Connect the drain hose to the outlet pipe of the indoor unit using appropriate connections 2 Insulate the condensate to prevent condensation 3 Fasten the condensate lineset and wring together to prevent damage and movement Slant the drain hose downward for smooth drainage outlet pipe of outlet pipe of drain hose indoor unit indoor unit 1 Install lineset and wiring from the outside through the wall sleeve 2 Bend the indoor lineset Note a tube bender will speed up the process 3 Carefully remove flare nut from indoor coil Listen for holding charge from indoor unit No charge may indi cate a leak and should be tested 4 Usea flaring tool if necessary to create the flare con nect tubing tightening to the torque listed below 50 60 49 Installation Pressure and Leak Test Use only dry nitrogen with a pressure regulator for pressurizing unit Pressurize with 150 psi of dry nitro gen 2 Apply soap and water to check whether the joints are leaky A leak detector can also be applied for a leakage test Hint You may want to perform leak testing and evacua tion before wiring to save time electrical connections can
2. Z Indoor fan he Set fa sp s Overcurrent Protection Same as Cooling Mode 3 Heating Mode Heating Process When the indoor ambient drops 2 F below the preset temperature the unit will start the heating cycle The outdoor fan compressor and 4 way valve will operate The indoor fan will operate in the Cold Air Prevention mode in which the indoor fan will have a 2 minute delay after the call for heating The indoor evaporator coil temperature must reach 104 F before the indoor fan will start this will prevent cold air from discharging from the indoor coil When the indoor evapo rator coil temperature is gt 104 F the indoor fan will operate at low speed for 1 minute With 1 minute of operation or 2 minutes of no fan operation and the indoor evaporator coil temperature is gt 108 F the indoor fan will operate at its preset condition If the indoor ambient temperature is lt 9 F and gt 2 F of the preset temperature the unit will run in its original mode of operation If the compressor is running and the mode is changed from cooling to heating the 4 way valve will be energized 2 3 min utes later If the indoor ambient temperature is gt 9 F than the preset temperature the compressor will stop and the outdoor fan will stop after a 30 second delay The indoor fan will continue to operate at its preset mode Ihe G10 technology will determine compressor frequency based on ambient temperatures
3. 208230V 60Hz 208230V 60Hz Rated Current Cooing Amps System Performance SEEREER o 27 145 j 2 48 HSPFCOP _ _ 90 38 9055 Indoor Unit iow Sound Pressure Level T H IMHIMIML L mute 42 38 36 34 30 26 23 44 38 36 34 30 26 24 Unit Size WxHxD 34 1 x 11 5 x 8 2 34 1 x 11 5 x 8 2 Package Size WxHxD 37 2 x 14 9 x 11 7 37 2 x 14 9 x 11 7 Net Gross Weight 24131 24131 Outdoor Unit Installation 1 4 112 1 4 1 2 MaxLneRu Feet SO 6 Note The manufacturer reserves the right to modify the design and or change the specifications without notice Please refer to specific installation manual for current information Physical amp Electrical Data cont a Model TERRA18HP230V1A TERRA24HP230V1A PowerSuppy 209230V 60Hz 2082307602 System Performance seere 2 2 21970 S HSPEF COP 98 35 9233 Indoor Unit Af w LLL Sound Pressure Level T H IMHIMIML L mute 51 48 45 43 39 36 33 52 49 47 45 43 41 38 Outdoor Unit Installation 1 4 5 8 1 4 58 MaxLineRun Feet 82 Note The manufacturer reserves the right to modify the design and or change the specifications without notice Please refer to specific installation manual for current information Product Introduction The Terra Ductless split heat pumps are a single zone unit available in size
4. A Sensor Straine Temperature Exchanger Electronic Expansion Valve Iosso1duiro 19j19AUT High Pressure Switch Accumulator Compressor Note Component locations may vary depending on models Cooling Mode Outdoor Unit Indoor Unit Temperature Sensor N N Heat N Exchanger E N N Electronic expansion valve Iossa1duro I9 I9AUT Accumulator not on all sizes Hot gas is discharged from the compressor The temperature of the gas in monitored by the Discharge Tem perature sensor and sent to the outdoor control panel The hot gas is directed through the 4 way valve then enters the outdoor coil The hot gas will be slightly sub cooled however there are no pressure ports to take measurements Ihe subcooled liquid will enter the filter to remove contaminates The subcooled liquid will enter the Electronic Expansion Valve EEV and will be regulated to about a 10 de gree F superheat level Ihe EEV will adjust its flow based upon the temperature sensor readings The adjust ment process and compressor speed are controlled by the outdoor circuit board The refrigerant leaving the EEV will be in a low pressure temperature saturated state This cold saturated re frigerant will move through the coil absorbing heat This liquid will flash to a vapor and will be superheated to about 10 degrees F Since this tu
5. Calo m L 14 13 12 1 Compressor interface 2 Compressor overload 3 Temperature sensor Electric expansion valve protector Communication interface Fan HALL interface Outdoor fan fi 4 way valve 2 with indoor unit 9 Lwewre 10 Earthing wire Reactor interface 1 PFC capacitor interface 1 Reactor interface 2 These circuit diagrams are subject to change without notice please refer to the one supplied with the unit 58 Outdoor Unit 24K e TOP VIEW 1 2 3 4 5 6 N E GRIHgZ3 3 Ul 2011 11 214 x IED i 14 13 12 Name Name Name Name Connecting wire of Live wire of power Wire 2 of electric 5 HALL terminal 13 compressor supply reactor Interface of overload of Interface of outdoor fan Ground wire 14 Wire of PFC capacitor compressor Neutral wire of power 3 Terminal of temp sensor 7 Interface of 4 way valve supply Terminal of electronic Communication Wire 1 of electric expansion valve wire to indoor unit reactor These circuit diagrams are subject to change without notice please refer to the one supplied with the unit 59 Troubleshooting Outdoor Components Cooling Mode To check the operation of the EEV Valve in cool ing mode using a digital thermometer record the temperature of the input line and the output line of the valve as indicated in the picture above With the compressor running the input sid
6. Note Ihe Tindoorambient in 1 amp 2 above refers to the unit going into the heating mode coming out of defrost Overcurrent and Speed Protection Total Current The software will monitor the compressor current draw and adjust the compressor speed in order to maintain the inverter and compressor in a safety and reliable operating range A If Itota lt 6 an increase in frequency will be allowed B If Itotal gt 7 increasing the frequency is not allowed C If Itotal gt 8 the compressor will decrease its frequency D If kota gt 9 the compressor will stop and the indoor fan will stop after 30 seconds 4 Fan Mode Under this mode the fan will run at the preset speed and the outdoor fan compressor and 4 way valve will stop 5 Auto Mode Auto Mode Process Setting the auto mode will run the unit in heat or cool automatically depending on Tindoorambient 1 Operating Parameters A If the Tindoorambient gt 79 F the unit will operate in cooling mode The set temperature is 77 F B If the Tindoorambient lt 72 F the unit will operate in heat mode The set temperature is 68 F C When the Tindoorambient lt 73 F and gt 77 F the unit will operate in the previous state If it is energized for the first time it will run in Fan mode D In auto mode the cooling frequency will be the same as the cooling only mode and the heating frequency will be the same as the heating only mode 2 Protection A In coolin
7. 3 Remove guide louver Step 1 Remove the axial bushing of the big guide louver 96 Step 2 Remove the rotating shaft of the big guide lover from the groove slightly bend the big guide louver to remove it Step 3 Remove the axial bushing of the small guide louver Step 4 Remove the rotating shaft of the small guide lover from the groove slightly bend the small guide louver to remove it Small guide louver 4 Remove panel Step 1 Loosen the clamps of the panel to remove panel 97 4 Remove panel continued Step 2 Remove the screws holding the display 5 Remove front case Step 1 Remove the screws fastening the electrical box cover to remove cove Step 2 Remove the screws holding the front cover loosen clamps then remove cover 6 Remove swing fan blade Step 1 Remove the four screws holding the pro tective grille then remove the grille Loosen the clamps holding the swing connector and remove the connecting rod Step 2 Remove the clamps holding the swing fan blade then remove the blade a Et 1 af m f zur 1 Ss Swing connecting T F xf F e E TR Seis pra i Lm aah home a a LI ja iu LP Y iq Swing fan blade 99 Step 2 Remove the screws holding the bonding wire then remove the wire
8. V GREE erra DUCTLESS SYSTEM Installation Service amp Troubleshooting Models TERRA09HP230VIA 12 230 1 TERRAISHP230V1A TERRA24HP230V1A Table of Contents s pis A Sa 3 lo Be ites Db tl lo DO 4 Pisca Peci er 5 6 Prode t Ii O sS iO Oi y eara E EEE E E 7 Prod ct Introduction Refrigeration Cycgles 8 10 Indoorec Outdoor S serrana eN A E 11 12 Dr 13 16 basic Functions 17 28 Basic Functions D5 900 2 4 000 Diu 29 41 C Om FOL Ob D uu 42 43 Refrigerant Lines Connection Evacuating and 44 46 secre acces MEE E 47 51 Filtet Maintenance and Emergency Operalioh u IILI U UE TI 22 Electrical SC e eT e 53 59 Troubleshooting Outdoor Gomponents n a ENa israe 60 65 D sss 66 75 Error eode ne renner nr sS sss asses 76 95 Disassembly of Indoor Unit 9 000 12 000 btuh Models tope to teta ee hia S ratore ett nea etu rex eb espe ats 96 103 Disassembly of Indoor Unit18 000 104 111 Disassembly of Indoor Unit24 000 btuh Modkl 112 118 Disassembly of Outdoor Unit 9 000 12
9. 1958 1736 a2 104 103 fso 1040 1062 1 71 u 122 fues a 1058 02 1 658 96 10 140 i103 42 1076 9803 1 609 9 158 046 fas 1094 942 1 561 L8 1185 9913 44 r2 9054 1 515 L7 1194 fa M5 fio 8705 147 6 22 gt 46 i148 837 98 2084 1427 5 230 846 47 166 8051 99 2102 1 386 a 248 8031 fas 184 7745 1 346 3___ 646 7624 9 1202 7453 2 24 24 _ 1220 7173 1 302 6879 fs 138 6905 o 320 6537 52 125 6 6648 11338 6213 53 1274 6403 2 356 5908 54 1292 6167 3 sza 5619 55 1310 5942 4___ 392 5346 56 1328 45 726 5 jaro 5087 57 1346 5511 6 48 4842 58 1364 532 7 446 feu 59 1382 513 8 464 14392 feo 1400 4948 9 482 ass je is 4773 1 307 1 269 1 233 1 198 1 164 1 131 1 099 1 069 1 039 1 01 0 983 0 956 0 93 31 Appendix 2 Resistance Table of Outdoor and Indoor Tube Temperature Sensors 20K Temp Temp Temp Temp Temp Temp F C F C F 10 3987 62 1436 4605 4 2322 0 904 ji fsis 3801 fes 1454 4443 fus 2390 oss 12 536 36 24 f a 1472 4289 16 2408 0 856 1 554 3457 fes fio n7 2426 0833 as 572 13298 f es 1508 3998 fis 244 osi as soo 3147 67 1526 3861 0 77 16 feos 3004 fes 1544 3 729 0
10. 35 950 3209 4 904 16 32 3845 36 968 3079 4754 15 s0 3629 fsz 986 2954 89 192 14 jos 3428 38 1004 2836 f9 13 86 3239 39 1022 2723 12 1104 3062 1040 2615 u 122 2896 fa 1058 25 10 140 1274 2 1076 2413 9 fiss 12593 fas 1094 2319 8 14 2456 a ru2 2229 f L7 194 12326 45 2134 6 n2 1205 46 fiss 6 5 230 jo j uss fissi a 248 1983 48 isa 1906 3 266 191 49 1202 1834 2 284 50 1220 1765 3 129 a 302 65 51 1238 1699 3 04 o 320 fis 52 1256 11636 fioa 2192 2 955 1 fs fiss 53 1224 5 fios 2210 2872 2 356 11454 5 1292 gt fios 2228 2792 3 374 55 1310 1462 107 2246 2715 a s2 1315 s i28 1409 2264 264 4 609 4 469 4 334 4 204 4 079 3 958 3 841 3 728 3 619 98 __ 2084 3514 99 2102 3413 3 315 3 22 33 Appendix 3 Resistance Table of Outdoor Discharge Temperature Sensor 50K Temp Temp Temp Temp Temp Temp Dp C F C F 5 Jao 251 5 1346 1358 109 2282 2568 6 Jes fusi ss 1364 11309 110 2300 2498 7 446 fuss 59 1382 1262 fpu 2318 2431 8 464 fios feo 1400 7 2 2336 2365 9__ 42 o fe is fiza 2354 2302 lO 6 i436 1132 i sts 9342 63
11. OPTIONAL Dg m e m i O 20 U These circuit diagrams are subject to change without notice please refer to the one supplied with the unit 55 Printed Circuit Boards Indoor Unit i aie ott On 375 m LI Fa a 7 03 CI 2 485 communication interface 3 Auto button 4 Interface of small vertical swing 6 Interface of big vertical swing 8 Ambienttemp sensor 9 Pipetempsensor 10 Communication interface of indoor unit Interface of live wire Protective tube Interface of neutral wire These circuit diagrams are subject to change without notice please refer to the one supplied with the unit 56 Printed Circuit Boards Outdoor Unit 09 12K e TOP VIEW Input of neutral Interface 1 of Neulral wire of electric Live wire of 4 way i 1 4 T 10 13 Temp sensor ire of power electric reactor heater of chassis alve 2 Input of live Interface 2 of Neutral wire of electric 11 Live wire of electric 14 U V W three phases of power electric reactor heater of compressor heater of compressor 3 Communication Neutral wire of 4 way 12 nput of overload 15 Input of ground wire interface alve of power input valve These circuit diagrams are subject to change without notice please refer to the one supplied with the unit 57 Outdoor Unit 18K e VIEW GRIWEZ3 Al Ul 2010401428412 oh x u pO Cs QE
12. Step 3 Remove the clamps holding the electrical box cover to remove cover Step 4 Remove all wiring terminals remove all screws holding the box then remove the sub assembly Electrical box cover Sub assembly 100 Pipe clamp 8 Remove evaporator sub assembly Refrigerant piping Step 1 Remove the screws holding the pipe clamp Screws Step 2 Remove the screws holding the evapora tor sub assembly slightly reposition the tubing to Refrigerant piping remove the evaporator Evaporator sub assembly uL AL X dm E Fi ia zal i 1 oat La P 101 9 Remove indoor fan blade and motor Step 1 Remove the screws holding the up down swing motor to remove motor Step 2 Remove the screws holding the left right swing motor to remove motor 102 Wapa x Motor clamp Step 3 Remove the screws holding the motor clamp Step 2 Remove the fan blade and motor Step3 Remove the shaft bearing rubber cushion Rubber cushion base Step 4 Remove the screws holding the fan blade and motor then remove the motor 103 Before disassembly of indoor unit 2 Remove filter Step 1 Open the panel Step 2 Loosen the clasps on the filter push the filter inward then pull upward removing the filter 3 Remove guide louver Step 1 Remove the axial bushings of the big guide louver 104 Step 2 Remove the rotating shaft of the big gui
13. 1534 1093 12 536 8907 f a 1472 1054 a3 554 8495 65 1490 10 18 aa 1572 8105 66 1508 9827 as s90 17735 67 1526 9489 a7 626 705 69 1562 8854 as 644 6734 70 1580 8555 19 662 6433 71 1598 8268 20 680 6148 2 1616 7991 21i feos 5877 73 1634 7726 22 1716 59 74 1652 747 ME l feos 68 1544 9165 120 2480 1912 EM ss 134 Gree Electric Appliances Inc C 2014 Cat No DFS TERRA HP 2SM Version 2 0 135
14. Fault amp Status Possible Causes EEProm Malfuntion Status During cooling amp dehumidifying indoor unit 1 Faulty outdoor control board replace AP1 operates while other functions stop During heating operation complete unit stops Decrease in Frequency due to over heating 1 After the unit is off for 20 minutes check for of Module sufficient thermal grease on IPM module of Status the outdoor control board and that is seated All units operate with decrease in capacity tightly 2 Faulty control board replace Decrease frequency due to anti freezing Status All units operate with decrease in capacity Poor air return in indoor unit Fan speed too slow 78 E1 E3 Error Codes Fault amp Status Possible Causes High Pressure Protection of System 1 Refrigerant overcharge Status During cooling amp dehumidifying indoor unit operates while other functions stop During heating operation complete unit stops 2 Dirty outdoor coil 3 Blockage of airflow 4 Outdoor ambient too high Antifreeze Protection Status 1 Poor air return in indoor unit Cooling operation compressor stops while 2 Fan speed abnormal indoor fans runs Heating operation complete 3 Indoor coil dirty unit stops Low Pressure Protection Status Cooling operation compressor stops while 1 Low refrigerant charge indoor fans runs Heating operation complete unit stops 79 Error Code Diagnostics E4 Er
15. Off 3S and blink 15 times Outdoor Unit Display Method repeated every 5 seconds L Off B Illuminated Blink Status During cooling and drying op eration except indoor fan op erates all loads stop operation During heating operation the complete unit stops During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop During cooling operation compressor stops while indoor fan motor operates During heating operation the com plete unit stops During cooling operation compressor stops while indoor fan motor operates During heating operation the com plete unit stops Internal fan motor external fan motor compressor and electric heater stop operation guide louver stops at present location Wireless remote receiver and button are effective but can not dispose the related com mand Possible Causes Possible reasons 1 Refrig erant was superabundant 2 Poor heat exchange including filth blockage of heat exchanger and bad radiating environment Ambient temperature is too high 1 Poor air return in indoor unit 2 Fan speed is abnor mal 3 Evaporator is dirty
16. Please refer to the malfunc tion analysis discharge protection overload 1 Supply voltage is unsta ble 2 Supply voltage is too low and load is too high 3 Evaporator is dirty Refer to corresponding malfunction analysis Refer to the malfunction analysis overload high temperature resistant 1 Bad contact of DC mo tor feedback terminal 2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor mal function 5 Malfunction of mainboard rev detecting circuit 1 No jumper cap insert on mainboard 2 Incorrect insert of jumper cap 3 Jumper cap damaged 4 Abnormal detecting circuit of mainboard 71 Indoor Unit Display Method Outdoor Unit Display Method repeated every 5 N seconds A C Status ame Indoor Cool O Off Display Indicator m Illuminated Blink Malfuncti alfunction Possible Causes 10 1 17 13 1 v Indoor ambient temperature sensor is open short circuited Overcurrent protection of phase current for compressor Indoor evapora tor temperature sensor is open short circuited Outdoor ambi ent temperature sensor is open short circuited Outdoor con denser tem perature sensor is open short circuited Outdoor dis charge tem perature sensor is open short circuited Off 3S and blink once Off 3S and blink 15 times Off 3S and blink twice Off 3S and blink 3 times Off 3S and blink 4 times Off 3S and bli
17. The indoor fan can be set to Ultra High High Med Low and Auto with the remoter controller In auto mode the following speeds will be set Cooling Mode a Tindoorambient gt T setpoint 2 F fan will run on high speed b Tsetpoint 2 F lt Tindoorambient lt T setpoint 2 F fan will run on medium speed C Tindoorambient lt Tsetpoint 2 F fan will run on low speed T preset 2 F T preset T preset 2 F Fan Speed 38 Product Introduction Other Controls 7 Indoor Fan Control cont Fan Only Auto Mode a Tindoorambient gt Tsetpoint 4 F fan will run on high speed b Tsetpoint 2 F lt Tindoorambient lt Tsetpoint 4 F fan will run on medium speed C Tindoorambient lt 2 F of Tsetpoint fan will run on low speed Tpreset 4 F Tpreset Tpreset P Fan Speed Dry Mode The indoor fan will be set to low speed Heating Mode a Tindoorambient lt Tsetpoint 1 F fan will run on high speed b Tsetpointt 19 lt Tindoorambient lt T setpoint 5 F fan will run on medium speed c Tindoorambient gt Tsetpoint 2 F fan will run on low speed Tpreset 5 F T preset 39 Product Introduction Other Controls 8 Buzzer Control The buzzer control will send a Tone when the air conditioner is powered up or received information sent by the remote control You will also hear the tone when there is a button input or if the indoor unit
18. pacity test code Max cooling or heating capacity test code gt N Middle cooling or heating ca pacity test code gt Min Cooling or heating capaci ty test code EN E ON 8 Failure of startup of compressor 45 High discharge temperature protection of compressor Overload protection 47 Overcurrent protection for the complete unit 48 Overcurrent protection for the complete unit 49 Desynchronizing of compressor Le Blinks for 11 times E4 Blinks for Blinks for 4 times 7 times E8 Blinks for Blinks for 8 times 6 times E5 Blinks for Blinks for 5 times 5 times P5 Blinks for 15 times H7 Blinks for 7 times Lack reverse phase protection of wa jJ S 51 Module current protection IPM Displayis H5 Blinks for Blinks for protection controlled 5 times 4 times 92 Low voltage protection for DC byremote PL Blinks for Blinks for bus bar control 21 times 12 times 53 High voltage protection for DC PH Blinks for Blinks for bus bar 11 times 13 times PFC protection HC Blinks for Blinks for 6 times 14 times High power protection not for L9 Blinks for Blinks for outdoor 20 times 9 times Abnormal reversing of 4 way U7 Blinks for 20 times F8 Blinks for Blinks 8 times once F9 Blinks for Blinks 9 times twice FH Blinks Blinks Blinks for twice twice 4 times 54 55 56 57 Frequency limit decrease for current protection of the com plete unit 58
19. should be no reading from either wire to ground If readings vary from these measurements replace the heater 64 Troubleshooting Outdoor Components Reactor Resistance Check The line reactor helps to smooth the inrush current reduce harmonics and noise and buffers the system pro tecting the electronics from transient voltage noise The resistance between the coils will be very low approxi mately 3 ohms and should not have any resistance to ground You should disconnect the wires from the reactor before taking any readings 65 Fault Displays Yellow indicator blinks once gt Yellow indicator blinks twice Yellow indicator blinks for 3 times Yellow indicator blinks for 4 times Yellow indicator blinks for 5 times Yellow indicator blinks for 6 times Yellow indicator blinks for 7 times Yellow indicator blinks for 8 times Red indicator blinks once Red indicator blinks twice Red indicator blinks for 3 times Red indicator blinks for 4 times Red indicator blinks for 5 times Fault Indicator Lights Outdoor Unit 66 LED LED Yellow Malfunction Name Malfunction Lamp for Lamp for LED gen T Cooling Heating Lamp 1 Malfunction of Circuit for zero U8 Blinks for cross detection 17 times 2 Malfunction protection for C5 Blinks for jumper cap 15 times 3 No feedback from indoor motor H6 Blinks for 11 times 4 Indoor ambient temp sensor has Fl Blinks open or short circuit once 5 Indoor eva
20. 769 a7 626 2868 69 1562 3 603 0 746 as 644 2739 fzo 1580 3481 0 729 a9 662 2617 71 1598 3364 071 20 so 2501 2 1616 3252 0 692 21 Jess 1259 3 1634 3144 0 674 22 ne 12285 74 1652 304 0 658 23 734 2185 175 io 294 0 64 24 732 1209 76 1688 2844 0 623 a5 jo 20 77 106 2752 0 607 26 788 1914 _ 1724 2663 0 592 27 1806 79 1742 2577 0 577 28 24 11755 s 1760 2495 0 563 29 42 fiss js 1778 2415 J133 2714 0 549 0 8680 161 82 i796 2339 134 2732 0535 _ s jJszs 1543 1814 2265 fiss 2750 05201 32 896 1479 fsa 1832 2194 fise 2768 0509 132 Appendix 3 Resistance Table of Outdoor Discharge Temperature Sensor 50K Temp Temp Temp Temp Temp Temp Pp C F C F 29 202 8555 23 7a 5374 75 1670 7224 28 84 7998 124 2 5141 76 1688 6998 27 166 25 o 4919 77 1706 6761 26 148 7038 126 788 4708 728 1724 6 542 25 130 sos 27 806 4507 6 331 24 112 608 28 8324 4316 6 129 80 23__ 94 5806 29 842 4134 5 933 22 76 5489 fso 860 3961 5 746 21 58 5166 fsi 828 3796 5 565 20 40 4865 32 896 3638 5 39 19 22 4583 33 914 3488 522 18 04 1432 fsa 952 3345 fse 1868 506 a7 14 4074
21. Malfunction Supply voltage 100 ow Status 2 Wiring terminal on reversing valve is loose or broken During heating mode complete unit will stop 3 Replace reversing valve c c c C B 29 B B Zero crossing malfunction of Outdoor Unit Status During cooling mode compressor will stop 1 Replace outdoor control panel AP1 indoor fan will run Heating mode all units stop 93 PH PL P5 P7 P8 Error Codes Fault amp Status During cooling mode compressor will stop indoor fan will run Heating mode all units stop During cooling mode compressor will stop indoor fan will run Heating mode all units stop During heating mode complete unit will stop During cooling mode compressor will stop indoor fan will run Heating mode all units During cooling mode compressor will stop indoor fan will run Heating mode all units stop Possible Causes Measure the voltage on L amp N on line voltage if it is higher then 265vac correct high voltage If AC voltage is normal measure the voltage on the electrolytic capacitor on control panel AP1 if it is normal replace the AP1 board Measure the voltage on L amp N on line voltage if it is lower then 200vac correct incoming voltage If AC voltage is normal measure the voltage on the electrolytic capacitor on control panel AP1 if it is normal replace the AP1 board 1 Refer to troubleshooting Replac
22. Overload protection for compressor t gt Oo mal bo SN IPM protection i gt N protection ON Desynchroniz ing of compres sor Defrosting 1 Off 3S and blink once Static dedusting System is abnor Off 3S and blink twice H2 Off 3s and blink 3 times H4 Off 3s and blink 4 times H H5 Off 3s and blink 5 times Off 3s and blink 6 times HC Off 3s and blink 7 times H7 Defrosting will occur in heating mode Compressor will operate while indoor fan will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation It s the normal state 1 Wiring terminal OVC COMP is loosened In normal state the resistance for t
23. Refrigerant Line Connection Carefully bend and cut the tubing to prepare for flaring Use a flaring tool designed for R410a following the recommended manufacturer s procedure Tighten the flare nut to the indicated torque by using a spanner wrench and a toque wrench Connect the indoor unit first then the outdoor unit Note XA Over tightening flare nuts may damage flare connections and may cause leaks Indoor unit pipino gg Taper nut Piping e 1 4 spanner 74 fff True m Step 2 System Leak Check Refrigerant lines should be pressurized prior to evacuating system to check for leaks Use only dry nitrogen with a pressure regulator for pressurizing unit Pressurize with 150 psi of dry nitrogen Apply soap and water to check whether the joints are leaky A leak detector may also be used for a leakage test Hint You may want to perform leak testing and evacuation before wiring to save time electrical connections can be completed while your vacuum pump is running Step 3 System Evacuation Note The outdoor unit contains a refrigerant charge leave liquid and gas valves closed 1 After no leaks have been detected connect a vacuum pump to the outdoor unit 2 Connect appropriate hoses to manifold gauge vacuum pump and unit refrigeration connections 3 Evacuate the system until the micron gauge reads no higher than 350 microns 4 Close valve to vacuum pump if pressure does not rise above 500 microns after one
24. Remove sound proof barrier 6 Remove fan blade Carefully remove barrier Remove the bolt holding the blade then remove Barrier Fan Blade 9 Remove isolation sheet 7 Remove electrical box assembly Remove screws holding sheet then remove sheet Unplug the wire terminals of the compressor motor capaci tor and reactor Remove the bonding and ground screws then remove screws holding box and remove box Remove the screws holding the fire retardant box and remove Electrical Box iL y 9v Reactor i 4v Ll n m wi P CN X Isolation sheet Capacitor TT 10 Remove refrigerant valves Fire retardant electrical box Properly remove refrigerant Protect valve assembly by wrapping valves with wet cloth unsolder valves then remove screws hold ing support Remove screws holding valves then remove valves 123 11 Remove 4 way valve 14 Remove condenser Properly remove refrigerant charge then remove valve by heating Remove the screws holding the condenser assembly and chassis brazed joints and withdrawing pipe from valve then lift and remove Condenser 12 Remove compressor Remove the three screws holding the compressor 13 Remove fan motor and support Remove the 4 screws holding the motor remove wire connector then remove the two screws holding the motor support bracket Fan Motor Motor support 124 3 Remove
25. The system guards against discharging cold air in heating mode It will delay the indoor fan until the evaporator coil has warmed up to discharge warm comfortable air into the room 1 When the Tindoorambient lt 75 F and the Tindoortube lt 104 F with the fan in a stopped state the indoor fan will begin to run at low speed after a 2 minute delay This will reduce cold air upon heating startup Within 2 minutes if Tindoortube gt 104 the indoor fan will run at low speed After 1 minute of operation the fan will run at the preset fan mode Within 1 minute of low speed operation or 2 minutes of no fan operation with the Tindoortube gt 108 F the fan will run at the preset mode 2 If the Tindoorambient gt 75 F and the Tindoortube lt 108 F the indoor fan will run at low speed for 1 minute than run at the preset mode After 1 minute of low speed operation if the and the Tindoortube gt 108 F the fan will operate at its preset mode Note The Tindoorambient in 1 amp 2 above refers to the unit going into the heating mode coming out of defrost Overcurrent and Speed Protection Total Current The software will monitor the compressor current draw and adjust the compressor speed in order to maintain the inverter and compressor in a safety and reliable operating range A If Itota lt 13 an increase or decrease in frequency will be allowed B If Itota 213 and lt 17 frequency will remain the same C If Itot
26. The unit will stop and start by setting the Timer on the remote controller 5 Energy Savings Mode Press Temp amp Clock simultaneously display will indicate SE In heating mode refer to the Cold Air Prevention explained in the 3 Heating Mode process In cooling mode the fan speed will adjust according to the fan speed curve below 889 F Tpreset 3 F 1 F Fan Speed Turbo High ny 35 Product Introduction Other Controls 6 Sleep Control The Terra has 3 Sleep mode settings to improve comfort and energy savings Auto Mode and Fan Mode do notutilize the Sleep Mode Settings Sleep Mode 1 Gradual Cycle 1 Cool or Dry Mode a After 1 hour of operation the temperature setting will raise 2 F b After 2 hours of operation the temperature setting will increase 4 F and stay at this setting until the sleep mode in canceled 2 Heat Mode a After 1 hour of operation the temperature setting will decrease 2 F b After 2 hours of operation the temperature setting will decrease 4 F and stay at this setting until the sleep mode in canceled 36 Product Introduction Other Controls Sleep Mode 2 Adaptive Cycle 1 Cool or Dry Mode Initial setpoint between 61 F 74 F a After 1 hour of operation the temperature setting will raise 2 F every hour b After 3 hours of operation the temperature setting will raise 6 F above initial setpoint and stay at this setting c After 7 ho
27. be completed while your vacuum pump is running Note The outdoor unit contains a refrigerant charge leave liquid and gas valves closed 1 After no leaks have been detected connect a vacuum pump to the outdoor unit 2 Connect appropriate hoses to manifold gauge vacuum pump and unit refrigeration connections 3 Evacuate the system until the micron gauge reads no higher than 350 microns 4 Close valve to vacuum pump if pressure does not rise above 500 microns after one minute the evacuation should be complete 5 Ifit does rise check for leaks and or evacuate longer 6 For refrigerant lines longer than 25 feet refer to in stallation instructions chart included with the unit installation manual for additional charge i nim 00 89 50 Installation Connect the Outdoor Wiring 1 Remove the handle on the right side plate of the out door unit 2 Connect power wiring form outdoor disconnect to L1 L2 and ground 3 Connect wiring from indoor unit to 1 2 3 amp ground being careful to match color code of indoor connections Use 14 4 stranded wire 4 Check all connections to tightness 5 Reinstall the cover handle Note Follow all local electrical codes for electrical wiring Strain relief 51 Filter Maintenance and Emergency Operation Cleaning Air Filter 1 Remove the front panel as shown on the picture in the left 2 The first stage filter can be cleaned with a vacu um cle
28. doesnt receive a signal from the re mote controller in the Heat Mode 9 Auto Button Manual Override Located on indoor unit In the event the controller is missed placed or the batteries are defective this will over ride the remote controller If the controller is on pressing this button will stop it if it is off pressing the button will turn the controller on When turning the controller on the swing and light will be on and the unit will run based on the remote controller setting 10 Swing Control Vertical Swing During power up the vertical swing motor will move the horizontal louver counter clockwise and close the air deflector In Heating and Auto Heat mode the air deflector will move to position D if no swing mode is set In Cooling mode the louver will move to L1 All other positions can be set by pressing the appropriate button to change the swing location Heating Angle Cooling Angle L1 L A1 A B1 gt B C1 C D1 D Horizontal swing During power up the vertical louver will be reset to the start position and then stop in the middle position There are 7 positions that the horizontal swing can be set including automatic swing and stopping between position 1 amp 5 40 Product Introduction Other Controls 11 Display 1 Operational and Mode Display Allthe display patterns will display for a time when the power is on the operation pattern will display in red
29. fius 2390 oss 12 s36 2718 64 1472 3217 16 2408 0642 a3 ss4 12592 fes 1490 3105 117 2426 0205 _ as 572 2473 fes 1508 2998 118 as soo 236 67 1526 2896 19 16__ 68 12253 fes 1544 2797 120 17 626 2151 69 1562 2702 1n as j 644 12054 fzo 1580 260 f 12 19 662 1963 71 1598 2523 _ 23 20 680 1875 2 is 12439 124 21 1698 11793 fz 1634 2358 12 221716 1714 4 1652 228 126 24 752 1568 7 1688 2133 25 jo fis 77 1206 2064 26 7z88 11436 78 1724 1997 27 1806 1374 79 1742 193 28 24 11316 s 1760 1871 29 2 fize js 1778 fisu 3o 860 11207 82 i796 1754 s iss 1157 _ i814 1699 128 129 130 131 132 133 134 135 E EN 23 734 1639 75 io 22 2 E ME EN 130 Appendix 2 Resistance Table of Outdoor and Indoor Tube Temperature Sensors 20K Temp Temp Temp Temp Temp Temp F C F C F a9 22 fisia 33 fisis 85 1850 2125 as 04 fina fsa 932 1359 86 1868 2059 _ a7 fia 621 35 950 fsz 1886 199 16 32 1533 36 98 1251 88 1904 1934 as s0 is fsz 98 12 js 1922 Ls aa 68 1372 _ 1004 1152 fso 1940 1818 a3 86 1299 39 102 1106
30. guide louver 6 Remove front case Step 1 Remove the screw cover of the front case then remove the screws Step 2 Remove the front case to separate the front case from the bottom assembly 114 7 Remove electrical box sub assembly Step 1 Remove the indoor tube temperature sensor Step 2 Remove the screws holding the bonding wire then remove the wire Step 3 Remove the clamps holding the electrical box cover to remove cover Step 4 Remove all wiring terminals remove all screws holding the box then remove the sub assembly 115 8 Remove evaporator sub assembly Step 1 Remove the clamps connecting the water tray and chassis then remove the water tray Step 2 Remove the screws holding the tubing clamp then remove the clamp Step 3 Remove the screws holding the evapora tor sub assembly slightly reposition the tubing to remove the evaporator 116 Step 4 Turn over the indoor unit and adjust the tubing to the position as shown by the broken line Step 5 Lift up and remove the evaporator 117 9 Remove indoor fan blade and motor cont Step 1 Remove the two screws holding the step motor and remove the step motor Step 2 Remove the screws holding the cross flow blade and motor Step 3 Remove the motor sub assembly Step 4 Pull out the plug of ring bearing 118 Ring of bearing Screws 1 Before 4 Remove panel and grille Remove the
31. is decreased All loads operate normally while operation frequency for compressor is decreased During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Possible Causes Refer to the malfunction analysis overload high temperature resistant The input supply voltage is too low System pressure is too high and overload Overload or temperature is too high Refrigerant is insufficient Malfunction of electric expansion valve EKV 1 Measure the voltage of position L and N on wiring board XT if the voltage is high than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel 73 Indoor Unit Display Oudoor Unii Display Method repeated every 5 seconds Status Heating O of Indicator B Illuminated Blink Malfunction Possible Causes Indoor Name Display N E protection
32. minute the evacuation should be complete If it does rise check for leaks and or evacuate longer For refrigerant lines longer than 25 feet refer to installation instructions chart included with the unit installation manual for additional charge 44 o o0 Refrigerant Charging Procedure Please refer to your units installation manual for proper charge If your lineset exceeds 25 additional charge will be required The charge must we weighed in with a refrigerant charging scale Multiply refrigerant charge per ft by total tubing length 25 Example 35 of installed tubing installation manual requires additional 24 ounces per foot 35 25 10 additional ft x 24 2 4 ounces to be added Remove the suction port cap on the valve then attach 5 16 F 1 4 M adapter to the suction port Connect your low side hose to the 1 4 fitting Close all valves on your gauge set then connect the correct refrigerant tank to the charging hose Place the refrigerant tank on the charging scale Open the tank valve turn on the scale then zero the scale 45 Refrigerant Charging Procedure cont Open the low side manifold valve to begin the charging process Unit should be charged in liquid state If the scale was zeroed with the refrigerant tank on the scale the amount added to the system will be a nega tive amount since it was removed from the tank After the proper amount of ref
33. the unit and disconnect the electrical supply Properly insulate tubing running inside the room to prevent water damage from condensation A Warning All installation or repair work shall be performed by your dealer or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Warning Pressurized Refrigerant Personal injury could result in failure to follow this warning System contain oil and refrigerant under high pressure proper refrigerant handling techniques should be completed by a qualified technician A Warning Live Electrical Components Personal injury property damage or death could result in failure to follow this warning Follow all electrical precautions when servicing this system it may be necessary to service or troubleshoot with live electrical circuits All work should be completed by a qualified technician Product Catalog Number Nomenclature TERRA 24 HP 230V 1 A H S System O Outdoor H Indoor High Wall D Indoor Duct C Indoor Cassette F Indoor Floor Ceiling RIO NEO TERRA Revision Level Style Color Designation 09 9 000 btuh 12 12 000 btuh 18 18 000 btuh 24 24 000 btuh 30 30 000 btuh 36 36 000 btuh 42 42 000 btuh AC Cooling Only HP Heat Pump HC Heat Cool 230V 208 20V 60Hz 1PH 115V 115V 60Hz IPH a s Physical amp Electrical Data cont a Model TERRA09HP230V1A TERRA12HP230V1A Power Supply
34. tubes lt 43 E the compressor will adjust its speed as needed If the unit has stopped 6 times repeatedly the unit will stop and a fault code will be displayed The unit will need to be turned off then back on to reset As the compressor runs in normal mode the number of faults will be cleared they may also be cleared by switching from fan mode to heat mode Overcurrent Protection Ihe software will monitor the compressor current to maintain it in a safety and operating range If the total current gt 17 amps the compressor will stop and the indoor fan will stop after 30 seconds The system can resume after a 3 minute startup delay 29 Product Introduction BasicFunctions Basic Functions 2 Dry Mode Drying Process This feature will not take the place of a dehumidifier it is intended to dry the filer and slightly cool the air If the indoor ambient temperature is greater than the preset temperature the unit will enter the cooling and drying mode in which case the compressor will operate and the indoor fan will run at a low speed When the indoor ambient temperature is at or below the preset temperature the unit will operate in it previous running state When the indoor ambient drops to more 3 6 F below the preset temperature the compressor will stop running then 30 seconds later the outdoor fan will stop the indoor fan will run at low speed Tpreset Tpreset 3 6 F Compressor lt LLLA
35. 000 btuh NIOGBIS 119 121 Disassembly of Outdoor Unit 18 000 btuh 122 124 Disassembly of Outdoor Unit 24 000 btuh Modiels a 125 128 Appendix 1 3 Temperature Sensor Resistance Tables uuu tee ep Ir MU UI 129 134 2 Installing starting up and servicing air conditioner can be hazardous due to system pressure electrical components and equipment location etc Only trained qualified installers and service personnel are allowed to install start up and service this equipment Untrained personnel can perform basic maintenance functions such as cleaning coils All other operations should be performed by trained service personnel When handling the equipment observe precautions in the manual and on tags stickers and labels attached to the equipment Follow all safety codes Wea safety glasses and work gloves Keep quenching cloth and fire extinguisher nearby when brazing Read the instructions thoroughly and follow all warnings or cautions in literature and attached to the unit Consult local building codes and current editions of national as well as local electrical codes Recognize the following safety information Warning Incorrect handling could result in personal injury or death Caution Incorrect handling may result in minor injury or damage to product or property A Warning All electrical work must be performed by a q
36. 102 js 1868 1544 az fia l6 35 950 9779 87 1886 1497 _ 16 32 fus fse j968 9382 fss 1904 1451 15 s0 087 37 X 986 900 1 408 14__ 6 __ 09 1004 8 642 1 363 13 86 974 39 1022 8297 1 322 39 90 12 104 9222 fso 1040 7967 1 282 u 122 8735 41 105 84 7 653 1244 10 140 8275 42 1076 7352 1 207 9 158 17843 fas 1094 7065 281176 7435 fa r2 6791 f L7 1194 05 5 uso 6529 6 212 6688 46 i148 6278 5 230 6346 47 fiss 6038 a 248 6023 i184 5809 3 266 5718 49 1202 5589 2 284 5431 50 1220 5379 a 302 5159 51 038 5197 o 320 02 52 1256 4986 a jss8 1466 53 1274 4802 2 356 4431 54 i292 4625 3 sza 214 55 10 4456 A s92 4009 s 1328 4294 5 fao 3815 157 1346 4139 6 428 3632 58 1364 399 7 446 3458 59 1382 3 848 8 464 3294 feo 1400 3711 9 482 3138 fei 1418 3579 1 171 1 136 1 103 98 2084 1071 99 2102 1 039 1 009 0 98 0 952 0 925 0 898 0 873 0 848 0 825 0 802 0 779 0 758 0 737 0 717 0 697 129 Appendix 1 Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 15K Temp Temp Temp Temp Temp Temp F C F C F lO 299 62 1436 3454 114 2322 0 678 i sts 2851 63 1454 3333
37. 3 ccumuliator lt 4 A D 2 nM a a E i a bs 1 D lt 7 a 4 I b Z lt a i e High Pressure Switch Strainer Compressor Note Component locations may vary depending on models 12 Product Introduction Operation Characteristic Curve 09K Cooling 10 air flow High ALL s LLL Current A an Compressor speed rps 12K Cooling zi Condition j j C Indoor DB 80 6 WB66 2 F MEE Current A Compressor speed rps 18 24K Cooling Condition Indoor DB 80 6 F WB66 2 F Indoor air flow Super High Pipe length 24 6ft Current A Compressor Speed rps Heating 10 9 LLL 8 7 Condition lt 6 Indoor DB 68 F Indoor air flow Super High Pipe length 24 6ft 5 4 O 3 2 1 0 Compressor speed rps Heating Current A Current A 8 Condition 7 Indoor DB 68 F 6 Indoor air flow Super Hight 5 Pipe length 24 6ft 4 3 2 1 0 Contdition Indoor DB 80 6 WB66 2 F Indoor air flow Super High Pipe length 24 6ft Compressor Speed rps 13 Product Introduction 09 12K Cooling 110 100 i ems 5 O O 80 Condition Indoor DB 80 6 F WB66 4 Indoor air flow Super High Pipe length 24 6ft 70 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor t
38. 30 Product Introduction Basic Functions Heating Process cont Stop heati op heating Tpreset 9 F HX UAE NU 0 Previous running status Tpreset 2 F amb 26 min 23 min 26 min Start heating Compressor 222 mmm Outdoor unit rmm ae Blow residual heat Indoor unit 2 mi LA GL 4 valve E C i m Defrost Process and Oil Return Indoor display will indicate H1 this is not a fault code 1 The unit will enter defrost when the following conditions are met A Outdoor ambient lt 41 F B Compressor had accumulated more than 3 hours of operation in heating mode C The outdoor coil lt 32 F Note The compressor run time will be cleared when the outdoor ambient is gt 41 F or when the compressor has started up after changing to cooling or drying mode and defrost has finished The run time will not be cleared when the unit has stopped after reaching the setpoint temperature a protection fault or changing to fan mode There are 3 perimeters used in the defrost algorithms Outdoor ambient Toutdoorambient Outdoor tube Toutdoortube and a calculated Tcompensation T compensation is calculated by the following A After energization for the first defrost Tcompensation 32 F B Toutdoortube gt 36 F then Tcompensation 32 p C Toutdoortube lt 36 F then compensation E0979 31 Product Introduction Basic Functions Defrost Process cont 2 When
39. 4 way valve will energize the 60 seconds later the compressor and outdoor fan will start The compressor speed for defrosting will be 85hz During Defrost mode a H1 will be displayed on the indoor front panel display indicating the user selected mode has been overridden and the system is performing a outdoor coil defrost operation 19 Product Introduction BasicFunctions Basic Functions System Protection Cold Air Prevention Heating mode with compressor running The system guards against discharging cold air in heating mode It will delay the indoor fan until the evaporator coil has warmed up to discharge warm comfortable air into the room 1 When the Tindoorambient lt 75 F and the Tindoortube lt 104 F with the fan in a stopped state the indoor fan will begin to run at low speed after a 2 minute delay This will reduce cold air upon heating startup Within 2 minutes if Tindoortube gt 104 F the indoor fan will run at low speed After 1 minute of operation the fan will run at the preset fan mode Within 1 minute of low speed operation or 2 minutes of no fan operation with the Tindoortube gt 108 F the fan will run at the preset mode 2 If the Tindoorambient gt 75 F and the Tindoortube lt 108 F the indoor fan will run at low speed for 1 minute than run at the preset mode After 1 minute of low speed operation if the and the Tindoortube gt 108 F the fan will operate at its preset mode
40. Checking the 4 way valve in cooling mode requires the measurement of 4 readings First record the temperature of the compressor discharge tubing secondly record the temperature of the tubing go ing to the condenser There should be no more than a 10 degrees difference between the two readings The next set of readings will require recording the temperature of the tubing going to the suc tion line and the temperature of the tubing going to the accumulator Again if there should be less than 10 degrees difference between these readings A temperature reading higher than 10 degrees may indicate a leaky valve not fully shifter or a block age in the valve 4 Way valve solenoid resistance check v q Compressor M x Discharge aqp penas Ld Checking the 4 way valve in heating mode re quires the measurement of 4 readings First re cord the temperature of the compressor discharge tubing secondly record the temperature of the suction line tube There should be no more than a 10 degrees difference between the two readings The next set of readings will require recording the temperature of the tubing going to the condens er coil and the temperature of the tubing going to the accumulator Again if there should be less than 10 degrees difference between these readings A temperature reading higher than 10 degrees may indicate a leaky valve not fully shifter or a block age in the valve Be
41. Frequency limit decrease for current protection of the module phase current 59 Frequency limit decrease for high discharge temperature Frequency limit decrease for freeze protection 69 Fault and Status Display Table 9 000 12 000 Systems 61 Frequency limit decrease for F6 Blinks for Blinks for overload 6 times 3 times 62 Frequency limit decrease for EU Blinks for Blinks for Blinks for module temperature protection 6 times 6 times 11 times 63 Oil return in cooling F7 Blinks for 7 times Display is 9 times 65 Freeze protection controlled E2 Blinks Blinks for by remote twice 3 times Reading malfunction of EE control Blinks for PROM 11 times 67 Reaching temperature for turn Blinks for ing on the unit 8 times Frequency limit power Blinks for 13 times Malfunction of outdoor fan Blinks for 14 times 70 gt Oo NO Malfunction Name High pressure protection of system Anti freezing protection High discharge temperature protection of compressor Overcurrent protection Communica tion Malfunc tion High tempera ture resistant protection Internal motor fan motor do not operate Malfunction protection of jumper cap Indoor Unit Display Indoor Display Operation Indicator OFF 3S and blink once OFF 3S and blink twice Off 3S and blink 4 times Off 3S and blink 5 times Off 3S and blink 6 times Off 3S and blink 8 times Off 3S and blink 11 times
42. H a gt amm BK gt nes mE C PRINTED CIRCUIT BOARD es GN YEGN x S CABLE YEGN G 1 LET 0 YEGN LL ELECTRIC BOX LEFT RIGHT UP DOWN UP DOWN STEPPING MOTOR STEPPINGMOTOR STEPPING MOTOR 53 Electrical Schematics 09 12K W4 YEGN INDOOR UNIT i XT XT1 L1 1 L1 1 W2 BU 21 SE wi BLOCK i POWER 52 o L1 UM W9 BU HEATER HEATER COMP CHASSIS 1 FANMTOR 18 OUTTUBE OUTROOM DISCHARGE TEMP SENSOR TEMP SENSOR TEMP SENSOR 4 m sn m n m rr 1 T SENSOR OVC COMP AP1 PRINTED CIRCUIT BOARD 10BU MAGNETIC RING INDC2 PFCC1 2 Dd 20YEGN N 12WH 1306 re YE p pe CAP Electronic 8 AVAIT rid YEGN REACTOR 54 Electrical Schematics 24K 4WH SWH COMP x Comp E 6YEGN OUTTUBE OUTROOM DISCHARGE A WAY TEMP SENSOR TEMP SENSOR TEMP SENSOR MAGNETK VALVE RING 3 2 L2 G x Y en 9 1 2BU CA x ae T GN YEGN rp vr ww x s G i E x _ 14YEGN f A COMP U COMP V COMP W T SENSOR OVC COMP az I e AP1 NN PRINTED CIRCUIT BOARD INDC1 INDC2 PFCC1 2 POWER EKV Electronic expansion valve
43. N on wiring board XT if the voltage is higher than 150VAC turn on the unit after the supply voltage is increase to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 Discharging after the complete unit is de ener gized for 20 mins check on whether the thermal grease on IPM Module of out door control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel 1 Supply voltage is lower than AC175V 2 Wiring terminal 4V is loosened or broken 3 4V is damaged please replace 4V Replace outdoor control panel AP1 Poor air return in indoor unit or fan speed is too low C5 Error Code 5 Jumper Malfunction 1 No jumper cap inserted on board Status 2 Jumper cap not fully seated Wireless remote will not send command to 3 Jumper cap damaged indoor unit 4 Bad control board Start Troubleshooting Is there a jumper cap on the No Install a matching jumper cap Yes Yes No Is system Yes operating properly Is the jumper cap Re insert the jumper inserted correctly cap No Is system Yes operating properly Yes Replace the jumper cap Is system Yes operating properly Replace the main control board End Troubleshooting 77 EE EU FH Error Codes
44. Yes 85 F6 F9 Temperature Sensor Codes See troubleshooting chart next page Fault amp Status Decrease frequency due to overload Status All systems operate normal with decrease in capacity Oil Return in Cooling Decrease frequency due to overcurrent Status All systems operate normal with decrease in capacity Decrease frequency due to high discharge alr Status All systems operate normal with decrease in capacity Possible Causes 1 Refer to E8 troubleshooting procedures Normal function 1 Input voltage too low System pressure is too high Cooling load is too great Outdoor ambient too high Refrigerant undercharge Electronic expansion valve fault RUMPA Start up Failure Troubleshooting Lc Start up Failure Start the unit after waiting 5 minutes Are the compressor wires UVW No connected properly Yes Repair Connection Is unit operating properly Yes Is refrigerant charge correct Charge Unit according to service AR manual zb fam Siete Does unit startup normally Compressor Terminals Replace the controller 1 Yes Is problem corrected Replace Compressor End Troubleshooting 87 HC Error Code HC Power Factor Correction Protection Status 1 Check for damage to the reactor and PFC During cooling amp dehumidifying indoor unit capacitor of the outdoor unit operates while other functions stop During 2 Refer to troubleshoo
45. a gt 17 the compressor will stop and the indoor fan will stop after 30 seconds 4 Fan Mode Under this mode the fan will run at the preset speed and the outdoor fan compressor and 4 way valve will stop 32 Product Introduction Basic Functions 5 Auto Mode Auto Mode Process Setting the auto mode will run the unit in heat or cool automatically depending on Tindoorambient 1 Operating Parameters A If the Tindoorambient gt 79 F the unit will operate in cooling mode The set temperature is 77 F B If the Tinaoorambient lt 72 F the unit will operate in heat mode The set temperature is 68 F C When the Tindoorambient lt 73 F and gt 77 F the unit will operate in the previous state If it is energized for the first time it will run in Fan mode D In auto mode the cooling frequency will be the same as the cooling only mode and the heating frequency will be the same as the heating only mode 2 Protection A In cooling operation protection is the same as the cooling only mode B In heating operation protection is the same as the heating only mode C When the indoor ambient temperature changes the operation mode will be automatically selected Once started the compressor will have a 6 minute run time 33 Product Introduction Basic Functions 6 Common Protection Functions and Fault Displays Overload Protection Ttube measured temperature of outdoor coil in cooling mode measured temperature of in
46. an mode There are 3 perimeters used in the defrost algorithms Outdoor ambient Toutdoorambient Outdoor tube Toutdoortube and a calculated Tcompensation T compensation is calculated by the following D After power up for the first defrost Tcompensation 32 F E Toutdoortube gt 36 F then T compensation 32r E F Toutdoortube lt 36 F then T compensation 37 5 2 When heating has operated continuously for 45 minutes or accumulated for 90 minutes the unit will enter defrost mode in 3 minutes after meeting any of the conditions below A Outdoor ambient gt 41 F and outdoor coil lt 28 F 28 F lt Toutdoorambient lt 41 F Toutdoortube lt 21 F 5 239 F lt Toutdectambient lt 28 P lt Toutdoortube lt 18 F D 14 F lt Toutdoorambient lt 23 Toutdoortube T compensation lt Toutdoorambient 37 F 3 During defrost if run time for the compressor does not reach 3 minutes the defrost cycle will not start for the next 2 hours At that time the compressor stops operation and 30 seconds later the outdoor fan will stop 30 seconds after this the 4 way reversing valve will de energized Following another 30 second delay the compressor will increase its compressor speed for defrosting Defrosting will last for 450 seconds or until the Toutdoortube gt 50 at this temperature the compres sor will decrease it compressor speed for 30 seconds then will stop In another 30 seconds the
47. ance between the first 4 pins and the 5th pin should be less than 100 ohms Replace coil of electronic Is system operating expansion valve normal Replace outdoor ki Check Refrigerant for AP1 control E nudi o Ing leakage and proper board End Troubleshooting 83 F1 F5 Temperature Sensor Codes See troubleshooting chart next page 8 4 Fault amp Status Indoor ambient temperature sensor is open or short circuited Status During cooling amp dehumidifying indoor unit operates while other functions stop During heating operation complete unit stops Indoor evaporator temperature sensor is open or short circuited Status After reaching set point all components stop operation cooling and heating modes Outdoor ambient temperature sensor is open or short circuited Status Cooling operation compressor stops while indoor fans runs Heating operation complete unit stops Outdoor condenser temperature sensor is open or short circuited Status Cooling operation compressor stops while indoor fans runs Heating operation complete unit stops Outdoor discharge temperature sensor is open or short circuited Status Cooling operation compressor stops after 3 minutes while indoor fans runs Heating operation complete unit stops after operating for 3 minutes pp p DI PF o N FOR P p m Possible Causes Loose or bad contact of indoor temperatu
48. aner or by washing with a mild soap and lt 113 F water 3 The second stage filter cannot be washed use a vacuum cleaner to clean any dust lint etc The filter is made up of Titanium Dioxide 4 Recharge the Titanium Dioxide filter by placing it in the Sun for 3 4 hours every 3 6 months Titanium Dioxide filter 2nd Stage Filter Missing or Inoperative Remote Control Emergency Operation When the remote controller is lost or damaged please use the auto switch on the indoor unit Press the AUTO STOP button to enter AUTO mode Press the AUTO STOP button again to turn the unit off 32 Electrical Schematics Electrical Legend e Indoor Unit Color symbol Color symbol N BROWN _ PROTECTIVE EARTH YE YELOW GN GREEN J Ro BK AK 1 REEN Jo C Je e Outdoor Unit Symbol Symbol Color symbol Symbol Color symbol BK BLACK RD RED COMP COMPRESSOR OG ORANGE YEGN YELLOW GREEN PROTECTIVE EARTH WH WHITE U These circuit diagrams are subject to change without notice please refer to the one supplied with the unit e Indoor Unit F nF r sc rr In m sss cV hU n mWI nm m my n r m m r ROOM TEMP RECEMERIND optional x TUBE TEMP FANMOTOR SENSOR SENSOR DISPLAYBOARD q _ AP3 gt CONNECTOR u K E y p r A Od ER TERMINAL ROOM TUBE DISP DISP DC MOTOR COM INNER1 BLOCK
49. back panel Remove the screws holding the top panel and side panels Remove P R holding back lf hassi the screws holding the front panel and remove the panel crews holding back panel from chassis and motor Panel gt 4 Remove grille guard Remove the screws holding the grille guard then remove guard Guard Front side panel 2 Remove front grille 5 Remove handle Remove the screws holding the front grille Remove the screws holding the handle Grille 125 6 Remove right side panel 7a Remove electrical box secondary Remove screws holding right side panel from chassis valve sup Remove screws holding secondary electrical box then remove port and condenser then remove panel box 7 Remove electrical box assembly 8 Remove left side panel Remove the screws holding electrical box cut plastic wire tie Remove the screws holding the left side panel and chassis then then unplug wire terminals remove panel Electrical box cover 2 rin mm p 1 iF E Li 70 9 Remove fan blade Remove the nuts on the blade then pull fan blade off Fan Blade 126 10 Remove motor and support Remove the screws holding the motor remove wire terminals then remove the motor Remove the screws holding the motor support then remove the motor support Ir Fat A ES Ere 11 Remove 4 way valve Properly remove the refrigerant un
50. back to the initial setpoint and remain until the sleep mode in canceled Cool or Dry Mode Initial setpoint above 85 F a The original setpoint will be maintained for 7 hours then after 7 hours it will decrease by 1 F until the sleep mode is canceled 2 Heat Mode Initial setpoint 61 F a The unit will maintain this setpoint until Sleep Mode is canceled Heat Mode Initial setpoint between 62 F 68 F a After 1 hour of operation the temperature setting will decrease 2 F and maintain this setpoint until Sleep Mode is canceled Heat Mode Initial setpoint between 69 F 81 F a After 1 hour of operation the temperature setting will decrease 2 F and maintain this setpoint until Sleep Mode is canceled Heat Mode Initial setpoint between 82 F 86 F a After 1 hour of operation the temperature setting will decrease 2 F every hour b After 3 hours the setpoint will be fixed at 6 F below the initial setpoint and remain at this setpoint until Sleep Mode is canceled 24 Product Introduction Other Controls Sleep Mode 3 Customized Cycle You will be required to enter 8 room setpoint values for 8 hours of runtime The last room setpoint value will be main tained until Sleep Mode is canceled In Sleep Mode 3 press the Turbo button to enter setup mode The remote controller will display 1 00 in the time lo cation Use the and buttons to select the desired room setpoint for t
51. bing is cold it must be insulated The superheated vapor in returned to the outdoor units 4 way valve The refrigerant will flow to the accumulator not all models will have an accumulator where liquid and vapor are separated he refrigerant will flow to the compressor and complete another refrigeration cycle he control board will monitor the temperature and pressures and adjust the frequency of the compressor and flow rate of the EEV as needed There are no pressure charts to evaluate temperature or pressures Product Introduction Heating Mode Outdoor Unit Indoor Unit Temperature Sensor Filter Heat N S Exchanger N N S Electronic expansion valve Iosso1duiro 19j19AUT Accumulator not on all sizes Hot gas is discharged from the compressor The temperature of the gas in monitored by the Discharge Tem perature sensor and sent to the outdoor control panel The hot gas is directed through the 4 way valve to the indoor coil making the line a hot gas line The hot gas will enter the indoor coil and condense to a saturated mix as it travel through the coil and will be slightly subcooled The refrigerant returns to the outdoor unit through the filter then trough the EEV reducing the refrigerant to a low pressure liquid and will maintain 10 degrees F of superheat The cold refrigerant will travel through the outdoor coil evaporator and will pickup heat from th
52. control compressor speed based on indoor load and compressor amperage When the indoor temperature is satisfied the compressor will stop then 30 seconds later the outdoor fan will stop Evaporator Freeze Protection The software will monitor the indoor evaporator coil form freezing The following will occur 6 minutes after the compressor has been operating in the cooling or dry mode If the evaporator temperature drops below 36 F the compressor will operate at a reduced frequency If the evaporator is below 30 F for 3 minutes the compressor will stop 30 seconds later the outdoor fan will stop In cooling mode the indoor fan and swing motor will remain on If the evaporator temperature is gt 50 F and the compressor is off for at least 3 minutes the compressor will resume its normal operation state Overcurrent Protection The software will monitor the compressor current to maintain it in a safety and reliable operating range If the total current lt 6 amps the compressor speed frequency is allowed to increase If the current gt 7 amps the compressor speed frequency will not increase If the total current gt 8 amps the unit will operate and decrease the compressor speed If the current gt 9 amps the compressor will stop and the indoor fan will stop after 30 seconds 2 Dry Mode Drying Process This feature will not take the place of a dehumidifier it is intended to dry the filter and slightly cool the air If the indoo
53. cting the mid isolation board and con isolation board loosen the bonding connection then remove the denser assembly wiring terminal lift off box assembly Box Cover Electrical box assy t l UL ee 120 13 Remove 4 way valve assembly Properly remove refrigerant charge then remove valve by heating brazed joints and withdrawing pipe from valve 14 Remove compressor Remove the three screws holding the compressor 15 Remove valve assemblies and condensor Remove the screws holding the condenser assembly then remove the screws holding the two valve assemblies rs ES 5 T A OU T E 2 EN Condenser assy 121 4 Remove front panel and grille 1 Before Disassembly Remove the screws holding the grille and panel remove the grille Remove remaining screws holding the panel pull panel upward loosen the clamp on the right side then rotate panel to the left and remove panel 2 Remove handle and valve cover Remove the screws connecting the handle and valve cover then remove 5 Remove right side panel Remove the screws holding the rear grille remove the screws holding the right side panel and valve support pull it upward then remove Valve cover 3 Remove top panel Remove the screws connecting the top panel Top Panel Rear Grille 122 8
54. de lover from the groove slightly bend the big guide louver to remove it Step 3 Remove the axial bushing of the small guide louver Step 4 Remove the rotating shaft of the small guide lover from the groove slightly bend the small guide louver to remove it 4 Remove panel Step 1 Loosen the clamps holding the panel then remove panel Step 2 Remove the screws holding the display then remove display 105 5 Remove front case Step 1 Remove the screws fastening the electrical box cover to remove cove Step 2 Remove the screws holding the front cover loosen clamps then remove cover 106 j Electrical box cover 2 s Step 1 Remove the clamps holding the swing fan connecting rod to remove the Step 2 Remove the clamps holding the swing fan blade to remove the blade EEA Fa a FETTEERE f m AL SI ae WALET x Swing fan blade 107 Step 1 Remove the indoor tube temperature sensor Step 2 Remove the screws holding the bonding wire then remove the wire Step 3 Remove the clamps holding the electrical box cover to remove cover Step 4 Remove all wiring terminals remove all screws holding the box then remove the sub assembly 108 Pipe clamp 8 Remove evaporator sub assembly Refrigerant piping Step 1 Remove the screws holding the pipe clamp Screws Step 2 Remove the screws ho
55. door ambient temperature is 9 F and 2 F of the preset temperature the unit will run in its original mode of operation If the compressor is running and the mode is changed from cooling to heating the 4 way valve will be energized 2 3 min utes later If the indoor ambient temperature is 9 F than the preset temperature the compressor will stop and the outdoor fan will stop after a 30 second delay The indoor fan will continue to operate at its preset mode The G10 technology will determine compressor frequency based on ambient temperatures L Stop heati op heating Tpreset 9 F lt A ON l Previous running status Tpreset 2 F T amb 26 gt 3 min gt 6 Start heating Compressor 222 ZZ Outdoor unite en Blow residual heat Indoor unit lt 2 mi 2 s Z 4 way valve 22222222222 Product Introduction Basic Functions Defrost Process 1 The unit will enter defrost when the following conditions are met A Outdoor ambient lt 41 F B Compressor had accumulated more than 3 hours of operation in heating mode C The outdoor coil lt 32 F Note The compressor runtime will be cleared when the outdoor ambient is gt 41 F or when the compressor has started up after changing to cooling or drying mode and defrost has finished The runtime will not be cleared when the unit has stopped after reaching the setpoint temperature a protection fault or changing to f
56. door coil in heating mode 1 Outdoor Coil High Temperature Protection In cooling mode the software will monitor the outdoor coil for an abnormal high temperature condition A If Ttube lt 126 F the unit will return to its original operation state B If Ttube gt 131 F frequency rise is not allowed C If Ttube gt 136 F the compressor will run at reduced frequency D If Ttube gt 144 F the compressor will stop and the indoor fan will operate at preset speed 2 Indoor Coil Temperature Protection In heating mode the software will monitor the indoor coil for an abnormal high temperature condition A If Ttube lt 122 F the unit will return to its original operation state B If Ttube gt 127 F frequency rise is not allowed C If Ttube gt 133 F the compressor will run at reduced frequency D If Ttube gt 140 F the compressor will stop and the indoor fan will blow residual heat and then stop 3 Compressor Discharge Temperature Protection The software will monitor the compressor discharge for an abnormal high temperature condition A If Ttube gt 208 E frequency rise is not allowed B If Ttube gt 217 F the compressor will run at reduced frequency C If Ttube gt 230 E the compressor will stop D If Ttube lt 194 F and the compressor has been off for at least 3 minutes the compressor will resume operation Communication Fault If the unit fails to receive correct signals for a 3 min
57. e appropriate button to change the swing location Heating Angle Cooling Angle OD gt r Horizontai swing During power up the vertical louver will be reset to the start position and then stop in the middle position There are 7 positions that the horizontal swing can be set including automatic swing and stopping between position 1 amp 5 LIN 27 Product Introduction Other Controls 11 Display 1 Operational and Mode Display Allthe display patterns will display for a time when the power is on the operation pattern will display in red under standby status When the unit is started by the remote controller the indication pattern will light and display the current operation You can turn off the display by pressing the Light button on the remote controller 2 Indoor Unit Display Depending on the settings on the remote controller the Indoor Unit LED display may display the current temperature setpoint and indoor ambient temperature H1 will be displayed during the defrost cycle 12 Drying Function XFan The indoor fan will run for 10 minutes after the unit is turned off cooling or dry modes only to ensure that additional moisture is removed from the coil 13 Power Off Memory Function Upon a power failure the mode of operation swing function light set temperature and fan speed will retain memory The unit will restart when recovering from a power interruption to the memory saved before the interruptio
58. e of the valve should have a higher reading then the output side indicating that the valve is meter ing If the temperature readings are the same the valve is fully open and the valve is not metering Since the pressures and frequency are controlled by the G10 technology of the outdoor circuit board there are no pressure checks that can be made Heating Mode b Input To check the operation of the EEV Valve in heating mode using a digital thermometer record the tem perature of the input line and the output line of the valve as indicated in the picture above With the com pressor running the input side of the valve should have a higher reading then the output side indicating that the valve is metering If the temperature readings are the same the valve is fully open and the valve is not metering Since the pressures and frequency are con trolled by the G10 technology of the outdoor circuit board there are no pressure checks that can be made Output ay mite 1 Botox 7 B 2 Resistance readings of EEV valve with wire plug disconnected from circuit board Power to unit should be off when making resistance readings Readings below are approximate values and may vary slightly with different outdoor models Blue 60 94 6 O 94 8 94 4 47 0 O 94 7 Q 94 4 47 5 94 6 O 47 7 47 4 Outdoor Components Heating Mode Cooling Mode
59. e outdoor air This will cause the cold saturated refrigerant to flash to a saturated mixture which will be superheated to 10 degrees F The superheated vapor will travel through the 4 way valve to the accumulator which will prevent liquid floodback Ihe superheated gas will enter the compressor for another refrigeration cycle he control board will monitor the temperature and pressures and adjust the frequency of the compressor and flow rate of the EEV as needed There are no pressure charts to evaluate temperature or pressures 10 Product Introduction Indoor Unit Components Terra 9 000 btuh Indoor Unit Other Terra models may very slightly 33 ais 847F2HAJ eee ett f k T3 15AH 250V exc ee CENE Indoor c iren Board 4 N gt Fan Motor Vertical Swing Ambient Motor Temperature Sensor Indoor Tube Thermistor 11 Product Introduction Outdoor Unit Components Terra 9 000 btuh Outdoor Unit Other Terra models may very slightly Temperature Sensor i _ FPN EL z E y B 2 x m pe s 4 M M gm Y D xe i E Net 4 gt L 1 3 G d U N Y gt Sy 2 I x 1 f y i k al S 2 TT E 3 T lt mer 7 m se dl Y Y NL 4 d d a J 2 4 i gt ww e a i e _ 4 k 4
60. e outdoor control panel AP 1 After unit is de energized for 20 minutes check for proper thermal grease on IPM module of outdoor control panel AP1 and contact is good If this is OK replace AP1 control module of outdoor unit PU Error Code PU Charging Malfunction of Capacitor Status During cooling mode compressor will stop indoor fan will run Heating mode all units stop Improper input voltage Poor connection on reactor Reactor damaged Bad AP1 control board Poo Start Troubleshooting after unit is powered on for 1 minute Use a DC voltmeter to measure the voltage across the terminals of the electrolytic capacitor Yes Replace AP1 circuit Voltage higher than 200v board Is the input AC voltage Correct input AC Yes is the malfunction between 201VAC amp 250VAC power supply to unit No Shut down power and wait 20 minutes or connect a DC voltmeter to the electrolytic capacitor until the voltage is less than 20 v Check the connections of the reactor L in wiring diagram Connect wiring Restart the unit reactor wiring normal according to the wring is the malfunction diagram corrected Yes Replace AP1 circuit board End Troubleshooting 95 Before disassembly of indoor unit 2 Remove filter Step 1 Open the panel Step 2 Loosen the clasps on the filter push the filter inward then pull upward removing the filter
61. emp F 18 24K Cooling Condition Indoor DB 68 F Indoor air flow Super High M Capacity ratio Pipe length 24 6ft 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp F Heating 120 e Capacity Variation Ratio According to Temperature g 5 e a O Outdoor temp F Product Introduction Operation Data Cooling u Heat Exchanger Compressor Temperature Condition F Pressure ec Model PSD Pipe Temperature Speed Mode Outdoor T1 F T2 F 80 6 66 6 95 75 2 18 24 131 160 167 181 4 to 46 4 51 8 to Heating E Heat Exchanger Compressor Model PSD Pipe Temperature OO Fan Speed nen mem 9 70 60 47 43 167 1814 33 8 37 4 to Notes 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U Bend 2 Length of connecting tubing 24 6 ft 3 P Pressure PSI T1 Inlet and Outlet Temperature for Evaporator T2 Inlet and Outlet Temperature for Condenser 15 Product Introduction Noise Criteria Curve Tables 09K Cooling Heating Indoor side noise when blowing Outdoor side noise Outdoor side noise 50 60 40 lt a 50 Right side 3 30 Front z 40 20 10 30 Low Middle High 20 An 60 100 Indoor fan motor rotating speed Compressor frequency Hz Compressor frequency Hz 12K Cooling Heating indoor side noi
62. ent gt 28 F c Band will turn off if the outdoor ambient temperature sensor has a malfunction 2 Control of Condenser Electric Heating Band a Condenser Band will be on if the Outdoor Ambient lt 34 F b During defrost operation the heater band will operate 3 minutes after the compressor starts operating When the compressor has operated for 3 minutes and the outdoor ambient gt 37 F the band will be de energized c Electric band will be de energized when the outdoor ambient gt 37 F d When 34 F lt outdoor Ambient lt 37 the electric heater band will keep it s previous status If the outdoor sensor has a malfunction the Electric Heating Band will be de energized It will have a 2 minute delay be fore it can be started again 41 Remote Control Operation Remote Buttons 42 Note This remote control is used in other models and some features may or may not be available Consult the owners manual for specific features for your model There should be no obstructions between the remote con trol and the indoor unit for proper operation Keep the remote from direct sunlight or any source that generates heat keep clean and dry Change batteries frequently Note For detailed explanation of the functions refer to the Other Controls section of this manual for your model Button Identification The function and operation of each button will be ex plained later in this manual under Product Functio
63. f indoor evaporator temp sensor and main board terminal 2 Com ponents on the mainboard fall 3 Indoor evaporator temp sensor damaged 4 Mainboard damaged Outdoor temperature sensor hasn t been con nected well or is damaged Please check it by referring to the resistance table for temperature sensor Outdoor temperature sensor hasn t been con nected well or is damaged Please check it by referring to the resistance table for temperature sensor 1 Outdoor temperature sensor hasn t been con nected well or is damaged Please check it by referring to the resistance table for temperature sensor 2 The head of temperature sensor hasn t been inserted into the copper tube 5 6 7 18 E Malfunction Name Limit decrease frequency due to overload Decrease fre quency due to overcurrent Decrease frequency due to high air dis charge Voltage for DC bus bar is too high Malfunction of complete units current detec tion Indoor Unit Display Method Cool Indicator Display Off 3S and blink 6 times Off 3S and blink 8 times Off 3S and blink 9 times Off 3S and blink 11 times Off 3S and blink 13 times Outdoor Unit Display Method repeated every 5 seconds L Off B Illuminated Blink Status All loads operate normally while operation frequency for compressor is decreased All loads operate normally while operation frequency for compressor
64. for the system 22 Low pressure protection for the system reserved 23 Lock of compressor for com mercial air conditioner 24 Reset of drive module for com mercial air conditioner 25 Overspeed for commercial air conditioner Malfunction of 27 AC contactor protection for commercial air conditioner 3 times __ J l Temperature drift protection for commercial air conditioner 29 Sensor connection protection for commercial air conditioner i gt Blinks for Communication malfunction for drive board for commercial air conditioner Oo 16 times Blinks for Blinks for 3 times 8 times Blinks for 16 times Blinks for 15 times Blinks Blinks once twice 31 Oo Thermal overload protection for compressor Malfunction LP of Hardware Non match between indoor and outdoor units 32 33 tri tri Malfunction of memory chip W Wrong connection of commu nication wire or malfunction of expansion valve free match Blinks for 13 times en Ui em lt Malfunction of current detection for the complete unit 3 Q2 ON Wrong connection of communi cation wire or status of detecting malfunction of expansion valve free match 37 Mode conflict 8 9 Fo Blinks Blinks once once O Refrigerant reclaiming mode Oo Oil return under defrosting or heating 40 Nominal cooling or heating ca
65. from 9000 btuh to 24 000 btuh providing heating and cooling All comfort settings are controlled by a remote control The Terra unit has many features to enhance comfort and efficiency The operation of these features will be explained later in this service manual Superior inverter technology is used to control capac ity while maintaining maximum efficiency The Terra systems are equipped with G10 inverter technology providing precise control over the compressor frequen cy based on operating pressures and temperatures Should an abnormal condition occur the software will adjust the compressor frequency or shut down the system indicating the appropriate fault The indoor unit contains a digital display which will indicate the current fault The evaporator swing mo tors fan motors and circuit board are also components of the indoor unit The indoor units have a bypass switch to bypass the remote control if lost or batteries Circuit Board with fail This will be explained later in this service manual G10 Technology The systems require R410A and pre charged for 25 of lineset Please refer to your installation manual for additional charge for linesets longer than 25 The systems use a PVE oil and should require no ad ditional oil All Terra units utilize an Oil Return Mode which will return oil to the compressor should the need arise Product Introduction Outdoor Unit s Indoor Unit
66. g operation protection is the same as the cooling only mode B In heating operation protection is the same as the heating only mode C When the indoor ambient temperature changes the operation mode will be automatically selected Once started the compressor will have a 6 minute runtime 20 Product Introduction Basic Functions 6 Common Protection Functions and Fault Displays Coil High Temperature Protection Ttube measured temperature of outdoor coil in cooling mode measured temperature of indoor coil in heating mode 1 Outdoor Coil High Temperature Protection In cooling mode the software will monitor the outdoor coil for an abnor mal high temperature condition A If Ttube lt 126 F the unit will return to its original operation state B If Ttube gt 131 F frequency rise is not allowed C If Ttube gt 136 F the compressor will run at reduced frequency D If Ttube gt 144 F the compressor will stop and the indoor fan will operate at preset speed 2 Indoor Coil Temperature Protection In heating mode the software will monitor the indoor coil for an abnormal high temperature condition A If Ttube lt 122 F the unit will return to its original operation state B If Ttube gt 127 F frequency rise is not allowed C If Ttube gt 133 F the compressor will run at reduced frequency D If Ttube gt 140 F the compressor will stop and the indoor fan will blow residual heat and then stop 3 Comp
67. he 1st hour of runtime then press the Turbo button to save the data The remote controller will display 2 00 Once again use the and second hour of run time Press the Turbo button to save the data buttons to select the desired room setpoint for the Repeat this procedure for the remaining hours total of 8 After all 8 settings have been saved the remote controller will automatically revert back to the standard time and temperature display At anytime you may press the ON OFF TIMER SLEEP or TURBO buttons to cancel the Sleep Mode 3 7 Indoor Fan Control The indoor fan can be set to Ultra High High Med Low and Auto with the remote controller In auto mode the following speeds will be set Cooling Mode a Tindoorambient gt Tsetpoint 2 F fan will run on high speed b Tsetpoint 2 F lt Tindoorambient lt T setpoint 2 F fan will run on medium speed C Tindoorambient lt Tsetpoint 2 F fan will run on low speed T preset 2 F T preset T preset AE Fan Speed 25 Product Introduction Other Controls Fan Only Auto Mode a Tindoorambient gt Tsetpoint 4 F fan will run on high speed b Tsetpoint 2 F lt Tindoorambient lt Tsetpoint 4 F fan will run on medium speed C Tindoorambient lt 2 F of Tsetpoint fan will run on low speed Tpreset 2 Fan Speed Dry Mode The indoor fan will be set to l
68. heating has operated continuously for 45 minutes or accumulated for 90 minutes the unit will enter defrost mode in 3 minutes after meeting any of the conditions below A Outdoor ambient gt 41 F and outdoor coil lt 28 F 28 F lt Toutdoorambient 41 F Toutdoortube lt 21 F C 23 lt Toutdooram bient lt 28 F lt Tsidoort be lt 18 P D 14 F lt Toutdoorambient lt 23 F Toutdoortube T compensation lt Toutdoorambient 37 F 3 During defrost if run time for the compressor does not reach 3 minutes the defrost cycle will not start for the next 2 hours At that time the compressor stops operation and 30 seconds later the outdoor fan will stop 30 seconds after this the 4 way reversing valve will de energized Following another 30 second delay the compressor will increase its speed for defrosting Defrosting will last for 450 seconds or until the Toutdoortube gt 50 F at this temperature the compressor will decrease its speed for 30 seconds then will stop In another 30 seconds the 4 way valve will energize the 60 seconds later the compressor and outdoor fan will start The compressor speed for defrosting will be 85hz During Defrost mode a H1 will be displayed on the indoor front panel display indicating the user selected mode has been overridden and the system is performing an outdoor coil defrost operation System Protection Cold Air Prevention Heating mode with compressor running
69. his terminal should be less than lohm 2 Refer to the malfunction analy sis discharge protection overload Refer to the malfunction analysis IPM protec tion loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the malfunction analysis IPM protec tion loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the malfunction analysis Refer to the malfunction analysis IPM protec tion loss of synchronism protection and overcurrent protection of phase current for compressor Indoor Unit Display Method Outdoor Unit Display Method repeated every 5 seconds L Off B Illuminated Blink Malfunction Possible Causes Name A C Status Indoor Display Heating Indicator t gt N t gt Oo Oo Oo NO NO Oo N Decrease fre quency due to high tempera ture resistant during heating operation Failure startup Malfunction of phase current detection circuit for compressor EEPROM mal function Charging malfunction of capacitor Malfunction of module tem perature sensor circuit Module high temperature protection Off 3s and blink 10 times Off 3s and blink 11 times Off 3s and blink 13 times Off 3s and blink 15 times Off 3s and blink 17 times Off 3s and blink 18 times Off 3s and blink 19 times All loads operate normally while operation f
70. htly inward then lift straight up on terminal The wires red to yellow yellow to blue amp red to blue should have readings from 2 4 ohms There should be no reading from any wire to chassis ground If the readings between the windings differ greatly the windings are bad If there is a reading from any wire to the chassis there is leakage in the windings Outdoor Motor Winding Resistance Check The outdoor motor is an ECM motor so resistance checks are more difficult to read Polarity of your meter will make a difference in the readings It is advisable if in doubt about the fan motor remove the plug of the existing motor with the power disconnected then plug a new motor into the circuit board before mounting the motor Isolate and secure the new motor then safely turn the unit on and check operation If the motor start correctly change the motor otherwise the circuit board should be replaced 63 Troubleshooting Outdoor Components A i LA Base Pan Heater Resistance Check Unplug the wire connector from the circuit board The resistance should read approximately 740 ohms There should be no reading from either wire to ground If readings vary from these measurements replace the heater WU y R 5 K Compressor Crankcase Heater Resistance Check Unplug the wire connector from the circuit board The resistance should read approximately 2 15K ohms There
71. ing cooling mode compressor will stop 1 Refer to E8 troubleshooting procedures indoor fan will run Heating mode all units stop IPM Protection Status During cooling mode compressor will stop 1 Refer to H7 troubleshooting procedures indoor fan will run Heating mode all units stop 1 Bad connection of DC motor feedback terminal Bad connection of DC motor control end Check Fan Capacitor if in Use Fan motor is stalling check for obstructions Motor malfunction Malfunction of main board Indoor Fan Motor will not run Status Indoor fan Outdoor fan amp compressor will stop Louver stops at present location oor 90 Error Code Diagnostics H7 Error Code continued on next page H7 Desynchronizing of compressor 1 Status During cooling mode compressor will stop indoor fan will run Heating mode all units stop Check the resistance of the compressor terminals and connections to the compressor Check for overcharge of refrigerant 3 Check for correct voltage Troubleshooting Procedure for Synchronizing Fault after Unit is Started Start Troubleshooting after unit is powered off for 3 minutes Are the compressor terminal connected properly Replace Control Board AP1 Compressor Terminals Correct wiring Remove Malfunction problem Replace Compressor End Troubleshooting 91 H7 Error Code continued H7 Desynchronizing of compressor 1 S
72. lding the evapora tor sub assembly slightly reposition the tubing to Refrigerant piping remove the evaporator Evaporator sub assembly uL AL X dm E Fi ia zal i 1 oat La P 109 9 Remove indoor fan blade and motor Step 1 Remove the screws holding the up down swing motor to remove motor Step 2 Remove the screws holding the left right swing motor to remove motor 110 Step 3 Remove the screws holding the motor clamp Step 4 Remove the fan blade and motor Step 5 Remove the shaft bearing rubber cushion Step 6 Remove the screws holding the fan blade and motor then remove the motor Rubber cushion base Moto clamp 111 Before disassembly of indoor unit 2 Remove filter Step 1 Open the panel ee ft eX AI K I Step 2 Loosen the clasps on the filter push the filter inward then pull upward removing the filter 112 Step 1 Along the groove holding thje front panel slide the rotor shaft outward to remove the front panel Step 2 Remove the panel 4 Remove electrical box cover Step 1 Remove the clamps holding the swing fan connecting rod to remove the Step 2 Remove the clamps holding the swing fan blade to remove the blade 115 Axial b shing Step 1 Remove the axial bushing of horizontal louver to remove the
73. n occurred If the power interruption occurs during a timed mode the time left will not be remembered and will start to recount from the beginning There will be a 3 minute compressor delay before resuming 14 Outdoor Compressor and Condenser Heating Band Control Under normal conditions the control logic of the Electric Heating Bands will be as follows 1 Control of Compressor Electric Heating Band a Conditions for startup The compressor is off and outdoor ambient lt 23 F b Conditions for turning off Compressor operating Compressor off and outdoor ambient gt 28 F c Band will turn off if the outdoor ambient temperature sensor has a malfunction 2 Control of Condenser Electric Heating Band a Condenser Band will be on if the Outdoor Ambient lt 34 F b During defrost operation the heater band will operate 3 minutes after the compressor starts operating When the compressor has operated for 3 minutes and the outdoor ambient gt 38 F the band will be de energized c Electric band will be de energized when the outdoor ambient gt 38 F d When 34 F lt outdoor Ambient lt 38 F the electric heater band will keep it s previous status If the outdoor sensor has a malfunction the Electric Heating Band will be de energized It will have a 2 minute delay be fore it can be started again Product Introduction The compressor should stay off for at least 3 minutes before starting the unit The compressor circuit has a 3 mi
74. nk 5 times During cooling and drying operation indoor unit op erates while other loads will stop during heating opera tion the complete unit will stop operation During cooling and drying operation indoor unit op erates while other loads will stop during heating opera tion the complete unit will stop operation AC stops operation once reaches the setting tem perature Cooling drying internal fan motor stops operation while other loads stop operation heating AC stop operation During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will sop after operating for about 3 mins while indoor fan will operate During heating operation the complete unit will stop after operating for about 3 mins 1 Loosening or bad contact of indoor ambient temp sensor and main board terminal 2 Com ponents in mainboard fell down leads short circuit 3 Indoor ambient temp sensor damaged check with sensor resistance value chart 4 Mainboard damaged Refer to the malfunction analysis IPM protec tion loss of synchronism protection and overcurrent protection of phase current for compressor 1 Loosening or bad con tact o
75. ns On Off button Fan Button Mode Button Lower Temperature Setting Raise Temperature Setting Turbo Fan Speed Button Horizontal Swing Louver Vertical Swing Louver Clock Button press to set time Timer Off press to set auto off timer Timer On press to set auto on timer Change Display temperature reading from Set point Indoor or Outdoor Temperature reading 13 Health amp Static De Dusting Button 14 Feel Button 15 Remote Display light 16 X fan button 17 Quiet mode available in Heat or Cool mode only 18 Sleep Button Seat CUM N Press 9 amp 10 for Energy Saving Mode Press amp to lock control Remote Control Operation Display Icons or NC es NON e N O O NO G ON KB Q O Feel Auto Mode Cool Mode Dry Mode Fan Mode Heat Mode Sleep Mode Quiet Mode X Fan Mode Display Temperature Mode Timer On Display Light Horizontal Louvers Vertical Louvers Lock Control Fan Setting Energy Saving Mode Turbo Mode Health Mode Static Dedusting Timer Setting xe AR FAN AU a SS N AG 9 mF 3 LIN es etc COLO HOUR VULT ONOFF 43 Refrigerant Lines Preparation amp Connection The refrigerant lines should be kept sealed until ready to be connected Follow the following steps to insure a quality leak proof installation Step 1
76. nute delay if the compressor is de energized during a run cycle If the compressor starts from a de energized cycle there will be no time delay The compressor has a minimum run time of 6 minutes regardless of room temperature 1 Cooling Mode Cooling Process When the indoor ambient rises 5 F above the preset temperature the unit will start the cooling cycle The outdoor fan and compressor will start The indoor fan will run continuously at the selected speed The outdoor unit will monitor the appro priate temperatures and pressure and adjust the compressor speed and the EEV as required If the indoor ambient is gt 5 F then the preset temperature the compressor speed will increase 5 F the compressor will begin reducing its speed The G10 technology will control compressor speed based on indoor load and compressor amperage When the indoor tempera ture is satisfied the compressor will stop then 30 seconds later the outdoor fan will stop Tpreset b N Start cooling ON N Previous running status Tpreset 5 4 F s Z N gt 6 min SE gt 3 min uod d Stop cooling s WIL Outdoor fan A Indoor fan Evaporator Freeze Protection he software will monitor the indoor evaporator coil for freezing In Cooling or Dry mode if the Indoor tubes are lt 32 F for 3 consecutive minutes the compressor will stop The compres sor will start when the tubes are above the calculated temperature limit If the indoor
77. ode in canceled 2 Heat Mode a After 1 hour of operation the temperature setting will decrease 2 F b After 2 hours of operation the temperature setting will decrease 4 F and stay at this setting until the sleep mode in canceled 87 89 F Tpreset 1 8 F PA 23 Product Introduction Other Controls Sleep Mode 2 Adaptive Cycle 1 Cool or Dry Mode Initial setpoint between 61 F 74 F a After 1 hour of operation the temperature setting will raise 2 F every hour b After 3 hours of operation the temperature setting will raise 6 F above initial setpoint and stay at this setting c After 7 hours of operation the setpoint will move to 4 F above the initial setpoint and remain until the sleep mode in canceled Cool or Dry Mode Initial setpoint between 75 F 81 F a After 1 hour of operation the temperature setting will raise 2 F every hour b After 3 hours of operation the temperature setting will raise 4 F above initial setpoint and stay at this setting c After 7 hours of operation the setpoint will move to 2 F above the initial setpoint and remain until the sleep mode in canceled Cool or Dry Mode Initial setpoint between 82 F 85 F a After 1 hour of operation the temperature setting will raise 2 F every hour b After 3 hours of operation the temperature setting will raise 24 F above initial setpoint and stay at this setting c After 7 hours of operation the setpoint will move
78. oltages Cooling operation compressor stops while 2 Mis matched indoor and outdoor units indoor fans runs Heating operation complete Improper wiring between indoor and outdoor unit stops units Start Troubleshooting Check for proper wiring of No IG MG nu Operate indoor and outdoor units with See unit wiring diagram Yes Are all connections Check factory wiring of indoor and correct outdoor units Repair wiring fault is detected with control O board voltage Yes Is wiring damaged Yes Is system No Communication circuit Yes operating properly problem Yes No Replace indoor board _ No End Troubleshooting 82 No Correct connections Yes No Did this correct the problem Replace outdoor main board AP 11 Yes Is system operating properly Yes Error Code Diagnostics U 4 E8 Error Code E8 Overload System Protection Problem Status 1 Incorrect refrigerant charge Cooling operation compressor stops while 2 Metering device problem indoor fans runs Heating operation complete 3 Compressor failure unit stops Start Troubleshooting after unit is powered off for 20 minutes Is the overload protector positioned and wired correctly Under normal ambient conditions is the resistance of the overload less than 1000 ohms Replace Are the wires to the expansion Overload valve connected per the wiring diagram Correct wiring problem Metering Device Resist
79. ow speed Heating Mode a Tindoorambient lt Tsetpoint 1 F fan will run on high speed b Tsetpoint 1 F lt Tindoorambient lt Tsetpoint 5 F fan will run on medium speed c Tindoorambient gt Tsetpoint 2 F fan will run on low speed Tpreset 5 F T preset T preset 1 F Fan Speed 26 Product Introduction Other Controls Other Controls 8 Buzzer Control The buzzer control will send a Tone when the air conditioner is powered up or received information sent by the remote control You will also hear the tone when there is a button input or if the indoor unit doesnt receive a signal from the re mote controller in the Heat Mode 9 Auto Button Manual Override Located on indoor unit In the event the controller is missed placed or the batteries are defective this will ove ride the remote controller If the controller is on pressing this button will stop it if it is off pressing the button will turn the controller on When turning the controller on the swing and light will be on and the unit will run based on the remote controller setting 10 Swing Control Vertical Swing During power up the vertical swing motor will move the horizontal louver counter clockwise and close the air deflector In Heating and Auto Heat mode the air deflector will move to position D if no swing mode is set In Cooling mode the louver will move to L1 All other positions can be set by pressing th
80. porator temp sensor F2 Blinks has open or short circuit twice Liquid valve temp sensor has b5 Blinks for open or short circuit 19 times 7 Gas valve temp sensor has open b7 Blinks for or short circuit 22 times Module temp sensor has open or 7 Blinks for short circuit 18 times Outdoor ambient temp sensor F3 Blinks for Blinks for has open or short circuit 3 times 6 times Outdoor inlet pipe temp sensor i s A5 of condenser has open or circuit 9 Hardware for commercial use Outdoor middle pipe temp F4 Blinks for Blinks for sensor of condenser has open or 4 times 5 times short circuit Outdoor outlet pipe of condens A7 er has open or short circuit for commercial use Outdoor discharge temp sensor F5 Blinks for Blinks for has open or short circuit 5 times 7 times Communication malfunction of E6 Blinks for indoor and outdoor units 6 times Malfunction of circuit for detect U1 Blinks for ing phase current of compressor 12 times Demagnetization protection of HE Blinks for compressor 14 times Malfunction of voltage drop of U3 Blinks for 20 times DC bus bar Module temperature protection Blinks for Blinks for 19 times 10 times Lack of refrigerant or block Blinks for protection for the system not 10 times applicable to residential air con ditioner PU Blinks for 17 times 67 10 13 14 15 16 17 18 9 1 Malfunction of charging for capacitor 20 21 High pressure protection
81. r ambient temperature is greater than the preset temperature the unit will enter the cooling and drying mode in which case the compressor will operate and the indoor fan will run at a low speed When the indoor ambient temperature is at or below the preset temperature the unit will operate in it previous running state When the indoor ambient drops to more than 2 F below the preset temperature the compressor will stop running then 30 seconds later the outdoor fan will stop the indoor fan will run at low speed Tpreset Tpreset 2 F Compressor ZZ Liha Sole Indoor me 17 Product Introduction Basic Functions 3 Heating Mode Heating Process When the indoor ambient drops 2 F below the preset temperature the unit will start the heating cycle The outdoor fan compressor and 4 way valve will operate The indoor fan will operate in the Cold Air Prevention mode in which the indoor fan will have a 2 minute delay after the call for heating The indoor evaporator coil temperature must reach 104 F before the indoor fan will start this will prevent cold air from discharging from the indoor coil When the indoor evapo rator coil temperature is gt 104 F the indoor fan will operate at low speed for 1 minute With 1 minute of operation or 2 minutes of no fan operation and the indoor evaporator coil temperature is gt 108 E the indoor fan will operate at its preset condition If the in
82. re sensor Sensor wire leads not properly connected Faulty sensor check readings with charts Main circuit board defective Loose or bad contact of indoor temperature sensor Sensor wire leads not properly connected Faulty sensor check readings with charts Main circuit board defective Loose or bad contact of outdoor temperature sensor Sensor wire leads not properly connected Faulty sensor check readings with charts Main circuit board defective Loose or bad contact of outdoor temperature sensor Sensor wire leads not properly connected Faulty sensor check readings with charts Main circuit board defective Loose or bad contact of outdoor temperature sensor head of sensor should be inserted into the copper tubing Sensor wire leads not properly connected Faulty sensor check readings with charts Main circuit board defective Temperature Sensor Troubleshooting Start Temperature Sensor Troubleshooting Is the sensor wire plug loose from Yes the AP2 board Insert the plug correctly Sensor Connections No Is problem corrected Is there a short circuit in the wire or Yes sensor Replace sensor or correct wire problem Yes No Is problem corrected Do the temperature sensor readings No compare to the resistance table in Replace Vin dd the Appendix appropriate part number Yes Is problem corrected Replace the controller with the same part number End Troubleshooting
83. requency for compressor is decreased During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to malfunction analysis overload high temperature resistant Refer to malfunction analysis Replace outdoor control panel AP1 Replace outdoor control panel AP1 Refer to the part three charging malfunction analysis of capacitor Replace outdoor control panel AP1 After the complete unit is de energized for 20 mins check whether the ther mal grease on the IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightl
84. ressor Discharge Temperature Protection The software will monitor the compressor discharge for an abnormal high temperature condition A If Ttube gt 208 E frequency rise is not allowed B If Ttube gt 217 F the compressor will run at reduced frequency C If Ttube gt 230 E the compressor will stop D If Ttube lt 194 F and the compressor has been off for at least 3 minutes the compressor will resume operation Communication Fault If the unit fails to receive correct signals for a 3 minutes communication fault will occur and the whole system will stop and a E6 will be displayed on the front panel of the indoor unit Module Protection Under module protection mode the compressor will stop When the compressor remains off for 3 minutes the compres sor will resume operation If the module protection occurs six time in succession the compressor will remain off This is a thermal protection for the indoor module AP1 Compressor Protection The compressor contains a thermal overload switch tom protect it from abnormal conditions If temperature sensed by the overload sensor is over 239 E the compressor will stop and the outdoor fan will stop after 30 seconds When the temperature is below 203 F the overload protection will reset to normal state DC Buss Voltage Protection The software will monitor the DC bus voltage If voltage on the DC Bus is below 150 or over 420v the compressor will stop and the outdoor fan will s
85. rigerant has been weighed in close the low side manifold valve 901 0 charging Scala Close the tank valve then carefully remove the hose and adapter Replace the suction port cap on the out door unit suction valve If this is a new installation follow proper procedure in opening vales stallion Proper installation site is vital for correct and efficient operation of the unit Avoid the following sites where Strong heat sources vapors flammable gas or volatile liquids are emitted High frequency electro magnetic waves are generated by radio equipment welders and medical equipment The air is contaminated with industrial vapors and oils The air contains sulfurous gas such as in hot spring zones Poor air quality exists CETIS The air inlet and outlet should be away from any obstruc tions Ensure the air will easily circulate through the entire E room 1 Select a site where the condensate can be easily routed or consider a condensate removal pump 2 Select a place where it is out of reach of children 3 Select a place that has adequate mounting structure strong enough to withstand the full weight and vibra tion of the unit 4 sure to leave enough space to allow access for routine maintenance Refer to unit installation specifi cations for clearances Select a place more than 3 feet away from any TV or other electrical appliances 1 Select a suitable site where proper drainage
86. ror Code High Discharge Temperature Protection of Compressor Status Cooling operation compressor stops while indoor fans runs Heating operation complete unit stops Faulty outdoor temperature sensor Refrigerant leak Poor airflow of outdoor unit Follow Troubleshooting procedure pu o Start Troubleshooting Yes Normal protection outdoor ls outdoor temperature above 127 F ambient is higher than normal parameters Remove power then restart after 20 minutes Are indoor and outdoor coils clean No Ci Coil and free from obstructions Siem Yes Check fan for obstruction Are indoor and outdoor fans NO Check resistance of fan operating properly leads and voltage to motor Check fan connections Outdoor Fan Connection Yes Replace AP1 control board Replace fan End Troubleshooting 80 E5 E6 Error Codes Fault amp Status Overcurrent Protection Status During cooling amp dehumidifying indoor unit operates while other functions stop During heating operation complete unit stops Communication Failure Status indoor fans runs Heating operation complete unit stops pe po Cooling operation compressor stops while 1 Possible Causes Supply voltage is unstable Supply voltage is too low Coils are dirty Improper refrigerant charge Refer to troubleshooting procedure next page 81 E6 Error Code E6 Communication Failure Status 1 Improper v
87. screws holding the panel Remove the screws con necting the panel grille and panel then loosen clamp lm Grille UI 2 Remove top cover 5 Remove top cover Remove the screws connecting the top panel left and right side Remove the screws holding the valve cover panel i T m VM il BIS TH i mu am iu lli n d J l Valve Cover 3 Remove handle 6 Remove handle Remove the screws connecting the handle Remove the screws connecting the left side panel and condenser support board WUWQ N AM Il NA Te ATE I nu i lp QIU HIHI Pa LRT Left side plate 119 7 Remove fan blade 10 Remove electric reactor Remove the bot holding the fan blade on motor shaft then re Remove the screws holding the reactor to remove move gasket and washer WEN ADAE a TS F Ten uen X 8 Remove right side panel 11 Remove fan motor and support Remove the screws holding the right side panel and valve support Remove the 4 screws holding the motor remove wire connector then remove the two screws holding the motor support bracket Support Fan Motor 9 Remove electrical box assembly 12 Remove mid isolation board Remove the screws holding the electrical box assembly and Remove the screws conne
88. se when blowing Hunor dda nala Outdoor side noise 50 60 60 40 lt 5 8 50 Rigt 50 ide SHE 30 ji Front 8 Front 8 z Z 40 40 20 a ar 20 40 60 80 100 Low Middle High 20 40 60 80 100 i H C fr cwH Indoor fan motor rotating speed Compressor frequency Hz ompre ssor frequency Hz 18 24K 60 50 58 56 lt 40 0 4 2 oi i 30 50 wot tt LLL 20 46 20 30 40 50 60 70 80 90 100 SL L ML M H SH Compressor frequency Hz Indoor fan motor rating speed 16 Product Introduction The compressor should stay off for at least 3 minutes before starting the unit The compressor circuit has a 3 minute delay if the compressor is de energized during a run cycle If the compressor starts from a de energized cycle there will be no time delay compressor has a minimum runtime of 6 minutes regardless of room temperature 1 Cooling Mode Cooling Process When the indoor ambient rises 2 F above the preset temperature the unit will start the cooling cycle The outdoor fan and compressor will start The indoor fan will run continuously at the selected speed The outdoor unit will monitor the appropriate temperatures and pressure and adjust the compressor speed and the EEV as required If the indoor ambient is gt 2 F then the preset temperature the compressor will increase the frequency lt 2 F the compressor will begin reducing the frequency The G10 technology will
89. solder the pipes from the valve assembly 4 way valve f Pa n Was ig 24 000 btuh Warning Wait 10 minutes after power is disconnected before starting disassembly 12 Remove gas and liquid valves Remove the screws holding the valve sub assembly Remove any refrigerant in system Wrap valve to prevent damage from heat Unsolder the pipes from the valve then remove valves r cl n r 5 P Gas valve nick rv um uiu ui Liquid valve 13 Remove compressor Remove bolts from feet of compressor then remove compressor 14 Remove isolation sheet Remove the screws holding the isolation sheet from the condens er and chassis then remove sheet Isolation sheet IUE EAR RC ER R RR CR ER E R m RU DT E 127 15 Remove condenser support plate Remove the screws holding support plate then remove plate Support Plate aa A a E ia r F Ue SS 16 Remove chassis and condenser Pull condenser upward to remove Chassis 128 Er LENT C N E AD HF Se ws cael We xl 11 z u Appendix 1 Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 15K Temp Temp Temp Temp Temp Temp F C F C F 19 22 fsi 33 914 1063 85 1850 1 594 a8 04 fise fsa 932
90. sure all power is off to the unit Remove the plug connecting the 4 way vale to the circuit board Check the resistance with an ohmmeter The reading should indicate 1 8k Q If the reading is infinite replace the solenoid coil 61 Troubleshooting Outdoor Components Temperature Sensor Using a glass of ice water place the sensor into the glass with a digital thermometer Wait a few minutes for the reading to stabilize Compare the readings to the sensor tables in Appendix A it the reading are not compara ble replace the sensor When replacing the sensor be sure to fasten the sensor securely if it is attached to a tube Temp Temp C F O 320 02 152 1256 4986 fioa 2192 0898 153 1274 j4s2 fios 2210 08735 2 356 4431 54 1292 4625 fios 2228 0848 3 sza 214 55 1310 4456 107 2246 0825 A 392 14009 s 1328 4294 fios 2264 0802 5 Jao 3815 57 1346 4139 6 48 3632 58 1364 399 we 0 779 7__ 3458 59 1382 fasas r 2318 0737 _ 464 3294 feo 1400 378 9 482 3138 fei i418 3579 62 Troubleshooting Outdoor Components Compressor Windings Red Yellow amp Blue Wires e y d mI Compressor Winding Resistance Check Unplug the wire spade connectors from the circuit board The spade terminals have a small clip to press for removal Press this clip slig
91. tatus During cooling mode compressor will stop indoor fan will run Heating mode all units stop Check the resistance of the compressor terminals and connections to the compressor Check for overcharge of refrigerant 3 Check for correct voltage Troubleshooting Procedure for Synchronizing Fault During Operation Start Troubleshooting Is the outdoor fan working properly Are wire connections proper Wire per diagram Yes Yes Are there any airflow obstructions Replace Fan Fan Operating Yes Capacitor C1 Properly Yes No Replace Outdoor Fan Yes Improve airflow Moor No Correct voltage Is input voltage normal problem Yes Charge per Is unit overcharged installation manual Replace Board Malfunction corrected Replace Compressor Yes End Troubleshooting 92 U1 U3 U5 U7 U9 Error Codes Fault amp Status Possible Causes Compressor Phase Detection Error Status During cooling mode compressor will stop 1 Replace outdoor control panel 1 indoor fan will run Heating mode all units stop DC Bus Bar Voltage Unstable Status During cooling mode compressor will stop 1 Supply voltage is unstable indoor fan will run Heating mode all units stop Circuit Board Malfunction on Outdoor Unit Status During cooling mode compressor will stop indoor fan will run Heating mode all units Replace outdoor control panel AP1 stop Reversing Valve
92. ting procedure below heating operation complete unit stops Start Troubleshooting Check wiring of the reactor L and PFC capacitor Outdoor Unit Are wires connected proper Correct according Is problem Yes with no short circuits to circuit diagram corrected No Remove the PFC Capacitor and test resistance of the two terminals Is the resistance Replace the Is problem about zero capacitor corrected Disconnect the reactor wires amp measure the resistance between the two terminals of the reactor Is the reactor Is problem damaged or Replace the reacto esi shorted 1 1 control panel End Troubleshooting 88 H0 H3 Error Codes Fault amp Status Possible Causes Decrease frequency due to overload Status All systems operate normal with decrease in capacity 1 Refer to E8 troubleshooting procedures Defrosting Status Defrosting will occur in heating mode Normal function Compressor will operate while indoor fan stops Static Dedusting Protection Protection for Compressor 1 Wiring terminal OVC COMP is loose In During cooling mode compressor will stop indoor fan will run Heating mode all units stop normal state the resistance should be less than 1 ohm 2 Refer to E4 troubleshooting procedures N 89 H4 H6 Error Codes Fault amp Status Possible Causes System is Abnormal Status Dur
93. tion the temperature setting will decrease 2 F and maintain this setpoint until Sleep Mode is canceled Heat Mode Initial setpoint between 82 F 86 F a After 1 hour of operation the temperature setting will decrease 2 F every hour b After 3 hours the setpoint will be fixed at 6 F below the initial setpoint and remain at this setpoint until Sleep Mode is canceled 37 Product Introduction Other Controls Sleep Mode 3 Customized Cycle You will be required to enter 8 room setpoint values for 8 hours of runtime The last room setpoint value will be main tained until Sleep Mode is canceled In Sleep Mode 3 press the Turbo button to enter setup mode The remote controller will display 1 00 in the time lo cation Use the and buttons to select the desired room setpoint for the 1st hour of runtime then press the Turbo button to save the data The remote controller will display 2 00 Once again use the and second hour of run time Press the Turbo button to save the data buttons to select the desired room setpoint for the Repeat this procedure for the remaining hours total of 8 After all 8 settings have been saved the remote controller will automatically revert back to the standard time and temperature display At anytime you may press the ON OFF TIMER SLEEP or TURBO buttons to cancel the Sleep Mode 3 7 Indoor Fan Control
94. top in 30 seconds When the voltage on the DC bus returns to normal and the compressor has been off for 3 minutes the compressor will resume its operation 21 Product Introduction Other Controls 1 On Off The on off state will change with each button press 2 Mode Selection Press the Mode button to change from Auto Cool Dry Fan or Hesat Pump 3 Temperature Setting Each time you press the TEMP or TEMP button the temperature setting will change by 1 F The temperature range is 60 8 F 86 F In Auto Mode this button will not function 4 Time Switch The unit will stop and start by setting the Timer on the remote controller 5 Energy Savings Mode Press Temp amp Clock simultaneously display will indicate SE In heating mode refer to the Cold Air Prevention explained in the 3 Heating Mode process In cooling mode the fan speed will adjust according to the fan speed curve below 88 F T preset 3 F T preset 1 F Fan Speed Turbo High 22 Product Introduction Other Controls 6 Sleep Control The Terra has 3 Sleep mode settings to improve comfort and energy savings Auto Mode and Fan Mode do not utilize the Sleep Mode Settings Sleep Mode 1 Gradual Cycle 1 Cool or Dry Mode a After 1 hour of operation the temperature setting will raise 2 F b After 2 hours of operation the temperature setting will increase 4 F and stay at this setting until the sleep m
95. ualified licensed electrician according to local and national codes as well mas the instructions provided in the manual e Before installing modifying or servicing the system the main electrical disconnect must be off There may be more than one disconnect switch Lock out and tag switch with a suitable warning label Never supply power to the unit unless all wir ing and tubing are completed reconnected and checked This system adopts highly dangerous electrical voltage Incorrect connections or inadequate grounding can cause personal injury or death Refer to your local and national codes for proper grounding Have the unit properly grounded with all connec tions tight Loose connections can cause overheat ing and a possible fire hazard Never install the unit in a place where a combustible gas might leak or it may lead to fire or explosion Make a proper provision against noise when the unit is installed at a telecommunication center or hospital Provide a GFIC circuit when the local or national electric code requires it Never wash the unit with water Handle unit transportation with care Use two people when the weight exceeds the capacity for one person Never touch the heat exchanger fins with bare hands sharp edges could cause personal injury Never touch the compressor or refrigerant tubing without proper hand protection Do not operate the unit without the air filters in place Should any emergency occur stop
96. under standby status When the unit is started by the remote controller the indication pattern will light and display the current operation You can turn off the display by pressing the Light button on the remote controller 2 Indoor Unit LED Display Depending on the settings on the remote controller the indoor unit LED display may display the current temperature set point and indoor ambient temperature H1 will be displayed during the defrost cycle 12 Drying Function The indoor fan will run for 10 minutes after the unit is turned off cooling or dry modes only to ensure that additional moisture is removed from the coil 13 Power Off Memory Function Upon a power failure the mode of operation swing function light set temperature and fan speed will retain memory The unit will restart when recovering from a power interruption to the memory saved before the interruption occurred If the power interruption occurs during a timed mode the time left will not be remembered and will start to recount from the beginning There will be a 3 minute compressor delay before resuming 14 Outdoor Compressor and Condenser Heating Band Control Under normal conditions the control logic of the Electric Heating Bands will be as follows 1 Control of Compressor Electric Heating Band a Conditions for startup The compressor is off and outdoor ambient lt 23 F b Conditions for turning off Compressor operating Compressor off and outdoor ambi
97. urs of operation the setpoint will move to 4 F above the initial setpoint and remain until the sleep mode in canceled Cool or Dry Mode Initial setpoint between 75 F 81 F a After 1 hour of operation the temperature setting will raise 2 F every hour b After 3 hours of operation the temperature setting will raise 4 F above initial setpoint and stay at this setting c After 7 hours of operation the setpoint will move to 2 F above the initial setpoint and remain until the sleep mode in canceled Cool or Dry Mode Initial setpoint between 82 F 85 F a After 1 hour of operation the temperature setting will raise 2 F every hour b After 3 hours of operation the temperature setting will raise 24 F above initial setpoint and stay at this setting c After 7 hours of operation the setpoint will move back to the initial setpoint and remain until the sleep mode in canceled Cool or Dry Mode Initial setpoint above 85 F a The original setpoint will be maintained for 7 hours then after 7 hours it will decrease by 1 F until the sleep mode is canceled 2 Heat Mode Initial setpoint 61 F a The unit will maintain this setpoint until Sleep Mode is canceled Heat Mode Initial setpoint between 62 F 68 F a After 1 hour of operation the temperature setting will decrease 2 F and maintain this setpoint until Sleep Mode is canceled Heat Mode Initial setpoint between 69 F 81 F a After 1 hour of opera
98. utes communication fault will occur and the whole system will stop and a E6 will be displayed on the front panel of the indoor unit Module Protection Under module protection mode the compressor will stop When the compressor remains off for 3 minutes the compres sor will resume operation If the module protection occurs six time in succession the compressor will remain off This is a thermal protection for the indoor module AP1 Compressor Protection If temperature sensed by the overload sensor is over 239 F the compressor will stop and the outdoor fan will stop after 30 seconds When the temperature is below 203 F the overload protection will reset to normal state DC Buss Voltage Protection The software will monitor the inverter DC bus voltage If voltage on the DC Bus is below 150 or over 420v the compressor will stop and the outdoor fan will stop in 30 seconds When the voltage on the DC bus returns to normal and the compressor has been off for 3 minutes the compressor will resume its operation 34 Product Introduction Other Controls 1 On Off The on off state will change with each button press 2 Mode Selection Press the Mode button to change from Auto Cool Dry Fan or Heat Pump 3 Temperature Setting Each time you press the TEMP or TEMP button the temperature setting will change by 1 F The temperature range is 61 F 86 F In Auto Mode this button will not function 4 Time Switch
99. will occur 2 Select a site where there is sufficient ventilation 3 Select a site where there is no obstruction blocking the inlet and outlet 4 The site should be able to withstand the full weight of the unit 5 Try to limit expose to direct sunlight or strong winds 6 Make sure that the outdoor unit is installed in accor dance with the installations instructions and is conve nient for maintenance and repair 7 Refer to your outdoor unit installation manual for maximum lineset lengths and heights This could be a factor in determining outdoor location Select a place where it is out of reach of children 47 Mounting Plate Installation Installation The mounting plate should be installed horizontally and level Measure the center of the indoor unit Please note that depending on model the center of the bracket may not correspond with the center of the unit Attach the mounting plate on the wall with screws Be sure that the mounting plate has been attached firmly enough to withstand approximately 132 pounds Refer to specific models for dimensional data The piping can exit the indoor unit from either side see pictured below Drill a 2 1 2 diameter hole at a slightly downward angle to the outdoor side Indoor Outdoor Note The outdoor hole should be approximately 1 4 Pipe j Pad lower than the indoor hole H Insert the piping hole sleeve into the hole to prevent 44
100. y If its no use please replace control panel AP1 75 Indoor Unit Display Method Malfunction Name Indoor Display Heating Indicator Off 3s and blink 20 times Malfunction of voltage drop ping for DC bus bar Off 3s and blink 21 times Voltage of DC bus bar is too low Limit decrease frequency due to high tempera ture of module 97 The four way valve is abnor mal 38 Zero crossing malfunction of outdoor unit 39 Limit decrease frequency due to freezing O O Oo Outdoor Unit Display Method repeated every 5 seconds L Off B Illuminated Blink A C Status During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation All loads operate normally while operation frequency for compressor is decreased If this malfunction occurs during heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation All loads operate normally while operation frequency for compressor is decreased Possible Causes Supply voltage is unstable 1 Measure the voltage of position L and

Download Pdf Manuals

Related Search

Related Contents

INSTALLATION MANUAL - Rexel Energy Solutions  DITORIAL  Makro_TZ_HK, 2, es_ES  CE130/55/51,CE130X/78 Car audio system  Gebrauchsanweisung Operating Instructions  Operating Instructions Blu-ray DiscTM Player  Abocom WU5204 User's Manual  Orthodontisch-Diagnostisches Besteck    

Copyright © All rights reserved. Failed to retrieve file