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Manual No.'16•SCM-T-199

TECHNICAL MANUAL

INVERTER MULTI-SPLIT SYSTEM
RESIDENTIAL AIR-CONDITIONERS

(Split system, air to air heat pump type)

(OUTDOOR UNIT)

SCM40ZS-S

45ZS-S

50ZS-S

(INDOOR UNIT)

Wall mounted type

SRK20ZMX-S

25ZMX-S

35ZMX-S

50ZMX-S

SRK20ZS-S

25ZS-S

35ZS-S

50ZS-S

SKM20ZSP-S

25ZSP-S

35ZSP-S

Floor standing type

SRF25ZMX-S

35ZMX-S

50ZMX-S

4way ceiling cassette type

FDTC25VF

35VF

50VF

Ceiling concealed type

SRR25ZM-S

35ZM-S

50ZM-S

Ceiling suspended type

FDE50VG

Duct connected Low/Middle static pressure type

FDUM50VF

Содержание SCM40ZS-S

Страница 1: ...ZS S 50ZS S INDOOR UNIT Wall mounted type SRK20ZMX S 25ZMX S 35ZMX S 50ZMX S SRK20ZS S 25ZS S 35ZS S 50ZS S SKM20ZSP S 25ZSP S 35ZSP S Floor standing type SRF25ZMX S 35ZMX S 50ZMX S 4way ceiling casse...

Страница 2: ...ressure type FDUM 52 5 Ceiling suspended type FDE 62 6 Duct connected Low Middle static pressure type FDUM 63 2 Floor standing type SRF 47 2 2 Exterior dimensions 44 44 1 2 Exterior dimensions 12 1 3...

Страница 3: ...sette type FDTC 3 PIPING SYSTEMS 124 4 RANGE OF USAGE LIMITATIONS 126 7 1 SRK20 50ZMX S SRF and SRR series 135 7 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 135 138 7 1 1 Operation control function...

Страница 4: ...ntrol 3 Installing two air conditioners in the same room 151 2 Auto restart function 1 Unit ON OFF button 151 150 7 2 2 Operation control function by indoor control 151 152 6 High power operation 152...

Страница 5: ...nction by the indoor control 7 4 2 Operation control function by the wired remote control 170 7 4 1 Remote control Option parts 167 8 Determining the operating mode 164 9 Outline of dehumidifying DRY...

Страница 6: ...rature thermistor return air indoor heat exchanger wire short circuit detection 186 23 Selection of cooling heating external input function 187 25 Return air temperature compensation 24 Room temperatu...

Страница 7: ...ll 199 5 Self diagnosis table 200 6 Service mode Trouble mode access function 201 209 7 Inspection procedures corresponding to detail of trouble 9 Checking the indoor electrical equipment 215 8 Phenom...

Страница 8: ...ooting flow 232 233 2 Troubleshooting 1 List of troubles 232 6 Inverter checker for diagnosis of inverter output 231 4 Outdoor unit inspection points 228 1 FDTC series RCN TC 24W ER 292 2 FDE series R...

Страница 9: ...l mounted type SRK ZMX S Wall mounted type SRK ZS S Wall mounted type SKM ZSP S Duct connected Low Middle static pressure type FDUM 4way ceiling cassette type FDTC Ceiling suspended type FDE Example I...

Страница 10: ...tion Frost protection Serial signal error protection Outdoor fan motor error protection Heating Cooling overload protection Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4 2 Gas...

Страница 11: ...tion Serial signal error protection Outdoor fan motor error protection Heating Cooling overload protection Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4 2 Gas line 9 52 3 8 2 C...

Страница 12: ...ction Outdoor fan motor error protection Heating Cooling overload protection Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4 3 Gas line 9 52 3 8 3 Connecting method Flare connect...

Страница 13: ...ischarge hole Symbol B A Service valve connection gas side M10 12 4 places 20 2 places Service valve connection liquid side 6 35 1 4 Flare 280 136 253 16 4 20 14 6 Notes 1 The unit must not be surroun...

Страница 14: ...321 7 42 7 20 20 290 476 203 1 510 850 14 6 2 12x16 17 9 65 274 290 Slot hole 155 21 10 Minimum installation space Center of gravity Terminal block Center of gravity Notes 1 The unit must not be surr...

Страница 15: ...L 250V F3 CNFAN YG YG RD BR EEV B M RD EEV A EEV B L Compressor motor Electric expansion valve coil Reactor Tho A Tho D Heat exchanger sensor Outdoor air temp sensor Discharge pipe temp sensor CM Tho...

Страница 16: ...YG C 2 RD C 1 CN20V CN20V G1 YG G YG CNEEV1 CNEEV3 CNA CNB CNC N L EEV EEV YG WH BK UNIT A UNIT B UNIT C M POWER SOURCE WH RD BL 20S HEATER WH RD CNHEAT BK WH RD BK WH BR BK WH BL Tho D Tho A Tho R 2...

Страница 17: ...10 5 Pa 10 20 30 40 50 60 70 N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid octave band frequency Hz Sound pressure level dB Standard 2 10 5 Pa 10 20 30 40 50 60 7...

Страница 18: ...ating 51 dB A Cooling Heating Condition ISO T1 JIS C 9612 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid octave band frequency Hz Sound pressure level dB Standard 2 10 5 Pa 10 20 30 40 50...

Страница 19: ...ers can cause electric shock personal injury or property damage Be sure to switch off the power source in the event of installation mainte nance or service If the power source is not switched off ther...

Страница 20: ...2 Location of snow accumulation Install the unit on the base so that the bottom is higher than snow cover surface Install the unit under eaves or provide the roof on site 3 Installation space There mu...

Страница 21: ...rise even if the system is left for 15 minutes or more Vacuum gauge indicator will rise if the system has moisture left inside or has a leakage point Check the system for the leakage point If leakage...

Страница 22: ...prevent it from heating and dew condensation Use the heat insulating material which can withstand 120 C or higher temperature Make sure that insulation is wrapped tightly around the pipes and no gap i...

Страница 23: ...re control Microcomputer thermostat Operation display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Frost protection Serial signal error protection Indoor fan motor...

Страница 24: ...display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refrigeran...

Страница 25: ...display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refrigeran...

Страница 26: ...n display RUN Green TIMER Yellow HI POWER Green 3D AUTO Green ECONO Blue Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refrigera...

Страница 27: ...ow Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4 Gas line 9 52 3 8 Connectin...

Страница 28: ...isplay RUN Green TIMER Yellow Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4...

Страница 29: ...reen TIMER Yellow Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4 Gas line 9 5...

Страница 30: ...isplay RUN Green TIMER Yellow Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4...

Страница 31: ...om temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installatio...

Страница 32: ...om temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installatio...

Страница 33: ...om temperature control Microcomputer thermostat Operation display RUN Green TIMER Yellow Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installatio...

Страница 34: ...ER Yellow HI POWER Green Air outlet selection Green ECONO Green Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refrigerant piping...

Страница 35: ...RUN Green TIMER Yellow HI POWER Green Air outlet selection Green ECONO Green Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refri...

Страница 36: ...RUN Green TIMER Yellow HI POWER Green Air outlet selection Green ECONO Green Safety equipments Frost protection Serial signal error protection Indoor fan motor error protection Installation data Refr...

Страница 37: ...r error protection Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4 Gas line 9 52 3 8 Connecting method Flare connection Insulation for piping Necessary Both sides independent Dra...

Страница 38: ...tion Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4 Gas line 9 52 3 8 Connecting method Flare connection Insulation for piping Necessary Both sides independent Drain hose Hose c...

Страница 39: ...tion Installation data Refrigerant piping size O D mm Liquid line 6 35 1 4 Gas line 12 7 1 2 Connecting method Flare connection Insulation for piping Necessary Both sides independent Drain hose Hose c...

Страница 40: ...on Noise heat Polyurethane form Remote control Wired RC E5 RC EX1A option Wireless RCN TC 24W ER option Room temperature control Thermostat by electronics Safety equipment Overload protection for fan...

Страница 41: ...ol Wired RC E5 RC EX1A option Wireless RCN TC 24W ER option Room temperature control Thermostat by electronics Safety equipment Overload protection for fan motor Frost protection thermostat Installati...

Страница 42: ...yurethane form Remote control Wired RC E5 RC EX1A option Wireless RCN TC 24W ER option Room temperature control Thermostat by electronics Safety equipment Overload protection for fan motor Frost prote...

Страница 43: ...control Thermostat by electronics Safety equipment Internal thermostat for fan motor Frost protection thermostat Installation data Refrigerant piping size mm Liquid line 6 35 1 4 Gas line 12 7 1 2 Co...

Страница 44: ...on thermostat Installation data Refrigerant piping size mm Liquid line I U 6 35 1 4 Gas line 12 7 1 2 Connecting method Flare piping Drain pump Built in drain pump Drain Hose connectable with VP25 Ins...

Страница 45: ...pace for installation and service when viewing from the front Unit 15 Service space Service space Service space Terminal block Wired remote control Option Notes 1 The model name label is attached on t...

Страница 46: ...ont Unit mm Notes 1 The model name label is attached on the right side of the unit 2 To connect the wired remote control the interface kit SC BIKN E is required 120 19 60 24 167 45 45 870 290 Outlet f...

Страница 47: ...Symbol A 65 VP16 6 35 1 4 Flare Content 65 9 52 3 8 Flare Outlet for piping on both side G Note 1 The model name label is attached on the underside of the indoor unit 60 150 17 3 190 40 1 47 130 5 508...

Страница 48: ...ng from the front Option Wired remote control Wireless remote control G Screw point fasten the indoor unit 5 860 238 15 60 60 100 60 55 157 2 76 3 85 3 22 7 185 25 5 30 5 198 804 65 65 45 585 30 5 103...

Страница 49: ...ing D Hole for wiring E Suspension bolts M10 Symbol Content 6 35 1 4 Flare 9 52 3 8 Flare Drain piping C2 Gravity drainage VP25 I D 25 O D 32 Used with attached connector VP25 I D 25 O D 32 Used with...

Страница 50: ...1 4 Flare 12 7 1 2 Flare Drain piping C2 Gravity drainage VP25 I D 25 O D 32 Used with attached connector VP25 I D 25 O D 32 Used with attached connector 25 x 2 Control box Connector Accessory Instal...

Страница 51: ...for installation and service Option Make a space of 4000 or more between the units when installing more than one Ducting for air outlet 6 4 Holes for Hole tapping screws Hanger plate for suspension bo...

Страница 52: ...side cutout Piping can be connected from 3 different direction Remove the cutout using side cutter or similar tool Obstacle Space for installation and service or more Air return grille Air supply Dra...

Страница 53: ...ravity drainage 6 35 1 4 Flare H Inspection hole 450X450 170 124 170 tapping screws Holes for Space for installation and service or more or more or more or more Case 1 From side of unit Select either...

Страница 54: ...e control a Wireless remote control Models SRK SRF SRR Typical example Model SKM 60 17 150 Unit mm 60 The wireiess remote controller in the following figure shows for the SRK ZJ S type 17 3 150 60 26...

Страница 55: ...thickness 100 to 200m 0 5mm2 2 cores 0 75mm2 2 cores 1 25mm2 2 cores 2 0mm2 2 cores Under 300m Under 400m Under 600m Upper part Lower part Lower case Sheath Upper cace Board Wiring Upper Lower X Y She...

Страница 56: ...e Adapted to RoHS directive Exterior appearance Munsell color Pearl white N8 5 near equivalent Model RC EX1A A PJZ000Z297 Installation space R C cable 0 3mm2 2 core Adapted to RoHS directive Exterior...

Страница 57: ...Z RORU 0DUN t Th2 1 Th2 2 Th3 LM 1 LM 2 SM FM I HDW H FKDQJHU VHQVRU XPLGLW VHQVRU RQO DQ PRWRU 5RRP WHPS VHQVRU ODS PRWRU 7K 7K 7K LRGH VWDFN 6 XVH 0 7HUPLQDO EORFN 7 RXYHU PRWRU 0 60 DS LPLW VZLWFK...

Страница 58: ...GER 2 N 3 Y G HD ONLY t o 2 t o R AMP 2 HEAT EXCHANGER 5 FM I SM I LM 1 LM 2 F Va Th I Th 2 Th 3 T DS RORU PDUNV 0HDQLQJ RI PDUNV OXH ODFN 5HG 5 KLWH HOORZ UHHQ RORU 0DUN HDW H FKDQJHU VHQVRU DQ PRWRU...

Страница 59: ...3 15A U F Va DS CNG CNE R AMP WIRELESS DISPLAY BACK UP SW CNU CNM 5 M M Blue Black BK Red BL RD White WH Yellow Green YG Color Color marks Meaning of marks Mark Heat exchanger sensor Fan motor Room t...

Страница 60: ...1 Th2 2 Th3 DM 1 DM 2 SM 1 SM 2 FM I DS t t TO OUTDOOR UNIT HEAT EXCHANGER 1 2 N 3 POWER WIRES SIGNAL WIRE 1 2 N 3 Power source 1 Phase AC220 240V 50Hz T AIR SELECTION SW Color marks Blue Black BK Re...

Страница 61: ...L 250V F 2 F 3 15A L 250V Y BK RD CNS t t t 5 1 8 2 RD TB CNY Color marks Meaning of marks Blue Black BK Red BL RD White WH Yellow Y Color Mark Heat exchanger sensor Fan motor Room temp sensor Th1 Th2...

Страница 62: ...ine between BL 1 Y GN Y GN Y GN 6 7 8 9 BK BK BK BK 10 BK 11 BK 12 BK 13 BK 14 BK 15 BK 16 BK 17 BK BK 18 BK 19 BK 20 BK 1 2 3 4 5 BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK BK 1 2 3...

Страница 63: ...3 4 5 6 t 1 2 CNH BK Thi A t t t Thi R1 Thi R2 Thi R3 BK BK BK BK BK BK CNTA BL 1 2 YE GN 3 BL WH 1 3 CNW3 WH F2 3 15A SW2 SW6 SW5 SW7 LED 2 LED 3 CNZ FOR HA WH 12 BK BK Connecting line between indoor...

Страница 64: ...rol PCB Power PCB RD YE t YE BK t BK 1 2 3 4 5 6 BK t BK 1 2 XR1 XR2 XR3 XR4 XR5 Remote operation Remote operation input volt free contact Prepare on site 1 2 3 4 5 6 12 SW2 SW6 SW5 SW7 LED E2 LED E3...

Страница 65: ...ont side 1m Mike position 0 8m 1m Unit Mike position Front low points Noise Level Cooling 41 dB A Heating 41 dB A Cooling Heating 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 Mid octave ban...

Страница 66: ...ion as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Front low points Mike position at highest noise level in position as mentioned belo Distance from front side...

Страница 67: ...el dB Cooling Heating Cooling Heating Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center low points 09 SRK...

Страница 68: ...ling Heating Cooling Heating Model SRK35ZS S Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center low points...

Страница 69: ...oling Heating Condition ISO5151 T1 H1 Mike position at highest noise level in position as mentioned be Distance from front side 1m Mike position 0 8m 1m Unit Mike position Front low points 10 20 30 40...

Страница 70: ...position at highest noise level in position as mentioned belo Distance from front side 1m Mike position 0 8m 1m Unit Mike position Front low points 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Sound pre...

Страница 71: ...ng 41 dB A Heating 41 dB A Cooling Heating Condition ISO T1 JIS C 9612 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Sound pressure level dB Standard 2 10 5 Pa 63 125 250 500 1000 2000 4000 8000 Mid octav...

Страница 72: ...6 dB A Heating 47 dB A Condition ISO T1 JIS C 9612 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Sound pressure level dB Standard 2 10 5 Pa 63 125 250 500 1000 2000 4000 8000 Mid octave band frequency Hz...

Страница 73: ...50 500 1000 2000 4000 8000 Mid octave band frequency Hz N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 10 20 30 40 50 60 70 Sound pressure level dB Standard 2 10 5 Pa 63 125 250 500 1000 2000 4000 8000...

Страница 74: ...octave band frequency Hz N50 N30 N40 N60 N70 N20 Noise Level Cooling 33 dB A Heating 34 dB A Cooling Heating Condition ISO5151 T1 JIS C 9612 Model SRR35ZM S Sound pressure level Sound pressure level...

Страница 75: ...000 Mid octave band frequency Hz N50 N30 N40 N60 N70 N20 Noise Level Cooling 41 dB A Heating 43 dB A Cooling Heating Condition ISO5151 T1 JIS C 9612 Sound pressure level 1m Unit Supply duct Return duc...

Страница 76: ...8000 Mid octave band frequency Hz N50 N30 N40 N60 N70 N20 Noise Level Cooling 41 dB A Heating 46 dB A Cooling Heating Condition ISO5151 T1 JIS C 9612 Sound pressure level Sound pressure level 1m Unit...

Страница 77: ...z N50 N30 N40 N60 N70 N20 4 4way ceiling cassette type FDTC Model FDTC25VF 1 5m Mike position Center below unit Mike position Noise Level Cooling 41 dB A Heating 43 dB A Cooling Heating N50 N30 N40 N6...

Страница 78: ...ing Heating N50 N30 N40 N60 N70 N20 10 20 30 40 50 60 70 63 125 250 500 1000 2000 4000 8000 10 20 30 40 50 60 70 Mid octave band frequency Hz Sound pressure level dB Standard 2 10 5 Pa Condition ISO T...

Страница 79: ...70 63 125 250 500 1000 2000 4000 8000 10 20 30 40 50 60 70 Mid octave band frequency Hz Sound pressure level dB Standard 2 10 5 Pa Condition ISO T1 JIS B 8616 6 Duct connected Low Middle static pressu...

Страница 80: ...re Pa 13 15 40 50 60 30 20 10 0 5 7 9 11 Air flow m3 min External static pressure Pa 13 15 40 50 60 30 20 10 0 5 7 9 11 Air flow m3 min External static pressure Pa 13 15 40 30 20 10 0 4 6 8 Air flow m...

Страница 81: ...m i t o f E S P Setting 10Pa P Hi P Hi P Hi 0 10 20 30 40 50 60 70 80 90 100 110 11 12 13 14 15 Air flow m3 min External static pressure Pa 100Pa Max 90Pa 80Pa 70Pa 60Pa 50Pa 40Pa 30Pa 20Pa 10Pa Min...

Страница 82: ...alkaline can occur Vehicles and ships Locations where cosmetic or special sprays are often used Locations with direct exposure of oil mist and steam such as kitchen and machine plant Locations where...

Страница 83: ...ote Be careful that If it is not inserted securely water leakage may occur Adjustment of the installation board in the horizontal direction is to be conducted with four screws in a temporary tightened...

Страница 84: ...that you can keep measurement B to a correct value Clutch type flare tool for R410A Conventional R22 flare tool 6 35 9 52 12 7 0 0 0 5 0 0 0 5 0 0 0 5 1 0 1 5 1 0 1 5 1 0 1 5 1 5 2 0 1 5 2 0 2 0 2 5...

Страница 85: ...r conditioners are installed in the same room use this setting when the two air conditioners are not operated with one wireless remote control Set the wireless remote control and indoor unit INSTALLIN...

Страница 86: ...bed pipes flare nuts and tools for R410A U sing existing parts for R22 or R407C can cause refrigerant circuit burst resulting in unit failure and personal injury B e sure to connect both liquid and ga...

Страница 87: ...generate or accumulate D rain water can not be discharged properly T V set or radio receiver is placed within 1m H eight above sea level is more than 1000m It can cause performance degradation corrosi...

Страница 88: ...gnal surely during operating the wireless remote control A place where it is not affected by the TV and radio etc Do not place where it is exposed to direct sunlight or near heat devices such as a sto...

Страница 89: ...5 IEC57 CENELEC H05RN F 1 Earth wire is included Yellow Green 2 Arrange each wire length as shown below Make sure that each wire is stripped 10mm from the end Connecting cable Wire end 40mm or more Ea...

Страница 90: ...e Avoid the following drain piping Higher than specified Wavy The drain hose tip is in water The gap to the ground is 5 cm or less The drain hose tip is in the gutter Odor from the gutter Pour water t...

Страница 91: ...ion prevention 1 D ress the connecting pipes both liquid and gas pipes with insulation to prevent it from heating and dew condensation U se the heat insulating material which can withstand 120 C or hi...

Страница 92: ...the front panel and fix 4 upper latches 2 Secure the front panel with the 2 screws 3 Install the bottom panel the air inlet panel and the air filters Front panel Bottom panel Screw in the cap Screw L...

Страница 93: ...button continuously for at least 5 seconds Then operation will start For the detail of pump down refer to the instal lation manual of outdoor unit Unit ON OFF button 16 INSTALLATION CHECK AND TEST RUN...

Страница 94: ...al injury B e sure to use the prescribed pipes flare nuts and tools for R410A U sing existing parts for R22 or R407C can cause refrigerant circuit burst resulting in unit failure and personal injury B...

Страница 95: ...w melting agent and acid sulfurous acid etc which can harm the unit will generate or accumulate D rain water can not be discharged properly T V set or radio receiver is placed within 1m H eight above...

Страница 96: ...air conditioner can receive the signal surely during operating the wireless remote control A place where it is not affected by the TV and radio etc Do not place where it is exposed to direct sunlight...

Страница 97: ...5 IEC57 CENELEC H05RN F 1 Earth wire is included Yellow Green 2 Arrange each wire length as shown below Make sure that each wire is stripped 10mm from the end Connecting cable Wire end 40mm or more Ea...

Страница 98: ...e gap to the ground is 5 cm or less The drain hose tip is in the gutter Odor from the gutter Pour water to the drain pan located under the heat exchanger and ensure that the water is discharged outdoo...

Страница 99: ...ng pipes both liquid and gas pipes with insulation to prevent it from heating and dew condensation U se the heat insulating material which can withstand 120 C or higher temperature Make sure that insu...

Страница 100: ...t can be operated with only one wireless remote control Setting one wireless remote control 1 Slide and take out the cover and batteries 2 Cut the switching line next to the battery with wire cutters...

Страница 101: ...alves are fully open No gas leaks from the joints of the service valves Indoor and outdoor side pipe joints have been insulated Hole on the wall is completely sealed with putty Drain hose and cap are...

Страница 102: ...of multiple units installation Locations where strong air blows against the air outlet of outdoor unit Locations where something located above the unit could fall It can cause remarkable decrease in p...

Страница 103: ...at location that meets the following conditions after getting approval from the customer Wireless remote control In case of piping in the right rear direction When drilling the wall that contains a me...

Страница 104: ...ver the exterior portion with outer tape and shape the piping so it will match the contours of the route that the piping to take Also fix the wiring and pipings to the wall with clamps ELECTRICAL WIRI...

Страница 105: ...to the outdoor unit when the pipes are removed from the unit Uncover the wireless remote control and mount the batteries R03 AAA Micro 2 pieces in the body regularly Fit the poles with the indication...

Страница 106: ...e status due to register of the wind for the high rise apartment etc Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work If the density of r...

Страница 107: ...ributed A firm location that may sustain the weight of the unit and do not cause the unit or the ceiling to vibrate A place where there will be enough space for servicing Where space mentioned below c...

Страница 108: ...pipe after installation Insulating material to be removed Joint Rubber stopper to be removed Standard hard polyvinyl chloride pipe Connecting port of bottom drain pipes Outside diameter 25mm Connectin...

Страница 109: ...ry 6 Pull out the cover and mount the batteries R03 AAA Micro 2 pieces in the body regularly Fit the poles with the indication marks without fail Do not use new and old batteries together Disconnect W...

Страница 110: ...the earth leakage breaker is not installed it can cause electric shocks Use the circuit breaker of correct capacity Circuit breaker should be the one that disconnect all poles under over current Usin...

Страница 111: ...resistant brace to the bolt In case the unit is hanged directly from the slab and is installed on the ceiling plane which has enough strength When suspension bolt length is over 1000mm apply the eart...

Страница 112: ...the pipe as close place to the unit as possible when connecting the drain pipe Do not set up air vent Supporting metal No bump No trap Not touching the water Trapped air will generate noises Air vent...

Страница 113: ...nit PCB is turned ON the Connector CNB is disconnected and then the power supply 220 240VAC on the terminal block and or and is turned ON Make sure to turn OFF SW7 1 and reconnect the Connector CNB af...

Страница 114: ...113 16 SCM T 199 source PJA012D783...

Страница 115: ...5 7 5 7 Note This function is not able to be set with wireless remote controls or simple remote control RCH H3 5 7 5 7 For setting the swing range of other louvers return to 1 and proceed same proced...

Страница 116: ...ught in the machine to get burned or electric shock Shut off the power before electrical wiring work It could cause electric shock unit failure and improper running Perform earth wiring surely Do not...

Страница 117: ...is no obstruction of airflow on both air return grille and air supply port Areas where fire alarm will not be accidentally activated by the air conditioner Areas where the supply air does not short ci...

Страница 118: ...to make the up down bending and trap in the mid way while assum ing that the drain pipes is downhill more than 1 100 Never set up air vent 5 Insulate the drain pipe Insulate the drain hose clamp with...

Страница 119: ...is fixed at that position auto swing does not funtion ATTENTION If you press RESET button during settings the display will return to previous display If you press button during settings the mode will...

Страница 120: ...nerated or accumulated or volatile flammable substances are handled It could cause the corrosion of heat exchanger breakage of plastic parts etc And inflammable gas could cause fire Secure a space for...

Страница 121: ...to unit falling Space for installation and service Make installation altitude over 2 5m Indoor Unit Select either of two cases to keep space for installation and services Notes a There must not be obs...

Страница 122: ...to t Caution Refrigerating machine is because even if the force on the threads an by the stress corrosion Refrigerating machine Be sure to use new pipes for the refrigerant pipes Use the flare nut at...

Страница 123: ...g machine oil may be applied to the internal surface of flare only Descending slope greater than 1 100 As wide as possible about100mm Supporting metal Descending slope greater than 1 100 Please confir...

Страница 124: ...ecurely and handled with care not to drop when it is necessary toreplace Notes 2 For the maintenance space refer to page 120 i Remove the control box and the side panel and remove the screws marked in...

Страница 125: ...at exchanger Heat exchanger Liquid line Gas line 6 35 6 35 9 52 9 52 Strainer Humidity sensor 1 Compressor 4 way valve Service valve Liquid Capillary tube Capillary tube Electric expansion valve EEVA...

Страница 126: ...ccumulator Sensor Tho S Service valve Liquid Electronic expansion valve Compressor 4 way valve Discharge Suction Sensor Tho R Heat exchanger Cooling cycle Heating cycle 9 52 or 12 7 9 52 or 12 7 9 52...

Страница 127: ...ltage Within 15 of rated voltage Within 10 of rated voltage 3 min or more 10 min or more from stop to stop or from start to start Max 25m Max 15m Max 15m Outdoor air temperature Upper lower limits Num...

Страница 128: ...Indoor unit combination Heating capacity kW Power consumption W Standard current A Indoor unit capacity kW Total capacity kW Min Standard Max 220V 230V 240V A B Min Standard Max 1 unit 20 3 0 1 3 3 0...

Страница 129: ...0 900 1070 4 4 4 2 4 0 25 3 4 1 3 3 4 4 0 520 1070 1210 5 2 5 0 4 8 35 4 5 1 3 4 5 4 8 520 1340 1450 6 5 6 3 6 0 2 units 20 20 2 25 2 25 2 0 4 5 6 1 550 930 1700 4 5 4 3 4 2 20 25 2 36 2 94 2 0 5 3 6...

Страница 130: ...25 25 3 00 3 00 2 0 6 0 6 3 550 1600 1900 7 3 7 0 6 7 25 35 2 50 3 35 2 0 6 0 6 3 550 1600 1900 7 3 7 0 6 7 35 35 3 00 3 00 2 0 6 0 6 3 550 1600 1900 7 3 7 0 6 7 Heating Indoor unit combination Coolin...

Страница 131: ...7 1 6 8 6 5 35 35 3 00 3 00 2 0 6 0 6 3 550 1550 1900 7 1 6 8 6 5 Heating c Indoor unit except SRK ZMX S and SKM ZSP S models Cooling Heating Indoor unit combination Cooling capacity kW Power consump...

Страница 132: ...6 8 25 25 35 2 06 2 06 2 88 3 0 7 0 7 5 600 1690 2580 7 8 7 5 7 2 Heating 3 Model SCM50ZS S a Indoor unit SRK ZMX S models only Cooling Heating Indoor unit combination Cooling capacity kW Power consum...

Страница 133: ...7 6 7 3 7 0 25 25 35 2 06 2 06 2 88 3 0 7 0 7 3 600 1750 2580 8 1 7 7 7 4 Heating b Indoor unit SKM ZSP S models only Cooling Heating Indoor unit combination Cooling capacity kW Power consumption W S...

Страница 134: ...6 9 25 25 35 2 06 2 06 2 88 3 0 7 0 7 3 600 1730 2580 8 0 7 7 7 3 Heating Indoor unit combination Cooling capacity kW Power consumption W Standard current A Indoor unit capacity kW Total capacity kW...

Страница 135: ...y piping length between the indoor and outdoor units 3 Correction relative to frosting on outdoor heat exchanger during heating In additions to the foregoing corrections 1 2 the heating capacity needs...

Страница 136: ...0 5 sec 0 5 sec Operation mode invalid OPERATION MODE select button ALLERGEN CLEAR button ON OFF luminous button TEMPERATURE button AIR FLOW UP DOWN button TIME SET UP switch SLEEP button CLEAN switc...

Страница 137: ...ops due to the HOT KEEP and CLEAN operation ON OFF 1 5 sec 0 5 sec HOT KEEP 3 sec 1 sec ON OFF CLEAN operation ON OFF 0 5 sec 0 5 sec Operation mode invalid OPERATION MODE select button ON OFF luminou...

Страница 138: ...OT KEEP and CLEAN operation 1 Unit ON OFF button When the wireless remote control batteries become weak or if the wireless remote control is lost or malfunctioning this button may be used to turn the...

Страница 139: ...trol Since the signal is sent in about 6 seconds after the ACL switch is pressed point the wireless remote control at the indoor unit for some time iii Check that the reception buzzer sound Pip is emi...

Страница 140: ...air temperature Model A SRR25 35 50ZM S 17 SRF25 35 50ZMX S 7 SRK20 25 35 50ZMX S 10 5 High power operation Pressing the HI POWER ECONOMY button intensifies the operating power and initiates powerful...

Страница 141: ...ioner is OFF d The setting temperature is adjusted according to the following table Temperature adjustment Cooling Heating Mode Item at the start of operation one hour after the start of operation two...

Страница 142: ...n on the wireless remote control a Flap Each time when you press the AIR FLOW UP DOWN button the mode changes as follows COOL DRY FAN Wireless remote control display HEAT Approx 60 Approx 44 Approx 50...

Страница 143: ...to reaching the setting point And then the air outlet will change to both outlets in order to spread comfort air to every corner ii HEAT operation 1 In case both lower and upper outlets operation with...

Страница 144: ...low direction contorol 2 C Setting temp Room temp 5 C 2 C Room temp Setting temp 5 C Room temp Setting temp 5 C Setting temp Room temp 5 C The control in 4 continues Control returns to the control in...

Страница 145: ...end installation Center installation Right end installation iv Press the ON OFF button The air conditioner s installation location is set Press within 60 seconds of setting the installation location...

Страница 146: ...t checks the float switch If it is normal the unit is stopped under the normal mode or if there is any anomalous condition displayed by the flashing of display lights and the drain motor is turned ON...

Страница 147: ...n and prohibition by releasing the jumper wire J3 on the indoor PCB When the jumper wire J3 is short circuited Normal operation is enable when shipping When CnT input is set to ON the operation starts...

Страница 148: ...output connector CnT is located on the circuit board of the interface kit Operation output Power to engage DC12V relay provided by the customer is outputted during operation Heating output Power to e...

Страница 149: ...r this control is not executed 20 Frost prevention control a Operating conditions b Detail of anti frost operation c Reset condition Indoor heat exchanger temperature C 2 5 8 Operation mode Item Prote...

Страница 150: ...ndition Tho A Tho A Fan speed Model Upper limit SRK20 35ZMX S 8th SRK50ZMX S SRF25 50ZMX S SRR25 50ZM S 9th 12 Current cut a Purpose b Detail of operation 13 Outdoor unit failure 23 Indoor fan motor p...

Страница 151: ...witch This switch selects the CLEAN operation display brightness adjustment and PRESET operation ON TIMER button This button selects ON TIMER operation TIMER button This button is used for setting the...

Страница 152: ...less remote control Set the wireless remote control and indoor unit a Setting the wireless remote control i Pull out the cover and take out batteries ii Disconnect the switching line next to the batte...

Страница 153: ...nuously The wireless remote control displays HIGH POWER mark and the FAN SPEED display disappears a During the HIGH POWER operation the room temperature is not controlled When it causes an excessive c...

Страница 154: ...a soft operation with the power suppressed in order to avoid an excessive cooling or heating The unit operate 1 5 higher than the setting temperature during cooling or 2 5 lower than that during heati...

Страница 155: ...87D 9 3D auto operation a i ii Cooling Air flow selection Operation mode AUTO HI MED LO Heating Room temp Setting temp 5 C Room temp Setting temp 5 C Setting temp Room temp 5 C Setting temp Room temp...

Страница 156: ...tion mode Room temp Setting temp 2 C Setting temp Room temp 2 C Heating Cooling Air flow direction contorol 2 C Setting temp Room temp 5 C 2 C Room temp Setting temp 5 C Room temp Setting temp 5 C Set...

Страница 157: ...1 2 Remote control display COOL HEAT Operation COOL HEAT Selected mode Heating Cooling Remote control display HEAT COOL Different mode is only fan operation Operation FAN 1 FAN Note 1 If the display...

Страница 158: ...ately c When the unit is started again within one hour after the stop of automatic operation or when the automatic operation is selected during heating cooling or dehumidifying operation the unit is o...

Страница 159: ...s released Permission Prohibition mode When CnT input is set to ON the operation mode is changed to permission and if input is set to OFF the operation is prohibited When the jumper wire J1 is short c...

Страница 160: ...selected in the wired remote control s indoor unit settings Input signal to CnT becomes valid at OFF ON only and the motion of air conditioner ON OFF is inverted CnT input Unit Case A Unit Case B OFF...

Страница 161: ...me lower than the release temperature Item Room temperature Th1 Release temperature Start temperature Th1 24 C 48 5 C 62 C 24 C Th1 27 C 47 5 C 61 C 27 C Th1 46 5 C 60 C 22 Heating overload protective...

Страница 162: ...CANCEL button Unit display section Name of each part and its function This button can be used for turning on off the unit when wireless remote control is not available Wireless remote control signal r...

Страница 163: ...with your dealer if this function needs to be switched off 2 When power failure ocurrs the timer setting is cancelled Once power is resumed reset the timer 3 If the jumper wire J1 AUTO RESTART is cut...

Страница 164: ...When the HI POWER ECONOMY button is pressed again When the operation mode is changed When it has been 15 minutes since HIGH POWER operation has started e Not operable while the air conditioner is OFF...

Страница 165: ...continuously S In HEAT operation S In COOL DRY operation Approx 35 Approx 65 Approx 20 Approx 59 c Memory flap When you press the AIR FLOW UP DOWN button once while the flap is operating it stops swin...

Страница 166: ...d then begins in the automatic operation Heating Dehumidifying Cooling Indoor air temperature C Outdoor air temperature C A b The unit checks the temperature every hour after the start of operation an...

Страница 167: ...ion mode 8 2 5 i ii 13 Heating high pressure control a Starting condition When the indoor heat exchanger temperature Th2 has become higher than the start temperature for 1 minute continuously b Conten...

Страница 168: ...ontrol CHECK button This button is used at servicing TEST button This button is used during test operation Weekly timer display Displays the settings of the weekly timer Operation setting display area...

Страница 169: ...ent time and the name of R C Change set temp button Displays the temperature which is set currently Tap this button to change the set temperature Change operation mode button Displays the operation mo...

Страница 170: ...once again it stops operating Used to swing the louver Every time this button is pressed displays switch as below Sets room temperature by pressing or button Sets time when setting the time Used to ca...

Страница 171: ...ting Louver auto swing stop However the stop position 4 position is cancelled so that it returns to Position 1 Remote control function items which have been set with the remote control function settin...

Страница 172: ...nu screen 1 Menu screen 3 Service password input Tap the Menu button on the TOP screen Main menu screen is displayed Tap the Service Maintenance on the menu screen Display the service password input s...

Страница 173: ...r failure compensation are as follows Note 1 Items f and g are memorized regardless whether the power failure compensation is effective or not while the setting of silent mode is cancelled regardless...

Страница 174: ...rature shown at right 59 56 Heating operation stopped cooling Heating OK Indoor heat exchanger temperature C b The following automatic controls are performed other than a above i Cooling or heating op...

Страница 175: ...ing Fan Operation Functional item Thermostat ON Thermostat ON Thermostat OFF Thermostat OFF Hot start Defrost Compressor 4 way valve Outdoor unit fan Indoor unit fan Drain pump 3 2 2 Thermostat ON The...

Страница 176: ...ekly timer Set the ON or OFF timer for a week Up to 8 patterns can be set for a day The day off setting is provided for holidays and non business days Note 1 It is necessary to set the clock to use th...

Страница 177: ...Thi R1 or R2 whichever higher detects 35 C or higher the fan operates with the set airflow volume c If the fan control at heating thermostat OFF is set at the Set airflow volume from the remote contro...

Страница 178: ...conditioner is operating SWING is displayed for 3 seconds and then the swing louver moves up and down continuously 2 To fix the swing louver at a position press one time the LOUVER button while the sw...

Страница 179: ...e indoor unit fan motor stops 2 Indoor fan OFF is fixed for 5 minutes After the 5 minutes the indoor fan is operated at ULo for 2 minutes In the meantime the louver is controlled at level 3 After oper...

Страница 180: ...indoor unit of which the thermostat has been turned OFF is turned OFF The same occurs also when the remote control sensor is effective 10 Filter sign As the operation time Total ON time of ON OFF swi...

Страница 181: ...the drain pump forcibly 3 Turning the drain detection switch OFF releases the forced drain pump ON condition Normal state 1 2 Normal state Drain detection switch ON Stop 1 Indoor unit operation mode...

Страница 182: ...return air detection temperature detected with Thi A is 23 C or higher and the indoor heat exchanger temperature detected with Thi R detects the compressor frequency drop start temperature A C 1 C of...

Страница 183: ...e control Pressing AIR CON No button on the remote control displays the indoor unit address If button is pressed at the next it is displayed orderly starting from the unit of youngest No iv In case of...

Страница 184: ...come independent functions each other 4 In case of CnT Number CnTA Number the CnT Number and the CnTA Number become competing functions each other 5 In case of CnT Number CnTA Number the function of C...

Страница 185: ...nal control set is changed from Individual Factory default to For all units all units connected in one wired remote control system can be controlled by external operation input Individual operation Fa...

Страница 186: ...ation permission start stop operation of the unit from the wired remote control becomes available When card key switch is OFF CnT 6 or CnTA OFF Operation prohibition the unit stops operation in conjun...

Страница 187: ...the indoor unit function If the external input is changed OPEN CLOSE operation modes are inverted Cooling Heating or Heating Cooling Operation Operation Operation Stop Stop Stop Stop Operation prohibi...

Страница 188: ...n the thermostat is likely to turn OFF earlier because the unit is installed at the ceiling where warm air tends to accumulate the setting can be changed with the wired remote control indoor unit func...

Страница 189: ...C unit goes thermo OFF 33 Auto fan speed control RC EX1A only In order to reach the room temperature to the set temperature as quickly as possible the airflow rate is increased when the set temperatur...

Страница 190: ...t SKM ZSP S models only Model Capacity SCM40ZS S SCM45ZS S SCM50ZS S SCM45ZS S 1 3 6 3 kW SCM50ZS S 1 4 7 3kW Model Capacity SCM40ZS S 1 3 6 1 kW Functional components Operation Compressor speed Indoo...

Страница 191: ...tes Hot keep operation 20 20 15 10 5 0 5 10 15 10 5 0 Outdoor air temperature Outdoor heat exchanger temperature Defrost operation start Defrost operation start temperature a Capacity control i Indoor...

Страница 192: ...pressor speed control 7 5 3 Protective control function 1 Cooling overload protective control a Operating conditions Item SCM40 45 50ZS S Outdoor air temperature Lower limit speed Model Outdoor air te...

Страница 193: ...compressor speed is set to 35 or 45 rps and even if the speed becomes lower than 35 or 45 rps the speed is kept to 35 or 45 rps However when the thermostat OFF the speed is reduced to 0 rps ii The up...

Страница 194: ...35 60 55 55 ON2 65 65 ON3 Unit rps Indoor unit 1 unit Indoor unit 2 units or more Indoor unit 1 unit Indoor unit 2 units 8 6 4 Outdoor air temperature C 6 ON2 ON1 12 10 ON3 8 10 11 13 16 17 OFF Upper...

Страница 195: ...have satisfied the following condition even on one unit b Contents of control i Stop the compressor and delay the start and then restarts ii Compressor stops by the abnormal stop when the compressor s...

Страница 196: ...Heating 10 0 12 0 10 0 10 0 7 5 7 5 Unit A 14 Discharge pipe sensor disconnection protection control a When the compressor speed is other than 0 rps i Tho D 10 Tho D 0 8 C and Tho D 10 Tho A 10 5 C Th...

Страница 197: ...ess 5th speed 4th speed Less than 30 48 or more 6th speed More than 30 but 48 or less 5th speed 4th speed 16 Serial signal transmission error protection a Purpose b Detail of operation 17 Rotor lock 1...

Страница 198: ...C for 30 seconds continuously while the compressor is operating ii Contents of control The outdoor fan is stepped up by 3 speed Upper limit 6th speed iii Reset condition When the compressor is turned...

Страница 199: ...Troubleshooting procedure If the air conditioner does not run at all Important YES YES YES NO NO NO NO YES AC source source satisfied 1 Cautions 2 Items to check before troubleshooting 3 Troubleshooti...

Страница 200: ...199 16 SCM T 199 4 Troubleshooting procedure If the air conditioner runs NO NO NO NO YES YES YES YES 200 201 207 201 207...

Страница 201: ...tarts The air conditioner stops Defective compressor Open phase on compressor Defective outdoor PCB Service valve is closed Refrigerant is insuf Outdoor sub PCB communication error Outdoor sub PCB fau...

Страница 202: ...t Data are recorded for up to 5 previous occurrences Data which are older than the 5th previous occurrence are erased In addition data on the temperature of each sensor room temperature indoor heat ex...

Страница 203: ...n speed mode 21 C 22 C 23 C 24 C 25 C 1 time previous previous time 2 times previous 3 times previous 4 times previous 5 times previous Only for indoor heat exchanger sensor 2 Indicates the number of...

Страница 204: ...the stop stop code 2 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 3 times previous when the air conditioner was stopped by...

Страница 205: ...ror content Cause Occurrence conditions Error display Auto recovery OFF 3 time flash 5 time flash 6 time flash 8 time flash 4 time flash 2 times 2 times 3 times 3 times 3 times When high pressure cont...

Страница 206: ...EAT TIMER light 1 s digit Display pattern when in service mode Fan speed mode when there is an abnormal stop 2 time flash 3 time flash 4 time flash AUTO HI MED LO 5 time flash ULO 6 time flash 7 time...

Страница 207: ...84 94 55 45 35 25 15 5 5 15 25 35 45 55 65 75 85 95 56 46 36 26 16 6 6 16 26 36 46 56 66 76 86 96 57 47 37 27 17 7 7 17 27 37 47 57 67 77 87 97 58 48 38 28 18 8 8 18 28 38 48 58 68 78 88 98 59 49 39 2...

Страница 208: ...126 146 48 28 8 8 28 48 68 88 108 128 148 50 30 10 10 30 50 70 90 110 130 150 52 32 12 12 32 52 72 92 112 132 54 34 14 14 34 54 74 94 114 134 56 36 16 16 36 56 76 96 116 136 58 38 18 18 38 58 78 98 1...

Страница 209: ...208 16 SCM T 199 09 SRK DB 087D Service data record form 202 Operation mode Fan speed mode Wireless r Wireless r Wireless r Wireless r Wireless r wireless Wireless r Refer...

Страница 210: ...0 Discharge pipe and power transistor sensor temperature characteristics Indoor fan motor error Broken sensor wire connector poor connection 0 0 20 40 60 80 100 120 135 20 40 60 80 100 120 140 160 180...

Страница 211: ...0 C sub main main main Limit switch anomaly SRK20 25 35 50ZMX S only Defective limit switch defective indoor control PCB Defective air inlet panel set Is the air inlet panel set correctly Are limit sw...

Страница 212: ...SCM T 199 Over heat of compressor Gas shortage defective discharge pipe sensor Error of signal transmission Wiring error including power cable defective indoor outdoor PCB 209 main indoor indoor outd...

Страница 213: ...outdoor PCB Power source reset Is it normalized Malfunction by temporary noise Replace fan motor If the error persists after replacing the fan motor replace the outdoor main PCB the fan motor and out...

Страница 214: ...ain motor driver Is the drain piping clogged or at the wrong gradient Drain motor is defective Inspect wiring Drain abnormality SRR only Drain piping defective pump defect float switch indoor PCB Serv...

Страница 215: ...ks and oscillating between DC 0 and 20V Inspect power source for outdoor unit Replace fuse Replace indoor PCB Is the fuse burnt out 3 15 A YES YES YES NO NO NO b Indoor unit fan motor check procedure...

Страница 216: ...YES YES YES NO NO NO b Indoor fan motor check procedure i Indoor PCB output check ii Fan motor resistance check FMI DC15V Indoor PCB DC280V DC several V 4 6V CNU GND Blue Yellow White Black Red Senso...

Страница 217: ...Check then the operation Faulty part other than fan motor YES Fan motor is faulty YES YES YES NO NO NO Replace the faulty part and the fuse Test run then the unit for checking Is there any damage on...

Страница 218: ...A BK WH WH S 1 CNMAIN SIN RIN BK WH SO RO 250V 15A FUSE RD C 1 CN20V 3 2 G1 Y G G2 Y G CNEEV1 CNA CNB TB1 N L EEV B Y G WH BK UNIT A UNIT B M M Power source 1 Phase AC220 240V 50Hz WH RD PCB 2 SUB PC...

Страница 219: ...G CNEEV1 CNEEV3 CNTH TB2 CNA CNB CNC TB1 N L EEV B EEV C Y G WH BK M M M WH RD BL PCB 2 SUB PCB 1 MAIN 20S HEATER WH RD CNHEAT 250V 20A 3 2 1 BK WH RD 3 2 1 3 2 1 BK WH BR BK WH BL t 2 Tho S Color ma...

Страница 220: ...0V DC15V Outdoor main PCB GND DC280V Red Black 20 M or higher Measuring point Resistance when normal Red Blue 20 M or higher White Black 20 k or higher 20 k or higher Brown Blue CNFAN Red Black White...

Страница 221: ...ature thermistor input circuit Replacement of PCB 1 time flash Keeps flashing Stays OFF Indoor return air temperature thermistor Defective indoor return air temperature thermistor defective element br...

Страница 222: ...re sensor 264 Outdoor main PCB Defective outdoor main PCB Defective temperature sensor input circuit Replacement of PCB Stays OFF Keeps flashing 1 time flash Outdoor main PCB compressor Current cut An...

Страница 223: ...one remote control Whenever excessively connected indoor units is detected after power ON Return air temperature thermistor anomaly 50 C or lower is detected for 5 seconds continuously within 60 minut...

Страница 224: ...ontrol and fuse Note 1 With regard to parts of high voltage circuits and refrigeration cycle judge it according to ordinary inspection methods b Instruction of how to replace indoor control PCB Read t...

Страница 225: ...wirings d Control PCB Parts mounting are different by the kind of PCB Part number SW2 Blue Address setting SW7 Function setting CNT Blue External switch CNJ White Louver motor CNN Yellow Thermistor H...

Страница 226: ...to the PCB Wiring connector color should match with the color of connector of the PCB Note 2 vi Let the wiring red and blue pass beneath the yellow green wiring and bind together with band vii Screw b...

Страница 227: ...to the PCB Match the wiring connector to the connector color on the PCB and connect it d Control PCB Parts mounting are different by the kind of PCB Item Switch Address SW2 OFF ON Content of control P...

Страница 228: ...d to the connector are removed iii Fix the board such that it will not pinch any of the wires iv Reconnect the wirings to the PCB Wiring connector color should match with the color of connector of the...

Страница 229: ...id Normal SW8 1 OFF SW8 2 OFF SW8 3 OFF SW8 4 OFF Keep OFF Reserved Reserved Reserved Keep OFF Keep OFF Keep OFF Reserved Model selection As per model See table 1 Remarks Address No setting at plural...

Страница 230: ...ferent indoor unit press the button which allows you to go back to the indoor unit selection screen Pressing the button will stop displaying data Pressing the RESET button during remote control unit o...

Страница 231: ...e display returns to the last precious screen Note 1 When two remote controls are used to control indoor units the check of anomaly operation data can be made on the master remote control only It cann...

Страница 232: ...tively b Operation for judgment i Power ON and start check operation on cooling or heating mode ii Check ON OFF status of 6 LED s on the checker iii Judge the PCB by ON OFF status of 6 LED s on the ch...

Страница 233: ...maly 250 E8 Heating overload operation 251 E9 Drain trouble FDTC and FDUM only 252 E10 Excessive number of connected indoor units more than 17 units by controlling with one remote control 253 E11 Addr...

Страница 234: ...pective parts NO YES YES NO YES YES YES NO NO Is the compressor operating NO YES NO Note 1 Outdoor 35 C Indoor 27 C 1 WAIT It is normal This unit is designed to start in the soft start mode by detecti...

Страница 235: ...ssor operating NO YES NO Note 1 Outdoor 7 C Indoor 20 C 1 WAIT It is normal This unit is designed to start in the soft start mode by detecting the under dome temperature of compressor when it restart...

Страница 236: ...M because of refrigerant migrated in the compressor When the earth breaker is activated at lower insulation resistance check the following points 6 hours after power ON check if the insulation resist...

Страница 237: ...ransmitting to wall and etc by fixing pipes on the wall or wrapping rubber cushion around the pipe which goes through the hole in the wall or applying other appropriate means Strength of ceiling wall...

Страница 238: ...particularly during cooling or defrosting in the heating mode It is normal The noise vibration occurs when the refrigerant starts or stops flowing It is normal When the defrost operation starts or st...

Страница 239: ...essary to recover refrigerant vacuum dry and recharge refrigerant Since there could be many causes of noise vibration the above do not cover all In such case check the conditions when where how the no...

Страница 240: ...M louver motor Is the louver operable with the remote control YES NO Does the louver operate at the power on YES NO YES NO Operate after waiting for more than 1 minute Repair wiring Defective indoor c...

Страница 241: ...erminal block of outdoor unit YES YES NO 2 1 Note 2 for GND Note 1 FDE FDUM F1 F2 Is DC5Vdetected between of CNW1 FDTC CNW2 NO YES YES Is JX1 open YES Defective outdoor sub PCB Noise filter Misconnect...

Страница 242: ...NO Is DC15V or higher detected between X Y of indoor unit terminal block YES YES YES NO Is DC180V between of CNW1 FDTC CNW2 YES NO NO Correct Replace wires Replace remote control Defective indoor powe...

Страница 243: ...Power source reset NO YES YES NO NO NO NO NO YES YES YES Set one remote control for Master and the other for Slave Set SW1 on remote control PCB at Master Set address again SW2 on indoor control PCB...

Страница 244: ...d Same as above 4 Presumable cause Improper setting Surrounding environment Defective remote control communication circuit Faulty indoor control or power PCB Faulty outdoor sub PCB Note If any error i...

Страница 245: ...WAIT YES YES YES YES To next page Normal Defective outdoor sub PCB Replace Defective indoor control PCB Replace Replace indoor control PCB Correct connection wires between indoor and outdoor units Def...

Страница 246: ...e power source fuse Diagnosis Countermeasure Replace the outdoor sub PCB YES YES NO YES Replace the outdoor main PCB Replace the reactor Isn t there a short circuit between phases of outdoor sub PCB A...

Страница 247: ...e control side after disconnecting the remote control Are wires connected properly between the indoor and the outdoor units Is approx DC20V detected between on the outdoor unit terminal block NO Is ap...

Страница 248: ...ion by noise Check peripheral environment Defective indoor control PCB Replace Defective remote control Replace 2 Error detection method When normal communication between the remote control and the in...

Страница 249: ...ource reset Note 2 Check for faulty connection or breakage of signal wires between indoor outdoor units YES NO YES NO Repair signal wires Repair signal wires Defective outdoor sub PCB Defective networ...

Страница 250: ...fective indoor control PCB Replace Defective indoor unit heat exchanger temperature thermistor input circuit 2 Error detection method Anomalously low temperature or high temperature resistance is dete...

Страница 251: ...thermistor Replace Defective indoor control PCB Replace Defective return air temperature thermistor input circuit 2 Error detection method Anomalously low temperature or high temperature resistance is...

Страница 252: ...ay E6 YES NO YES NO Error stop Reset Indoor heat exchanger temperature C 56 63 For the characteristics of indoor heat exchanger temperature refer to E6 Wash Defective indoor heat exchanger temperature...

Страница 253: ...t switch Defective indoor control PCB Replace Defective indoor control PCB Replace Check optional equipment Correct setting to Humidifier drain motor interlock Defective indoor power PCB Replace FDUM...

Страница 254: ...asure Aren t more than 17 indoor units connected to one remote control NO YES Defective remote control Replace Reduce to 16 or less units 2 Error detection method When it detects more than 17 of indoo...

Страница 255: ...Return address No to IU using or button 2 Error detection method IU address has been set using the Master IU address set function of remote control 3 Condition of error displayed Same as above 4 Presu...

Страница 256: ...er source Note 1 Set dip switches SW5 1 and SW5 2 as shown in the following table Factory default setting Master Master Slave a Slave b SW5 1 OFF OFF ON SW5 2 OFF ON OFF Dip switch Indoor unit YES NO...

Страница 257: ...PCB Replace fan motor If the error persists after replacing the fan motor replace the indoor control PCB Malfunction by temporary noise 2 Error detection method Detected by rotation speed of indoor f...

Страница 258: ...efective indoor control PCB Defective SW7 Replace Turn SW7 1 on the indoor control PCB OFF and reset the power 2 Error detection method After indoor operation check when the communication between indo...

Страница 259: ...l Replace the fan motor Check power source voltage Replace faulty fan motor and power PCB Replace fan motor If the error persists after replacing the fan motor replace the indoor control PCB Malfuncti...

Страница 260: ...er 3 minutes delay the compressor starts again automatically but if this error occurs again within 60 minutes after the initial detection 4 Presumable cause Faulty connection of remote control tempera...

Страница 261: ...re any fouling or clogging on heater exchanger Control operation check Defective outdoor main PCB Replace Excessive refrigerant amount Recharge refrigerant by weighing proper amount on a scale 2 Error...

Страница 262: ...ufficient refrigerant amount Recharge refrigerant by weighing proper amount on a scale Control operation check Defective outdoor main PCB Replace Check unit side Isn t filter clogged Are adequate indo...

Страница 263: ...mperature sensor Replace Defective outdoor main PCB Replace Defective outdoor heat exchanger temperature sensor input circuit 2 Error detection method Detection of anomalously low temperature resistan...

Страница 264: ...N the compressor stops After 3 minutes delay the compressor starts again automatically but if this anomalous temperature is detected 3 times within 40 minutes When 55 C or lower is detected for within...

Страница 265: ...ective discharge pipe temperature sensor Replace Defective outdoor main PCB Replace Defective temperature sensor input circuit 2 Error detection method Detection of anomalously low temperature resista...

Страница 266: ...ce Open the valves Check refrigerant amount and refregerant circuit In case of transitional increase of high pressure and or test run several times restarting may recover it because liquid refrigerant...

Страница 267: ...fully opened Is the filter clogged At heating does the indoor fan motor run Are the service valves fully opened Is the filter clogged Is there any liquid flooding Is the superheat within normal range...

Страница 268: ...nnector Check why power is not supplied to outdoor sub PCB Connect communication wire securely Defective outdoor sub PCB Replace Malfunction by temporary noise 2 Error detection method Detected commun...

Страница 269: ...or foreign matter like dust fouling etc YES Is voltage within the specified range NO Restore normal condition Restore normal condition Remove foreign matter like dust fouling etc Defective outdoor sub...

Страница 270: ...ction by temporary noise 2 Error detection method Detected by rotation speed of outdoor fan motor 3 Condition of error displayed When actual rotation speed of outdoor fan motor drops to 75min 1 or low...

Страница 271: ...untermeasure 2 Error detection method 3 Condition of error displayed 4 Presumable cause Note If the power transistor primary current exceeds the setting value for 3 seconds the compressor stops Power...

Страница 272: ...Replace Defective outdoor sub PCB Replace Defective suction pipe temperature sensor input circuit 2 Error detection method Detection of anomalously low temperature resistance on suction pipe temperatu...

Страница 273: ...0 40 20 50 Temperature thermistor resistance k Temperature C 5k at 25 C Broken wire Short circuit Open fully Correct indoor heat exchanger return air temperature thermistor connector connections Defec...

Страница 274: ...under Same as above Excessive refrigerant amount Indoor outdoor unit installation spaces Faulty compressor Defective outdor air temp sensor Defective outdoor main PCB Diagnosis Countermeasure 2 Error...

Страница 275: ...Check refrigerant amount and refrigerant circuit Repalce compressor Defective outdoor main PCB Replace Defective outdoor main PCB Replace Repalce compressor 2 Error detection method If it fails to ch...

Страница 276: ...resistance Replace compressor if necessary Defective outdoor main PCB Replace 2 Error detection method Compressor rotor position 3 Condition of error displayed If it fails again to detect the rotor po...

Страница 277: ...Forced operation of drain pump Forced operation of drain pump is sent to the indoor unit 20 Setting of compressor frequency Fixing compressor frequency 21 Quiet mode On timer in order to start quiet m...

Страница 278: ...check signal is received RAC unit does not have this function Display of check Display of checking in case of signal of error code address from remote control RAC unit does not have this function Disp...

Страница 279: ...case with a nipper or knife and grind burrs with a file etc Install the lower case to the flat wall with attached two wooden screws Connect the remote control cord to the terminal block Connect the t...

Страница 280: ...emote control cord art or center upper part h a nipper or knife oden screws Connect the remote control cord to the terminal block Connect the terminal of remote control X Y with the terminal of indoo...

Страница 281: ...button once and change to the TEMP RANGE indication 3 Press SET button and enter the temperature range setting mode 4 Select UPPER LIMIT or LOWER LIMIT by using button 5 Press SET button to fix 6 When...

Страница 282: ...ordingly You can select the louver stop position in the four The louver can stop at any position In normal working indication indoor unit temperature is indicated instead of airflow Only the master re...

Страница 283: ...5 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of i...

Страница 284: ...nty minutes OFF or heating thermostat is OFF the fan perform intermittent operation for five minutes e minutes OFF g type indoor unit and is automatically defined e split series the indoor fan tap is...

Страница 285: ...284 16 SCM T 199 B PJZ012D077 2 Model RC EX1A eco touch REMOTE CONTROL RC EX1A INSTALLATION MANUAL...

Страница 286: ...the Installation Manual should be given to a new owner WARNING Ask a professional contractor to carry out installation work according to the installation manual Improper installation work may result...

Страница 287: ...ontrol to medical or communication equipment could disrupt medical activities video broadcasting or cause noise interference CAUTION Do not install the remote control at following places It could caus...

Страница 288: ...m 2 0 mm2 x 2 core 3 Remote control installation procedure Determine where to install the remote control Installation Using a switch box Installed directly on a wall Wiring direction Backward Upper ce...

Страница 289: ...procedure Dimensions Viewed from front Take care to protect the removed upper case from moisture or dust PCB side Viewed from rear To remove the upper case from the bottom cases of R C Insert the tip...

Страница 290: ...om case In case of exposing wiring When the wiring is taken out from the upper center or upper left of R C Cut out the thin wall sections on the cases for the size of wire Upper center Upper left Uppe...

Страница 291: ...two or more R C Up to two units of R C can be used at the maximum for 1 indoor unit or 1 group One is main R C and the other is sub R C Operating range is different depending on the main or sub R C R...

Страница 292: ...USB simultaneously with other USB devices It could cause malfunction or breakdown of R C or personal computer USB port Cover Note Initializing of password Administrator password for daily setting ite...

Страница 293: ...located on the refrigerant pipes side Remove two screws and detach the lid from the control box of the air conditioner Setting on site PCB on the receiver has the following switches to set the functio...

Страница 294: ...he receiver is pressed If the backup button on the receiver is pressed during a test run it will end the test run If you cannot operate the unit properly during a test run please check by consulting w...

Страница 295: ...t 4 Places where the receiver is influenced by the fluorescent lamp or sunlight 2 Places near heat devices 5 Places where the receiver is affected by infrared rays of any other communication devices 3...

Страница 296: ...the back ATTENTION DO NOT remove the clamp fixed the wiring Installation of the receiver Check direction of the receiver and fix to the panel CAUTION Connect the connectors before installing the rece...

Страница 297: ...in connecting a plural number of indoor units Condition Illuminance at the receiver area 360 lux Top view 60 5m 5m 60 5m Receivable range Receivable range Wireless remote control unit 1m 2 4m 60 5m Re...

Страница 298: ...se check wiring by consulting with inspection guides Backup switch 7 segment indicator Light receiving section TIMER CHECK RUN Receiver continued Backup button Cooling test run operation How to read t...

Страница 299: ...indoor unit series are not able to be set with this wireless remote control RCN KIT3 E 1 4 fan speed setting PHi Hi Me Lo 3 fan speed setting Hi Me Lo 3 FDUM series RCN KIT3 E 88 A Direct installation...

Страница 300: ...the unit properly during a test run please check by consulting with inspection guides on the wiring diagram of outdoor units Cut off the thin section on the side of the upper case with a pair of nipp...

Страница 301: ...tioner FAN SPEED button Button to set the fan speed AIR CON No button Indicates the No of air conditioner which is connected MODE button Use to select the mode TEMP button Use to raise the setting tem...

Страница 302: ...tion 2 Maximum prolongation of remote control wiring is 600m If the prolongation is over 100m change to the size below But the wiring in the remote control case should be 0 3mm2 recommended to 0 5mm2...

Страница 303: ...se of the remote control is mounted to a flat wall with two accessory wood screws Connect the remote control cord to the terminal block Connect the terminals X and Y of the remote control and the term...

Страница 304: ...removed screw e remote control cord to the wall surface with a ntrol cord 2 core wires or cables on site configuration is 600 m size below d be 0 3mm2 recommended to 0 5mm2 ing to wire connecting Wat...

Страница 305: ...or enabled offset temperature at 1 0 C 06 Remote control thermistor 2 0 C At the time of heating in the case of remote control thermistor enabled offset temperature at 2 0 C 07 Remote control thermist...

Страница 306: ...seconds Setting number 01 lighting for 3 to 20 seconds Then the screen goes back to the function number blinking indication if the setting is sequentially conducted continue with the same procedures...

Страница 307: ...se instruction Safety precautions Before use please read these Safety Precautions thoroughly before installation All the cautionary items mentioned below are important safety related items to be taken...

Страница 308: ...unit approximately 1 3m Be sure not to extend the connection cable on site If the connection cable is extended malfunction may occur Fix the interface on the wall pillar or the like Cut out the punch...

Страница 309: ...ct a external remote control unit procured locally to CnT terminal In case of the pulse input switch OFF the DIP switch SW2 1 on the interface PCB When setting operation permission prohibition mode sw...

Страница 310: ...l the wired remote control with reference to the attached instruction manual of wired remote control B 0 3mm2 x 2 core cable should be used for the wiring of wired remote control C Maximum length of w...

Страница 311: ...310 16 SCM T 199 4 10 5 Superlink E board SC ADNA E F SL2NA E and SL4 AE BE to control...

Страница 312: ...311 16 SCM T 199...

Страница 313: ...nstalling the unit 1 Place the unit as shown below 2 Remove the bottom plate and duct flange plate of rear from the unit Keep the removed tapping screws to reuse later The number of tapping screws to...

Страница 314: ...surface etc Run the sensor cable in a place where the power cable or electrical noise will not cause any abnormal operation 3 Installation procedure a Insert the tip of slotted screwdriver to the gap...

Страница 315: ...Connect the cable from remote sensor box and the cut wiring procedure 6 of CNG connector No polarity Be sure to connect the wirings by solder separately Then wirings should prevent a short circuit sep...

Страница 316: ...o overturn of the unit Turn off the power source during servicing or inspection work If the power is supplied during servicing or inspection work it could cause electric shock and injury by the operat...

Страница 317: ...ions of intake outdoor air do not meet process the outdoor air before intaking 2 Intake outdoor air volume Intake outdoor air volume is 2 6 m3 min at the maximum when two sets of duct joints are used...

Страница 318: ...e figure For the height position of hanging the indoor unit refer to Section 5 Fix the brackets 3 and 4 2 pieces each with bolts Install OA spacer i Install it in the way that the recess of OA spacer...

Страница 319: ...e put on distant place Conrm there is no backlash between the hanger plate for suspension bolt and the lower nut and washer Use the level gauge only when OA spacer has been installed before hanging 1...

Страница 320: ...ed by assembling on the spacer TC OAS E Con rm the following parts are included 1 Before installation Fix the product on the spacer TC OAS E as shown below For the installation method refer to the ins...

Страница 321: ...del 5pcs 1pc 1pc Installation Points and Operating Instructions for the Filter Kit CAUTION PJZ012D076 This manual contains installation points and operating instructions for the filter kit manufacture...

Страница 322: ...pper side 2 Install the rail on both inner sides of the duct with the screw 3 Install the air filter on the rails Installation procesure 4 Install the bracket on the rail with the screw PJZ012D076 Whe...

Страница 323: ...icient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj Tj 2 Pdh kW Tj 2 COPd Tj 7 Pdh kW Tj 7 C...

Страница 324: ...mer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj Tj 2...

Страница 325: ...g Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj...

Страница 326: ...clared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj Tj 2 Pdh kW Tj 2 COPd Tj 7 P...

Страница 327: ...indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj Tj 2 Pdh kW Tj 2 C...

Страница 328: ...indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj Tj 2 Pdh kW Tj 2 CO...

Страница 329: ...eason at indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj Tj 2 Pdh k...

Страница 330: ...Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj T...

Страница 331: ...Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj Tj...

Страница 332: ...Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj Tj...

Страница 333: ...Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj T...

Страница 334: ...g Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 0 2 e r u t a r e p m e t j T e r u t a r e p m e t r o o d t u o d n a and outdoor temperature Tj...

Страница 335: ...o 108 8215 Japan http www mhi mth co jp en INVERTER MULTI SPLIT SYSTEM RESIDENTIAL AIR CONDITIONERS Because of our policy of continuous improvement we reserve the right to make changes in all specific...

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