Service Manual
Contents
1. eects M K3 L it JR6 HIC 015041 Bonno sanj TO WIRED REMOTE CONTROLLER CONNECTOR npe ERR 9 L Legend oN OFF EN A O Model sp ecific fea ture U VN I E s a T CN 1 Livewire L1 Null line L2 T2 CN 17 Controls 24V sign al interfac e R C CN111 Signal in terface Y 0 CN 8 New fan interface XPS AJ AN CN6 Co nnectors interface BLACK WHITE CN 33 R emote ala rm interface oes CN 23 R emote switch interface CN 13 P ump interface CN 14 S wing motor interfa ce CN 5 Wa terlevel s witch interface DE CN 10 D isplay bo ard interface 2 CN3 Ce ntralized control sy stem Inte rface Z P1 Magn etism link interface e CN 15 M otor interface T1 Room tempera ture sens or 55 79 PY X83 Lesseese eres T2 Pipe temperature senso r 53 XT1 3 po le terminal block o 9 4 uy CIN E RED ale al la Y XT2 5 po le termin al block 0 15 Ala Notes MA e GI N Te OR IC xr2 xT1 1 Tobewired in accor dance w ith National di S Electric N E C and loca codes eea 2 Use C opper conductors only ES 32 47 24V Controls POWER Use con ductors suitable for at lea st 75 C 167 F si signal to outdoor SUPPLY 3 Ifany of the original wires as supplied unit must be replace d use th e same or equivalent wire Fig 11 40MKQ C Wiring Diagram 13 UTDOOR UNIT SCHEMATIC DIAGRAM AGS LPS DTS HPS To Fig 12 25HHA4 224A2. TO WIRED REMOTE CONTROLLER CONNECTOR TI E Legend ae ieee gt pes Model sp ecific fe ature y CN1 Live wire L1 Null line L2 T2 CN17 Nullline C CN111 Comp ressor si gnal CN8 Fa n interface CN6 Co nnectors interface CN 33 R emote a larm interface CN 23 R emote switch interface CN 13 P ump interface de ED CN 14 S wing motor interface CN 5 Wa terlevel switch interface he CN 10 D isplay bo ard interface 2 CN3 Ce ntralized control system Interface Z P1 Mag netism link interface 550 py X83 XPS N X83 BLACK WHITE CN15 M otor interface Y G T1 Room tempera ture sen sor CONTA T2 Pipe tempera ture sen sor 3 a o ra A XTI3po leterminal block res 1 o Sl Y XT 2 5 0 ole terminal block 1 0415 1631 NE Notes l al REST K TT O rs x11 A 110 be wire din acc ordance with Na tional S Electric N E C and lo cal code s te CTA 2 Use C opper conductors only 32 47 48 63 24V Controls POWER Use con ductors suitable for at le ast 75 C 167 F signal to outdoor SUPPLY 3 lfany of the original wires as supplie d unit must be replace d use t he sam e or equ ivalent wire Fig 8 40MKC C Wiring Diagram OUTDOOR UNIT SCHEMATIC DIAGRAM s Sy N Fig 9 24AHA4 124ANS Wiring Diagram 208 230V 1 Phase 12 HPS INDOOR THERMOSTAT EXTERNAL POWER SUPPLY 24 V Fig 10 24AHA4 124ANS Wiring Diagram 208 230 460V 3 Phase
3. 152 mm vertical rise to the service valves to prevent refrigerant migration 4 Both lines must be insulated Use a minimum of 1 2 in 12 7 mm thick insulation Closed cell insulation is recommended in all long line applications 5 Special consideration should be given to isolating interconnecting tubing from the building structure Isolate the tubing so that vibration or noise does not transmit into the structure IMPORTANT Both refrigerant lines separately must be insulated e The following maximum lengths are allowed Table 13 Maximum Refrigerant Line Lengths Max Elevation Max Unit Size ID over OD Elevation OD 9 ft m over 1D ft m 18K 34K 250 76 2 65 19 8 200 61 Note For lengths greater than 25 ft 7 6 m refer to the Residential Long Line Guide Maximum actual length not to exceed 200 ft 61 m Total equivalent length accounts for losses due to elbows or fitting See the Long Line Guideline for details e The following are the piping sizes Table 14 Pipe Sizes Indoor Unit Tube TXV Kit Tube Outdoor Unit Indoor Unit Outdoor Unit Sizes in Sizes in Tube Size in Liquid Vapor Liquid Vapor Liquid Vapor 4OMKCB18C 3 5 8 5 8 5 8 40MKCB34C 3 a 3 4 3 4 3 4 40MKCB34C 3 3 4 3 4 3 4 40MKCB34C 3 PARA 3 8 3 4 3 8 3 4 3 8 7 8 40MKOB34C 3 fn 3 4
4. 36 9 44 5 44 5 44 5 44 5 Unit Height In 31 1 37 1 37 1 37 1 37 1 Outdoor Unit Depth In 14 6 17 1 17 1 17 1 17 1 Net Weight Lbs 161 196 197 197 197 Airflow CFM 1 285 2 615 2 615 2 615 2 615 Unit Width Body In 33 1 33 1 33 1 33 1 33 1 Unit Height Body In 33 1 33 1 33 1 33 1 33 1 Unit Depth Body In 11 3 11 3 11 3 11 3 11 3 Net Weight Body Lbs 68 6 68 6 68 6 68 6 68 6 Unit Width Grille In 37 4 37 4 37 4 37 4 37 4 d t Unit Height Grille In 37 4 37 4 37 4 37 4 37 4 Unit Depth Grille In 2 2 2 2 2 2 2 2 2 2 Net Weight Grille Lbs 11 0 11 0 11 0 11 0 11 0 Number of Fan Speeds 3 3 3 3 3 Airflow lowest to highest CFM 750 820 1130 750 820 1130 750 820 1130 750 820 1130 750 820 1130 Sound Pressure lowest to highest dB A 44 48 53 44 48 53 44 48 53 44 48 53 44 48 53 Air throw Data Ft 16 16 16 16 16 Liquid line needs to be insulated Refer to Ductless Split System Long Line Guide for additional information Long Line accessories required beyond 80 ft 24 4 m DIMENSIONS INDOOR Cassette Grille 111 4 144 4411411 4 41 gt NR Cassette Body Drain pipe Refrigerant pipe connector connector Fresh air intake 075mm W A150291 Fig 2 40 MKC C 40MKQ C Unit and Panel Dimensions Table 5 Dimensions Indoor Indoor Unit Size Height H Width W Depth D Operating Weight BTU Hr in mm in mm in mm Ib kg 18K 33 1 840 33 1 840 8 1 205 54 0 24 5 24K 34K 33
5. AC F K Ohm C F K Ohm E F K Ohm C F K Ohm 20 4 542 7 20 68 68 66 60 140 1959 100 212 3 702 19 2 511 9 21 70 65 62 61 142 13 11 101 214 3 595 18 0 483 22 72 62 73 62 144 12 65 102 216 3 492 17 1 455 9 23 73 59 98 63 145 12 21 103 217 3 392 16 3 430 5 24 75 3137 64 147 11 79 104 219 3 296 15 5 406 7 25 77 54 89 65 149 11 38 105 221 3 203 14 7 384 3 26 79 52 53 66 151 10 99 106 223 3 113 13 9 363 3 27 81 50 28 67 153 10 61 107 223 3 025 12 10 343 6 28 82 48 14 68 154 10 25 108 226 2 941 11 12 R 29 84 46 11 69 156 9 902 109 228 2 86 10 14 307 7 30 86 44 17 70 158 9 569 110 230 2 781 9 16 291 3 31 88 42 33 71 160 9 248 111 232 2 704 8 18 219 32 90 40 57 72 162 8 94 112 234 2 63 7 19 261 4 33 91 38 89 73 163 8 643 113 235 2399 6 21 247 8 34 93 37 3 74 165 8 358 114 237 2 489 5 23 234 9 35 95 35 78 75 167 8 084 115 239 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 29931 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2239 1 30 190 5 39 102 30 36 79 174 7 086 119 246 2 174 0 32 180 9 40 104 29 15 80 176 6 859 120 248 2 117 1 34 171 9 41 106 28 81 178 6 641 121 250 2 061 2 36 163 3 42 108 26 9 82 180 6 43 122 252 2 007 3 37 133 2 43 109 25 86 83 181 6 228 123 253 1 955 4 39 147 6 44 111 24 85 84 183 6 033 124 233 1 905 5 41 140 4 45 113 23 89 85 185 5 844 125 234 1 856 6 43 133 5 46 115 22 89 86 187 5 663 126 239 1 808 7 45 127 1 47 117 22 1 87 189 5 488 127 261 1 762 8 4
6. C Unit Clearance CLEARANCES OUTDOOR Air outlet Air inlet A08436 Fig 5 Outdoor Unit Clearance Table 7 Clearances Indoor UNIT Coil Facing Wall in mm Fan Facing Wall in mm A 24 610 24 610 B 24 610 24 610 20 508 6 152 D 6 152 8 203 E 6 152 20 508 ELECTRICAL DATA Table 8 24AHA4 124ANS Electrical Data Unit Size OPER VOLTS COMP FAN MAX FUSE V PH MCA or CKT BRK voltage series MAX MIN LRA RLA FLA AMPS 18 30 56 3 9 0 0 50 11 8 20 24 30 ER se Hi 62 9 10 9 0 50 14 1 25 30 30 73 0 14 1 0 70 18 3 30 36 30 77 0 14 1 1 20 18 8 30 36 50 208 230 3 253 197 71 0 9 0 1 20 12 5 20 36 60 460 3 506 414 38 0 5 6 0 60 7 6 15 Table 9 25HHA4 224ANS Electrical Data Unit Size OPER VOLTS COMP FAN MAX FUSE V PH MCA or CKT BRK Voltage Series MAX MIN LRA RLA FLA AMPS 24 30 58 3 12 8 0 50 16 5 25 30 30 208 230 1 253 197 64 0 12 8 1 20 17 2 30 36 30 77 0 14 2 1 20 19 0 30 36 50 208 230 3 253 197 71 0 9 3 1 20 12 8 20 36 60 460 3 506 414 38 0 5 6 0 60 7 6 15 Table 10 40MKCB C Electrical Data Voltage Range Fan Power Indoor Unit Size V Ph Hz BTU Hr Min V Max V FLA A Min Ckt Amp A E i Amp 18K 208 230 1 60 187 253 0 332 1 15 24K 34K 208 230 1 60 18
7. control box 1 Open the grill Repeat the operation of step1 of No 1 2 Remove the grill Repeat the operation of step2 of No 1 3 Disassemble the four corner board Disassemble the corner board 4 Loose the fixing screw to free the hooks 5 Move the four hooks from the clamps then the panel can be disassembled 25 Remove the 1 Open the grill Repeat the operation of step1 of No 1 No need volute shell nni to take down the panel 2 Remove the electronic Repeat the operation of No 4 control box 3 Screw off the 3 screws to de MPA gt remove the volute shell PL Remover the fan 2 Remove the hexagon nut to disassemble the fan wheel 3 Pull out the fan wheel Remove the 1 Repeat the operation of fan motor No 7 2 Remove the fixing board of fan motor wire Two screws 26 3 Remove the 3 nuts to disassemble the fan motor 3 nuts Remove the 1 Remove the panel Repeat the operation of No 5 water 2 Remove the electronic Repeat the operation of No 4 collector control box assembly 3 Remove the volute shell Repeat the operation of No 6 4 Screw off the screws to remove the water connector assembly Remove the 1 Rotate the black cover draining counterclockwise to pump remove it 2 Rotate the transparent cover counterclockwise to remove it with a special tool for it is very tighten 3 Take off the fastening belt
8. 1 840 33 1 840 11 3 287 68 6 31 1 Cassette Panel 37 4 950 37 4 950 2 2 55 11 0 5 DIMENSIONS OUTDOOR AIR p 2 17 2 I I U V 0 K 4 11 16 AIR JUNCTION BOX FOR POWER SUPLLY AND CONTROL CONNECTIONS 2 1 1 16 FIELD POWER SUPPLY CONN HOLE SIZES PROVIDED 0 1 8 HOLE WITH 0 1 1 8 KNOCKOUT AND 3 8 KNOCKOUT l XX XX XX XI FIELD CONTROL SUPPLY __ SS O pl OOOO OES 1 8 HOLE W GROMMET AL LT i POO hb 1 m6 OS RRR RRR LL a H ERRER RRR RRR M VAPOR LINE CONN LKI G IRRIS SS al LL LLII IS Fort 8 SS 1 LP 1 1 1 aarti raid R 1 41 2 Fig 3 Outdoor Unit Dimensions Table 6 Dimensions Outdoor Dimensions in mm riadas UNIT A B C D E F G H J K L P Ibs kg aa e 36 9 146 16 234 17 2 23 1
9. 1 30 2 25 17 99 131 86 186 8 117 242 6 0 32 29 5 77 9 56 132 8 87 188 6 118 244 4 0 5 32 9 26 78 8 57 134 6 88 190 4 119 246 2 1 33 8 27 80 6 58 136 4 89 192 2 120 248 1 5 34 7 28 82 4 59 138 2 90 194 121 249 8 2 35 6 29 84 2 60 140 91 195 8 122 251 6 2 5 36 5 30 86 61 141 8 92 197 6 123 293 4 3 37 4 31 87 8 62 143 6 93 199 4 124 255 2 3 5 38 3 32 89 6 63 145 4 94 201 2 125 257 4 39 2 33 91 4 64 147 2 95 203 126 258 8 4 5 40 1 34 93 2 65 149 96 204 8 127 260 6 5 41 35 95 66 150 8 97 206 6 128 262 4 6 42 8 36 96 8 67 152 6 98 208 4 129 264 2 7 44 6 37 98 6 68 154 4 99 210 2 130 266 8 46 4 38 100 4 69 156 2 100 212 131 267 8 9 48 2 39 102 2 70 158 101 213 8 132 269 6 10 50 40 104 71 159 8 102 215 6 133 271 4 11 51 8 41 105 8 12 161 6 103 217 4 134 273 2 12 93 6 42 107 6 73 163 4 104 219 2 135 275 13 99 4 43 109 4 74 165 2 105 221 136 276 8 14 57 2 44 111 2 75 167 106 222 8 137 278 6 15 59 45 113 76 168 8 107 224 6 138 280 4 16 60 8 46 114 8 17 170 6 108 226 4 139 282 2 17 62 6 47 116 6 78 172 4 109 228 2 140 284 18 64 4 48 118 4 79 174 2 110 230 141 285 8 19 66 2 49 120 2 80 176 111 231 8 142 287 6 20 68 50 122 81 177 8 112 233 6 143 289 4 33 Copyright 2015 CAC BDP lt 7310 W Morris St e Indianapolis IN 46231 Edition Date 09 15 Catalog No 40MKC Q B C 01SM p 34
10. 28 1 13 6 6 11 3 5 8 146 791 938 370 406 595 437 587 713 330 168 286 148 66 A 36 9 146 16 234 17 2 23 1 28 1 14 6 8 11 6 5 8 148 alist 791 938 370 406 595 437 587 713 356 171 295 148 67 us r anmaaso 371 5 171 184 305 196 291 341 187 81 159 6 4 183 943 1130 433 468 775 498 740 865 348 206 403 162 83 sakn 445 171 184 305 19 6 29 1 34 1 137 8 1 15 9 6 4 184 943 1130 433 468 775 498 740 865 348 206 403 162 83 Selig E 36 9 146 16 234 17 2 23 1 28 1 14 6 8 11 6 4 9 161 791 938 370 406 595 437 587 713 356 171 295 125 73 37 1 445 171 184 305 19 6 29 1 34 1 137 8 1 15 9 5 5 196 Heat Pump 25HHA430 943 1130 433 468 775 498 740 865 348 206 403 140 89 Basa 445 171 184 305 19 6 29 1 34 1 137 8 1 15 9 5 5 197 943 1130 433 468 775 498 740 865 348 206 403 140 89 NOTE Dimensions shown in feet inches Dimensions in are millimeters CLEARANCES INDOOR AA DON HN K AR ARKAAKAKKR NNV KAKA AAK KRAK K NNV ii IMAAAAMA AMARA RAAADADAA RAN 1 A150152 Fig 4 40 MKC C 40MKQ
11. 3 4 3 4 40MKQB34C 3 a 3 4 3 4 3 4 4OMKOB34C 3 3 4 3 4 7 8 Note Both lines need to be insulated using at least 1 2 inch closed foam insulation Refrigerant Charge Table 15 Charge Requirements Nominal Charge to System aras Sub cooling Ty a apacity Outdoor Unit Indoor Unit Delta from P kBTU Hr Rating Plate Value 018 24AHA418A003 124ANS018000 40MKCB18C 3 12 Cooling 024 24AHA424A003 124ANS024000 40MKCB34C 3 12 Only 030 24AHA430A003 124ANS030000 40MKCB34C 3 12 034 24AHA436A003 5 6 124ANS036000 40MKCB34C 3 8 024 25HHA424A003 224 ANS024000 40MKCB34C 3 14 a 030 25HHA430A003 224ANS030000 40MKCB34C 3 11 034 25HHA436A003 5 6 224 ANS036000 40MKCB34C 3 14 The above additional charge is required amount for line lengths up to 25 ft 7 6 m For line lengths exceeding 25 ft 7 6 m additional charge will be required Refer to the Residential Long Line Guide Metering Device The 40MKC 0 C unit uses a TXV while the outdoor unit uses a type B accurator The cooling metering device is installed with the indoor unit The heating metering device is installed with the outdoor unit One metering device is required for the cooling only system and two are required for the heat pump systems Refer to Table 16 for a breakdown of each unit s metering devices Table 16 Metering Devices System Size Cooling
12. CASSETTE 01 15 00001 Serial Number Week of Manufacture Year of Manufacture Manufacturing Site Fareed CERTIFIED www ahridirectory org Use of the AHRI Certified TM Mark indicates a manufacturer s TER TEA participation in the program For verification U of certification for individual ii products go to www ahridirectory org C US C U S 57 9 STANDARD FEATURES AND ACCESSORIES ACCESSORIES Table 1 Standard Features Ease Of Installation Indoor and Outdoor Compact Size Outdoor Unit Wall Mounting Kit Outdoor Unit Stacking Kit Indoor Mounting Bracket al gt plan Comfort Features Microprocessor Controls Wireless Remote Control Automatic Air Sweep Air Direction Control Auto Restart Function Cold Blow Protection On Heat Pumps Turbo Mode Silence Mode Follow Me NINMNINININININ IMH Energy Saving Features Sleep Mode UN Stop Start Timer N 46 F Heating Mode Heating Setback Nn Safety And Reliability 3 Minute Time Delay For Compressor Over Current Protection For Compressor Crankcase Heater standard on sizes 30 and 36 Heat Pump Indoor Coil Freeze Protection Indoor Coil High Temperature Protection On Heat Pumps Condenser High Temperature Protection On Heat Pumps Accumulator On Heat Pumps numa DS nun Ease Of Service And Maintenance
13. LL Let LD FACTORY CONTROL WIRING 24V FIELD CONTROL WIRING 24V L FIELD SPLICE OUTDOOR UNIT TERMINALS NOTES 1 Symbols are electrical representation only 2 To be wired in accordance with National Electric N E C and local codes 3 Use copper conductors only Use conductors suitable for at least 75 C 167 4 If any of the original wire as supplied must be replaced use the same or equivalent wire CONNECTION DIAGRAM AC A150280 Fig 6 40MKCB C 24AHA4 or 124ANS Connecting Diagram INDOOR TERMINAL BLOCK LOL T 92 T GD L G rit 2 1G 1G G A L Ie lt lt SEE NOTE 3 LEGEND EFTE FACTORY CONTROL WIRING 24V C Y O W2 R FIELD CONTROL WIRING 24V OUTDOOR UNIT TERMINALS A FIELD SPLICE NOTES 1 Symbols are electrical representation only 2 To be wired in accordance with National Electric N E C and local codes 3 Use copper conductors only Use conductors suitable for at least 75 C 167 F 4 f any of the original wire as supplied must be replaced use the same or equivalent wire CONNECTION DIAGRAM HP A150282 Fig 7 40MKQB C 25HHA4 or 224ANS Connecting Diagram Notes 1 Do not use thermostat wire for any connection between indoor and outdoor units 2 All connections between indoor and outdoor units must be as shown The connections are sensitive to polarity and will result in a fault code 11 if JR6 DISPLAY saw j
14. Only Heat Pumps kBTU hr 40MKCB C 40MKQB C 25HHA4 224ANS 018 TXV A 024 TXV TXV 0 049 030 TXV TXV 0 055 034 TXV TXV 0 063 SYSTEM EVACUATION AND CHARGING A CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Never use the system compressor as a vacuum pump Refrigerant tubes and indoor coil should be evacuated using the recommended deep vacuum method of 500 microns The alternate triple evacuation method may be used if the procedure outlined below is followed Always break a vacuum with dry nitrogen SYSTEM VACUUM AND CHARGE Using Vacuum Pump 17 1 Completely tighten flare nuts A B C D connect manifold gage charge hose to a charge port of the low side service valve see Fig 17 2 Connect charge hose to vacuum pump 3 Fully open the low side of manifold gage see Fig 18 4 Start the vacuum pump 5 Evacuate using either deep vacuum or triple evacuation method 6 After evacuation is complete fully close the low side of the manifold gage and stop the vacuum pump operation 7 The factory charge contained in the outdoor unit is good for up to 25 ft 8 m of line length For refrigerant lines longer than 25 ft 8 m add charge up to the maximum allowable length as specified in the residential Long Line Application Guide 8 Disconnect charge hose from charge connection of the low side service valve 9 Fully open service valv
15. and work gloves Keep quenching cloth and fire extinguisher nearby when brazing Use care in handling rigging and setting bulky equipment Read this manual thoroughly and follow all warnings or cautions included in literature and attached to the unit Consult local building codes and National Electrical Code NEC for special requirements Recognize safety information This is the safety alert symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation 4 WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Before installing modifying or servicing system main electrical disconnect switch must be in the OFF position There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label 4 WARNING EXPLOSION HAZARD Failure to follow this warning could result in death serious perso
16. hr During this time dry nitrogen will be able to diffuse throughout the system absorbing moisture 5 Repeat this procedure as indicated in Fig 20 System will then be free of any contaminants and water vapor EVACUATE BREAK VACUUM WITH DRY NITROGEN v WAIT EVACUATE BREAK VACUUM WITH DRY NITROGEN IT EVACUATE CHECK FOR TIGHT DRY SYSTEM IF IT HOLDS DEEP VACUUM RELEASE CHARGE INTO SYSTEM Fig 20 Triple Evacuation Method 43 5 A95425 SEQUENCE OF OPERATION Interface A wireless remote control supplied with the unit is the interface between the fan coil and the user The wireless remote control has the following characteristics e Capable of displaying C and F with F being the default setting To change the default setting refer to the Owner s Manual e The remote control setpoint range is from 62 F 17 C to 86 F 30 C in increments of 1 F 1 C e The wireless remote control has an operating range of 25 ft 7 62 m e The same remote control can be used to control more than one unit e If the remote control is lost damaged or the batteries are exhausted the system can be operated by using the manual button forced Auto located on the front panel see Fig 21 Manual button 00 OPERATION TIMER DEF FAN ALARM A150257 Fig 21 Display Panel 18 TROUBLESHOOTING This section provides the
17. only with a minimum 300 volt rating and 2 64 inch thick insulation must be used as the communication wire from the outdoor unit to the indoor unit To minimize voltage drop of the communication wire use the wire size and maximum lengths shown in table 12 Table 12 Maximum Lengths Wire Size Length ft m 18AWG 50 ft 15 m 16AWG 50 ft 15 m to 100 ft 30 m 4 CAUTION EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation e Wires should be sized based on NEC and local codes e Use copper conductors only with a minimum 300 volt rating and 2 64 inch thick insulation 4 CAUTION EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation 10 Be sure to comply with local codes while running wire from indoor unit to outdoor unit Every wire must be connected firmly Loose wiring may cause terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore be sure all wiring is tightly connected No wire should be allowed to touch refrigerant tubing compressor or any moving parts Disconnecting means must be provided and shall be located within sight and readily accessible from the air conditioner Connecting cable with conduit shall be routed through hole in the conduit panel CONNECTION DIAGRAMS INDOOR TERMINAL BLOCK OLLI Leia l CD Y c u eS
18. or fixing clamp and disconnect the water pipe Fastening belt Water pipe 2 4 Screw off the screws to remove the drain pump 2 Remove the seal board of evaporator 3 Remove the evaporator fixing board 4 Remove the evaporator fixing clamps to disassemble the evaporator pS Two fixing clamps One screw 28 APPENDIX APPENDIX TABLE OF CONTENTS DESCRIPTION NUMBER Control Board Mpo Output Valles ds adds dls L eee eee Al Temperature Sensor Values Temperature vs Resistance for 11 12 T3 14 200 0002 00 eee eee A2 Temperature Sensor Values Temperature vs Resistance for TS 00 A3 DISPLAY LA A AS A4 AS Al Table 18 Control Board Input Output Value CONNECTOR CONTROL BOARD INPUT or OUTPUT VALUE CN 1 Live wire L1 Null line L2 Input Voltage AC 230V CN 17 Controls 24V signal interface R C Input AC 24V CN111 Signal interface Y O Output 24V AC CN 8 New fan interface Voltage AC 230V CN 6 Connectors interface Output 5V DC CN 33 Remote alarm interface Only a Contact and no voltage limit CN 23 Remote switch interface Output 12V DC CN 13 Pump interface Voltage AC 230V CN 14 Swing motor interface Output 12V DC CN 5 Water level switch interface Output 5V DC CN 10 Display board interface Output 5V DC CN 3 Centralized control system Interface Output 5V DC CN 15 Motor interface Voltage AC 230V 11 Room temperat
19. required flow charts to troubleshoot problems that may arise NOTE Information required in the diagnoses can be found either on the wiring diagrams or in the appendix Required Tools The following tools are needed when diagnosing the units e Digital multimeter e Screw drivers Phillips and straight head e Needle nose pliers Recommended Steps 1 Refer to the diagnostic hierarchy charts below and determine the problem at hand 2 Refer to the chart listed in the diagnostic hierarchy and follow the steps in the chart for the selected problem INDOOR UNIT DIAGNOSTIC CODES For ease of service the indoor unit is equipped with diagnostic code display LEDs in the indoor units This diagnostic display is a combination of flashing LEDs on the display panel or the front of the unit If possible always check the diagnostic codes displayed on the indoor unit Once a failure occurs with the indoor unit in operation the green LED on the indoor unit flashes at intervals of 0 5 seconds The fault code is deduced from the number of times the green LED flashes blocking unit operation Between one flash cycle and the next one a pause of 3 to 4 seconds elapses The diagnostic codes for the indoor units are listed in the appendix Problems may occur that are not covered by a diagnostic code but are covered by the diagnostic flow charts These problems are typical air conditioning mechanical or electrical issues that can be corrected using sta
20. 0 64 90 Heating Indoor DB Min Max F 32 80 32 80 32 80 32 80 32 80 Total Piping Length Ft 200 200 200 200 200 Drop OD above ID Ft 200 200 200 200 200 Lift OD below ID Ft 65 65 65 65 65 Piping Outdoor Pipe Connection Size Liquid In 3 8 3 8 3 8 3 8 3 8 a Pipe Connection Size In 3 4 3 4 7 8 7 8 7 8 Indoor Pipe Connection Size Liquid In 3 8 3 8 3 8 3 8 3 8 Indoor Pipe Connection Size Suction In 3 4 3 4 3 4 3 4 3 4 Type R 410A R 410A R 410A R 410A R 410A Design Pressure PSIG 550 550 550 550 550 Refrigerant l Metering Device Type B Accurator Charge Lb 7 7 12 1 12 3 12 3 12 3 Face Area Sq Ft 7 3 12 1 12 1 12 1 12 1 Outdoor No Rows 2 2 2 2 2 Coil Fins per inch 20 20 20 20 20 Circuits 3 6 5 5 5 Face Area sq ft Sq Ft 5 6 5 6 5 6 5 6 5 6 Indoor No Rows 3 3 3 3 3 Coil Fins per inch 18 18 18 18 18 Circuits 12 12 12 12 12 Type Scroll Scroll Scroll Scroll Scroll Compressor Model ZP21K5E PFV 130 ZP24K5E PFV 130 ZP29K5E PFV 130 ZP29K5E TF5 130 ZP29K5E TFD 130 Outdoor Voltage Phase Cycle VG 208 230 1 60 208 230 1 60 208 230 1 60 208 230 3 60 460 3 60 Indoor Voltage Phase Cycle el 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 Electrical Power Supply Indoor and outdoor units have dedicated power supply MCA Outdoor A 16 5 17 2 19 12 8 7 6 MOCP Fuse Rating Outdoor A 25 30 30 20 15 MCA Indoor A 1 1 1 1 1 MOCP Fuse Rating Indoor A 15 15 15 15 15 Unit Width In
21. 01LLS a Ca Required for Long Line Cooling Only Apolicati pplications AZ 25HHA4 All Sizes KHALS0401LLS Su o enod ar Required for Long Line Heat Pump Applicati pplications INDOOR UNIT ACCESSORIES Grille To maximize shipping efficiency the grille for the in ceiling cassette is set up as an accessory NOTE Grille is required Wired Remote Controller For applications where the use of wireless remote control is not desired the MK units can be controlled by means of a wired wall mounted control with an LCD display Fig 1 Wall Mounted Control with LCD Display SPECIFICATIONS Table 3 Cooling Only COOLING ONLY Size 18 24 30 34 34 34 Outdoor Model 24AHA418A003 24AHA424A003 24AHA430A003 24AHA436A003 24AHA436A005 24AHA436A006 System 124ANS018000 124ANS024000 124ANS030000 124ANS036000 124APS036000 124AES036000 Indoor Model 40MKCB18C 3 40MKCB34C 3 40MKCB34C 3 40MKCB34C 3 40MKCB34C 3 40MKCB34C 3 Energy Star NO NO NO NO NO NO Cooling Rated Capacity Btu h 17 100 23 800 30 000 34 200 34 200 34 200 Performance SEER 14 14 14 14 14 14 EER 12 2 12 2 12 2 12 2 12 2 12 2 Controls Wireless Remote Controller F C Convertible Standard Standard Standard Standard Standard Standard Wired Remote Controller F C Convertible Optional Optio
22. 1130 750 820 1130 750 820 1130 Sound Pressure lowest to highest dB A 39 43 47 44 48 53 44 48 53 44 48 53 44 48 53 44 48 53 Air throw Data Ft 15 16 16 16 16 16 Liquid line needs to be insulated Refer to Ductless Split System Long Line Guide for additional information Long Line accessories required beyond 80 ft 24 4 m SPECIFICATIONS CONT Table 4 Heat Pump HEAT PUMP Size 24 30 34 34 34 Outdoor Model 25HHA424A003 25HHA430A003 25HHA436A003 25HHA436A005 25HHA436A006 System 224ANS030000 224ANS036000 224APS036000 224AES036000 224ANS048000 Indoor Model 40MKQB34C 3 40MKQB34C 3 40MKQB34C 3 40MKQB34C 3 40MKQB34C 3 Energy Star NO NO NO NO NO Cooling Rated Capacity Btu h 23 400 28 400 32 600 32 600 32 600 SEER 14 14 14 14 14 EER 11 2 12 2 12 2 12 2 12 2 Performance Heating Rated Capacity Btu h 20 200 29 000 33 000 33 000 33 000 HSPF 8 2 8 2 8 2 8 2 8 2 COP W W 4 24 4 1 3 94 3 94 3 94 Wireless A Standard Standard Standard Standard Standard Controls Convertible Wired Remote Controller F C Convertible Optional Optional Optional Optional Optional a A a R Heating Outdoor DB Min Max oF 17 75 17 75 17 75 17 75 17 75 Cooling Indoor DB Min Max F 64 90 64 90 64 90 64 9
23. 30 Outdoor Voltage Phase Cycle G 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 3 60 460 3 60 Indoor Voltage Phase Cycle G 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 Indoor and outdoor Indoor and outdoor Indoor and outdoor Indoor and outdoor Indoor and outdoor Indoor and outdoor Electrical Power Supply units have dedicated units have dedicated units have dedicated units have dedicated units have dedicated units have dedicated power supply power supply power supply power supply power supply power supply MCA Outdoor A 11 8 14 1 18 3 18 8 12 5 7 6 MOCP Fuse Rating Outdoor A 20 25 30 30 20 15 MCA Indoor A 1 1 1 1 1 1 MOCP Fuse Rating Indoor A 15 15 15 15 15 15 Unit Width In 36 9 36 9 44 5 44 5 44 5 44 5 Unit Height In 31 1 31 1 37 1 37 1 37 1 37 1 Outdoor Unit Depth In 146 146 17 1 17 1 17 1 17 1 Net Weight Lbs 146 148 183 184 184 184 Airflow CFM 1 285 1 285 1 900 2 615 2 615 2 615 Unit Width Body In 33 1 33 1 33 1 33 1 33 1 33 1 Unit Height Body In 33 1 33 1 33 1 33 1 33 1 33 1 Unit Depth Body In 113 113 113 113 113 113 Net Weight Body Lbs 54 0 68 6 68 6 68 6 68 6 68 6 Unit Width Grille In 37 4 37 4 37 4 37 4 37 4 37 4 doi Unit Height Grille In 37 4 37 4 37 4 37 4 37 4 37 4 Unit Depth Grille In 22 22 22 22 22 22 Net Weight Grille Lbs 11 0 11 0 11 0 11 0 11 0 11 0 Number of Fan Speeds 3 3 3 3 3 3 Airflow lowest to highest CFM 370 450 630 750 820 1130 750 820 1130 750 820
24. 40MKCC 24AHA4 124ANS 40MKQC 25HHA4 224ANS Cassette Ductless Split System Sizes 18 to 34 Service Manual TABLE OF CONTENTS PAGE SAFETY CONSIDERATIONS 22044442500 1 INTRODUCTION covers sis paa 1 MODEL SERIAL NUMBER NOMENCLATURES 2 STANDARD FEATURES AND ACCESSORIES 3 SPECIFICATIONS 22624 EE E a ea a ba 4 DIMENSIONS var roscas 6 CLEARANCES 003 cursa cua pas uo a Edda ELECTRICAL b 9 POWER AND CONNECTING CABLES 10 CONNECTION DIAGRAMS assa 11 REFRIGERATION CYCLE DIAGRAMS 16 REFRIGERANT LINES sg gass tonnan EOD 17 SYSTEM EVACUATION AND CHARGING 17 SEQUENCE OF OPERATION ss 18 TROUBLESHOOTING sms ni ias ts ds EN 02 19 TTT 23 APPENDS varas ness ps e raaa 29 SAFETY CONSIDERATIONS Installing starting up and servicing air conditioning equipment can be hazardous due to system pressures electrical components and equipment location roofs elevated structures etc Only trained qualified installers and service mechanics should 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 working on the equipment observe precautions in the literature and on tags stickers and labels attached to the equipment Follow all safety codes Wear safety glasses
25. 6 121 48 118 21 26 88 190 392 128 262 1 717 9 48 115 2 49 120 20 46 89 192 5 157 129 264 1 674 10 50 109 8 50 122 19 69 90 194 5 130 266 1 632 11 32 104 6 51 124 18 96 91 196 4 849 12 54 99 69 52 126 18 26 92 198 4 703 13 53 95 05 53 127 17 58 93 199 4 562 14 57 90 66 54 129 16 94 94 201 4 426 15 59 86 49 55 131 16 32 95 203 4 294 16 61 82 54 56 133 15 73 96 205 4 167 17 63 78 79 57 135 15 16 97 207 4 045 18 64 75 24 58 136 14 62 98 208 3 927 19 66 71 86 39 138 14 09 99 210 3 812 31 A4 Display Panel Function indicators on indoor unit display panel Alarm indicator DEF FAN lamp lluminates during DEFROST operation Flashes when a failure is detected Manual button Timer indicator Service purpose switch to be lluminates during TIMER operation MANUAL used by trained personnel only m OOH Infrared signal receiver Receives the signal from remote Temperature indicator controller Displays the room temperature Operation lamp indicator Illuminates during operation A150250 Fig 22 Unit Display 32 A5 Table 21 Temperature Conversion C T C T C T C F C F 5 23 21 69 8 51 123 8 82 179 6 113 235 4 4 24 8 22 71 6 52 125 6 83 181 4 114 237 2 3 26 6 23 73 4 53 127 4 84 183 2 115 239 2 28 4 24 19 2 94 129 2 85 185 116 240 8
26. 7 253 0 8 1 15 Table 11 40MKQB C Electrical Data F P Indoor Unit Size TOMASE nee gr NA BTU Hr V Ph Hz Min V Max V FLA A Min Ckt Amp A TS k mp 24K 34K 208 230 1 60 187 253 0 8 1 15 LEGEND FLA Full Load Amps HACR Heating Air Conditioning Refrigeration LRA Locked Rotor Amps NEC National Electrical Code RLA Rated Load Amps compressor Permissible limits of the voltage range at which the unit will operate satisfactorily Time Delay fuse Complies with 2007 requirements of ASHRAE Standards 90 1 POWER AND CONNECTING CABLES FIELD SUPPLIED Recommended Connection Method for Power and Communication Wiring 10 minimize communication wiring interference Power Wiring The main power is supplied to both the indoor and the outdoor units The field supplied connecting cable consists of three 3 wires Two wires are high voltage AC power and one is a ground wire Consult your local building codes and the NEC National Electrical Code or CEC Canadian Electrical Code for special requirements All wires must be sized per NEC or CEC and local codes Use Electrical Data table MCA minimum circuit amps and MOCP maximum over current protection to correctly size the wires and the disconnect fuse or breakers respectively Per caution note only copper conductors with a minimum 300 volt rating and 2 64 inch thick insulation must be used Communication Wiring A separate shielded copper conductor
27. 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 33 3269 41 106 4 96392 81 178 1 13604 121 250 0 35042 2 36 31 5635 42 108 4 76253 82 180 1 09958 122 232 0 3413 3 37 29 9058 43 109 4 5705 83 181 1 06448 123 233 0 33246 4 39 28 3459 44 111 4 38736 84 183 1 03069 124 239 0 3239 5 41 26 8778 45 113 4 21263 85 185 0 99815 125 25 1 0 31559 6 43 25 4954 46 115 4 04589 86 187 0 96681 126 259 0 30754 7 45 24 1932 47 117 3 88673 87 189 0 93662 127 261 0 29974 8 46 22 5662 48 118 3 73476 88 190 0 90753 128 262 0 29216 9 48 21 8094 49 120 3 58962 89 192 0 8795 129 264 0 28482 10 50 20 7184 50 122 3 45097 90 194 0 85248 130 266 0 2777 11 52 19 6891 51 124 3 31847 91 196 0 82643 131 268 0 27078 12 54 18 7177 52 126 3 19183 92 198 0 80132 132 270 0 26408 13 55 17 8005 53 127 3 07075 93 199 0 77709 133 271 0 25757 14 57 16 9341 54 129 2 95896 94 201 0 75373 134 273 0 25125 15 59 16 1156 55 131 2 84421 95 203 0 73119 135 215 0 24512 16 61 15 3418 56 133 2 73823 96 205 0 70944 136 277 0 23916 17 63 14 6181 57 135 2 63682 97 207 0 68844 137 279 0 23338 18 64 13 918 58 136 2 53973 98 208 0 66818 138 280 0 22776 19 66 13 2631 59 138 2 44677 99 210 0 64862 139 282 0 22231 30 Table 20 Temperature Sensor Resistance Value Table for TS
28. Cleanable Filters Diagnostics Liquid Line Pressure Taps Suction And Discharge Pressure Taps NIN I NIN Application Flexibility Low Ambient Controls 20 F 28 9 C 3 Phase on size 34 Wind Baffles Condensate Pumps Wired Controls gt Ja gt Legend S Standard A Accessory Table 2 Accessories Ordering No Description For Models KSACNO101AAA Wired Remote Control All Sizes 40MK B01C 3 Grille Ceiling panel Cassette Indoor units Low Ambient Control for 24AHA4 25HHA4 BA cooling 20F 208 230V KSALA0901AAA fap ur 24AHA4 460V 3 cooling 20F 24AHA4 Sizes 18 36 KAACH1401AAA Crankcase Heater 208 230V KAACH1501AAA Crankcase Heater 24AHA4 Size 36 460V 3 KAACH1701AAA Crankcase Heater 25HHA4 Size 24 208 230V Winter Start Kit for low KAAWS0101AAA ambient on cooling only 24AHA4 All Sizes systems Isolation Relay Required KHAIRO201AAA when using Low Ambient 25HHA4 All Sizes cooling with HP Hard Start Kit Capacitor amp 24AHA4 25HHA4 UARA Relay 208 230V 1 24AHA4 Sizes 18 amp 24 53DS 900 087 Wind Baffle 25HHAS4 Size 24 53DS 900 071 Wind Baffle 53DS 900 075 Stacking Kit 24AHA4 Sizes 18 24 53DS 900 076 Stacking Kit 24AHA4 Sizes 30 36 24AHA4 Sizes 18 24 and 53DS 900 077 Wall Mount Kit 25HHA4 Size 24 53DS 900 078 Wall Mount Kit le n a 24AHA4 All Sizes KAALSO2
29. NS Wiring Diagram 208 230V 1 Phase L Fig 13 25HHA4 224ANS Wiring Diagram 208 230V 3 Phase 14 RVS Fig 14 25HHA4 224ANS Wiring Diagram 460V 3 Phase 15 REFRIGERATION CYCLE DIAGRAMS INDOOR UNIT FIELD OUTDOOR UNIT ee A PIPING ee p FLARE CONNEGTIPN P lt COOLING EXPANSION DEVICE SERVICE VALVE HEAT HEAT EXCHANGER EXCHANGER EVAPORATOR CONDENSER SERVICE VALVE W GAUGE PORT SUCTION LINE FLARE CONNECTION FIELD gt PIPING Cs IMMM Fig 15 Cooling Only a g im TWO PHASE COOLING LIQUID HTG HEATING Y EXPANSION DEVICE HEAT HEAT EXCHANGER EXCHANGER EVAPORATOR CONDENSER SUCTION DISCHARGE FLARE CONNECTION SUCTION REVERSING ACCUMULATORL ff ii VALVE COMPRESSOR a a E AI NIS HEATING PIPING Fig 16 Heat Pumps 16 REFRIGERANT LINES General refrigerant line sizing 1 The outdoor units are shipped with a full charge of R410A refrigerant All charges line sizing and capacities are based on runs of 25 ft 7 6 m For runs over 25 ft 7 6 m refer to the Residential Long Line Guide 2 Minimum refrigerant line length between the indoor and outdoor units is 10 ft 3 m 3 Refrigerant lines should not be buried in the ground If it is necessary to bury the lines not more than 36 in 914 mm should be buried Provide a minimum 6 in
30. alling board to avoid shock hazard and board damage 19 1 Open or short circuit of T1 or T2 temperature sensor diagnosis and solution Error Code El Malfunction conditions Indoor room temperature T1 and sensor evaporator temperature sensor T2 is abnormal Check the connections between temperature sensor and PCB Are the connections good Yes No gt Correct the connections Measure the resistance value of the sensor via Appendix 1 No Replace the sensor Yes y Replace the indoor PCB 20 2 EEPROM parameter error diagnosis and solution Error Code E7 Malfunction conditions Indoor PCB main chip does not receive feedback from EEPROM chip Possible Causes e Installation mistake e Defective PCB Troubleshooting Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Yes y If the EEPROM chip is welded on main PCB replace the main PCB directly Otherwise check No Correct the connection y whether the EEPROM chip is plugged into main PCB well Yes v Replace the main PCB 21 3 Water level alarm diagnosis and solution Error Code E8 Malfunction conditions If the sampling voltage is not 5V the LED displays the failure Possible Causes e Wiring mista
31. es B and A 10 Securely tighten caps of service valves Outdoor Unit Refrigerant Indoor Unit A Low Side Te l 5 D FJ B HA Side High Side Service Valve A07360 Fig 17 Service Valve Manifold Gage eje O 500 microns L O Ror High side valve Charge hose Low side valve Charge hose Ye x Vacuum pump Low side valve A07361 Fig 18 Manifold Deep Vacuum Method The deep vacuum method requires a vacuum pump capable of pulling a vacuum of 500 microns and a vacuum gage capable of accurately measuring this vacuum depth The deep vacuum method is the most positive way of assuring a system is free of air and liquid water see Fig 19 5000 oll s0 i EKN snn 6 3000 2000 venel VACUUM TIGHT ERG TOO WET 500 TIGHT DRY SYSTEM 0 12 3 4 5 6 7 MINUTES A95424 Fig 19 Deep Vacuum Graph Triple Evacuation Method The triple evacuation method should only be used when vacuum pump is only capable of pumping down to 28 in of mercury vacuum and system does not contain any liquid water Refer to Fig 20 and proceed as follows 1 Pump system down to 28 in of mercury and allow pump to continue operating for an additional 15 minutes 2 Close service valves and shut off vacuum pump 3 Connect a nitrogen cylinder and regulator to system and open until system pressure is 2 psig 4 Close service valve and allow system to stand for 1
32. ke e Water level switch faulty e Water pump faulty e Indoor PCB faulty Power off then restart the unit 2 minutes later Is it still displaying the error code Yes Y If the water level switch is inserted well Yes Y If the water level switch is broken No Y Replace the water pump If malfunction is still not solved Yes Y Replace the indoor main PCB No gt Insert the water level switch well Yes gt Replace the water level switch ADDITIONAL INFORMATION FOR CRITICAL PARTS Temperature sensor troubleshooting Disconnect the temperature sensor from the PCB and measure the resistance value with a multimeter Temperature sensors A O Indoor Fan Motor Room temperature T1 sensor Indoor coil temperature T2 sensor Outdoor coil temperature T3 sensor Outdoor ambient temperature T4 sensor Compressor discharge temperature T5 sensor Measure the resistance value of each winding by using the multimeter 22 DISASSEMBLY OF CASSETTE INDOOR UNIT All the operations should be performed after powered off ve Parts name Procedures Remas S Remove the 1 Open the grill filter Use two fingers to press the clips on the grille pic 1 then hitch the grille and open it pic 2 pic 3 Remove the grill Disconnect the display board wire connected to the PCB Move the grill up and dow
33. n to remove the grille Disconnect the wires between control box and grill Remove the filter Press the filter slightly according to the arrow direction to let filter free from the clasp then you can take off it Note the filter is easy to be damaged be careful when removing it 23 Remove the 1 Open the grill Repeat the operation of step1 of No 1 display 2 Remove the grill Repeat the operation of step2 of No 1 board In order to prevent the grille falling down it s necessary to remove it Disassemble the display board Remove the two screws show in the picture to disassemble the display board Remove the 1 Open the grill Repeat the operation of step1 of No 1 No need PCB A to remove the panel 2 Disassemble the electronic control box cover Remove the 2 screws to disassemble the electronic 2 screws control box cover 3 Pull out all the plugs or connectors connected to the PCB 24 4 Remove the PCB from the fixing pins There are white lines on the PCB to show the position of the pins Fixing pin Remove the 1 Open the grill Repeat the operation of step1 of No 1 No need electronic a to take down the panel control box 2 Remove the electronic Repeat the operation of step 2 of No 3 3 Pull out all the plugs or connectors connected to the electronic control box 4 Remove the electronic control box Remove the 3 screws to disassemble the electronic
34. nal Optional Optional Optional Optional 55 125 20 Fw 55 125 20 Fw 55 125 20 Fw 55 125 20 Fw 55 125 20 Fw 55 125 20 Fw Ran SEU a E i Sg S S S S S S Kit Sg cee Kit Sg Kit Cooling Indoor DB Min Max F 64 90 64 90 64 90 64 90 64 90 64 90 Total Piping Length Ft 200 200 200 200 200 200 Drop OD above ID Ft 200 200 200 200 200 200 Lift OD below ID Ft 65 65 65 65 65 65 Piping Outdoor Pipe Connection Size Liquid In 3 8 3 8 3 8 3 8 3 8 3 8 Outdoor Pipe Connection Size Suction In 5 8 3 4 3 4 7 8 7 8 7 8 Indoor Pipe Connection Size Liquid In 3 8 3 8 3 8 3 8 3 8 3 8 Indoor Pipe Connection Size Suction In 5 8 3 4 3 4 3 4 3 4 3 4 Type R 410A R 410A R 410A R 410A R 410A R 410A Refrigerant Design Pressure PSIG 550 550 550 550 550 550 Metering Device Type B Accurator Type B Accurator Type B Accurator Type B Accurator Type B Accurator Type B Accurator Charge Lb 6 4 65 8 6 8 9 8 9 8 9 Face Area Sq Ft 73 73 12 1 12 1 12 1 12 1 Outdoor No Rows 2 2 2 2 2 2 Fins per inch 20 20 20 20 20 20 Circuits 3 3 3 3 3 3 Face Area sq ft Sq Ft 3 6 5 6 5 6 5 6 5 6 5 6 Indoor No Rows 2 3 3 3 3 3 Coil Fins per inch 18 18 18 18 18 18 Circuits 8 12 12 12 12 12 Comper Type Scroll Scroll Scroll Scroll Scroll Scroll Model ZP16K6E PFV 130 ZP20K6E PFV 130 ZP25K5E PFV 130 ZP29K5E PFV 130 ZP29K5E TF5 130 ZP29K5E TFD 1
35. nal injury and or property damage Never use air or gases containing oxygen for leak testing or operating refrigerant compressors Pressurized mixtures Of air or gases containing oxygen can lead to an explosion 4 CAUTION EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Do not bury more than 36 in 914 mm of refrigerant pipe in the ground If any section of pipe is buried there must be a 6 in 152 mm vertical rise to the valve connections on the outdoor units If more than the recommended length is buried refrigerant may migrate to the cooler buried section during extended periods of system shutdown This causes refrigerant slugging and could possibly damage the compressor at start up INTRODUCTION This Service Manual provides the necessary information to service repair and maintain the MK family of air conditioners and heat pumps Section 2 of this manual is an appendix with data required to perform troubleshooting Use the Table of Contents to locate a desired topic MODEL SERIAL NUMBER NOMENCLATURES INDOOR UNIT B 18 3 40 FAN COIL UNIT VOLTAGE 3 208 230 1 60 MK MODEL SYSTEM TYPE C COOLING ONLY Q HEAT PUMP MAXIMUM NUMBER OF FAN COIL UNITS THAT CAN BE CONNECTED TO THE OUTDOOR UNIT B 1 1 NOT USED NOMINAL CAPACITY 18 1 1 2 TONS 24 2 TONS 30 2 1 2 TONS 34 2 5 6 TONS INDOOR FAN COIL TYPE C
36. ndard air conditioning repair techniques Table 17 Fault Codes Displ No Malfunction Running lamp Timer lamp Defrosting lamp Alarm lamp digital Elo Open or short circuit of T1 temperature sensor TY s E2 Open or short circuit of T2 temperature sensor T 5 5 n E3 3 Indoor EEPROM sk sk x E7 4 Water level alarm X X yr E8 Refrigerant leakage S detection TY A A x EC NOTE O on X off W flash at 5Hz flash at 0 5Hz For problems requiring measurements at the control boards please note the following For Heat Pump Units Only 1 Always disconnect the main power 2 When possible check the outdoor board first 3 Start by removing the outdoor unit top cover 4 Reconnect the main power 5 Probe the outdoor board inputs and outputs with a digital multi meter referring to the wiring diagrams 6 Connect the red probe to hot signal and the black probe to the ground or negative 7 Note that some of the DC voltage signals are pulse and gives continuously variable readings For Cooling only and Heat Pumps 1 If it is necessary to check the indoor unit board you must start by disconnecting the main power 2 Next remove the front cover of the unit and then control box cover 3 Carefully remove the indoor board from the control box place it face up on a plastic surface not metal 4 Reconnect the main power and repeat steps 5 6 and 7 5 Disconnect main power before reinst
37. ure sensor T2 Pipe temperature sensor XT 1 3 pole terminal block XT 2 5 pole terminal block 29 Table 19 Temperature Sensor Resistance Value Table for T1 12 T3 T4 C F K Ohm C F K Ohm C F K Ohm 1O F K Ohm 20 4 115 266 20 68 12 6431 60 140 2 35774 100 212 0 62973 19 2 108 146 21 70 12 0561 61 142 2 21249 101 214 0 61148 18 0 101 517 22 12 11 5 62 144 2 19073 102 216 0 59386 17 1 96 3423 23 19 10 9731 63 145 2 11241 103 217 0 57683 16 3 89 5865 24 75 10 4736 64 147 2 03732 104 219 0 56038 15 5 84 219 23 77 10 65 149 1 96532 105 221 0 54448 14 7 79 311 26 79 9 55074 66 151 1 89627 106 223 0 52912 13 9 74 536 27 81 9 12445 67 153 1 83003 107 225 0 51426 12 10 70 1698 28 82 8 71983 68 154 1 76647 108 226 0 49989 11 12 66 0898 29 84 8 33566 69 156 1 70547 109 228 0 486 10 14 62 2756 30 86 7 97078 70 158 1 64691 110 230 0 47256 9 16 58 7079 31 88 7 62411 71 160 1 59068 111 232 0 45957 8 18 56 3694 32 90 7 29464 72 162 1 53668 112 234 0 44699 7 19 52 2438 33 91 6 98142 13 163 1 48481 113 235 0 43482 6 21 49 3161 34 93 6 68355 74 165 1 43498 114 237 0 42304 5 23 46 5725 35 95 6 40021 75 167 1 38703 115 239 0 41164 4 23 44 36 97 6 13059 76 169 1 34105 116 241 0 4006 3 27 41 5878 37 99 5 87359 77 171 1 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961
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