Carrier RAV-SP180CT-UL Service Manual Download Page 180

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RBC-AX31U (W)-UL

Location

Part No.

Description

No.

353

43459011

P.C. Board Ass’y, Remote Receiver

354

43462010

Cover, WRS

355

43461006

Sheet

356

43108018

Cover, Panel, WRS

357

43160599

Lead

Model Name

RBC-AX31U (W)-UL

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Summary of Contents for RAV-SP180CT-UL

Page 1: ... INVERTER 4 Way Air Discharge Cassette Type RAV SP180UT UL RAV SP240UT UL RAV SP300UT UL RAV SP360UT UL RAV SP420UT UL Under Ceiling Type RAV SP180CT UL RAV SP240CT UL RAV SP300CT UL RAV SP360CT UL RAV SP420CT UL High Wall Type RAV SP180KRT UL RAV SP240KRT UL PRINTED IN JAPAN Nov 2009 ToMo ...

Page 2: ...scharge Cassette Type 9 1 2 Under Ceiling Type 10 1 3 High Wall Type 11 2 CONSTRUCTION VIEWS EXTERNAL VIEWS 12 2 1 4 Way Air Discharge Cassette Type 12 2 2 Under Ceiling Type 15 2 3 High Wall Type 18 3 SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 20 3 1 4 Way Air Discharge Cassette Type Under Ceiling Type 20 3 2 High Wall Type 21 4 WIRING DIAGRAM 22 4 1 4 Way Air Discharge Cassette Type 22 4 2 Under Cei...

Page 3: ...ing High WallType 89 9 REPLACEMENT OF SERVICE P C BOARD 105 9 1 4 Way Air Discharge Cassette Type Under Ceiling Type 105 9 2 High Wall Type 110 10 SETUP AT LOCAL SITE AND OTHERS 116 10 1 4 Way Air Discharge Cassette Type Under Ceiling Type 116 10 2 High Wall Type 131 11 ADDRESS SETUP 139 11 1 Address Setup Procedure 139 11 2 Address Setup Group Control 140 11 3 Remote Controller Wiring 142 11 4 Ad...

Page 4: ...r work when an incorrect work has been executed Mark Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions Including danger warning The sentences or illustration ne...

Page 5: ...ed from one of the former R22 For an air conditioner which uses R410A never use other refrigerant than R410A For an air conditioner which uses other refrigerant R22 etc never use R410A If different types of refrigerant are mixed abnormal high pressure generates in the refrigerating cycle and an injury due to breakage may be caused Do not charge refrigerant additionally If charging refrigerant addi...

Page 6: ...t even if the refrigerant leaks If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused After repair work has finished check there is no trouble If check is ...

Page 7: ...o not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition ...

Page 8: ...serve also for R22 are necessary as the general tools 1 Vacuum pump Use vacuum pump by attaching vacuum pump adapter 7 Screwdriver 2 Torque wrench 8 Spanner or Monkey wrench 3 Pipe cutter 9 Hole core drill 4 Reamer 10 Hexagon wrench Opposite side 4mm 5 Pipe bender 11 Tape measure 6 Level vial 12 Metal saw Also prepare the following equipments for other installation method and run check 1 Clamp met...

Page 9: ...or Weight Gross Net lbs Sound Pressure dBa H M L at Different Speeds Air flow DRY CFM H M L Model name RBC Width in Grill Dimensions Height in Length in Weight Gross Net lbs Appearance Munsell symbol 018 024 030 036 042 SP180AT2 UL SP240AT2 UL SP300AT2 UL SP360AT2 UL SP420AT2 UL SP180UT UL SP240UT UL SP300UT UL SP360UT UL SP420UT UL 19000 25000 32000 36400 40500 20 50 20 70 21 00 21 00 19 00 10 7 ...

Page 10: ... Breaker A Fuse Rating 2 Width in Dimensions Height in Length in Indoor Weight Gross Net lbs Appearance Munsell symbol Sound Pressure dBa H M L at Different Speeds Air flow DRY CFM H M L 018 024 030 036 042 SP180AT2 UL SP240AT2 UL SP300AT2 UL SP360AT2 UL SP420AT2 UL SP180CT UL SP240CT UL SP300CT UL SP360CT UL SP420CT UL 17000 23600 30000 36000 41000 17 00 19 50 20 60 20 40 18 80 8 6 9 0 13 0 12 0 ...

Page 11: ...al Cooling Running Current A Heating Running Current A Maximum Running Current Amps A Breaker A Fuse Rating 2 Width in Dimensions Height in Length in Indoor Weight Gross Net lbs Appearance Munsell symbol Sound Pressure at Different Speeds dBa Air flow DRY CFM H M L 018 024 RAV SP180AT2 UL RAV SP240AT2 UL RAV SP180KRT UL RAV SP240KRT UL 18000 25000 19 5 16 7 10 0 9 1 19000 26400 11 5 9 8 23 to 109 ...

Page 12: ...box is installed make check port B at the side of the fresh air inlet box Hole for power supply cable Hole for remote controller wires Ceiling bottom surface Indoor unit Ceiling bottom surface Conduit hole Knockout Be sure to set a check port A at the position of the figure below Check port B 17 7 450 Check port A 17 7 450 7 9 200 7 9 200 Drain up standing up size Refrigerant pipe connecting port ...

Page 13: ...e Ceilng panel Knockout for simple OA For Ø3 9 100 Indoor unit 6 1 1 5 5 7 4 1 8 7 2 5 6 4 1 3 3 2 2 2 5 7 2 4 6 1 1 1 2 8 5 Z view 33 9 to 35 8 860 to 910 Ceiling open dimension 39 4 1000 or more 12 0 306 15 6 397 5 13 3 337 5 9 5 241 5 2 8 72 4 1 105 4 2 106 5 11 1 281 9 9 251 2 0 50 Stand up 26 0 661 or less Stand up 33 5 850 or less 1 6 40 2 3 58 4 4 112 6 8 172 1 7 42 3 0 77 4 1 105 2 9 74 1 ...

Page 14: ...m surface Ceilng panel Knockout for simple OA For Ø3 9 100 Indoor unit 6 1 1 5 5 7 4 1 8 7 2 5 6 4 1 3 3 2 2 2 5 7 2 4 6 1 1 1 2 8 5 Z view Z 33 9 to 35 8 860 to 910 Ceiling open dimension 39 4 1000 or more 12 0 306 15 6 397 5 13 3 337 5 9 5 241 5 2 8 72 4 1 105 4 2 106 5 11 1 281 9 9 251 2 0 50 Stand up 26 0 661 or less Stand up 33 5 850 or less 1 6 40 2 3 58 4 4 112 6 8 172 1 7 42 3 0 77 4 1 105...

Page 15: ... draw out port Knockout Hole for remote controller wires Knockout Conduit hole Hole for power supply cable knockout Left drain size Refrigerant pipe connecting port Ø1 2 12 7 Gas side Refrigerant pipe connecting port Ø1 4 6 4 Liquid side Drain pipe connecting port Hanging position 12 6 320 Hanging position 6 7 170 Hanging bolt Ceiling surface Unit Within 2 0 50 8 5 216 33 7 855 35 8 910 1 5 39 3 3...

Page 16: ...rt Knockout Hole for remote controller wires Knockout Conduit hole Hole for power supply cable knockout Left drain size Drain pipe connecting port Hanging position 12 6 320 6 7 170 Hanging bolt Ceiling surface Unit Within 2 0 50 8 5 216 44 3 1125 Hanging position 46 5 1180 1 5 39 3 3 84 2 0 52 2 0 50 5 3 135 12 4 316 8 3 210 6 6 167 4 1 105 10 3 262 7 8 197 3 3 84 1 2 31 3 6 92 1 3 32 3 5 90 5 6 1...

Page 17: ...ipe draw out port Knockout Hole for remote controller wires Knockout Conduit hole Hole for power supply cable knockout Left drain size Drain pipe connecting port Hanging position 12 6 320 6 7 170 Hanging bolt Ceiling surface Unit Within 2 0 50 8 5 216 60 6 1540 Hanging position 62 8 1595 1 5 39 3 3 84 2 0 52 2 0 50 5 3 135 12 4 316 8 3 210 6 6 167 4 1 105 10 3 262 7 8 197 3 3 84 1 2 31 3 6 92 1 3 ...

Page 18: ...8 5 215 9 3 235 9 3 235 0 9 23 5 2 132 30 9 786 5 2 132 1 6 40 12 6 316 1 6 40 1 9 47 8 5 215 5 10 3 262 5 10 3 262 5 6 0 153 5 4 3 109 Hanger Hanger Hanger Center line Instrallation plate outline Space required for installation and servicing B C A C 6 7 170 or more 33 5 850 or more B For exchange of cross flow fan 2 0 50 or more A Distance Comments Knock out system Knock out system Knock out syst...

Page 19: ...3 235 9 3 235 0 9 23 5 2 132 30 9 786 5 2 132 1 6 40 12 6 316 1 6 40 1 9 47 8 5 215 5 10 3 262 5 10 3 262 5 6 0 153 5 4 3 109 Hanger Hanger Hanger Center line Instrallation plate outline Space required for installation and servicing B C A C 6 7 170 or more 33 5 850 or more B For exchange of cross flow fan 2 0 50 or more A Distance Comments Knock out system Knock out system Knock out system 1 6 40 ...

Page 20: ...nsor Air heat exchanger To outdoor unit To outdoor unit 3 SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3 1 4 Way Air Discharge Cassette Type Under Ceiling Type Single type Combination of 1 indoor unit and 1 outdoor unit Dimension table Indoor unit RAV SP180 RAV SP240 300 360 420 type Outer diameter of refrigerant pipe In mm Gas side ØA Liquid side ØB 1 2 12 7 1 4 6 4 5 8 15 9 3 8 9 5 ...

Page 21: ... dia ØB Refrigerant pipe at gas side Outer dia ØA Distributor Strainer incorporated Heating Cooling TCJ sensor TC sensor Air heat exchanger To outdoor unit To outdoor unit Dimension table Indoor unit RAV SP180KRT UL RAV SP240KRT UL Outer diameter of refrigerant pipe In mm Gas side ØA Liquid side ØB 1 2 12 7 1 4 6 4 5 8 15 9 3 8 9 5 ...

Page 22: ...ired Renote Controller RED BLU WHI BLK RED Fuse F01 T6 3A 250V Fuse F02 T3 15A 250V Motor drive circuit CN67 BLK CN66 WHI CN41 BLU CN309 YEL CN61 YEL T10 Fan Draive CN32 WHI CN333 WHI FM CN334 WHI CN510 WHI CN504 WHI DM LM4 LM2 LM3 LM1 CN34 RED CN60 WHI CN50 WHI CN70 WHI CN71 TA FS TCJ TC CHK CN72 DISP CN73 RED EXCT CN80 GRN CN508 RED CN519 WHI CN101 BLK CN102 RED SW501 High Wall Setting CN104 YEL...

Page 23: ...GRY PNK GRN WHI BRW ORN YEL BLACK BLUE RED GRAY PINK GREEN WHITE BROWN ORANGE YELLOW Symbol DP TA TC TCJ RY302 CX Parts Name Drain pump motor Indoor temp sansor Temp sensor Temp sensor Drain control relay Capacitor Drain Pump Sold Separately Float Switch Sold Separately Float switch Control P C board for Indoor Unit MCC 1402 Fan drive ...

Page 24: ...C7V DC12V DC15V BLK WHI 2 ADAPTER FOR WIRELESS REMOTE CONTROLLER Standalone Receiver Type 1 2 BLK BLK 1 2 BLK BLK 2 1 2 1 HEAT EXCHANGER SENSOR TCJ THERMO SENSOR TA CN001 WHI LOW VOLTAGE BLK BLK 1 TF 3 HEAT EXCHANGER SENSOR TC BLU WHI BLK 2 2 3 1 1 2 3 U4 A B WIRED REMOTE CONTROLLER HBS BRW BROWN RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE GRN YEL GREEN YELLOW GRN ...

Page 25: ... name Fan motor Thermo sensor TA sensor Heat exchanger sensor TCJ sensor Heat exchanger sensor TC sensor Float switch Drain pump motor Specifications Output Rated 150 W 10 kΩ at 77 F 25 C 10 kΩ at 77 F 25 C 10 kΩ at 77 F 25 C 5 2 Under CeilingType RAV SP180CT UL RAV SP240CT UL RAV SP300CT UL RAV SP360CT UL RAV SP420CT UL No 1 2 3 4 5 6 7 8 Parts name Fan motor SP180CT UL Fan motor SP240CT UL Fan m...

Page 26: ...Ø6 800mm Ø6 800mm Specications Output Rated 30W 340V DC Output Rated 1W 16 poles DC 10kΩ at 77 F 25 C 10kΩ at 77 F 25 C 10kΩ at 77 F 25 C n Name of Each Part Earth screw Earth screws are provided in the electric parts box Air outlet Louver Change the direction of the air to be discharged according to cool heat mode Air inlet grille Air in the room is sucked from here Air filter Removes dirt or dus...

Page 27: ... in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a la...

Page 28: ...re that water or dust does not enter the pipe interior that no other oil other than lubricating oils used in the installed air conditioner is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare Processing P...

Page 29: ... 0 1 5 0 06 0 08 1 5 2 0 0 04 0 06 1 0 1 5 0 06 0 08 1 5 2 0 0 04 0 06 1 0 1 5 0 08 0 10 2 0 2 5 0 04 0 06 1 0 1 5 0 08 0 10 2 0 2 5 Table 6 2 4 Flare and flare nut dimensions for R410A Table 6 2 5 Flare and flare nut dimensions for R22 A In mm Outer diameter In mm 1 4 6 4 3 8 9 5 1 2 12 7 5 8 15 9 Thickness In mm 0 03 0 8 0 03 0 8 0 03 0 8 0 04 1 0 Dimension In mm A B C D 0 36 9 1 0 36 9 2 0 26 6...

Page 30: ...ally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tightening torque comply with values designated by manufacturers Table 6 2 6 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate...

Page 31: ...gerant in the cycle When the compound gauge s pointer has indicated 101 kpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Keep the status as it is for 1 to 2 minutes and ensure that the compound gauge s pointer does not return Set the refrigerant cylinder to the electronic balance connect the connecting hose to the cylinder and the connecting...

Page 32: ...it for refrigerant pipes 1 Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas leakage Therefore use any other type of brazing filler at a hot spring resort etc and coat the surface with a paint 2 When performing brazing again at time of servicing use the same type of brazing filler 6 5 2 Flux 1 Reason why flux is necessary ...

Page 33: ... Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 6 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occu...

Page 34: ... B A B A B Same as left 2 2 Follower DC5V DC5V Indoor unit 1 Header Indoor control P C board Louver motor Separately sold parts for ceiling type Drain pump Indoor fan motor MCU Driver Humidifier output DC12V DC5V DC20V Outside output Remote controller communication circuit Display LCD Function setup Key switch CN2 CN1 3 MCU Display LED LCD driver MCU Remote controller communication circuit Functio...

Page 35: ...motor Drain pump Indoor fan motor MCU Driver Humidifier output DC12V DC5V DC20V A B Outside output Remote controller communication circuit Receive circuit Function setup SW Grille up down SW MCU Buzzer Display LED DC5V Temporary operation SW Power circuit Remote controller communication circuit Power circuit DC280V Fan motor control circuit MCU EEPROM TA sensor TC sensor TCJ sensor Float input HA ...

Page 36: ...5V Indoor unit 1 Header Indoor control P C board Louver motor Drain pump Indoor fan motor MCU Driver Humidifier output DC12V DC5V DC20V Outside output Remote controller communication circuit Display LCD Function setup Key switch CN2 CN1 3 MCU Display LED Display LCD LCD driver MCU Power circuit Remote controller communication circuit Function setup Key switch Power circuit DC280V Fan motor control...

Page 37: ...tely Louver motor Indoor fan motor CPU H8 3039 Driver Buzzer DC5V DC12V DC20V Outside output Remote controller communication circuit Display LCD Function setup Key switch CN2 CN1 2 CPU Display LED LCD driver CPU Central control communication circuit Remote controller communication circuit Display LED Receiver unit Driver Function setup Key switch Power circuit Power circuit DC280V DC15V Fan motor ...

Page 38: ... MCC 5044 Louver motor Indoor fan motor CPU H8 3039 Driver Buzzer DC5V DC12V DC20V Outside output Central control communication circuit Remote controller communication circuit Display LED Receiver unit Driver Power circuit DC280V DC15V Fan motor control circuit EEPROM TA sensor TC sensor TCJ sensor HA Run Warning Defrost Thermo ON COOL HEAT FAN Serial send receive circuit Wireless remote signal se...

Page 39: ...te controller command STOP FAN COOL DRY HEAT AUTO Control outline Air conditioner stops Fan operation Cooling operation Dry operation Heating operation COOL HEAT operation mode is automatically selected by Ta Ts and To for operation The operation is performed as shown in the following figure according to Ta value at the first time only In the range of Ts α 1 Ta Ts α 1 Cooling thermo OFF Fan Setup ...

Page 40: ...the varied room temperature value are calculated to obtain the correction value of the frequency command and then the present frequency command is corrected Ts n Ta n Room temp difference n Counts of detection Ta n Ta n 1 Varied room temp value n 1 Counts of detection of 1 minute before 4 Dry operation The frequency correction control is same as those of the cooling operation However the maximum f...

Page 41: ...speed changes When cooling operation has started select a downward slope for the fan speed that is the high position If the temperature is just on the difference boundary the fan speed does not change Mode in the parentheses indicates one in automatic cooling operation HEAT Value in the parentheses indicates one when thermostat of the remote controller works Value without parentheses indicates one...

Page 42: ...9 FA FB FC FD Standard Type 1 Type 3 Type 6 0 1 3 6 OFF OFF ON OFF OFF ON ON ON HEAT COOL HEAT COOL HEAT COOL HEAT COOL HH HH HH HH HH HH H H H H H H H H H L L L L H HH H HH H L L H H L L H L H L L L L L L L UL UL UL UL Remarks Selection of high ceiling type CODE No 5d or selection of high ceiling on P C board SW501 However only when the high ceiling selection is set to Standard Self clean is disp...

Page 43: ...anded frequency changes every 30 seconds while operation is performed in J zone In K zone time counting is interrupted and the operation is held When I zone is detected the timer is cleared and the operation returns to the normal operation If the commanded frequency becomes S0 because the operation continues in J zone the return temperature A is raised from 41 F 5 C to 53 6 F 12 C until I zone is ...

Page 44: ...cj 86 F 30 C at start of the operation or after operation start temperature is controlled between values in parentheses of A and B 1 In cooling operation including Dry operation the drain pump is usually operated 2 If the float switch works while drain pump drives the compressor stops the drain pump continues the operation and a check code is output 3 If the float switch works while drain pump sto...

Page 45: ...automatically set to horizontal discharge position when PRE HEAT Heating ready is displayed heating thermo is off or self cleaning is performed Individual air direction setup Pushing UNIT LOUVER Louver select button enables every discharge port to set up the air direction In case of no input key operation for approx 5 seconds during setting of individual air direction during displaying of louver N...

Page 46: ...f the swing modes can be also selected and set by the SET DATA of CODE No DN F0 In case of selecting the Swing mode Dual swing or Cycle swing the following numerals is displayed at the center of the remote controller screen for approx 3 seconds when SWING FIX button was pushed to select SWING No display for the standard swing Louver lock Louver fix For the air direction setup for each discharge po...

Page 47: ...o 10 1 1 How to set louver lock It is position check operation and it does not link with the real louver and air direc tion setup Illustration on the remote control ler screen For under ceiling type only 1 Louver position setup When the louver position is changed the position moves necessarily to downward discharge position once to return to the set position The louver position can be set up in th...

Page 48: ... provided on the separately sold type TCB AX21UL In case of wired remote controller 1 When pushing CHK button for 4 seconds or more TEST is displayed on the display screen and the mode enters in Test run mode 2 Push ON OFF button 3 Using MODE button set the mode to COOL or HEAT Do not use other mode than COOL HEAT mode During test run operation the temperature cannot be adjusted An error is detect...

Page 49: ...door unit side Stop status is held 1 Selecting AUTO mode enables an energy saving to be operated 2 The setup temperature is shifted corrected in the range not to lose the comfort ability accord ing to input values of various sensors 3 Data Input value room temp Ta Outside temp To Air volume Indoor heat exchanger sensor temp Tc for 20 minutes are taken the average to calculate correction value of t...

Page 50: ...use of the self clean operation by changing 0001 At shipment of CODE No DN D3 to 0000 To erase the display during operation of self clean change CODE No D4 from 0000 Display At shipment to 0001 Non display 1 Turn on SAVE button on the remote controller 2 During operation of save operation SAVE lights on the wired remote controller 3 During save operation the current release control is performed wi...

Page 51: ...P button Air conditioner stops Heating 64 F 18 C operation at the next start S Push MODE Other operation mode is selected and the operation continues 7 As the setup temperature is 46 F 8 C and the human heating is not targeted the cold air discharge preventive control Item 7 is made invalid to suppress the intermittent operation 8 The settings of the air direction and air volume are changeable dur...

Page 52: ...ne Air conditioner stops Fan operation Cooling operation Dry operation Heating operation COOL HEAT operation mode is automatically selected by Ta Ts and To for operation The operation is performed as shown in the following figure according to Ta value at the first time only In the range of Ts α 1 Ta Ts α 1 Cooling thermo OFF Fan Setup air volume operation continues α is corrected according to the ...

Page 53: ...uency command is corrected Ts n Ta n Room temp difference n Counts of detection Ta n Ta n 1 Varied room temp value n 1 Counts of detection of 1 minute before 4 Dry operation The frequency correction control is same as those of the cooling operation However the maximum frequency is limited to approximately S6 Note When LOW is set up the maximum frequency is limited to approximately SB 1 The judgmen...

Page 54: ...operation has started select a downward slope for the fan speed that is the high position If the temperature is just on the difference boundary the fan speed does not change Mode in the parentheses indicates one in automatic cooling operation HEAT Value in the parentheses indicates one when thermostat of the remote controller works Value without parentheses indicates one when thermostat of the bod...

Page 55: ...ating COOL HH H H L L UL HEAT HH H H L L UL Remarks SP180 1080 1080 1020 1000 980 980 940 900 500 SP240 1200 1180 1080 1020 980 980 940 900 500 PRE HEAT indication 7 Cool air discharge preventive control 1 In heating operation the indoor fan is controlled based on the detected temperature of Tc sensor or Tcj sensor As shown below the upper limit of the revolution frequency is restricted However B ...

Page 56: ...onditions are satisfied However the temperature for J zone dashing control is changed from 35 6 F 2 C to 23 F 5 C Conditions When Q or R is established 5 minutes after activation Q Tcn Tc n 1 5 R Tcn Tc n 1 1 and Tcn Ta 41 F 5 C Remarks Tcj Indoor heat exchanger sensor temperature Tcn Tc temperature when 5 minutes elapsed after activation Tc n 1 Tc temperature at start time 9 High temp release con...

Page 57: ...osition setting Louver position can be set within the range below COOL DRY HEAT FAN 4 Swing setting Louver moves within the range beloW All operation modes 5 When air conditioner opration stops louver closes automatically It keeps its position in the event of an alarm 6 Louver tilts upward automatically during preparation for heating Full close 0 Alarm A code number except F08 and L31 appears on t...

Page 58: ...mote controller when the specified time 150H has passed and it is displayed on LCD 2 When the filter reset signal has been received from the remote controller time of the calculation timer is cleared In this case the measurement time is reset if the specified time has passed and display on LCD disappears No display CENTER goes on CENTER goes on In a case of wireless type the display lamp does not ...

Page 59: ...eration mode It is controlled according to the following figure if To 82 4 F 28 C Remarks 3 HEAT operation mode It is controlled according to the following figure if To 59 F 15 C 18 DC motor 1 When the fan operation has started positioning of the stator and the rotor are performed Moves slightly with tap sound 2 The motor operates according to the command from the indoor controller Notes When the ...

Page 60: ...0000 None 0001 At shipment 1 This function is intended for the cold latitudes and performs objective heating operation 46 F 8 C heating operation 2 This function is valid only for combination with the outdoor units 3 Using the indoor CODE No D1 1 bit Valid Invalid of this function is set up at the customer s side The setup by CODE No is Invalid 0 Valid 1 and Invalid 0 has been set at the shipment ...

Page 61: ...the operation suppression zone where capacity is kept to the minimum overcooling is prevented by raising the temperature setting by 1 8 F 1 C after 1 hour and by 3 6 F 2 C after 2 hours of operation The room temperature is thus regulated between the operation suppression zone and the set temperature When the OFF timer is simultaneously set 1 3 5 and 9 hours appear by turns every pushing COMFORT SL...

Page 62: ...ing memorized by the PRESET button 1 Push the PRESET button briefly The setting memorized will be indicated and the air conditioner operates with regards to the setting The lamp green on the display panel of the indoor unit goes on and operation starts after approximately 3 minutes Initial setting MODE AUTO Temperature 71 F 22 C Remarks display 26 When you push the QUIET button during cooling heat...

Page 63: ...llow TCC LINK adapter CN50 White DC12V 5V Indoor Outdoor inter unit wire CN67 Black AC230V Optional power supply CN309 Yellow AC230V DC fan return CN334 White HA T10 CN61 Yellow DC12V Serial receive LED D14 Orange Serial send LED D15 Green Sub bus communication LED D504 Green Micro computer operation LED D501 Red Optional output CN60 White DC12 Fan drive CN32 White DC12V TC sensor CN101 Black DC5V...

Page 64: ... Static input selection Permission Prohibition of remote controller operation stop is performed by input Operation ON Answer back of HA Warning output ON ON when outdoor unit is defrosted ON when real thermostat is ON Compressor ON ON when operation mode is cooling system COOL DRY Cooling Heating automatic cooling ON when operation mode is heating system HEAT Cooling Heating automatic heating ON w...

Page 65: ...te Type Under ceiling type Fan output Optional output TC sensor HA T10 CHK DISP TA sensor Remote controller inter unit wire EXCT Used for servicing TCJ sensor 1 Drain pump output Remote controller power supply LED Optional power supply Indoor Outdoor inter unit wire Filter Option error input EEPROM Connection interface Microcomputer operation LED ...

Page 66: ...en operation mode is in cooling system COOL DRY COOL in AUTO cooling heating ON when operation mode is in heating system HEAT HEAT in AUTO cooling heating ON during indoor fan ON Air purifier is used Interlock cable When continued for 1 minute Check code L30 is output and forced operation stops Option error input is controlled Protective operation for device attached to outside is displayed Settin...

Page 67: ... TA sensor CN104 DC 5V Remote controller CN41 DC 20V Fan drive CN32 DC 12V Louver CN33 DC 20V DC fan input output CN210 Terminator resistor provided not provided Remote controller A B switch SW01 Display output Wireless sensor CN213 DC 5V Option power supply CN309 AC 200V Central control CN40 DC 5V TCJ sensor CN102 DC 5V Microcomputer operation LED D02 TC sensor CN101 DC 5V EEPROM IC10 Inter unit ...

Page 68: ...f single operation by FAN button on remote controller is executed from remote controller DN 31 HA Start Stop input J01 Provided Not provided Pulse At shipment from factory Static input switch Operation stop of handy remote controller is permitted prohibited by input ON during operation Answer back of HA ON during output of alarm ON during defrosting of outdoor unit ON when Real thermo ON Comp ON O...

Page 69: ... in heating operation Does not outside low temperature operation control work in cooling operation Is not defrost operation performed 4 ON OFF operation cannot be performed from remote controller Is not the control operation performed from outside remote side Is not automatic address being set up When the power is turned on at the first time or when indoor unit address setting is changed the opera...

Page 70: ...er Is not forced operation performed Is not the control operation performed from outside remote side Is not automatic address being set up Is not being carried out a test run by operation of the outdoor controller b Did you return the wiring to the initial positions c Are connecting wires between indoor unit and receiving unit correct 2 Troubleshooting procedure When the power is turned on at the ...

Page 71: ...e Power supply OFF or miswiring between receiving unit and indoor unit Receiving error Receiving unit Miswiring or wire connection error Sending error Communication stop between receiving unit and indoor unit Duplicated indoor unit No Setup error Duplicated master units of remote controller Communication error between CPUs on indoor unit P C board Wire connection error between indoor units Indoor ...

Page 72: ...TA error Discharge temp sensor TD error Temp sensor TE error Temp sensor TL error Temp sensor TO error Sensor error of outdoor unit 1 Temp sensor TS error Temp sensor TH error Temp Sensor miswiring TE TS Indoor EEPROM error Outdoor EEPROM error Compressor break down Compressor lock Current detection circuit error Outdoor compressor system error 1 Case thermostat worked Outdoor unit low pressure sy...

Page 73: ...amp indication Operation Timer Ready Simultaneous flash Operation Timer Ready Alternate flash Check code Cause of trouble occurrence During test run Disagreement of cool heat Automatic cool heat setting to automatic cool heat prohibited model ...

Page 74: ...ndividual indoor unit Indoor group address is unset Capacity of indoor unit is unset Duplicated setting of central control system address Abnormal stop by outside error CN80 input An error of indoor AC fan was detected Fan motor thermal relay worked Float switch worked Indoor DC fan error Over current Lock etc was detected In heating operation an error was detected by temp down of indoor heat exch...

Page 75: ...d Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measures 1 Check cable...

Page 76: ...side Status of air conditioner Stop Stop Automatic reset If center exists operation continues Stop Automatic reset If center exists operation continues Stop Sub unit continues operation Stop Automatic reset Continues By remote controller Continuation Stop According to each case Condition Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed wh...

Page 77: ...s detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is de...

Page 78: ...ve 3 Check discharge temp sensor TD 1 Check case thermostat and connector 2 Check gas leak recharge 3 Check full open of service valve 4 Check PMV Pulse Motor Valve 5 Check broken pipe Check full open of service valve Check outdoor fan error Check outdoor fan motor error Check clogging of outdoor PMV Check loading of indoor outdoor heat exchangers Short circuit of outdoor discharge suction air Che...

Page 79: ... disconnection or contact error of connector on harness from terminal block of indoor unit Check power connection of indoor unit Turn on power again Check indoor P C board Defect Replace Check remote controller P C board Defect Replace Correct as a header unit and a follower unit Check remote controller P C board Defect Replace Correct a header unit a follower unit Remote controller address connec...

Page 80: ...res correct Are wirings of terminal blocks 1 2 3 wired to CN04 normal Does D502 Orange LED flash after power supply turned on again Check indoor P C board Defect Replace Check outdoor P C board Defect Replace Check indoor P C board Defect Replace Correct wiring of connector and terminal blocks Correct wiring and inter unit wires Check CODE No 14 YES YES YES YES YES NO NO NO NO NO ...

Page 81: ...es normal Are connections from connectors of inter terminal blocks 1 2 3 of indoor outdoor units normal Does voltage between 2 and 3 of inter terminal blocks 1 2 3 of indoor unit vary Check indoor P C board MCC 1402 Defect Replace As shown in the following figure perform measurement within 20 seconds after power ON Black White 3 2 1 Inter terminal block S5277G NO NO NO NO NO YES YES YES YES YES NO...

Page 82: ... wire Serial signal line Check power connection status of indoor unit Connect again Correct connection of connector Check circuit wiring Correct inter unit wire of remote controller YES YES YES YES YES NO NO NO NO NO E18 error E08 L03 L07 L08 error E08 Duplicated indoor unit No L03 There are 2 or more header units in a group control L07 There is 1 or more group address Individual in a group contro...

Page 83: ...unit outdoor unit Are outside devices of connector CN80 connected Is there check code on wired remote controller and simple remote controller Check indoor P C board Defect Replace Check outside devices Defect Replace Check indoor P C board Defect Replace YES YES YES YES NO NO NO NO L30 error P30 error Central controller ...

Page 84: ...ide shorted Resistance value 0 Is connection of float switch connector Indoor control board CN34 normal Replace TA sensor Correct connection of connector Check the drain pipe etc Replace drain pump Check wiring Replace drain pump and indoor P C board Correct connection of connector Check indoor P C board Defect Replace Check and correct wiring and wire circuit YES YES YES YES YES YES YES YES NO NO...

Page 85: ...low SP180 SP240 Approx 70 to 100Ω SP300 SP360 SP420 4 Way Approx 27 to 40Ω Under Ceiling Approx 35 to 50Ω Is not grounded between cabinet and It should be 10MΩ or more 2 Resistance value confirmation of the fan motor position detection circuit Is not status between Yellow lead and Pink lead opened or shorted The resistance should be approx 5k to 20kΩ 3 Confirmation of the fan motor position detect...

Page 86: ...ristics 2 Replace TC sensor Check indoor P C board Defect Replace Correct connection of connector Are characteristics of TCJ sensor resistance value normal Is connection of TCJ sensor connector CN102 on Indoor P C board correct Refer to TCJ sensor Temperature Resistance value characteristic table Replace TCJ sensor Check indoor P C board Defect Replace YES YES YES YES NO NO NO NO F01 error ...

Page 87: ...ervice P C board When EEPROM was not inserted when power supply turned on or when the EEPROM data read write operation is impossible at all the automatic address mode is repeated In this time 97 error is displayed on the central controller P31 error Follower indoor unit When the header unit of a group operation detected E03 L03 L07 or L08 error the follower unit of the group operation detects P31 ...

Page 88: ...istance value cannot be measured Temperature F C 32 0 50 10 68 20 77 25 86 30 104 40 122 50 140 60 158 70 176 80 194 90 212 100 Resistance value kΩ Ω Ω Ω Ω Minimum value Standard value Maximum value 32 33 33 80 35 30 19 63 20 35 21 09 12 23 12 59 12 95 9 75 10 00 10 25 7 764 7 990 8 218 5 013 5 192 5 375 3 312 3 451 3 594 2 236 2 343 2 454 1 540 1 623 1 709 1 082 1 146 1 213 0 7740 0 8237 0 8761 0...

Page 89: ...iving error Receiving unit Miswiring or wire connection error Sending error Communication stop between receiving unit and indoor unit Duplicated indoor unit No Setup error Duplicated master units of remote controller Communication error between CPUs on indoor unit P C board Wire connection error between indoor units Indoor power OFF Communication stop between indoor master and follower or between ...

Page 90: ...mp sensor TD error Temp sensor TO error Sensor error of outdoor unit 1 Temp sensor TS error Heat sink sensor TH error Temp sensor miswiring TE TS Indoor EEPROM error Outdoor EEPROM error Compressor break down Outdoor compressor system error 1 Compressor lock Current detection circuit error Power supply outdoor P C board error Case thermostat worked Compressor overheat outdoor wiring error Duplicat...

Page 91: ...imer Operation Simultaneous flash Ready Timer Operation Alternate flash Check code Cause of trouble occurrence During test run Disagreement of cool heat Automatic cool heat setting to automatic cool heat prohibited model or setting of heating to cooling only model ...

Page 92: ...eration an error was detected by temp down of indoor heat exchanger sensor Follower unit in group cannot operate by warning from E03 L03 L07 L08 of master unit Air conditioner operation Automatic Operation reset continuation NOTE Even for the same contents of error such as communication error the display of check code may differ according to detection device When remote controller or central contr...

Page 93: ...or is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measures 1 Check cables of remote controller and communication adapters Remote controller LCD display OFF Disconnection Central remote controller 97 check code 1 Outdoor unit does not completely operate Inter unit wire check correction of miswiring Check outdoor P C board ...

Page 94: ...ntroller side Status of air conditioner Stop Stop Automatic reset If center exists operation continues Stop Automatic reset If center exists operation continues Stop Sub unit continues operation Stop Automatic reset Continues By remote controller Continuation Stop According to each case Condition Displayed when error is detected Displayed when error is detected Displayed when error is detected Dis...

Page 95: ...when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and m...

Page 96: ... detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measures 1 Check refrigerating cycle Gas leak 2 Trouble of electronic expansion valve 3 Check discharge temp sensor TD 1 Freezing cycle overload operation 2 Check outdoor heat exchange sensor TE 3 Check outdoor P C board 4 Check high pressure switch and circuit 1 Check power su...

Page 97: ...tion of indoor unit Turn on power again Check indoor P C board MCC 1570 Defect Replace Check remote controller P C board Defect Replace Correct as a header unit and a follower unit Check remote controller P C board Defect Replace Correct a header unit a follower unit Remote controller address connector Correct connection of connector Check circuit wiring Correct inter unit cable of remote controll...

Page 98: ...d across IPDU main circuit capacitor Replace IPDU Is case thermostat sensor connected CN500 Check and correct refrigerant volume Correct connector connection Check CODE No 14 Are L1 L2 S wires normal Correct wires Is 280V DC supplied to CDB CN03 Replace IPDU Does voltage between indoor unit terminal L2 and S fluctuate 0 140V DC Check MCC 1510 P C board Replace it if necessary Is 7V DC supplied to ...

Page 99: ...r connection status of indoor unit Connect again Correct connection of connector Check circuit wiring Correct switch setting on MCC 1510 P C board Correct inter unit cable of remote controller YES YES YES YES YES NO NO NO NO Is indoor unit switch SW02 setting corrent Bit 1 OFF Bit 2 OFF NO YES NO E18 error E08 L03 L07 L08 error E08 Duplicated indoor unit No L03 There are 2 or more master units in ...

Page 100: ...der one follower Wired remote controller address connector Check wired remote controller board Replace it if necessary Are A B wires normal Group control operation Are all indoor units powered ON Twin or triple control Improper harness connection from indoor unit terminal block Improper signal connection between indoor unit and outdoor unit Are 2 headers set by double wired remote controller Is in...

Page 101: ...ect Replace Check outside devices Defect Replace YES YES NO NO Is connection of TA sensor connector CN104 on indoor P C board correct Are characteristics of TA sensor resistance value normal Check indoor P C board MCC 1510 Defect Replace Refer to Characteristics 1 Replace TA sensor Correct connection of connector YES YES NO NO L30 error F10 error ...

Page 102: ...ith motor connected Is min 280V DC present between CN210 pin and Operate indoor unit except heating by remote controller Is min 1V DC present between CN210 pin and Measure within 15 seconds Rotate the fan by hand with operation OFF Is 0 to 15V DC rev return signal generated between CN210 pin and Operate indoor unit except heating by remote controller Is min 1V DC present between CN210 pin and Meas...

Page 103: ...the indoor unit P C board which generated during operation of the air conditioner Replace the service P C board When EEPROM was not inserted when power supply turned on or when the EEPROM data read write operation is impossible at all the automatic address mode is repeated In this time 97 error is displayed on the central controller P31 error Follower indoor unit When the header unit of a group op...

Page 104: ...50 Characteristic 1 Temperature F C Indoor TA sensor Resistance kΩ 50 0 100 150 200 5 0 10 15 20 4 20 22 30 14 10 32 0 50 10 68 20 86 30 104 40 122 50 140 60 158 70 176 80 194 90 212 100 Characteristic 2 Temperature F C Indoor TC sensors Resistance kΩ 50 F 10 C or lower Resistance kΩ 50 F 10 C or higher ...

Page 105: ... indoor unit No Group header unit follower unit settings and perform the cooling cycle confirmation through the trial operation Replacement procedures CASE 1 Before replacement the indoor unit can be turned on and the SET DATA can be read out by wired remote control operation EEPROM data read out 1 ò Replacement of P C board for Indoor unit servicing and power on 2 ò Writing the read out EEPROM da...

Page 106: ...oard to the P C board for indoor unit servicing At this time perform the same setting of the jumper wire J01 setting cut switch SW501 4 Way Air Discharge Cassette Type short circuit connector CN34 Under Ceiling Type as the setting of the P C board before replacement Step 2 According to the system configuration turn on the indoor unit following to the either methods shown below a Single operation I...

Page 107: ...f it has the louvers The unit No is displayed if the auto address setting mode is interrupted in 2 step 2 a Step 2 Every time when UNIT LOUVER button is pushed the indoor unit No in the group control operation are displayed in order The settings stored in the EEPROM of the P C board for indoor unit servicing are the factory set values Specify the indoor unit No with its P C board replaced to the P...

Page 108: ... and 7 Step 9 After the setting completes push TEST button to return to the normal stop status It takes approx 1 min until the remote controller operation is available again The CODE No DN are ranged from to The CODE No DN is not limited to be serial No Even after modifying the data wrongly and pushing SET button it is possible to return to the data before modification by pushing CL button if the ...

Page 109: ... SW Thermo output SW T10 Ventilation fan standalone Sensor SW Selection of static pressure Temperature display SW Humidifier control drain pump control High ceiling SW Timer setting wired remote controller Demand setting outdoor unit current demand Remote controller operation save function Rotation number of the self clean operation Frost protection function Swing mode Louver fixing position Flap ...

Page 110: ... is working correctly by test operation Replacement procedure CASE 1 Before replacement power of the indoor unit can be turned on and the setup data can be readout by the wired remote controller Read EEPROM data see H1 in Page 111 ò Replace service P C board power ON see H2 in Page 112 ò Write the read data to EEPROM see H3 in Page 114 ò Power reset If in group operation reset the power for all in...

Page 111: ... CODE No DN can be moved up and down one by one 3 4 First change the CODE No DN from to Setting of filter sign lighting time Make a note of the SET DATA displayed in this time 5 Next change the CODE No DN using the set temperature buttons Also make a note of the SET DATA 6 Repeat item 5 and made a note of the important SET DATA as shown in the below table to are provided in the CODE No DN On the w...

Page 112: ...hen proceed to H3 2 In case of group operation Turn on power of the indoor unit of which P C board has been replaced with the service P C board with any method in the following items A Turn on power of the replaced indoor unit only However the remote controller is also connected Otherwise H3 operation cannot be performed Same as A and B in item 1 B Turn on power of the multiple indoor units includ...

Page 113: ...it 1 Bit 2 SW02 Bit 1 Bit 2 Selected content Terminator resistor for central control Remote controller A B selection Custom Multi model selection No use RAV SP KRT UL series 1 1 OFF OFF At shipment OFF Without terminator OFF A selection OFF Custom model OFF DIP switch SW01 SW02 EEPROM IC10 MCC 1510 SW01 IC10 2 1 ON SW02 ON J01 1 2 ...

Page 114: ... No DN 2 Setup of lighting time of filter sign 6 The contents of the displayed SET DATA in this time should be agreed with the contents in the previous memorandum in H1 1 If data disagree change the displayed SET DATA to that in the previous memorandum by the timer time buttons and then push SET button OK when the display goes on 2 There is nothing to do when data agrees 7 Using the set temperatur...

Page 115: ... of automatic cooling heating selecting control points Auto restart Option input selection CN80 Thermo output selection T10 Input selection T10 Sensor selection Timer set Wired remote controller Louver selection of cooling Memo Be sure to set as 0008 At shipment 0001 150 hour 0000 Standard 0099 Unfixed 0002 3 6 F 2 C 0000 Standard 0001 No auto mode Automatic selection by cooling heating connected ...

Page 116: ...lay has gone off To prevent a continuous test run operation 60 minutes timer release function is provided to this remote controller Wireless remote controller 4 way Air Discharge Cassette Type only 1 Turn off power of the unit Remove the adjuster attached with sensors from the ceiling panel For removing refer to the Installation manual attached to the ceiling panel Be careful to handle the adjuste...

Page 117: ...ration Receiver unit M4 25 screw 2 pieces Small screw Spacer Notch Nameplate Under Ceiling Type only 1 Turn off power of the air conditioner Remove the adjust corner cap attached with sensor section from the ceiling panel For removing method follow to the installation manual attached to the ceiling panel Be careful to handle the sensor section because cables are connected to the sensor section Rem...

Page 118: ...T with Mode button Then change the fan speed to High using Fan button Test cooling operation Test heating operation Set temperature to 64 F 18 C using Set temperature to 86 F 30 C using Temperature set button Temperature set button After checking the receiving sound Pi After checking the receiving sound Pi immediately push Temperature set button to immediately push Temperature set button to set to...

Page 119: ...eration was executed once setting of the above forced defrost operation is cleared 10 1 3 LED Display on P C Board 1 D501 Red 4 Way Air Discharge Cassette D02 Red Under Ceiling It goes on Goes on by operation of the main microcomputer at the same time when the power supply is turned on It flashes with 1 second interval every 0 5 second When there is no EEPROM or writing in operation fails It flash...

Page 120: ...control is displayed one after the other In this time fan and louver of the selected indoor unit only operate ò 3 Using the set temperature TEMP buttons specify the CODE No DN ò 4 Using the timer time TIME buttons select the SET DATA ò 5 Push SET button OK if indication lights To change the selected indoor unit proceed to Procedure 2 To change item to be set up proceed to Procedure 3 ò 6 Pushing T...

Page 121: ...rge cassette 0007 Under ceiling 0000 Undecided 0001 to 0034 0001 No 1 unit to 0030 No 30 unit 0001 No 1 unit to 0064 No 64 unit 0000 Individual 0001 Header unit in group 0002 Follower unit in group 0000 No louver model 0001 Swing only 0002 1 way 0003 2 way 0004 4 way 0000 0 deg to 0010 10 deg Cool heat are reversed with Data value 2 against the set temperature 0000 None 0001 Provided 0000 Filter i...

Page 122: ... 50 to 0100 100 0000 No Clean operation is performed in case of stop by HA input HA operation output OFF during clean operation in case of stop by remote controller 0001 Yes Clean operation is not performed in case of stop by HA input HA operation output ON during clean operation in case of stop by remote controller The air conditioner stops including fire alarm such as remote monitor system while...

Page 123: ... controllers are connectable When connected 2 remote controllers operate an indoor unit Wireless remote controller How to set wireless remote controller to sub remote controller Change OFF of Bit 3 Remote controller Master Sub of switch S003 to ON In case of 4 way Discharge Cassette Type Replace OFF with ON of the Bit SW Remote controller Master Sub In case of Under Ceiling Type How to set wireles...

Page 124: ...s displayed at first and then the temperature of CODE No is displayed ò 2 Push temperature set TEMP buttons and then change the CODE No of data to be monitored The CODE No list is shown below Operation procedure 1 2 3 4 Returned to usual display 2 4 1 3 SET TIME TIMER SET TEST FILTER RESET TEMP CL FAN SAVE SWING FIX VENT MODE ON OFF UNIT LOUVER Indoor unit data CODE No 01 02 03 04 07 F2 F3 F8 Data...

Page 125: ...nit controls room temperature according to setting on the remote controller System example 1 Display range on remote controller The setup range Operation mode Air volume select Setup temp of the indoor unit which was set to the header unit is reflected on the remote controller 2 Address setup Turn on power of the indoor unit to be controlled in a group within 3 minutes after setting of automatic a...

Page 126: ...hen address is OK Approx 50 seconds 2 In AUTO address Approx 4 to 5 minutes Normal Gr normal 1 There is no duplicated indoor unit address 2 There is no invalid indoor unit address 3 Individual unit and header follower units are not intermingled 4 Only a unit for individual 5 A header indoor unit and 1 or more follower indoor units for Gr Automatic address judgment Initial communication Usual regul...

Page 127: ... 0000 Louver may cause a trouble 4 Push SET 5 Push TEST to finish the setup Standard swing Four louvers swing simultaneously with the same angel The fan of the selected unit rotates and the louver swings 3 Using TIMER SET buttons select type of the swing Swing setup code 0001 0002 0003 Louver operation Standard swing At shipment Dual swing Cycle swing Dual swing Recommended for heating operation T...

Page 128: ...rom 1 to 3 5 and 6 are same as those of the louver lock 10 1 12 How to set contents of save operation 1 Push SAVE for 4 seconds or more during stop of the operation flashes 2 Push UNIT LOUVER At the left side of the button and select the unit to be set Every pushing the button the unit No changes The fan of the selected unit rotates and the louver swings 3 Determine the capacity restricted value w...

Page 129: ... flashing to lit the setup is completed To change settings of another indoor unit repeat from Procedure 2 To change other settings of the selected indoor unit repeat from Procedure 3 Use SET button to clear the settings To make settings after SET button was pushed repeat from Procedure 2 Procedure 6 When settings have been completed push TEST button to determine the settings When TEST button is pu...

Page 130: ...indoor microcomputer P C board However once the setting is changed setting to 0001 or 0003 is possible but setting to 0000 requires a SET DATA change to 0000 using the wired remote controller separately sold with the normal switch setting factory setting To restore the factory settings To return the DIP switch settings to the factory settings set SW501 1 and SW501 2 to OFF connect a separately sol...

Page 131: ...EST on LC display has gone off To prevent a continuous test run operation 60 minutes timer release function is provided to this remote controller Checking wiring and piping of indoor outdoor units 1 Open the front panel of the indoor unit 2 Push TEMPORARY button for 10 seconds The unit enters forcible cooling mode with a sound pi COOL operation starts forcibly about 3 minutes later Check whether c...

Page 132: ...l operation Push ON OFF ON OFF Key Select the HEAT mode After while the forced defrost signal is sent to the outdoor unit and then the outdoor unit starts defrost operation The forced defrost operation is performed for Max 12 minutes After defrost operation finished the operation returns to the heating operation To execute the defrost operation again start procedure from above item 1 If the forced...

Page 133: ...in the group control is displayed one after the other In this time fan and louver of the selected indoor unit only operate ò 3 Using the set temperature TEMP buttons specify the CODE No DN ò 4 Using the timer time TIME buttons select the SET DATA ò 5 Push SET button OK if indication lights To change the selected indoor unit proceed to Procedure 2 To change CODE No to be set up proceed to Procedure...

Page 134: ...7 Under ceiling 0008 High wall 0000 Undecided 0001 to 0034 0001 No 1 unit to 0030 No 30 unit 0001 No 1 unit to 0064 No 64 unit 0000 Individual 0001 Master unit in group 0002 Follower unit in group 0000 0 deg to 0010 10 deg Cool heat are reversed with Data value 2 against the set temperature 0000 None 0001 Provided 0000 Filter input 0001 Alarm input 0002 External alarm input Air cleaner etc 0000 In...

Page 135: ...ub remote controller Terminal block for remote controller wires Remote controller wires Procured locally Indoor unit Outdoor unit Remote controller switch Sub Remote controller switch Master Sold separately 2 1 3 2 1 3 B A B A B A Sold separately Wireless remote controller A B selection Using 2 wireless remote controllers for the respective air conditioners when the 2 air conditioners are closely ...

Page 136: ... unit data CODE No 00 01 02 03 04 05 Data name Room temperature under control 1 Room temperature Remote controller Indoor suction temperature TA Indoor heat exchanger Coil temperature TCJ Indoor heat exchanger Coil temperature TC Indoor heat exchanger temperature TC1 Outdoor unit data CODE No 60 61 62 63 65 Data name Outdoor heat exchanger Coil temperature TE Outside temperature TO Compressor disc...

Page 137: ...controls room temperature according to setting on the remote controller System example 1 Display range on remote controller The setup range Operation mode Air volume select Setup temp of the indoor unit which was set to the header unit is reflected on the remote controller 2 Address setup Turn on power of the indoor unit to be controlled in a group within 3 minutes after setting of automatic addre...

Page 138: ...hen address is OK Approx 50 seconds 2 In AUTO address Approx 4 to 5 minutes Normal Gr normal 1 There is no duplicated indoor unit address 2 There is no invalid indoor unit address 3 Individual unit and header follower units are not intermingled 4 Only a unit for individual 5 A header indoor unit and 1 or more follower indoor units for Gr Automatic address judgment Initial communication Usual regul...

Page 139: ... unit are connected or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided the automatic address setup completes with power ON of the outdoor unit The operation of the remote controller is not accepted while automatic address works Approx 4 to 5 minutes When the following addresses are not stored in the neutral m...

Page 140: ...irection adjustment of louver Follower unit 2 Indoor units other than header unit in group operation Basically follower units do not send receive signals to from the remote controllers Except errors and response to demand of service data 11 2 1 System Configuration 1 Single 2 Single group operation Outdoor 1 1 Individual Indoor Remote controller Max 8 inits Header Master 2 1 Follower Master 1 1 Fo...

Page 141: ... UNIT LOUVER UNIT button the indoor unit No in the group control is displayed in order Select the indoor unit of which setup is changed In this time the position of the indoor unit of which setup is changed can be confirmed because fan and louver of the selected indoor unit operate Procedure 3 1 Using temp setup TEMP buttons specify CODE No 33 CODE No 33 Fahrenheit display 2 Using timer TIME butto...

Page 142: ...troller Wiring Strip off approx 9 mm the wire to be connected For single system use non polarity 2 core wire is used for wiring of the remote controller 0 5 mm to 2 0 mm wires For the synchronous twin triple system use 2 conre shield wire Vinyl cord for microphone 0 5 to 2 0 mm to conform to the EMC standard Wiring diagram For details of wiring installation of the remote controller refer to the In...

Page 143: ...troller 1 Push SET CL TEST buttons simultaneously for 4 seconds or more 2 Line address Using the temperature setup buttons set 12 to the CODE No 3 Using timer time buttons set the line address 4 Push SET button OK when display goes on 5 Indoor unit address Using the temperature setup buttons set 13 to the CODE No 6 Using timer time buttons set 1 to the line address 7 Push SET button OK when displa...

Page 144: ...l remote controller Group control unit other unit numbers are also displayed every pushing UNIT LOUVER button 2 To know the position of indoor unit body by address To confirm the unit No in the group control Follow to the procedure during operation in this procedure the indoor units in group control stop Procedure The indoor unit numbers in the group control are successively displayed and fan louv...

Page 145: ...el 2 Check Fan Tightening 2 Clean Drain Pans 2 EVERY MONTH EVERY 4 MONTHS EVERYYEAR 1 2 1 1 1 1 EVERY MONTH EVERY 4 MONTHS EVERYYEAR 1 1 1 1 1 1 1 High Wall Type 1 Increase frequency in dusty zones 2 Maintenance to be carried out by qualified service personal REQUIREMENT Be sure to clean the heat exchanger with pressurized water If a commercially available detergent strong alkaline or acid cleanin...

Page 146: ... be confirmed because fan and louver of the selected indoor unit operate Procedure 3 1 Using temp setup TEMP buttons specify CODE No 33 CODE No 33 Fahrenheit display 2 Using timer TIME buttons change the line address from 0 to 1 3 Push SET button In this time the setup finishes when the display changes from flashing to lighting TEMP OFF SET TIME TEST FILTER RESET CL SAVE SWING FIX VENT UNIT LOUVER...

Page 147: ...on grille hook Ceiling panel Adjust corner cap Hook for falling preventive strap Hole for ceiling panel hook Hinge No 1 Part name Suction grille Procedure 1 Detachment 1 Slide the 2 knobs of the suction grille inward and then hang down the suction grille 2 Remove hook of the strap connecting the panel and the suction grille and then remove the suction grille 2 Attachment 1 Hook the suction grille ...

Page 148: ...achment 1 Attach the hinge unit of the electric parts box cover 2 Close the electric parts cover and slide it hook claw of the electric parts box claw of the electric parts box cover and the Dharma doll hole and then insert pin of the bell mouth into hole of the electric parts box cover 3 Tighten the fixing screws A and B and then fix the electric parts box cover 4 Following to work of Attachment ...

Page 149: ...first 2 Attachment 1 Hook the strap of the adjust corner cap securely to the pin of the ceiling panel 2 Insert the 2 claws A of the adjust corner cap into rectangular holes of the ceiling panel in the direction of the arrow 3 Press the adjust corner cap so that the 3 claws B on the back of the cap are fitted Remarks Pulling direction Pulling direction Pulling direction Pin Knob Adjust corner cap C...

Page 150: ...ck the lock of the housing part and then remove the connector 3 Loosen the panel fixing 4 screws 4 Slide the panel fixing brackets 4 positions outward 5 Push the tentative bracket outward and then remove the ceiling panel 2 Attachment 1 Insert the tentative brackets 2 positions of the ceiling panel into square holes of the indoor unit and then hook the panel tentatively NOTE The ceiling panel has ...

Page 151: ... 2P Red CN104 Room temp Sensor 2P Orange CN333 Fan motor power supply 5P White CN334 Fan motor position detection 3P White NOTE Unlock the lock of the housing part and then remove the connector 3 Unlock the locks of the card edge spacer 6 positions and then remove the control P C board 2 Attachment 1 Fix the control P C board to the card edge spacer 6 positions 2 Connect the connector removed in t...

Page 152: ...n pan be careful that they are not come off If they are come off stick them as before using double faces tape etc 4 Turn the drain cap once again to OPEN direction to remove it 2 Attachment 1 Insert the drain cap inside turn it to the arrow mark CLOSE direction until the position where Clashed sound is heard and it cannot be turned more over Position where mark of the drain pan matches with mark o...

Page 153: ...mps M4 10 mm 5 pcs 7 Remove the fixing screws and then remove the bell mouth M4 10 mm 8 pcs 8 Remove the fixing screws and then remove the nut cap M4 10 mm 2 pcs 9 Remove the fixing nut and then remove the turbo fan M8 nut with flange 1 pc 10 Remove the fixing screws and then remove the motor lead holding bracket M4 8 mm 2 pcs 11 Cut the bundling band and then remove it from the clamp 12 Remove th...

Page 154: ...r with the clamp of the bell mouth 3 Mount the electric parts box with the fixing screws A and B M4 10 mm 3 pcs M4 8 mm 1 pc 4 Connect the connector the power supply wire and the remote controller wire as before which were removed in Detachment work 2 and 3 in previous page and then fix wiring with clamp 5 Following to work of Attachment of 2 mount the electric parts box cover and the suction gril...

Page 155: ...in pump 5 Set direction of the knob of the hose band downward slide it from the pump connecting part to the hose side and then remove the drain hose from the drain pump 6 Pass the connector of the drain pump lead wire through the wiring taking out port and then take out the drain pump 2 Attachment 1 Enter your hand into the drain port and pass the connector of the drain pump lead wire through the ...

Page 156: ...move the wiring box by removing the fixing screw M4 10 mm 1pc 4 Remove the fixing screws to remove the drain pan M4 10 mm 4 pcs 2 Attachment 1 Fix parts as before in order of drain cap drain pan bell mouth wiring box 2 Following to works of Attachment of 7 and works from 2 to 4 attach parts as before 3 Attach the wiring cover and then attach the electric parts box cover as before 4 Following to wo...

Page 157: ... pipe at indoor unit side 4 Remove the fixing screws and then remove the piping cover M4 10 mm 3 pcs 5 Remove the drain hose from the drain pump and remove the fixing screws A to remove the drain pump stand M4 8 mm 3 pcs 6 While pushing the heat exchanger remove the fixing band fixing screws B and the heat exchanger M4 8 mm 3 pcs 2 Attachment 1 Mount the heat exchanger with the fixing band and the...

Page 158: ...uction grille toward the suction grille side and then hang down the suction grille 2 Remove hinge of the suction grille from the main unit to remove the suction grille Remove the hinge while pushing the claw at the center part with a minus driver etc 2 Attachment 1 Attach hinge of the suction grille to the square hole of the main unit Check that the claw is surely hooked on 2 Close the suction gri...

Page 159: ... electric parts cover by removing screws 2 positions which fix the cover M4 10 mm 2 pcs 2 Attachment 1 Insert the electric parts cover into back side of the electric parts box and then fix it with screws 2 positions M4 10 mm 2 pcs NOTE Be careful that wires are not caught in the electric parts cover 2 Attach the fan guard as before and then fix it with screws 2 positions 3 Carry out work of Attach...

Page 160: ... 5 Hook the hooking section temporarily at the rear side of the electric parts box to the sheet fittings part of the main unit 2 Attachment 1 Insert the square hole of the electric parts box into the claw of the main unit 2 Attach screws M4 10 mm 2 pcs to the electric parts box 3 Connect the power supply wire and the remote controller wire as before 4 Carry out works of Attachment of 1 and 2 Remar...

Page 161: ...inal block 3P CN101 TC sensor 2P Black CN102 TCJ sensor 2P Red CN104 Room temperature sensor 2P Orange CN333 Fan motor power supply 5P White CN334 Fan motor position detection 5P White 3 Release locks of the card edge spacers 6 positions and then remove the control P C board 2 Attachment 1 Fix the control P C board with the card edge spacers 6 positions 2 Connect the connectors and earth wires as ...

Page 162: ... bearing 1 Detachment NOTE The following description is detachment method of SP300 to 420 CT UL class as representative 1 Carry out works of Detachment of 2 and 1 2 2 Remove the hooking claws at both sides of the fan case bottom 3 Pull out and remove the fan case bottom from the partition panel 4 Remove the bearing from the main unit by removing the bolts 2 positions which fix the bearing M8 12 mm...

Page 163: ...ling with the hexagon socket head screws A groove is provided on the shaft in order to match the mounting position with the coupling Mount the coupling by aligning the single face of coupling to the groove and then fix it NOTE Use a torque wrench for fixing with 4 9Nm or more 6 Position the fan so that the fan locates at the center against the fan case top and then fix it with the hexagon socket h...

Page 164: ...ether with earth wire and then fix them with the screws 2 Connect the connectors as before which were removed in works of Detachment 3 Carry out work of Attachment of 5 Remarks 1 Detachment 1 Carry out work of Detachment of 1 2 Remove screws of the side cover One side M4 12 mm with washer 1 pc 3 Slide the side cover toward discharge direction to remove the side cover 2 Attachment 1 Slide the side ...

Page 165: ...n pan at discharge side If you remove the panel forcibly it may be broken 6 When removing base of the sensor part as shown in the following figure wrap the tip of minus driver with vinyl tape insert it into the groove at the side face under the circle mark of the cover and then remove the base by winkling out 2 Attachment 1 Mount the panel by sliding from discharge side along the drain pan 2 Attac...

Page 166: ...1 pc SP300 to 420 Step screw 2 pcs The peeled off insulator is used at attachment work 5 Remove the drain pan while sliding it to discharge side 2 Attachment 1 Insert the drain cap surely up to the end of the drain pan 2 Slide the drain cap from discharge side and then hang it surely to the sheeted hooking section at the fan side 3 Attach step screw removed in the Detachment work and adhere the in...

Page 167: ...xchanger while pressing the heat exchanger M4 8 mm 2 pcs 2 Attachment 1 Fix the parts with sensors as before in order of heat exchanger and then piping holder 2 Carry out work of Attachment of 10 3 Connect the refrigerant pipes as before and then perform vacuuming Remarks 1 Detachment 1 Carry out work of Detachment of 10 2 Remove the set screws 2 positions of fixing vertical grille 3 Remove the ve...

Page 168: ...n insert the louver 2 Insert the shaft at opposite side of the above 1 into the shaft hole 3 Insert the central shaft into the louver holder 1 Detachment 1 Carry out work of Detachment of 10 2 Remove the set screws 4 positions and heat exchanger support M4 10 mm 4 pcs 3 Pull out the sensor is inserted into pipe of the heat exchanger TC sensor Black Tube color TCJ sensor Red Tube color 4 Remove the...

Page 169: ...w any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas 2 Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated 3 Do not bring welding equipment near flammable obje...

Page 170: ...l fixing screws 4 pcs 5 Take off 4 hooks of panel from rear side How to assemble the front panel 1 Push 3 center positions and 2 lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Tighten four screws Incomplete hanging or incomplete pushing may cause a dewdrops or generation of a fluttering sound 3 Push PUSH part un...

Page 171: ...p base Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward Procedures 1 Perform work of item 2 Take off drain guide fixing screws 2pcs 3 Pull out TC and TCJ sensors from the senser holder of the heat exchanger When reassembling the elect parts be careful to the attaching p...

Page 172: ...s 1 Follow to the procedure in the item 2 Remove the pipe holder from the rear side of the main unit 3 Remove 2 fixing screws at the left side of the end plate of the heat exchanger Remarks 4 Remove 2 fixing screws on the heat exchager fixing holder to separate the heat exchanger from the back body ...

Page 173: ...n the item 2 Remove the 2 screws used to secure the bearing base 3 Remove the bearing base Remarks Bearing base Bearing 2 screws Caution at assembling If the bearing is out from the housing push it into the specified position and then incorporate it in the main body ...

Page 174: ...en the set screw of the cross flow fan 3 Remove 2 fixing screws of the motor cover and them remove the motor cover 4 Remove 2 more fixing screws of the motor band and remove the motor band Remarks 5 Pull the fan motor outward Set screw 2 screws on motor cover 2 screws on motor band ...

Page 175: ... set keeping 5 mm from wall of rear plate of the main unit Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw Perform positioning of the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front After assembl...

Page 176: ... UL RAV SP300UT UL RAV SP360UT UL RAV SP420UT UL 202 223 238 229 226 230 228 243 242 249 216 217 220 222 241 253 254 255 237 212 246 250 225 227 201 231 219 220 221 222 240 241 234 215 206 214 235 224 208 244 251 252 253 254 255 256 247 232 259 213 207 245 257 258 218 248 236 203 239 204 205 210 209 211 ...

Page 177: ...10 Pump Ass y MDP 1401 235 43151299 Switch Ass y Float FS 0218 102 236 43179145 LID Ass y Outside 237 43170254 Socket Ass y Drain 238 43197155 Washer 25X6 5X2T 239 43097212 Nut 240 43147195 Bonnet 1 2 IN 241 43194029 Bonnet 5 8 IN 242 43019904 Holder Sensor 243 43179135 Band Hose 37 40 244 43179146 Cover Glass 245 43182010 String 246 431S8134 Owner s Manual 247 43179152 Glass 248 43107280 Guard Fa...

Page 178: ...Location Part No Description No 401 43050425 Sensor Ass y TC F6 402 43050426 Sensor TA 403 43160607 Terminal Block 3P AC250V 20A 404 43160568 Terminal 2P AC30V DC42V 1A 405 4316V407 P C Board Ass y MCC 1570 208 230V Model Name RAV SP180UT UL 240UT UL 300UT UL 360UT UL 420UT UL 2 1 1 1 1 ...

Page 179: ...3407146 Outlet Air Form 306 43409212 Louver 307 43401037 Cover Panel Ass y 308 43101358 Cover Panel Ass y 309 43407148 Plate Fix Panel 310 43407149 Plate Fix Panel 311 43407150 Hook 312 43407154 Cap AXIS 313 43403010 Cover Ass y Motor 314 43403011 Cover Ass y 315 43403012 Cover Ass y 316 43407155 Fix Motor 317 43407156 Fix Motor 318 43460125 Lead Motor 319 43400077 Panel Front Model Name RBC U31PG...

Page 180: ... 356 RBC AX31U W UL Location Part No Description No 353 43459011 P C Board Ass y Remote Receiver 354 43462010 Cover WRS 355 43461006 Sheet 356 43108018 Cover Panel WRS 357 43160599 Lead Model Name RBC AX31U W UL 1 1 1 1 1 ...

Page 181: ...71 249 207 208 209 228 226 232 226 215 217 225 243 241 214 217 225 222 223 224 248 260 261 258 247 236 237 238 239 254 255 233 234 235 253 256 257 259 273 212 250 213 262 216 232 217 225 252 230 227 204 205 206 265 229 251 210 264 272 240 RAV SP180CT UL Fan assembly RAV SP240CT UL Fan assembly 211 244 245 246 201 202 203 218 219 220 221 ...

Page 182: ...5 Shaft 243 43125171 Bearing Ass y Mold 244 43109409 Grille Ass y Horizontal 245 43109410 Grille Ass y Horizontal 246 43109411 Grille Ass y Horizontal 247 43107260 Support Grille Horizontal 248 43122086 Grille Ass y Vertical 249 43179129 Cap Drain 250 43107254 Hinge Grille Inlet 251 43107255 Hook Grille Inlet 252 43170234 Hose Drain 253 43047609 Bonnet 254 43047692 Bonnet 255 43194029 Bonnet 256 4...

Page 183: ... TA 403 43158193 Reactor CH 43 2Z T 404 43160568 Terminal 2P AC30V DC42V 1A 405 43160607 Terminal Block 3P AC250V 20A 406 4316V406 P C Board Ass y MCC 1402 208 230V 407 43155203 Capacitor Kit ECQU3A474 M G 0 47UF Model Name RAV SP 180CT UL 240CT UL 300CT UL 360CT UL 420CT UL 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Page 184: ...L 355 357 353 354 356 Location Part No Description No 353 43459012 P C Board MCC 1504 354 43408030 Cover Receiver 355 43108014 Base Receiver 356 43160601 Lead 357 43108021 Mark TOSHIBA Model Name RBC AX22CUL 1 1 1 1 1 ...

Page 185: ... 185 TCB AX21UL 361 Location Part No Description No 361 4316V409 Receiver Unit CR BH1AG R Model Name TCB AX21UL 1 ...

Page 186: ...d main unit No Part name Drain pan Float switch Drain pump Procedure 1 Remove the Drain up kit from the main unit 2 Remove the set screws 2 positions and drain pan 1 Remove the drain pan 2 Remove the plastics nut of fixing float switch 3 Remove the float switch 1 Remove the drain pan 2 Remove the set screws 4 positions of fixing drain pump plate and main unit 3 Remove the screws 3 positions of fix...

Page 187: ...te Controller Kit RBC AX22CUL 1 2 1 3 Screw P C board cover No Part name P C board Procedure 1 Remove the signal receiving unit from main unit 2 Remove the set screw 1 position and P C board cover 3 Remove the P C board Remarks ...

Page 188: ...Band Motor Right up 225 43T09040 Louver Horizontal 226 43T03020 Body Ass y Back 227 43T44038 Evaporator Ass y SP240KRT 228 43T44039 Evaporator Ass y SP180KRT 229 43T00058 Grille Ass y Sub TOSHIBA 230 43T80019 Air filter 231 43T00057 Panel Ass y Service 232 43T62031 Cover Terminal 233 43T69085 Remote controller Wireless 234 43T85073 Owner s Manual 235 43T15002 Display 212 202 209 227 228 226 207 20...

Page 189: ... Block 3P 404 43T60079 Terminal Block 4P 1A Location Part No Description No 405 43T21397 Louver Motor MP24Z3T 406 43T69083 P C Board Ass y 407 43T69084 P C Board Ass y WRS LED CAUTION For orders of the service parts for High Wall type air conditioners please check the service parts on Web site of TOSHIBA CARRIER THAILAND CO Ltd and then place an order for parts to TOSHIBA CARRIER THAILAND CO Ltd ...

Page 190: ... the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air co...

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Summary of Contents for RAV-SP180CT-UL

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Carrier RAV-SP180CT-UL, Service Manual, Page: 180 / 191

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Summary of Contents for RAV-SP180CT-UL

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