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Mitsubishi Electric 500YEMK-A, Руководство по обслуживанию

Mitsubishi Electric 500YEMK-A - это продукт, который идеально подходит для ваших потребностей. Сервисное руководство и инструкция по эксплуатации доступны для бесплатного скачивания с нашего веб-сайта. Не упустите возможность получить все необходимые сведения, чтобы использовать этот продукт наилучшим образом.

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-184-

No

SW1

Item

Display

Remarks

12345678910

LD1

LD2

LD3

LD4

LD5

LD6

LD7

LD8

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

0011010100

1011010100

0111010100

1111010100

0000110100

1000110100

0100110100

1100110100

0010110100

1010110100

0110110100

1110110100

0001110100

1001110100

0101110100

1101110100

0011110100

1011110100

0111110100

1111110100

0000001100

1000001100

0100001100

1100001100

0010001100

1010001100

0110001100

1110001100

0001001100

1001001100

0101001100

1101001100

0011001100

1011001100

0111001100

1111001100

IC13 Gas Pipe Temperature

IC14 Gas Pipe Temperature

IC15 Gas Pipe Temperature

IC16 Gas Pipe Temperature

IC1 SH

IC2 SH

IC3 SH

IC4 SH

IC5 SH

IC6 SH

IC7 SH

IC8 SH

IC9 SH

IC10 SH

IC11 SH

IC12 SH

IC13 SH

IC14 SH

IC15 SH

IC16 SH

IC1 SC

IC2 SC

IC3 SC

IC4 SC

IC5 SC

IC6 SC

IC7 SC

IC8 SC

IC9 SC

IC10 SC

IC11 SC

IC12 SC

IC13 SC

IC14 SC

IC15 SC

IC16 SC

– 99.9 ~ 999.9

Variable capacity unit

Содержание 500YEMK-A

Страница 1: ...HY P400YEM A P500YEM A PUHY P600YSEM A P650YSEM A P700YSEM A P750YSEM A PUHY 400YEM A 500YEM A PUHY 400YEMK A 500YEMK A PUHY 400YEMC A 500YEMC A PUHY 600YSEM A 650YSEM A 700YSEM A 750YSEM A PUHY 600YSEMK A 650YSEMK A 700YSEMK A 750YSEMK A PUHY 600YSEMC A 650YSEMC A 700YSEMC A 750YSEMC A HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100 0005 TELEX J24532 CABLE MELCO TOKYO Issued in January 200...

Страница 2: ...w Chart 106 3 List of Major Component Functions 111 4 Resistance of Temperature Sensor 115 6 REFRIGERANT AMOUNT ADJUSTMENT 116 1 Operating Characteristics and Refrigerant Amount 116 2 Adjustment and Judgement of Refrigerant Amount 116 3 Refrigerant Volume Adjustment Mode Operation 119 7 TROUBLESHOOTING 125 1 Principal Parts 125 2 Self diagnosis and Countermeasures Depending on the Check Code Displ...

Страница 3: ...ility Engineering Standard and Interior Wire Regulations and the instructions given in this manual and always use a dedicated circuit If the power source capacity is inadequate or electric work is performed improperly electric shock and fire may result Securely install the cover of control box and the panel If the cover and panel are not installed properly dust or water may enter the outdoor unit ...

Страница 4: ...er than that specified If another refrigerant is used the chlorine in the refrigerant may cause the refrigerator oil to Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refriger ant cycle and cause the refrigerator oil to deteriorate Do not use the following tools that have been used with conventional refrigerants Gauge manifold charge hose gas leak dete...

Страница 5: ...ends of the pipes should be sealed until immediately before brazing Wrap elbows and T s in plastic bags for storage The new refrigerator oil is 10 times more hygroscopic than the conventional refrigerator oil such as Suniso Water infiltration in the refrigerant circuit may deteriorate the oil or cause a compressor failure Piping materials must be stored with more care than with the conventional re...

Страница 6: ...ons Use only the necessary minimum quantity of oil Reason 1 The refrigerator oil used for the equipment is highly hygroscopic and may introduce water inside Notes Introducing a great quantity of mineral oil into the refrigerant circuit may also cause a compressor failure Do not use oils other than ester oil ether oil or alkylbenzene ...

Страница 7: ...hen brazing between copper pipes or between a copper pipe and copper coupling 4 If installed refrigerant pipes are not immediately connected to the equipment then braze and seal both ends of them Reasons 1 The new refrigerant oil is 10 times more hygroscopic than the conventional oil The probability of a machine failure if water infiltrates is higher than with conventional refrigerant oil 2 A flux...

Страница 8: ...ircuit when the vacuum pump power is turned off power failure refrigerant It is also possible to attach a check valve to the actual vacuum pump afterwards 2 Standard degree of vacuum for the vacuum pump Use a pump which reaches 0 5 Torr 500 MICRON or below after 5 minutes of operation In addition be sure to use a vacuum pump that has been properly maintained and oiled using the specified oil If va...

Страница 9: ...ant whose evaporation temperature is closest to the outside temperature is charged first while the rest of refrigerants remain in the cylinder Note In the case of a cylinder with a syphon liquid R407C is charged without turning the cylinder up side down Check the type of cylinder before charging 7 Dryer 1 Replace the dryer when the refrigerant circuit is opened Ex Change the compressor full gas le...

Страница 10: ...PUHY P YEM A only Solenoid Valve SV8 PUHY P YEM A only Four way Valve 21S4b Four way Valve 21S4a Heat Exchanger Ambient temperature Sensor Accumlator Constant Capacity Compressor No 2 Compressor Crank Case Heater Oil Equalization Pipe Variable Capacity Compressor No 1 Compressor Oil Separator 1 Variable capacity unit Rear COMPONENT OF EQUIPMENT ...

Страница 11: ... Sensor Accumlator Controller box Oil balance pipe Crank Case Heater Constant capacity compressor No 3 compressor Liquid ball valve Four way valve Gas ball valve Service check point right high pressure left low pressure 2 Constant capacity unit Rear Solenoid valve SV2 PUHN P YEM A only Heat exchanger ...

Страница 12: ... MAIN board Choke coil L2 Inteligent Power Module IPM G A board Y C board SNB board Diode stack DS Magnetic contactor 52C2 Magnetic contactor 52C1 Magnetic contactor 52F Overload relay 51C2 FANCON board for MF2 Capacitor C2 C3 Smoothing capacitor Noise filter NF ...

Страница 13: ...trol 1 2 30V 1 3 30V 4 6 12V 5 6 5V CNVCC4 Power source for control 5V CN51 Indication distance 3 4 Compressor ON OFF 3 5 Trouble CNRS3 Serial transmission to INV board CN3D CN3S CN3N LD1 Service LED SW1 SWU1 SWU2 SW2 SW3 SW4 CN20 Power supply 3 L1 1 N MAIN board ...

Страница 14: ...N52C Control for 52C CNR CNVDC 1 4 DC 560V CN15V2 Power supply for IPM control CNVCC4 Power supply 5V CNL2 Choke coil CNDR2 Out put to G A board CNVCC2 Power supply 1 2 30V 1 3 30V 4 6 12V 5 6 5V CNTH CNACCT CNRS2 Serial transmission to MAIN board SW1 INV board ...

Страница 15: ... 12 FANCON board G A board CNFAN CNFC2 CNPOW CNE CNDC1 CN15V1 CNDR1 CNIPM1 ...

Страница 16: ... 13 Y C board SNB board ...

Страница 17: ... 14 RELAY board CNRT2 CNCH CN52C2 CN52F CN51C2 CNOUT2 ...

Страница 18: ... unit Transformer Magnetic contactor 52C Thermal overload relay 51C Fuses F1 F2 Thyristor module SCRM FANCON board Noise Filter NF Terminal block TB3 transmission Terminal block TB1 powersource Controller Box Control board ...

Страница 19: ... 16 CONT board CNTR SWU2 SWU1 SW3 SW2 CNS1 M NET transmission CNFC1 CN20 Power supply 1 N 3 L1 ...

Страница 20: ... 17 FANCON board CNW CNV CNU CNFC2 ...

Страница 21: ...BV2 BV1 TH12 Comp2 Comp1 CV2 SA MA CP3a SV6 LEV1 63H1 63H2 21S4a 21S4b SV5b SV22 SV32 ST5 ST6 CP3b ST3 ST4 ST9 ST8 TH9a ST2 ST1 CJ3 ST7 TH9b TH2 Drier CP2 TH10c 63LS CV3 CP5 TH10b TH10a SLEV SV8 SV7 There are SV22 SV32 only for PUHY P500 2 Refrigerant Circit Diagram and Thermal Sensor PUHY P400 500YEM A ...

Страница 22: ...HEX2b HEX1b 21S4b 21S4a CJ1 63HS ST5 SV4 SV6 TH11 63H1 CV1 CV3 O S CJ2 BV1 ST1 MA SA TH2 CP2 ST2 BV2 BV3 ST8 ST9 TH3 ST3 TH7 ST7 TH9 TH10a TH10b LEV1 SCC TH4 ST4 CJ3 63H2 CV2 CP3a SV22 SV32 TH12 CP3b No 2 Comp There are SV22 SV32 only for PUHY 500 PUHY 400 500YEM K C A ...

Страница 23: ...P3b ST3 ST4 ST9 ST8 TH9a ST2 ST1 CJ3 ST7 TH9b TH2 Drier CP2 TH10c 63LS CV3 CP5 TH10b TH10a Distributor TH7 TH5 O S TH11 CJ2 SV4 SV1 CP1 TH4 TH3 BV2 BV1 Comp1 HEX2 HEX1 SV5b SA MA CP3 LEV1 63H 21S4 CJ1 CV1 BV3 ST1 ST2 ST5 ST6 ST9 ST3 ST4 ST8 TH10a CV2 CP5 LEV2 TH6 63LS ST10 ST7 TH9 TH8 TH10b SV3 SV2 SLEV PUHY P600 650 700 750YSEM A There are SV22 SV32 only for PUHY P700 750 PUHN P200 250 PUHY P400 ...

Страница 24: ...TH9 LEV1 ST7 TH7 TH2 CP2 CJ2 SCC SCC ST1 BV1 Distributer Gas Indoor unit BV2 ST2 BV3 BV1 ST1 CJ2 63LS MA SA CP3 ST8 ST4 TH4 ST3 TH3 CP1 SV1 ST6 CV1 O S CJ1 ST5 SV4 21S4 TH11 63H Comp1 TH10a TH6 HEX1 HEX2 TH5 TH8 ST10 TH9 LEV1 ST7 TH7 CV2 BV2 SV5b CP5 LEV2 ST2 TH10b BV3 Oil balance pipe Distributer Liquid ST9 PUHY 400 500 PUHN 200 250 There are SV22 SV32 only for PUHY 700 750 CV3 CP5 PUHY 600 650 7...

Страница 25: ...3 4 5 CNDR2 9P 14 13 11 10 12 12 1011 1314 5 4 3 2 1 6 7 8 9 5 4 3 2 1 6 7 8 9 5 1 2 3 4 U V W P N IPM CNDR1 9P CN15V1 14P 4 CNACCT 4P 5 4 3 1 2 1 6 7 8 3 1 2 1 2 3 1 2 3 1 2 3 4 5 2 3 4 2 5 1 1 CN3D 3P 3 2 CN51 5P 12V F1 250VAC 1 2 3 Black White Red 1 2 3 ZNR4 C1 R5 R1 52C1 DCL C2 C3 R2 R3 CN02 8P CN01 2P CNH 3P CNL 3P CNLV1 5P CN06 CN09 1 2 2P 1 2 2P 3 2P CN07 2 1 U W MC2 V 1 3 5 6 4 2 6 5 4 3 2...

Страница 26: ... U W MC1 V Motor Compressor Red Black CN05 4P CN03 3P CN02 8P CN01 2P CNL 3P CN33 6P CNLV1 5P CNTR 2P CNLV2 6P Controller Box CNW 5P CNV 5P CNFC2 6P CNU 5P 1 3 5 6 4 2 6 5 4 3 2 1 CN12 TH10b 1 2 2P TH10a 1 2 3 3 2 1 5 4 3 2 1 6 6 5 4 S X02 SV1 51C CN46 3P CNCH11 3P CH11 52C1 CN52C1 5P X06 X07 52C1 51C1 13 14 A1 A2 Detection circuit Detection circuit ZNR01 L1 L2 L3 L1 L2 L3 CH3 CH2 X05 X04 SSR01 1 ...

Страница 27: ...12 1 30 1 60 51 65 50 27 10 11 2 16 0 23 26 12 125 125 100 63 32 125 125 125 100 32 10 10 10 10 10 10 10 10 10 10 Hi Hi Hi Hi Hi Hi Hi Hi Hi Hi 410 410 360 360 340 410 410 410 360 280 DB WB Set m kg A V Pulse C Outdoor unit Indoor unit Outdoor unit Items Ambient temp Indoor unit Piping Condition Indoor Outdoor Quantity Quantity in operation Model Main pipe Branch pipe Total piping length Outdoor u...

Страница 28: ...n operation Model Main pipe Branch pipe Total piping length Variable capacity unit Constant capacity unit DB WB Set m kg A V Pulse MPa C Outdoor unit Sectional temperature Pres sure LEV opening Indoor unit fan notch Refrigerant volume Current Voltage Indoor unit SC LEV1 Oil return SLEV SC LEV1 Liquid pipe LEV2 High pressure Low pressure after O S before Main ACC PUHY P600YSEM A PUHY P700YSEM A PUH...

Страница 29: ... 179 200 344 116 60 2 11 0 45 2 11 0 44 92 102 97 102 42 6 8 7 13 13 13 5 7 1 1 2 30 2 60 51 65 50 27 11 10 2 3 16 0 23 102 30 3 50 27 12 4 26 12 Variable capacity unit Constant capacity unit Indoor unit Outdoor unit Items Ambient temp Indoor unit Piping Condition Indoor Outdoor Quantity Quantity in operation Model Main pipe Branch pipe Total piping length Variable capacity unit Constant capacity ...

Страница 30: ...nger outlet TH5 Inlet Accumulator Outlet Suction Comp No 1 No 2 Low pressure saturation temperature TH2 Upper TH4 Liquid level Lower TH3 Shell bottom Comp No 1 No 2 SCC outlet TH7 Bypass outlet TH8 Bypass inlet TH9 LEV inlet Heat exchanger outlet Outdoor unit Sectional temperature Pressure LEV opening Indoor unit fan notch Refrigerant volume Total current Voltage Indoor unit SC LEV1 Oil return SLE...

Страница 31: ...pass inlet TH9 LEV inlet Heat exchanger outlet Variable capacity unit Constant capacity unit DB WB Set m kg A V Pulse C Outdoor unit Sectional temperature Pres sure LEV opening Indoor unit fan notch Refrigerant volume Current Voltage Indoor unit SC LEV1 Oil return SLEV SC LEV1 Liquid pipe LEV2 High pressure Low pressure after O S before Main ACC PUHY 600YSEM A PUHY 700YSEM A PUHY 400YEM A PUHY 500...

Страница 32: ...pass inlet TH9 LEV inlet Heat exchanger outlet Variable capacity unit Constant capacity unit DB WB Set m kg A V Pulse MPa C Outdoor unit Sectional temperature Pres sure LEV opening Indoor unit fan notch Refrigerant volume Current Voltage Indoor unit SC LEV1 Oil return SLEV SC LEV1 Liquid pipe LEV2 High pressure Low pressure after O S before Main ACC PUHY 650YSEM A PUHY 750YSEM A PUHY 400YEM A PUHY...

Страница 33: ...0 0 7 0 6 0 7 0 6 0 5 5 5 55 55 5 5 5 22 4 27 7 25 6 24 3 23 4 32 1 30 5 29 4 0 122 2 11 0 35 2 11 0 31 88 93 88 93 3 1 6 7 6 7 5 2 5 0 10 30 6 43 45 40 33 5 6 6 7 7 0 28 81 34 DB WB Set m kg A V Pulse MPa C Outdoor unit Items Ambient temp Indoor unit Piping Condition Indoor Outdoor Quantity Quantity in operation Model Main pipe Branch pipe Total piping length Outdoor unit Indoor unit Outdoor unit...

Страница 34: ...22 198 0 500 2 11 0 34 2 11 0 34 88 93 3 1 5 6 5 6 5 2 6 0 9 10 30 5 6 43 45 40 33 5 5 5 6 6 0 28 93 1 30 5 33 1 81 34 Variable capacity unit Constant capacity unit Indoor unit Outdoor unit Items Ambient temp Indoor unit Piping Condition Indoor Outdoor Quantity Quantity in operation Model Main pipe Branch pipe Total piping length Variable capacity unit Constant capacity unit DB WB Set m kg A V Pul...

Страница 35: ...ration Model Main pipe Branch pipe Total piping length Variable capacity unit Constant capacity unit DB WB Set m kg A V Pulse kg cm2 G MPa C Outdoor unit Sectional temperature Pres sure LEV opening Indoor unit fan notch Refrigerant volume Current Voltage Indoor unit SC LEV1 Oil return SLEV SC LEV1 Liquid pipe LEV2 High pressure Low pressure after O S before Main ACC PUHY P650YSEM A PUHY P750YSEM A...

Страница 36: ...re saturation temperature TH2 Upper TH4 Liquid level Lower TH3 Shell bottom Comp No 1 No 2 Heat exchanger gas line TH10a TH10b Heat exchanger inlet LEV inlet DB WB Set m kg A V Pulse MPa C Outdoor unit Items Ambient temp Indoor unit Piping Condition Indoor Outdoor Quantity Quantity in operation Model Main pipe Branch pipe Total piping length Outdoor unit Indoor unit Outdoor unit Sectional temperat...

Страница 37: ...s line TH10a Heat exchanger inlet LEV inlet Variable capacity unit Constant capacity unit DB WB Set m kg A V Pulse MPa C Outdoor unit Sectional temperature Pres sure LEV opening Indoor unit fan notch Refrigerant volume Current Voltage Indoor unit SC LEV1 Oil return SLEV SC LEV1 Liquid pipe LEV2 High pressure Low pressure after O S before Main ACC PUHY 600YSEM K C A PUHY 700YSEM K C A PUHY 400YEM K...

Страница 38: ...er gas line TH10a Heat exchanger inlet LEV inlet Variable capacity unit Constant capacity unit DB WB Set m kg A V Pulse C Outdoor unit Sectional temperature Pres sure LEV opening Indoor unit fan notch Refrigerant volume Current Voltage Indoor unit SC LEV1 Oil return SLEV SC LEV1 Liquid pipe LEV2 High pressure Low pressure after O S before Main ACC PUHY 650YSEM K C A PUHY 750YSEM K C A PUHY 400YEM ...

Страница 39: ...t tempera ture Defrosting end tempera ture Target low pressure change Pump Down Function Target high pressure change Models SW4 3 Function valid Invalid Change service LED Configuration compensa tion Auto changeover function value Switch Target low pressure change Models Switch Function During normal operation when power is on Invalid 2 hours after compressor starts Before power is turned on Befor...

Страница 40: ...l 8 C 7 C Ordinary control R22 Model Model 200 Before power is turned on During normal operation when power is on During normal operation when power is on During normal operation when power is on Except during defrosting During normal operation when power is on Before power is turned on When switching on the power Unit Address Setting Ignore liquid level errors Forced defrosting Defrosting start t...

Страница 41: ...rget high pressure change Models Change service LED Switch Models Switch Function During normal operation when power is on Invalid 2 hours after compressor starts PUHY 600 650 700 750 YSEM K C A PUHY 400 500YEM K C A 1 Variable Capacity Unit MAIN board Function According to Switch Operation Switch Set Timing Before power is turned on Before power is turned on Before power is turned on During norma...

Страница 42: ...peration when power is on During normal operation when power is on Except during defrosting During normal operation when power is on Before power is turned on When switching on the power Ignore liquid level errors Start forced defrosting 2 C 12 Ignore oil equalization circuit irregularities R407C Model Model 250 Unit Address Setting Ignore liquid level errors Forced defrosting Defrosting start tem...

Страница 43: ...detect Filter duration OA intake Remote display select Humidifier control Heating thermo OFF airflow Heating thermo OFF airflow Power failure automatic return Power source start stop Model selection Louver Vane Vane swing function Vane horizontal angle Vane angle set for cooling Heating 4deg up Always ineffective for PKFY P VAM Not provided for PKFY P VAM Provided for PLFY P VGM ON setting Always ...

Страница 44: ...eight setting External static pressure setting For options Setting of air outlet opening Airflow control PLFY P VKM A PCFY P VGM A PLFY P VLMD A PLFY P VKM A PLFY P VKM A PCFY P VGM A PKFY P VGM A PDFY P VM A Phase control Relay selection The ceiling height is changed by SWB setting As this switch is used by interlocking with SWC refer to the item of SWC for detail SWA SWB 1 2 3 2 way 3 5 m 3 8 m ...

Страница 45: ...f indoor units and the total number of remote controllers is displayed within the parenthesis 1 If even one unit that is higher than 200 exists in the cooling system the maximum capacity will be 200 or higher Please refer to the installation manual for more details Before turning power on to the outdoor unit first turn on the transmission booster If the outdoor unit are mistakenly turned on first ...

Страница 46: ...ortions of each water piping Water is supplied to water supply tank and float switch is operating Work Content of test run Check point Result Disassembling and assembling of drain water lifting up mechanism Mounting of float switch Electric wiring Lead wire from control box not damaged Rubber cap properly inserted to drain water outlet of drain pan Insulation pipe of gas and liquid pipes dealt wit...

Страница 47: ...ct L line and N line connected correct Not operate Not cool at cooling Not heat at heating Not cool not heat error stop Condensation drip in piping Not cool not heat error stop Water leak condensation drip in drain piping Error stop not operate Electric shock Error stop not operate Some electric parts will be damaged 1 2 3 4 3 4 5 6 7 8 1 2 3 4 Branch pipe properly selected Refrigerant piping diam...

Страница 48: ...us operation error stop Erroneous operation error stop Error stop in case multiple core cable is used Erroneous operation error stop Not operate Not operate Error stop or not operate Never finish the initial mode System set Before starting Error stop or not operate 1 case of R2 WR2 BIGR2 series Can not be properly set with power source turned on Not operate Set temperature not obtained at heating ...

Страница 49: ...n Insulation work for piping properly done Specified amount of refrigerant replenished Pitch and insulation work for drain piping properly done Specified switch capacity and wiring diameter of main power source used Proper grounding work done on outdoor unit Not operate Not cool at cooling Not heat at heating Not cool not heat error stop Condensation drip in piping Not cool not heat error stop Wat...

Страница 50: ...Setting of address No done when shutting off power source Address numbers not duplicated Turned on SW3 8 on indoor unit circuit board when mounting room thermistor sensor Refrigerant piping ball valve Liquid pressure pipe gas pressure pipe oil balance pipe opened Turn on power source 12 hours before starting opera tions Erroneous operation error stop Erroneous operation error stop Error stop in ca...

Страница 51: ...sure that interlocking devices such as ventilator operate normally if any 9 Press button to cancel test run Stop operation Note 1 If check code is displayed on remote controller or remote controller does not operate normally 2 Test run automatically stops operating after two hours by activation of timer set to two hours 3 During test run test run remaining time is displayed on time display section...

Страница 52: ... switch is used to retrieve identify the content of group and interlocked connection information registered This switch is used to retrieve identify the content of group and interlocked connection information registered This switch selects the case to register indoor units as group group setting mode or that as interlocked interlocked setting mode The unit address is shown at one spot for the grou...

Страница 53: ... registration information of indoor units The address of the registered indoor units in group is retrieved identified 3 Retrieval identification of registration information The connection information of any unit indoor outdoor units remote controller or the like is retrieved identified 4 Deletion of group registration information of indoor units The registration of the indoor units under group reg...

Страница 54: ...to change to the original ordinary mode with the remote controller under stopping Remote controller under stopping HO under displaying Ordinary mode INDOOR UNIT ADDRESS NO ERROR CODE OAUNITADDRESSNO C INDOOR UNIT ADDRESS NO ERROR CODE OAUNITADDRESSNO C ERROR CODE OAUNITADDRESSNO C Group setting mode Confirm the indoor unit address No Confirm the connection of the transmission line ERROR CODE OAUNI...

Страница 55: ...isplayed Operation procedure With the remote controller under stopping or at the display of HO continuously press the switch at the same time for 2 seconds to change to the registration mode Operate switch for the interlocked setting mode See figure below Assign the unit address of which registration information is desired to confirm with the TIMER SET switch Then press the switch to display it on...

Страница 56: ...continuously press the switch at the same time for seconds to change to the original ordinary mode with the remote controller under stopping ERROR CODE OAUNITADDRESSNO C INDOOR UNIT ADDRESS NO ERROR CODE OAUNITADDRESSNO C INDOOR UNIT ADDRESS NO ERROR CODE OAUNITADDRESSNO C Set the address 2 Press the switch for confirmation Registered No registration Same display will appear when the unit of 007 i...

Страница 57: ... to call the address to be deleted See the figure below As the error display on the remote controller is transmitted from the indoor unit OA UNIT ADDRESS No is used as the address of the indoor unit usually Press the switch F twice See the figure below After completing the deletion continuously press the switch at the same time for 2 seconds to return to the original ordinary mode with the remote ...

Страница 58: ...It is performed at 2 Hz per second 20 to 100 Hz TH6 20 C and in cooling mode or in heating mode 30 to 100 Hz TH6 20 C and in cooling mode 1 No 2 compressor operation stopping and full load un load switching 1 Switching from stopping to operation of No 2 compressor When the required performance cannot be obtained by only No 1 compressor the No 2 compressor will be started The No 2 compressor will b...

Страница 59: ...equency the bypass v turned OFF when it is 0 196 MPa or more Heating After the compressor has been operated for 3 minutes and only the No 1 compressor is operated in un load its lowest frequency the bypass valve is turned ON when the high pressure Pd exceeds 27 kg cm2 2 65 MPa and turned OFF when it is 24 kg cm2 2 35 MPa or less 4 Bypass capacity control The solenoid valves have bypass valves SV1 ...

Страница 60: ...ves SV1 SV4 Both SV1 and SV4 are on open ON OFF SV1 ON for 4 minutes ON ON for 3 minutes ON ON during oil recovery operation af ter continuous low frequency com pressor operation ON Ps Pd ON when the high pres sure Pd exceeds the control pressure limit OFF SV4 Normally ON 3 Capacity control solenoid valve SV22 SV32 Model 500 only Operation of solenoid valve SV22 and SV32 stand for SV2 and SV3 of t...

Страница 61: ...s during defrosting If an error is detected during defrosting the defrosting is stopped and the defrost prohibit time is set to 20 minutes by the compressor cumulative operating time 6 Sub cool coil control Electronic expansion valve LEV1 The sub cool coil control provides control every 30 seconds to keep the super heat volume from the temperature of the inlet outlet of the sub cool coil TH8 TH9 w...

Страница 62: ...tes after refrigerant recovery Note that liquid level determination is being performed even when liquid level detection is being disregarded 2 In case AL 2 is detected for 3 consecutive minutes during liquid level detection control at excessive refrigerant replenishment and trouble mode Changed to intermittent fault check mode preceded by 3 minutes restart prevention But it is not abnormal when th...

Страница 63: ...erant recovery operation Refrigerant is recovered by opening LEV of the objective indoor units indoor units under stop fan and modes and that with heating thermostat being turned off for 30 seconds cooling The regular capacity control of the outdoor unit and the regular LEV control of the indoor unit are not applied refrigerant recovery operation but are fixed with the value before the recovery op...

Страница 64: ...mperature of high pressure liquid refrigerant at the capillary tube inlet TH9 and the temperature of low pressure two phase gaseous and liquid refrigerant at the capillary outlet TH2 and the pressure LPS to calculate the composition of refrigerant circulating the refrigeration cycle C It is found by utilizing the characteristic that the temperature of two phase gaseous and liquid R407C under a spe...

Страница 65: ...Hz Operation of the No 2 compressor is prohibited Finished when cumulative operating time reaches 30 minutes Pause Step Both compressors are stopped regardless of the demand from the indoor units 3 minutes Step 2 Only the No 1 compressor is operated Operation of the No 2 compressor is prohibited Operates continuously for 10 minutes and finishes Step 3 Both compressors No 1 and No 2 are operated Fo...

Страница 66: ...e will proceed to Step 3 even if the frequency of No 1 compressor is below the specified value 30 minutes Step 1 3 minutes 10 minutes Step 2 5 minutes Step 3 ON OFF of No 1 compressor ON OFF of No 2 compressor End of initial operation mode Note 1 30 minutes Step 1 3 minutes 10 minutes Step 2 3 minutes 10 minutes Step 2 Step 2 5 minutes Step 3 Note 1 ON OFF of No 1 compressor ON OFF of No 2 compres...

Страница 67: ...ing start button by emergency operation theunit Example 4250 Reset Retry 4240 Reset Emergency operation Emergency Operation only with the No 1 Compressor Overcurrent protection 400 500 No 1 Compressor Failure 48 65 No 2 Compressor Failure 65 65 15 Emergency response operating mode The emergency operation mode is a mode in which the unit is run in an emergency to respond to the trouble when the com...

Страница 68: ... and in cooling mode 20 1 No 2 compressor operation stopping and full load un load switching Switching from stopping to operation of No 2 compressor When the required performance cannot be obtained by only No 1 compressor the No 2 compressor will be started On Model 500 the No 2 compressor will be started in un load operation Model 400 After the No 1 compressor has reached 98 Hz the No 2 compresso...

Страница 69: ...ed in un load its lowest frequency the bypass valve is turned ON when the evaporation temperature TH2 is 30 C or less and turned OFF when it is 15 C or more Heating After the compressor has been operated for 3 minutes and only the No 1 compressor is operated in un load its lowest frequency the bypass valve is turned ON when the high pressure Pd exceeds 2 45 MPa and turned OFF when it is 1 96 MPa o...

Страница 70: ...ute 2 minute 4 minute 3 minute Start Thermo OFF Thermo ON Defrost Stop 2 Bypass solenoid valves SV1 SV4 Both SV1 and SV4 are on open ON OFF SV1 ON for 4 minutes ON ON for 3 minutes ON ON during oil recovery operation af ter continuous low frequency com pressor operation ON TH2 30 C Pd 2 26 MPa ON when the high pres sure Pd exceeds the control pressure limit Td 130 C and Pd 1 96 MPa or TH2 10 C OFF...

Страница 71: ...After there has been heating operation for 50 minutes or after 90 minutes has passed and a piping temperature TH5 of 0 C or less is detected for a preset time defrosting begins When 10 minutes has passed since the compressor began operation or if 10 minutes has passed since recovery from defrosting setting the forced defrosting switch Dip SW2 7 to starts forced defrosting 2 End of defrosting Defro...

Страница 72: ... A and liquid level detecting temperatures TH3 TH4 After deciding refrigerant status Liquid TH3 and TH4 are TH2 5 C or less Gas TH3 and TH4 are TH2 5 C or more judge liquid level by comparing TH3 and TH4 2 Control of liquid level detection Prohibition of liquid level detection Liquid level is detected in normal conditions except for the following Cooling For 6 minutes after starting unit and durin...

Страница 73: ...fter finishing the operation 11 Outdoor unit heat exchanger capacity control 1 Control method In order to stabilize the evaporation temperature during cooling and the high pressure pressure during heating are required in response to performance needs the capacity of the outdoor heat exchanger is controlled by the fan volume of the outdoor unit by phase control and controlling the number of fans an...

Страница 74: ...Hz Operation of the No 2 compressor is prohibited Finished when cumulative operating time reaches 30 minutes Pause Step Both compressors are stopped regardless of the demand from the indoor units 3 minutes Step 2 Only the No 1 compressor is operated Operation of the No 2 compressor is prohibited Operates continuously for 10 minutes and finishes Step 3 Both compressors No 1 and No 2 are operated Fo...

Страница 75: ... mode will proceed to Step 3 even if the frequency of No 1 compressor is below the specified value 30 minutes Step 1 3 minutes 10 minutes Step 2 5 minutes Step 3 ON OFF of No 1 compressor ON OFF of No 2 compressor End of initial operation mode Note 1 30 minutes Step 1 3 minutes 10 minutes Step 2 3 minutes 10 minutes Step 2 5 minutes Step 3 Note 1 ON OFF of No 1 compressor ON OFF of No 2 compressor...

Страница 76: ... the previous trouble reset without entering the emergency operation mode If the same trouble is detected again during the retry operation in above carry out trouble reset once more with the remote control then try emergency operation starting corresponding to the contents of the trouble Table Emergency Operation Mode Patterns and Trouble Codes for which Emergency Operation is Possible or Impossib...

Страница 77: ...2 compressor operation stopping and full load un load switching Switching from stop to run of No 2 compressor When the required performance cannot be obtained by only No 1 compressor the No 2 compressor will be started The No 2 compressor will be started in un load operation After the No 1 compressor has reached 100 Hz the No 2 compressor stops un load or un load full load Switching from run to st...

Страница 78: ...essor will be stopped 5 Compressor frequency control Ordinary control The ordinary control is performed after the following times have passed 30 seconds after the start of the compressor or 30 seconds after the completion of defrosting 30 seconds after frequency control operation by the discharge temperature or the high pressure Amount of frequency fluctuation The amount of frequency fluctuation i...

Страница 79: ...arts in un load operation in the initial start mode and during defrosting only and starts in full load operation at all other times by SV22 23 switching Normally compressor capacity control is not performed 1 Bypass Valve SV6 SV6 is open when ON variable capacity unit only The valve is set as follows according to whether the variable capacity unit No 1 and No 2 compressors are operating No 1 Compr...

Страница 80: ...hen the high pressure Pd is risen up during lower limit fre quency operation 3 minutes after starting When the discharge temperature Td is risen up Ps 0 196 MPa Pd 2 35 MPa and after 30 seconds Pd 1 96 MPa Example of operation of SV1 Compressor Bypass solenoid valve SV1 4 minute 2 minute 4 minute 3 minute Start Thermo OFF Thermo ON Defrost Stop 2 Bypass solenoid valves SV1 SV4 Both SV1 and SV4 are...

Страница 81: ...ormal operation SV4 3 Capacity control solenoid valve SV22 SV32 Only for PUHY P700 750YSEM A Operation of solenoid valve SV22 and SV32 stand for SV2 and SV3 of the No 2 No 3 compressor Solenoid valve SV22 SV32 COMP SV22 SV32 Coil Valve Coil Valve OFF Open OFF Closed ON Closed ON Open Status Full load Operating at 100 capacity Un load Capacity control operation ON OFF Low pressure 63LS 0 098 MPa Pd...

Страница 82: ...When the cumulative operating time of the constant capacity unit compressor 30 minutes 1 Start of defrosting Defrost 1 After there has been heating operation for 50 minutes and a piping temperature TH5 of 8 C or less is detected for a preset time in either the variable or constant capacity units defrosting starts Defrost 2 After there has been heating operation for 50 minutes and a piping temperat...

Страница 83: ...ing temperatures TH3 TH4 After deciding refrigerant status Liquid TH3 and TH4 are TH2 9 C or less Gas TH3 and TH4 are TH2 9 C or more judge liquid level by comparing TH3 and TH4 2 Control of liquid level detection Prohibition of liquid level detection Liquid level is detected in normal conditions except for the following Cooling For 6 minutes after starting unit and during unit stopping Heating Fo...

Страница 84: ...d the accumulator liquid level AL1 are compared to the superheating level SH2 of ature A and TH10a and the accumulator liquid level AL2 to correct the above Chart Corrections to the Standard LEV2 Opening Constant Capacity Unit Superheating Level SH2 7 SH2 7 Accumulator Level AL 0 or 1 AL 2 AL 0 or 1 AL 2 Variable SH1 7 AL 0 or 1 no change opening down Capacity Unit AL 2 no change opening up no cha...

Страница 85: ...riable capacity unit AL1 2 Constant capacity unit AL2 0 or 1 Variable capacity unit TH6 25 C In heating mode Constant capacity unit switches from operation to stopping Constant capacity unit AL2 0 In heating mode During an accumulator overflow error delay in the constant capacity unit AL2 2 Variable capacity unit AL1 0 or 1 During cooling or heating During an accumulator overflow preliminary error...

Страница 86: ...e outdoor unit by phase control and controlling the number of fans and by using regulating the 2 Control When both of the compressors are stopped the fans for the outdoor units are also stopped The fans operate at full speed for 10 seconds after starting The fans for the outdoor unit are stopped during defrosting 3 Capacity control pattern Constant capacity unit 1 Control Method In response to per...

Страница 87: ...egardless of the demand from the indoor units 3 minutes Step 2 Only the No 1 compressor is operated Operation of the No 2 and No 3 compressor is prohibited Finished when the cumulative operating time reaches 10 minutes Step 3 Step 4 Step 5 Step 6 Compressors No 1 and No 2 are both operated forced Operation of the No 3 compressor is prohibited Finished when cumulative operating time reaches 5 minut...

Страница 88: ...es the mode will proceed to Step 3 even if the frequency of No 1 compressor is below the specified value 30 minutes Step 1 3 minutes 10 minutes Step 2 5 minutes Step 3 ON OFF of No 1 compressor ON OFF of No 2 compressor End of initial operation mode Note 1 30 minutes Step 1 3 minutes 10 minutes Step 2 3 minutes 10 minutes Step 2 5 minutes Step 3 Note 1 ON OFF of No 1 compressor ON OFF of No 2 comp...

Страница 89: ... of No 1 compressor ON OFF of No 2 compressor ON OFF of No 3 compressor End of initial operation mode Note 4 Example 2 A minute Less than A minute Less than A minute Step 4 Step 6 Step 5 10 minutes 5 minutes ON OFF of No 1 compressor ON OFF of No 2 compressor ON OFF of No 3 compressor End of initial operation mode Note 1 Note 4 Example 3 A minute Less than 5 minutes Less than 5 minutes Step 6 Step...

Страница 90: ...ing mode All indoor units are operated in cooling mode Heating mode All indoor units are operated in heating mode Stop mode All indoor units are in fan or stop mode Note If the outdoor unit has been in the cooling mode and the other indoor units in stop fan thermostat off are to the heating mode those indoor units will not be operated and the heating indicator will be flashed set remote controller...

Страница 91: ...odes other than those at left a High pressure low pressure pressure error 1302 b Reverse phase error 4103 c Communication error No communication with variable capacity unit d Constant capacity unit power off and LEV2 open e Oil equalization circuit irregularity 1559 Action Emergency Operation with the No 2 and No 3 Compressor After the retry operation even if there is a different trouble code dete...

Страница 92: ...de exceeds 4 hours Cumulative compressor operation time in the heating mode exceeds 2 hours Emergency operation mode trouble detected Control During and After Termination During and after termination the compressor will be stopped and a repeat error code will be flashed on the remote controller If there is a repeat trouble reset during termination retry operations will start by repeating steps to ...

Страница 93: ...er second 20 to 100 Hz TH6 20 C in cooling mode or in heating mode 30 to 100 Hz TH6 20 C in cooling mode 1 No 2 compressor operation stopping and full load un load switching Switching from stop to run of No 2 compressor When the required performance cannot be obtained by only No 1 compressor the No 2 compressor will be started On Model 500 the No 2 compressor will be started in un load operation M...

Страница 94: ... seconds after the start of the compressor or 30 seconds after the completion of defrosting 30 seconds after frequency control operation by the discharge temperature or the high pressure 2 Amount of frequency fluctuation The amount of frequency fluctuation is controlled in response to the evaporation temperature TH2 and the high pressure Pd so that it will be approached the target values 3 Frequen...

Страница 95: ...Installed SV1 SV4 SV6 SV22 SV32 Variable Capacity Unit Constant Capacity Unit Use 1 Bypass Valve SV6 SV6 is open when ON variable capacity unit only The valve is set as follows according to whether the variable capacity unit No 1 and No 2 compressors are operating No 1 Compressor No 2 Compressor SV6 Stopped Stopped OFF Operating Stopped ON Operating Operating OFF Maintenance of high pressure low p...

Страница 96: ...e Td is risen up TH2 15 C Pd 2 26 MPa and after 30 seconds Pd 1 96 MPa Td 115 C Example of operation of SV1 Compressor Bypass solenoid valve SV1 4 minute 2 minute 4 minute 3 minute Start Thermo OFF Thermo ON Defrost Stop 2 Bypass solenoid valves SV1 SV4 Both SV1 and SV4 are on open Variable capacity unit SV1 ON OFF ON for 4 minutes ON ON for 3 minutes ON ON during oil recovery operation after con ...

Страница 97: ...rmal operation SV4 3 Capacity control solenoid valve SV22 SV32 Model 500 only Operation of solenoid valve SV22 and SV32 stand for SV2 and SV3 of the No 2 compressor Solenoid valve SV22 SV32 COMP SV22 SV32 Coil Valve Coil Valve OFF Open OFF Closed ON Closed ON Open Status Full load Operating at 100 capacity Un load Capacity control operation ON OFF Low pressure 63LS 0 098 MPa Pd 2 55 MPa When the d...

Страница 98: ... unit compressor 30 minutes 2 When the cumulative operating time of the constant capacity unit compressor 30 minutes 1 Start of defrosting Defrost 1 After there has been heating operation for 50 minutes and a piping temperature TH5 of 0 C or less is detected for a preset time in either the variable or constant capacity units defrosting starts Defrost 2 After there has been heating operation for 50...

Страница 99: ...ecting temperatures TH3 TH4 After deciding refrigerant status Liquid TH3 and TH4 are TH2 5 C or less Gas TH3 and TH4 are TH2 5 C or more judge liquid level by comparing TH3 and TH4 2 Control of liquid level detection 1 Prohibition of liquid level detection Liquid level is detected in normal conditions except for the following Cooling For 6 minutes after starting unit and during unit stopping Heati...

Страница 100: ...ichever temperature is higher and the accumulator liquid level AL1 are compared to the superheating level SH2 of the constant capacity unit TH9 and TH10a and the accumulator liquid level AL2 to correct the standard opening of the LEV2 in 2 above Chart Corrections to the Standard LEV2 Opening Constant Capacity Unit Superheating Level SH2 3 SH2 3 Accumulator Level AL 0 or 1 AL 2 AL 0 or 1 AL 2 Varia...

Страница 101: ... variable capacity unit AL1 2 Constant capacity unit AL2 0 or 1 Variable capacity unit TH6 25 C In heating mode Constant capacity unit switches from operation to stopping Constant capacity unit AL2 0 In heating mode During an accumulator overflow error delay in the constant capacity unit AL2 2 Variable capacity unit AL1 0 or 1 During cooling or heating During an accumulator overflow preliminary er...

Страница 102: ... the capacity of the outdoor heat exchanger is controlled by regulating the fan volume of the outdoor unit by phase control and controlling the number of fans and by using the solenoid valves 2 Control When both of the compressors are stopped the fans for the outdoor units are also stopped The fans operate at full speed for 10 seconds after starting The fans for the outdoor unit are stopped during...

Страница 103: ...regardless of the demand from the indoor units 3 minutes Step 2 Only the No 1 compressor is operated Operation of the No 2 and No 3 compressor is prohibited Finished when the cumulative operating time reaches 10 minutes Step 3 Step 4 Step 5 Step 6 Compressors No 1 and No 2 are both operated forced Operation of the No 3 compressor is prohibited Finished when cumulative operating time reaches 5 minu...

Страница 104: ...mes the mode will proceed to Step 3 even if the frequency of No 1 compressor is below the specified value 30 minutes Step 1 3 minutes 10 minutes Step 2 5 minutes Step 3 ON OFF of No 1 compressor ON OFF of No 2 compressor End of initial operation mode Note 1 30 minutes Step 1 3 minutes 10 minutes Step 2 3 minutes 10 minutes Step 2 5 minutes Step 3 Note 1 ON OFF of No 1 compressor ON OFF of No 2 com...

Страница 105: ... 22 1 C ET or EPT F 22 22 1 5 C ET or EPT F 22 22 20 C Other A minute Definitions A 0 minute 10 minutes 25 minutes 50 minutes 7 hr Example 2 A minute Less than A minute Less than A minute Step 4 Step 6 Step 5 10 minutes 5 minutes ON OFF of No 1 compressor ON OFF of No 2 compressor ON OFF of No 3 compressor End of initial operation mode Note 1 Example 3 A minute Less than 5 minutes Less than 5 minu...

Страница 106: ... All indoor units are operated in cooling mode Heating mode All indoor units are operated in heating mode Stop mode All indoor units are in fan or stop mode Note If the outdoor unit has been in the cooling mode and the other indoor units in stop fan thermostat off are set to the heating mode those indoor units will not be operated and the heating indicator will be flashed on the remote controller ...

Страница 107: ...ible Trouble codes other than those at left a High pressure low pressure pressure error 1302 b Reverse phase error 4103 c Communication error No communication with variable capacity unit d Constant capacity unit power off and LEV2 open e Oil equalization circuit irregularity 1559 Action Emergency Operation with the No 2 and No 3 Compressor After the retry operation even if there is a different tro...

Страница 108: ...mode exceeds 4 hours 2 Cumulative compressor operation time in the heating mode exceeds 2 hours 3 Emergency operation mode trouble detected Control During and After Termination During and after termination the compressor will be stopped and a repeat error code will be flashed on the remote controller If there is a repeat trouble reset during termination retry operations will start by repeating ste...

Страница 109: ...n outdoor unit is in cooling operation the operation of indoor unit will be prohibited even by setting a part of indoor units under operation or indoor unit under stopping or fan mode to heating mode Reversely when outdoor unit in heating operation the same condition will be commenced YES NO YES NO YES YES NO NO 2 Normal operations Trouble observed Stop HO blinks on the remote control ler Oil retu...

Страница 110: ...en the outdoor unit is under heating operation the same condition will be commenced YES NO YES NO YES NO YES NO YES NO YES NO YES NO Normal operations Trouble observed Stop Start Breaker turned on Operation SW turned on 1 Protection function self holding cancelled 2 Indoor unit LEV full closed Remove controller display extinguished 3 minute drain pupm ON FAN stop Drain pump ON Error mode Error sto...

Страница 111: ...unit fan stop 5 52C2 OFF 6 F 0 after 6 minutes 52C1 OFF Constant capacity unit 1 52C OFF 2 Outdoor unit fan stop 3 LEV1 LEV2 full closed 4 All solenoid valves closed Constant capacity unit operation Constant capacity unit 1 52C OFF 2 Outdoor unit fan stop 3 All solenoid valves closed 4 LEV1 LEV2 full closed Constant capacity unit 1 52C ON 2 Outdoor unit fan control 3 Solenoid valve control 4 LEV1 ...

Страница 112: ... control 2 LEV1 SLEV control 3 Solenoid valve control 4 Outdoor unit fan control 5 52C1 52C2 control Constant capacity unit 1 52C ON 2 Outdoor unit fan control 3 Solenoid valve control 4 LEV1 LEV2 control 1 Indoor unit fan stop 2 Indoor unit LEV full closed Variable capacity unit 4 way valve OFF Constant capacity unit 4 way valve ON Variable capacity unit 1 Inverter frequency at defrost control 2 ...

Страница 113: ...s a little longer than normal operations YES NO YES NO Normal operations Thermostat ON Stop Dry operations 4 way valve OFF Test run start Note 2 Thermostat ON Inlet temp 18 C Note 1 Variable capacity unit 1 Inverter output 0 Hz 2 Indoor unit LEV SLEV LEV1 full closed 3 Solenoid valve OFF 4 Outdoor unit fan stop 5 52C2 OFF 6 F 0 after 6 minutes 52C1 OFF Constant capacity unit 1 52C OFF 2 Outdoor un...

Страница 114: ...ture TH22 Piping temperature TH23 Gas piping temperature MC1 MC2 White Red Yellow Brown Blue Orange M Perform a continuity check using a tester Conductivity among white red and orange Conductivity among yel low brown and blue Resistance value check Con nector 1 273 t 1 273 63HS Pressure 0 3 V MPa Gnd black Vout white Vcc DC 5 V Red Con nector 63LS R120 7 465 kΩ B25 120 4057 Rt 7 465exp 4057 R0 33 ...

Страница 115: ...ve inside No 2 compressor Switching between full load operation and unload operation All but 400 Capacity control and controlling the rise of high pressure Back up of frequency control R120 7 465 kΩ B25 120 4057 Rt 7 465exp 4057 20 C 250 kΩ 70 C 34 kΩ 30 C 160 kΩ 80 C 24 kΩ 40 C 104 kΩ 90 C 17 5 kΩ 50 C 70 kΩ 100 C 13 0 kΩ 60 C 48 kΩ 110 C 9 8 kΩ R50 17 kΩ B25 120 4170 Rt 17exp 4170 0 C 181 kΩ 10 ...

Страница 116: ...vel detec tion Detects sub cool of heat exchanger outlet using HPS data and TH5 to control LEV1 CH11 CH12 crankcase heater CH2 CH3 Accumulator liquid level detection 21S4a 21S4b MC 63LS 63H TH11 Discharge TH3 TH4 Liquid level detection TH5 Pipe temperature Heater 4 way valve Compres sor Pressure sensor Pressure switch Thermistor Name Code Function Inspection method Application Product code Specifi...

Страница 117: ...d unload operation PUHN P200 250 YEM A only Raise the internal pressure of the constant capacity accumulator Stop refrigerant inflow when the constant capacity unit is stopped Adjusts the bypass flow rate from the liquid piping of the outdoor unit during cooling Adjusts refrigerant flow rate in the constant capacity unit Refrigerant heating inside compressor Refrigerant heating of accumulator liqu...

Страница 118: ...exp 3460 Rt 7 465exp 4057 Thermistor Ro 33kΩ 1 TH2 Thermistor R50 17kΩ 2 THHS Rt 33exp 3965 Rt 17exp 4170 50 40 30 20 10 0 20 10 10 20 30 40 50 0 25 20 15 10 5 0 90 100 110 120 1 273 t 1 273 t 1 273 t 1 273 t 1 273 50 Temperature C Temperature C Temperature C Temperature C Resistance kΩ Resistance kΩ Resistance kΩ Resistance kΩ 1 273 0 1 273 120 1 273 0 ...

Страница 119: ...use of deteriorated compressor efficiency Comparison including control system REFRIGERANT AMOUNT ADJUSTMENT 1 Operating Characteristics and Refrigerant Amount The followings are operating characteristics and refrigerant amount which draw special attention 2 Adjustment and Judgement of Refrigerant Amount 1 Symptom The symptoms shown in the table below are the signs of excess or lack of refrigerant ...

Страница 120: ...igerant Volume 1 Checking the Operating Condition Operate all the indoor units in cooling or in heating checking the discharge temperature sub cooling low pressure saturation temperature inlet temperature shell bottom temperature fluid level fluid step etc and render an overall judgment Note Depending on the operating state AL 0 does not mean that there is insufficient refrigerant 2 Cautions When ...

Страница 121: ...otal refrigerant level including the outdoor unit refrigerant charge and the additional volume in the extension pipes is over 73 kg please make the total refrigerant amount 73 kg Original refrigerant amount in the outdoor unit additional refrigerant amount 73 kg Example for PUHY P600YSEM A PUHY P400YEM A PUHN P200YEM A Additional refrigerant volume 16 kg 6 5 kg 51 kg 73 5 kg Fix to 73 kg Set the a...

Страница 122: ...igeration system stabilizes it may change to AL 0 Notes 2 As the refrigerant volume can not be adjusted in the heating mode retrieve the refrigerant evacu ate air and then fill the specified volume of refrigerant if it is necessary to adjust the refrigerant volume in the winter season Notes 3 A refrigerant volume adjustment performed in the cooling mode must be done with a gauge reading of 1 27MPa...

Страница 123: ...justing the refrigerant operate for 5 minutes and determine Note 1 Tc TH5 5 C Adjustment finished Use the low pressure service port to charge the refrigerant a little at a time After adjusting the refrigerant operate for 5 minutes and determine Use the low pressure service port to drain out refrigerant a little at a time Use the low pressure service port to charge the refrigerant a little at a tim...

Страница 124: ... at a time YES NO After adjusting refrigerant operate for 5 minutes and determine Tc TH5 Has the frequency stabilized two hours or more after the power has been turned on or after 30 minutes of continuous compressor operation after the power has been turned on Is Td 110 C Is 5 Tc TH5 10 C Tc TH7 20 C AL1 Variable capacity unit liquid level AL AL2 Constant capacity unit liquid level AL Note 1 Conve...

Страница 125: ...hrough the low pressure service port Drain out small amounts of refrigerant at a time from the low pressure service port Drain out small amounts of refrigerant at a time from the low pressure service port Draining out approximately 5 kg of refrigerant Turn all of switches of SW1 OFF Adjustment complated Adjustment complated Readjust YES NO Finish charging with refrigerant Finish draining out refri...

Страница 126: ...difference between the volume of refrigerant needed for heating and the volume needed for cooling and charge with that amount Turn on self diagnosis switches SW1 No 7 switching to the mode in which the liquid level is displayed by the LED Readjust Turn all SW1 switches OFF Does AL1 2 or AL2 2 Drain out approximately 5kg of refrigerant from the AL 2 unit s low pressure service port Does AL1 2 or AL...

Страница 127: ...fficient refrigerant at such a time adjustment is necessary Note 5 Determine the difference in the volume of refrigerant necessary for cooling and for heating as follows out supplementary charging in accordance with the table below The piping length is the total pipe length calculated for a liquid pipe with a ø19 05 size Note 6 When turning on SW 1 to 1 2 3 4 5 6 7 8 9 10 ON the LED will display t...

Страница 128: ...ween the two pressures exceeds 0 098MPa the affected pressure sensor is faulty deteriorating performance c If the pressure reading in the LD1 display does not change the affected pressure sensor is faulty 3 Disconnect the pressure sensor from the MAIN board and check the pressure according to the LD1 display a If the pressure is 0 0 098MPa on the LD1 display the affected pressure sensor is faulty ...

Страница 129: ...the moment of switching The amperage under full load will be approximately 30 to 40 more than operation under unload Note The solenoid valve for SV22 is closed when conducting electricity while the SV32 is open when conducting electricity 3 SV4 Bypass valve 1 During unload operation in the cooling mode and when there is a rise in temperature and during unload operation in the heating mode SV4a wil...

Страница 130: ...ine whether or not there is normal operation by monitoring the LED display and the sound of the switching the switching of the 21S4a during heating is heavier which could make confirmation by sound more difficult At this time it is possible to determine the areas where there is conductivity by the temperature of the inlet and outlet temperatures of the 4 way switching valve Do not confirm the temp...

Страница 131: ...ince the fan for the outdoor unit is controlled by phase control check the fan speed by monitoring the output status of the phase control output on the LED display At full speed the fan revolves at approx 600 rev min The fan will take 5 seconds to reach full speed when starting from a stop Because the variable capacity unit has two fans it may take 10 seconds for them to reach full speed On the va...

Страница 132: ...re the valve s position so that it is definitely at point A The pulse signal is output for approximately 17 seconds When the valve operates smoothly there is no sound from the LEV and no vibration occurs but when the valve is locked it emits a noise Whether a sound is being emitted or not can be determined by holding a screwdriver etc against it then placing your ear against the handle If there is...

Страница 133: ...en the LEV opening does not change all output phases are OFF 2 When the output opens a phase and stays ON the motor will not run smoothly and will clack and vibrate 3 When the power source is turned on a close valve signal 2200 pulse is sent to confirm the valve position ensuring a starting point of A 4 When the valve is operating smoothly there will be no sound or vibrations from the LEV when ope...

Страница 134: ...perature sensor will become low If the temperature is considerably low compared to the remote control s intake temperature display it can be judged that there is a failure to close fully In the case of minimal leakage it is not necessary to replace the LEV if there are no other effects 1 Check for pins not fully inserted on the connector and check the colors of the lead wires visually 2 Disconnect...

Страница 135: ... sure to fasten the body in such a way that it will not move Installing the Coils Fasten the body tightly at the bottom Part A in the figure so that the body will not move then insert the coils from the top inserting the coils stopper securely in one of the indentations on the body There are four indentations for the stopper on the body around its circumference and it doesn t matter which indentat...

Страница 136: ...d wiring is being used properly in the necessary environment and that the shield wire ground is appropriate 1 Due to a large capacity electrolytic capacitor used in the inverter voltage still flows through even after cutting the main power creating the possibility of electric shock As a result wait for a sufficient length of time 5 10 min after cutting the main power and check the voltage at both ...

Страница 137: ...en the inverter out put frequency is stable 1 IPM overcurrent error 4250 2There is a high possibility of an inverter circuit error if the voltage unbalance across all wiring is greater than the larger of the values represented by 5 or 5V 3No voltage unbalance across all wiring 2No voltage unbalance across all wiring Refer to item 5 for inverter circuit trouble 4 Check to see if the inverter is dam...

Страница 138: ...balance or error recurrence after replacement Replace the INV board IPM replacement In the case of an output voltage unbalance or error recurrence after replacement Replace the G A board In the case of an output voltage unbalance or error recurrence after replacement Replace the INV board Check item 1 2 3 Phenomena Treatment Perform Meg check between the terminals in the power terminal block Tba T...

Страница 139: ... U Check Location A1 A2 1 L1 2 T1 3 L2 4 T2 5 L3 6 T3 Judgement value 0 1k 1 3kΩ A2 1 L1 3 L2 5 L3 2 T1 4 T2 6 T3 A1 W ACCT W ACCT U U V IPM W Transformar To1 Measure the resistance between terminals on the primary side CNTR1 1 0k 2 5kΩ Measure the resistance between terminals on the secondary side CNTR 20 60Ω 1 Fully check wiring for loose and incorrect connections The incorrect or loose connecti...

Страница 140: ... there is a complete open Ω state or short circuit 0Ω The measured resistance value is a guideline and may deviate slightly Measure between several similar measurement points If the value does not differ by more than double or half from the other points then judge the state as OK 2 Restrictions to applicable tester Use a tester with an internal power of 1 5V or more Battery type tester A card test...

Страница 141: ...rant from the high pressure and low pressure check joints 4 Oil will be spilt from the oil exhaust pipe when it is removed Be careful please not to spill a large amount of oil Since oil absorbs moisture easily do not leave the refrigerant circuit in the open state for long periods of time Oil which has been drained out cannot be reused 5 When the oil has stopped draining from the refrigerant and e...

Страница 142: ...uring opera tion so install them securely 20 Mount the discharge temperature thermistor and attach the insulating cover 21 Connect the power cable to the compressor s terminals Caution Be careful not to mistake the three phases If the wires are connected wrong it could damage the compressor 22 When applying the vacuum is completed charge the unit with the amount of refrigerant it was charged with ...

Страница 143: ...e piping and process piping 11 Shut the ball valves liquid gas and oil balance pipe on the outdoor unit and apply nitrogen from the high and low pressure service check joint up to a pressure of A checking to make sure there is no leakage 12 Discharge the nitrogen gas 13 Open the ball valves liquid gas and oil balance pipe on the outdoor unit and apply a vacuum 14 Install the crankcase heater 15 Mo...

Страница 144: ...o Pages 127 INV board defects Blown fuse F1 on INV Board Diode stack fault Prevention resistance of rush current R1 damage 2 Transmission line short 3 Wiring mistakes of the M NET transmission line on the side of the outdoor unit 1 2 Break of transmission line or removal of terminal block The room transmission line is wired to the transmission line terminal block TB7 for the central control by mis...

Страница 145: ...nection of the terminal block connection 3 Reversed wiring cross over in the group control 4 Wire by mistakes the MA remote control to the terminal block TB5 for the transmission line 5 Connect by mistakes the M NET transmission line to the MA remote control terminal block TB13 7 The unit address is not 00 as it should be with automatic address setting 8 The address of Indoor Unit becomes 51 or mo...

Страница 146: ...nnected transformer of indoor unit 5 Faulty indoor controller board 2 Faulty outdoor control circuit board uncontrolled As normal transmission fails between indoor and outdoor units outdoor unit model can not be recognized Checking method countermeasure a Check transmission terminal block of remote controller for voltage i In case of 17 30V Faulty network remote controller ii In case of less than ...

Страница 147: ...3 Disconnection of centralized control transmission line TB7 at outdoor unit 14 At system connected with MELANS power supply connector CN40 is inserted to centralized control transmission line of outdoor unit Checking method countermeasure In case MELANS is not used In case with MELANS used When MELANS is used HO display on the remote controller will disappear at the group registration of the indo...

Страница 148: ...egistration and confirmation 1 Erroneous address of unit to be coupled 2 Disconnection of transmission line of unit to be coupled No connection 3 Faulty circuit board of unit to be coupled 4 Installation miss of transmission line Confirmation of different refrigerant system controller 5 Disconnection of power source of outdoor unit to be confirmed 6 Disconnection of centralized control transmissio...

Страница 149: ...V board Check the voltage between L2 and N on power supply terminal block TB1 DC24 30 V Except the above mentioned Connector disconnected Except the above mentioned DC24 30 V Except the above mentioned DC24 30 V Except the above mentioned 0 5 2 5 Except the above mentioned 19 25 Except the above mentioned 0 Except the above mentioned AC198 264 V Except the above mentioned AC198 264 V Except the ab...

Страница 150: ...due to the entry of fine noise Transmission can be made normally but reply ACK or answer can not be issued normally due to noise 2 Method to confirm wave shape Check the wave shape of transmission line with an oscilloscope to confirm that the following conditions are being satisfied 1 The figure should be 104 s bit 1 2 No finer wave shape noise than the transmission signal 52 s 1 should be allowed...

Страница 151: ...rthing should be made at outdoor unit Without earthing transmission signal may be changed as the noise on the transmission line has no way to escape For the shield earth of the transmission line for centralized control the effect of noise can be minimized if it is from one of the outdoor units in case of the group operation with different refrigerant systems and from the upper rank controller in c...

Страница 152: ...g TB1A NF TB1B CNTR1 T01 CNTR TB1B CNPOW CNFAN CN04 CNMF CNFAN 52F CN05 CNMF CNFC1 CNFC2 Check if the wiring polarity is as shown on the wiring diagram plate 3 The motor is faulty 4 A fuse F1 F2 F3 is defective 5 The transformer T01 is defective 6 The circuit board is faulty Measure the resistance of the motor s coils 20 60 Measure the motor s insulation resistance with a megger 10 M DC 500 V or m...

Страница 153: ...age abnormality 4230 Radiator panel overheat protection 4240 4250 IPM IAC sensor overcurrent abnormality Alarm output Bus voltage abnormality 4260 Cooling fan abnormality Air inlet TH21 IC 5101 Discharge TH1 OC Liquid pipe TH22 IC 5102 Low pressure saturation TH2 OC 5103 Gas pipe TH23 IC Accumulater liquid level LD1 5104 Thermal sensor Accumulater liquid level LD2 5105 abnormality Liquid pipe TH5 ...

Страница 154: ... pipe temperature sensor abnormality TH5 1211 1111 Preliminary low pressure saturation abnormality or preliminary low pressure saturation sensor abnormality TH2 1214 Preliminary THHS sensor circuit abnormality 1216 Preliminary sub cool coil outlet thermal sensor abnormality TH7 1217 Preliminar 1218 Preliminary sub cool coil bypass inlet thermal sensor abnormality TH9a y sub cool coil bypass outlet...

Страница 155: ...it stops once mode is changed to restart mode after 3 minutes then the outdoor unit restarts 2 When 140 C or more temp is detected again the second time within 30 minutes after stop of outdoor unit emergency stop is observed with code No 1102 displayed 3 When 140 C or more temp is detected 30 or more minutes after stop of outdoor unit the stop is regarded as the first time and the process shown in...

Страница 156: ...V LEV1 Heating indoor unit LEV SV5b whether or not is closed 21S4b whether or not it is closed 1 Gas leak Gas shortage 2 Insufficient load operations 3 Poor operations of indoor LEV 4 Poor operations of Outdoor LEV1 5 Solenoid valve trouble 5V5b Low pressure saturation temperature trouble Confirm that ball valve is fully opened Check indoor unit and take measu res to troube Check outdoor unit and ...

Страница 157: ...Cooling SV5B 21S4b Heating indoor unit LEV Refer to Trouble check of LEV and Solenoid valve Check if ball joint is fully open Check indoor unit and take measures to trouble Inspect outdoor unit and repair nec essary areas Inspect outdoor fan Refer to Trouble check of outdoor unit fan Refer to Trouble check of Solenoid valve Check resistance of thermistor Refer to section on determining if pres sur...

Страница 158: ...t stopped is intermittent fault check period 2 When discharge superheart 10 deg is keeping for 10 minutes or discharge superheat 20 deg for 15 minutes again sec ond time the unit stops and er ror code 1500 is displayed 3 In case of SW2 6 ON the de tection for the second time is fol lowed by the first time Overcharged refrigerant abnormality Check resistance of thermistor Check temperature and pres...

Страница 159: ...tion Normally there is several degrees difference between TH2 and TH9 R22 only Steps If the ball valve is open check if the extension piping has become plugged Also check if there is miss matching of piping or wiring After these have been checked reset the power supply to re set the error error Next operate the unit in the opposite mode it was in when the error occurred for 10 to 15 minutes i e op...

Страница 160: ...4 3k Check contact of connector Indoor port trouble if no other problem is detected Check drain pump operations Check connect contact Check float switch operations Leakage water abnormality Drain pump abnormality Drain sensor abnormality Operation of float switch 2500 2502 2503 4103 Reverse phase abnormality Reverse phase or open phase in the power system is being de tected so operation cannot be ...

Страница 161: ...rd insulation and operate If there is no abnormality when 52C2 is turned ON the compressor is defective the power supply voltage waveform is distorted from a sine wave improve the power supply environment If none of the items in 1 to 4 is applicable and if the trouble reappears even after the power is switched on again replace the MAIN board when replacing the circuit board be sure to connect all ...

Страница 162: ...e Check 1 the connections 2 contact at the connectors 3 tightening torque at screw tightened portions 4 wiring polarities 5 for broken wires and 6 for grounding in the following wiring TB1A NF TB1B TB1B DS 52C R1 R5 C2 C3 IPM Wiring CNDC1 G A CNVDC INV Wir ing Check if the wiring polarities are as shown on the wiring diagram plate To judge failure of R1 and R5 go to Individual Parts Failure Judgme...

Страница 163: ...etween the IPM and the compressor Check the compressor s insulation resistance Check the IPM Judge that the IPM is fauly Go to Individual Parts Failure Judgment Methods If none of the items in 1 to 8 is applicable and if the trouble reappears even after the power is switched on again replace the circuit board by following procedure when re placing the circuit board be sure to connect all the conne...

Страница 164: ... the heat exchanger If the power supply voltage is less than 342 V it is outside specifications If the external air temperature is over 43 C it is outside the specifications Is the indoor unit capacity total cor rect Are the outdoor indoor unit capac ity settings correct To judge failure of the solenoid valve go to Individual Parts Failure Judg ment Methods for the Solenoid Valve Check 1 connectio...

Страница 165: ...e starting Check thermistor resistance Check for tangled lead wires Checking for broken covering Check the connector for missing pins Check for broken wires Check pick up temperature using the LED monitor If there is a big difference between that temperature and the ac tual temperature replace the main cir cuit board Confirm that the thermistor is mounted in the correct place 1 Defective thermisto...

Страница 166: ...ensor ACCT miss wiring is detected during inverter operation Inverter error detail 13 1 2 Inner pressure drop due to a leak age 3 Broken cover 4 Coming off of pin at connector por tion poor contact 5 Broken wire 6 Faulty thermistor input circuit of MAIN board 1 Contact is faulty 2 The current sensor ACCT is con nected with wrong polarity 3 The wiring is defective 4 The Ac current sensor ACCT is de...

Страница 167: ... and error 7130 occurs the indoor unit s circuit board is for an exclusive R22 model so re place it with the circuit board for a unit which is also capable of using R407C If none of the items in 1 to 5 is appli cable and if the trouble reappears even after the power is switched on again replace the circuit board by fol lowing procedure when replacing the circuit board be sure to connect all the co...

Страница 168: ...inuing operation over 5 minutes The transmission wave shape noise on the transmission line should be investigated in ac cordance with Investigation method of trans mission wave shape noise 1 Two or more controllers of outdoor unit indoor unit remote controller BC controller etc have the same address 2 In the case that signal has changed due to noise entered into the trans mission signal 1 At the c...

Страница 169: ...he noise Checking code 6602 6603 Meaning detecting method Cause Checking method Countermeasure Transmission line installed while turning power source on Check power source of indoor unit 220V 240V Shut off the power source of outdoor in door units and make it again Erroneous power source work Erroneous transmis sion work Check transmission line work and shield finish Ground fault or shield contact...

Страница 170: ...ocessor error Communication trouble between apparatus processor and trans mission processor Note The address attribute shown on remote controller indicates the controller which has detected error Turn off power sources of indoor unit and outdoor unit When power sources are turned off sepa rately microcomputer is not reset and nor mal operations can not be restored Controller trouble is the source ...

Страница 171: ...us sizing of transmission line Not within the range below Wire diameter 1 25mm2 or more 4 Faulty control circuit board of OC 1 When IC unit address is changed or modified during operation 2 Faulty or disconnection of transmission wir ing of IC 3 Slipping off of IC unit connector CN2M 4 Faulty IC unit controller 5 Faulty remote controller 1 Faulty transmission wiring at IC unit side 2 Faulty transm...

Страница 172: ...pacity code setting error 7101 Connecting set number error 7102 Address setting error 7105 Same as measure for single refrigerant system a Shut down the power source of both IC and OC for over 5 minutes simul taneously and make them again Normal state will be returned incase of accidental trouble b Check for 1 5 of causes If cause is found remedy it c Check other remote controller or OC unit LED f...

Страница 173: ...r supply connector CN40 into OC unit transmission line for centralized control 3 Disconnection or power source shut down of power supply unit for transmission line 4 Faulty system controller MELANS Same cause as that for plural refrigerant system Trouble of partial IC units 1 Same cause of that for single refrigerant system Trouble of all IC in one refrigerant system 1 Error detected by OC unit To...

Страница 174: ...ower shutdown of power sup ply unit for transmission line 4 Faulty MELANS 1 IC unit is keeping the memory of the original group setting with RC although the RC ad dress was changed later The same symptom will appear for the regis tration with SC 2 IC unit is keeping the memory of the original interlocking registration with Fresh Master with RC although the Fresh Master address was changed later No...

Страница 175: ...rcut of the remote controller of the indoor unit is poor 7 The transmission reception circut of the remote controller is defective 6832 MA communication Synchronization recovery error 1 Communication between 6833 MA communication Transmission reception 1 Communication between 2 When the transmitted 1 The remote control line of the MA remote controller or the indoor unit is in poor contact 2 It is ...

Страница 176: ...ity code SW2 is wrongly set For erroneous switch setting modify it turn off power source of outdoor unit and indoor unit simultaneously for 5 minutes or more to modify the switch for setting the model name capacity coad Check for the model selector switch Dip switches SW3 10 on outdoor unit control circuit of OC a Check for the model name of the Indoor unit connected b Check for the switch SW2 if ...

Страница 177: ... the range while shutting the power source off a Replace the old remote controller by the new remote controller Trouble source Indoor unit a Check that the power has not been cut off due to the power supply of transmission booster being connected to the indoor unit switch The air conditioner will not operate correctly if the power supply of transmission booster is not turned on Reset the outdoor u...

Страница 178: ... the thermostat turns off the airflow speed setting is automatically changed to slight When the thermostat turns on the airflow speed setting is automatically changed from slight to the set airflow speed based on time or piping temperature The fan stops during defrosting When the auxiliary electrical heater is on the fan continues to run for approximately 1 minute after system operation ends to fa...

Страница 179: ...ng cooling off during heat ing and off during shut down In cases where preparation for constant rate unit startup is not complete the constant rate unit will not operate for a maximum of 7 hours after turning on the power For example when the outside temperature is very low or when the capacity of the indoor unit is very small When defrosting operations are performed using only the capacity contro...

Страница 180: ...t SV Solenoid valve THHS Inverter radiator panel IC Indoor unit LEV Electronic expansion valve COMP Compressor SW1 Outdoor unit control circuit board E Memory storage for service activities sampling per minute 7 seg LED The numerical display includes that of pressure temperature or the like while the graphic display includes that of operating condition solenoid valve ON OFF state or the like Numer...

Страница 181: ... Error Configration Detection Error TH3 Error TH10c Error SV1 CH2 3 Liquid correc tion 4 Auto change over mode Heating Prelimi nary Error Unit No 5 Unit No 13 Unit No 5 Unit No 13 Unit No 5 Unit No 13 Balance Oil No 2 Discharge Tempera ture Error Oil Tempera ture Error TH4 Error Pressure Sensor Error 52F Liquid correc tion 5 Error Unit No 6 Unit No 14 Unit No 6 Unit No 14 Unit No 6 Unit No 14 Heat...

Страница 182: ...TH11 Error TH8 Error INV Error TH12 Error TH9a Error Low Pressure Error Refrigerant Over charge TH2 Error TH9b Error No 1 Discharge Tempera ture Error Configration Detection Error TH3 Error TH10c Error No 2 Discharge Tempera ture Error Oil Tempera ture Error TH4 Error Pressure Sensor Error No 2 Over current Protection TH10b Error TH6 Error Heat Sink Thermo stat Operation TH7 Error No 1 Over curren...

Страница 183: ...100101000 0010101000 1010101000 TH6 Data TH7 Data TH8 Data TH9a Data TH9b Data TH10c Data High Pressure Sensor Data Low Pressure Sensor Data THHS Data OC OC Accumulator Level TH10a TH10b Qj Target Tc Target ET Tc T e Temporary Frequency COMP1 Output Frequency AK SLEV LEV1 FANCON Output Value Toff COMP1 Operating Current Fan used OC Address IC1 Address Capacity Code IC2 Address Capacity Code IC3 Ad...

Страница 184: ...o101 125 the data on error stops or the data immediately before the error postponement stop which is stored in service memory are displayed No SW1 Item Display Remarks 12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 0110101000 1110101000 0001101000 1001101000 0101101000 1101101000 0011101000 10111...

Страница 185: ...ture IC3 Room Temperature IC4 Room Temperature IC5 Room Temperature IC6 Room Temperature IC7 Room Temperature IC8 Room Temperature IC9 Room Temperature IC10 Room Temperature IC11 Room Temperature IC12 Room Temperature IC13 Room Temperature IC14 Room Temperature No SW1 Item Display Remarks 12345678910 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 13...

Страница 186: ...ture IC1 Liquid Pipe Temperature IC2 Liquid Pipe Temperature IC3 Liquid Pipe Temperature IC4 Liquid Pipe Temperature IC5 Liquid Pipe Temperature IC6 Liquid Pipe Temperature IC7 Liquid Pipe Temperature IC8 Liquid Pipe Temperature IC9 Liquid Pipe Temperature IC10 Liquid Pipe Temperature IC11 Liquid Pipe Temperature IC12 Liquid Pipe Temperature IC13 Liquid Pipe Temperature IC14 Liquid Pipe Temperatur...

Страница 187: ...1110100 0011110100 1011110100 0111110100 1111110100 0000001100 1000001100 0100001100 1100001100 0010001100 1010001100 0110001100 1110001100 0001001100 1001001100 0101001100 1101001100 0011001100 1011001100 0111001100 1111001100 IC13GasPipeTemperature IC14GasPipeTemperature IC15GasPipeTemperature IC16GasPipeTemperature IC1 SH IC2 SH IC3 SH IC4 SH IC5 SH IC6 SH IC7 SH IC8 SH IC9 SH IC10 SH IC11 SH I...

Страница 188: ...1001011100 0101011100 IC1 LEV Opening Pulse IC2 LEV Opening Pulse IC3 LEV Opening Pulse IC4 LEV Opening Pulse IC5 LEV Opening Pulse IC6 LEV Opening Pulse IC7 LEV Opening Pulse IC8 LEV Opening Pulse IC9 LEV Opening Pulse IC10 LEV Opening Pulse IC11 LEV Opening Pulse IC12 LEV Opening Pulse IC13 LEV Opening Pulse IC14 LEV Opening Pulse IC15 LEV Opening Pulse IC16 LEV Opening Pulse IC1 Operation Mode ...

Страница 189: ... IC8 Filter IC9 Filter IC10 Filter IC11 Filter IC12 Filter IC13 Filter IC14 Filter IC15 Filter IC16 Filter Indoor Unit Check Indoor Unit Operation Mode Indoor Unit Thermostat 0000 9999 Unit No 17 Unit No 25 Lights up if an abnormal stop has occurred in the IC Lights up during cooling Blinks during heating Goes off during stop and blower operation Lights up when thermostat is ON Goes off when therm...

Страница 190: ... 1011100010 0111100010 1111100010 0000010010 1000010010 0100010010 1100010010 0010010010 1010010010 0110010010 1110010010 0001010010 1001010010 0101010010 1101010010 0011010010 1011010010 0111010010 1111010010 0000110010 1000110010 0100110010 1100110010 0010110010 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303...

Страница 191: ... 0111001010 1111001010 0000101010 1000101010 0100101010 1100101010 0010101010 1010101010 0110101010 1110101010 0001101010 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 IC17 Address Capacity Code IC18 Address Capacity Code IC19 Address Capacity Code IC20 Address Capacity Code IC21 Address Capacity Code...

Страница 192: ...1100011010 0010011010 1010011010 0110011010 1110011010 0001011010 1001011010 0101011010 1101011010 0011011010 1011011010 0111011010 1111011010 0000111010 1000111010 0100111010 1100111010 0010111010 1010111010 0110111010 1110111010 0001111010 101111010 0101111010 1101111010 0011111010 Variable capacity unit IC25 Address Capacity Code IC26 Address Capacity Code IC27 Address Capacity Code IC28 Addres...

Страница 193: ...00110 0110100110 1110100110 IC17 Room Temperature IC18 Room Temperature IC19 Room Temperature IC20 Room Temperature IC21 Room Temperature IC22 Room Temperature IC23 Room Temperature IC24 Room Temperature IC25 Room Temperature IC26 Room Temperature IC27 Room Temperature IC28 Room Temperature IC29 Room Temperature IC30 Room Temperature IC31 Room Temperature IC32 Room Temperature IC17 Liquid Pipe Tem...

Страница 194: ...perature IC26 Liquid Pipe Temperature IC27 Liquid Pipe Temperature IC28 Liquid Pipe Temperature IC29 Liquid Pipe Temperature IC30 Liquid Pipe Temperature IC31 Liquid Pipe Temperature IC32 Liquid Pipe Temperature IC17 Gas Pipe Temperature IC18 Gas Pipe Temperature IC19 Gas Pipe Temperature IC20 Gas Pipe Temperature IC21 Gas Pipe Temperature IC22 Gas Pipe Temperature IC23 Gas Pipe Temperature IC24 G...

Страница 195: ... 0100001110 1100001110 0010001110 1010001110 0110001110 1110001110 0001001110 1001001110 0101001110 1101001110 0011001110 1011001110 0111001110 1111001110 0000101110 1000101110 0100101110 1100101110 0010101110 1010101110 IC19 SH IC20 SH IC21 SH IC22 SH IC23 SH IC24 SH IC25 SH IC26 SH IC27 SH IC28 SH IC29 SH IC30 SH IC31 SH IC32 SH IC17 SC IC18 SC IC19 SC IC20 SC IC21 SC IC22 SC IC23 SC IC24 SC IC2...

Страница 196: ...1011110 0011011110 1011011110 0111011110 1111011110 IC23 LEV Opening Pulse IC24 LEV Opening Pulse IC25 LEV Opening Pulse IC26 LEV Opening Pulse IC27 LEV Opening Pulse IC28 LEV Opening Pulse IC29 LEV Opening Pulse IC30 LEV Opening Pulse IC31 LEV Opening Pulse IC32 LEV Opening Pulse IC17 Operation Mode IC18 Operation Mode IC19 Operation Mode IC20 Operation Mode IC21 Operation Mode IC22 Operation Mod...

Страница 197: ...1110 1000111110 0100111110 1100111110 0010111110 1010111110 0110111110 1110111110 0001111110 1001111110 0101111110 1101111110 0011111110 1011111110 0111111110 1111111110 IC17 Filter IC18 Filter IC19 Filter IC20 Filter IC21 Filter IC22 Filter IC23 Filter IC24 Filter IC25 Filter IC26 Filter IC27 Filter IC28 Filter IC29 Filter IC30 Filter IC31 Filter IC32 Filter 0000 9999 ...

Страница 198: ...rotec tion TH10a Error TH5 Error Power off LEV open TH10b Error TH6 Error TH10b Error TH6 Error Lights for Normal Operation Backup No 9 Power off LEV closed TH7 Error TH7 Error LD8 is a relay output indicator which lights up at all times when the microcomputer s power is ON LD8 is determined as the re verse of CH11 The flag correspond ing to the item where there is an error delay lights up Lights ...

Страница 199: ...10000 0100010000 1100010000 0010010000 1010010000 0110010000 1110010000 0001010000 1001010000 0101010000 1101010000 0011010000 1011010000 0111010000 1111010000 0000110000 1000110000 0100110000 1100110000 0010110000 1010110000 0110110000 1110110000 0001110000 1001110000 0101110000 1101110000 0011110000 1011110000 0111110000 1111110000 TH11 Data TH3 Data TH4 Data TH5 Data TH6 Data TH7 Data TH8 Data ...

Страница 200: ...01001000 0011001000 1011001000 0111001000 1111001000 0000101000 1000101000 0100101000 1100101000 0010101000 1010101000 0110101000 1110101000 0001101000 1001101000 0101101000 1101101000 0011101000 1011101000 0111101000 1111101000 0000011000 1000011000 0100011000 1100011000 0010011000 Accumulator level TH10a TH10b AK2 LEV2 LEV1 FANCON Output Value OS Address COMP 1 Operat ing Time First 4 Digits Las...

Страница 201: ...111011000 1111011000 0000111000 1000111000 0100111000 1100111000 0010111000 1010111000 0110111000 1110111000 0001111000 1001111000 0101111000 1101111000 0011111000 1011111000 0111111000 1111111000 Relay Output Display 1 blinking display Relay Output Display 2 TH11 Data TH3 Data TH5 Data Low Pressure Sensor Data Accumulator Level TH10a TH10b AK2 LEV2 LEV1 TH6 SB5b 99 9 999 9 99 9 999 9 99 9 999 9 0...

Страница 202: ... will reach belo down operation Shut down all of the indoor units and the compressor if the pressure gage for the low pressure servicing joint CJ2 reads 0 15 MPa or after running the pump down oper ation for 20 minutes 5 Shut off the gas ball valve BV1 for the outdoor unit 6 Remove any refrigerant remaining in the extension piping and the indoor units Be sure to recover the refrigerant without rel...

Страница 203: ... compressor 1 With SW3 1 on the MAIN board of the outdoor unit set to ON and SW3 2 ON OFF to stop all indoor units and the compressor 2 Check that all indoor units have been stopped Close both ball valves BV1 and BV2 Remove any refrigerant remaining in the extension piping or the indoor units Reclaim the refrigerant do not discharge it into the air Repair the leaks After the leaks are repaired ext...

Страница 204: ...he refrigerant do not discharge it into the air Repair the leaks After the leaks are repaired replace the dryer with a new one and extract all of the air from the entire system to create a vacuum Then refill with refrigerant until it reaches the calculated specification outdoor unit extension piping indoor units Refer to Chapter 6 for more details 1 2 3 ...

Страница 205: ...e CS circuit block and correct any malfunc tions Note 3 Is the refrigerant composi tion of OC correct Note 2 Finished checking the composition Check that R407 is correctly charged Note 4 Recharge the refrigerant Note 5 Finished checking the composition Calibrate the refrigerant composition of OC Note 6 Are all units operating stably Note 1 CHECK THE COMPOSITION OF THE REFRIGERANT ª ...

Страница 206: ...e to Yes If there is a possibility that it was not charged correctly such as with a gas charger continue to No Note 5 After reclaiming the system s refrigerant extract the air to create a vacuum then refill with new refrigerant Be sure to charge in the liquid phase In addition be sure to change the dryer Note 6 After the units are operating stably check that the refrigerant composition of OC is wi...

Страница 207: ... 204 ...

Страница 208: ...Related Links Model Number PUHY P650YSEM A PUHY P400 750YEM A_Installation_Manual_ WT04165X01 PUHY P400 750YEM A_Service_Manual_ MEE03K194 PUHY YEM A_G4_Databook_2004 ...

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