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Installation and operation manual

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ZEAS outdoor unit and capacity up unit

English

Installation and operation manual

₂

ZEAS outdoor unit and capacity up unit

LREN8A7Y1B
LREN10A7Y1B
LREN12A7Y1B

LRNUN5A7Y1

Содержание LREN8A7Y1B

Страница 1: ...tallation and operation manual CO ZEAS outdoor unit and capacity up unit English Installation and operation manual CO ZEAS outdoor unit and capacity up unit LREN8A7Y1B LREN10A7Y1B LREN12A7Y1B LRNUN5A7...

Страница 2: ...mm 300 500 500 10 B B1 B2 B3 100 500 500 50 300 200 a a C1 C2 C3 C a 300 500 20 10 50 100 500 100 300 400 200 a A Y X h2 H2 500 h1 H1 1500 1...

Страница 3: ...es and service ports 23 13 2 1 To handle the stop valve 23 13 2 2 Tightening torques 23 13 2 3 To handle the service port 23 13 3 Connecting the refrigerant piping 24 13 3 1 To cut off the spun pipe e...

Страница 4: ...12 1 3 Additional installation site requirements for CO refrigerant 417 Install a CO2 leak detector field supply in every room with refrigerant piping showcases or blower coils and if present enable t...

Страница 5: ...r own safety You can close the outdoor unit if your portable CO2 detector confirmed that the concentration of CO2 is at an acceptable level For example if 7 kg CO2 is released inside the casing it tak...

Страница 6: ...ich is delivered with the unit located on the inside of the top plate For a translation of its legend see 19 3 Wiring diagram Outdoor unit 448 WARNING Provide adequate measures to prevent that the uni...

Страница 7: ...ce with the instructions from this manual See 17 Commissioning 440 CAUTION Do NOT perform the test operation while working on the indoor units When performing the test operation NOT ONLY the outdoor u...

Страница 8: ...r safe operation WARNING This unit contains electrical and hot parts WARNING Before operating the unit be sure the installation has been carried out correctly by an installer WARNING FLAMMABLE MATERIA...

Страница 9: ...damage If damaged the unit may fall and result in injury CAUTION Before accessing terminal devices make sure to interrupt all power supply About the refrigerant see 6 1 About the refrigerant 410 WARNI...

Страница 10: ...ly l Shut off valve field supply 5 Operation 5 1 Operation modes The system allows for only one operation mode refrigeration 5 2 Operation range Use the system in the following temperature ranges for...

Страница 11: ...breaker frequently actuates or the ON OFF switch does NOT work properly Contact your dealer or installer Malfunction Measure Water other than defrost water leaks from the unit Stop the operation The...

Страница 12: ...displayed check if power of indoor unit is turned on user interface wiring is broken or incorrectly wired fuse on PCB has melted 8 Relocation Contact your dealer to remove and reinstall the entire uni...

Страница 13: ...lways use protectors to prevent belt damage and pay attention to the centre of gravity of the unit Outdoor unit Capacity up unit NOTICE Use a belt sling that adequately bears the weight of the unit Th...

Страница 14: ...r LREN12A7Y1B to Refrigeration Label used for Text on label Translation The third label Outdoor unit left unit Gas from Refrigeration Gas from Refrigeration Liquid to LRNUN5A7Y1 or to Refrigeration Li...

Страница 15: ...d before continuing See Note See Note Text on card Translation Cut off the lower part of the gas and liquid stop valve pipes along the black line Cut off the lower part of the gas and liquid stop valv...

Страница 16: ...nit installation 416 NOTICE Adverse effects shall be considered For example danger of water collecting and freezing in discharge pipes for pressure relief devices accumulation of dirt and debris or bl...

Страница 17: ...restricted in their movements CO2 refrigerant leak detector WARNING Install the unit ONLY in locations where the doors of the occupied space are NOT tight fitting WARNING When using safety shut off v...

Страница 18: ...r unit b Capacity up unit 3 Remove the small front plates of each removed front panel 1 1 1 2 2 1 a b 2 a If applicable Small front plate left b Small front plate right Once the front plates open the...

Страница 19: ...se For more information see chapter Installation site requirements of the outdoor unit in the installer and user reference guide NOTICE When the installation height of the unit needs to be increased d...

Страница 20: ...he middle compressor INV2 During installation they must be removed 1 Loosen the compressor mounting bolt 2 Remove the screw 3 Remove and dispose of the transportation stay 4 Tighten the mounting bolt...

Страница 21: ...or an example see 13 1 4 To select the piping size 422 Requirement Limit LREN LREN LRNUN5 Maximum piping length Examples A B C D E or F a Limit a b c d e or f a Limit Low temperature 100 m b Medium te...

Страница 22: ...12 7 t0 85 K65 and equivalent piping 18 0 x 15 9 t1 05 K65 and equivalent piping Gas pipe for medium temperature a x 6 5 9 5 t0 56 K65 and equivalent piping 6 5 x 14 0 12 7 t0 85 K65 and equivalent p...

Страница 23: ...is kept below the design pressure 13 2 1 To handle the stop valve Take the following guidelines into account The gas and liquid stop valves are factory closed Make sure to keep all stop valves open d...

Страница 24: ...NGER RISK OF BURNING SCALDING 13 3 1 To cut off the spun pipe ends When the product is shipped a small amount of refrigerant gas is kept inside the product Therefore the pipes contain a pressure highe...

Страница 25: ...nt to prevent rusting When passing electrical wiring through the knockout holes wrap the wiring with protective tape to prevent damage Front connection NOTICE Protect the unit from damage during brazi...

Страница 26: ...AYS use K65 T joints for refrigerant branching K65 T joints are field supplied Liquid piping Always branch horizontally when connecting the branch piping To prevent uneven refrigerant flow always bran...

Страница 27: ...afety valve if the refrigerant has been removed WARNING All installed safety valves MUST ventilate to the outdoor space and NOT into a closed area CAUTION When installing a safety valve ALWAYS add eno...

Страница 28: ...Outdoor unit 13 4 3 Safety valve reference information Take the folllowing safety valve reference information into account Maximum piping length The allowed length of the safety valve piping is limite...

Страница 29: ...bar gauge or less On the vacuum gauge check if the pressure does not increase If the pressure rises the system has a leak or moisture remained into the piping 4 If the test was successful replace the...

Страница 30: ...ld be at least 50 mm NOTICE If the equipment is installed closer than 30 m to a residential location the professional installer MUST evaluate the EMC situation before installation 14 1 About electrica...

Страница 31: ...M PE X3M A B F1 F2 RS 485 DIII X1M X3M PE l m 1N 50 Hz 220 240 V AC c1 c2 a Capacity up unit LRNUN5A7Y1 h2 Showcases field supply b Oudoor unit LREN k Safety system field supply Example c1 Overcurrent...

Страница 32: ...erminals on capacity up unit Terminal Screw size Tightening torque N m X1M Power supply M8 5 5 7 3 PE Protective earth screw M8 X4M Output signals M4 1 18 1 44 X5M Remote switches M3 5 0 79 0 97 X1M A...

Страница 33: ...s but may not run parallel Transmission wiring and power supply wiring may NOT touch internal piping in order to avoid wire damage due to high temperature piping Firmly close the lid and arrange the e...

Страница 34: ...Protective earth screw X4M Output signals d Caution e Warning f Run g Operation X4M X1M PE h 1 2 h Wiring intake knockout hole for high voltage See 14 3 Guidelines when knocking out knockout holes 43...

Страница 35: ...city up unit Connections routing fixing b c 2 1 3 X3M a F2 F1 F1 X1M A1P F2 Q1 Q2 TO MULTIUNIT TO OUT DUNIT TO IN DUNIT b c a X1M A1P X3M 1 2 X1M A1P DIII transmission wiring a To outdoor unit X3M Rem...

Страница 36: ...Earth leakage circuit breaker PE Protective earth screw X2M Output signals d Caution e Warning f Run X2M PE X1M g 1 2 g Wiring intake knockout hole for high voltage See 14 3 Guidelines when knocking...

Страница 37: ...MATION For the operation method of the stop valves refer to 13 2 Using stop valves and service ports 423 15 2 To determine the refrigerant amount INFORMATION The capacity up unit is a pre charged clos...

Страница 38: ...After charging add the total amount of refrigerant to the refrigerant charge label See 15 4 To fix the refrigerant charge label 438 15 4 To fix the refrigerant charge label 1 Fill in the label as foll...

Страница 39: ...N 1 2 3 4 Without capacity up unit a If there is no electrical connection to the capacity up unit an error code will be displayed on the outdoor unit Push buttons Use the push buttons to make the fiel...

Страница 40: ...in to start operation with the chosen value 7 Push BS1 to quit and return to the initial status WARNING If any part of system is already accidentally powered on setting 2 21 on the outdoor unit can be...

Страница 41: ...l leak try to repair the leak If the repairing is unsuccessful call your local dealer Air inlet outlet Check that the air inlet and outlet of the unit is NOT obstructed by paper sheets cardboard or an...

Страница 42: ...MODE MODE The indication will change Action Push button 7 segment display Push BS2 a number of times depending on the indication you want to confirm Suction superheat refrigeration 21 times Suction t...

Страница 43: ...l dealer This chapter gives you an overview of all possible error codes and their descriptions as they appear on the user interface For detailed troubleshooting of each error see the service manual 18...

Страница 44: ...tor O O Malfunction of the gas cooler outlet temperature thermistor For LREN and LRNUN5 R4T A1P X35A Check connection on PCB or actuator O O Malfunction of the economizer outlet temperature thermistor...

Страница 45: ...in power supply Check the connection of the power supply cable O O Insufficient supply voltage Check the power supply O Communication error between the capacity up unit and the outdoor unit Check the...

Страница 46: ...1 R91T R92T Y3E Y4E Y8E Y2E FT3 FT4 FT5 FT7 FT8 FT6 FT9 FT10 FT2 FT1 Y7E Y1E E 5 Y E 4 1 Y R7T R8T R5T R21T R31T R32T R23T R93T R33T Y15E PHEX1 PHEX2 S1PH S3PH S2PH S1NPM S1NPL S2NPM S1NPH SP7 SP3 SP1...

Страница 47: ...Piping diagram Capacity up unit 15 9 C1220T H 15 9 C1220T H L RV M M HPS os H Pressure sensor Plate heat exchanger HPS Pressure switch Heat exchanger Check valve os Oil separator Service port RV Liqu...

Страница 48: ...rcuit board earth leakage detector E1HC Crankcase heater M1C E2HC Crankcase heater M2C E3HC Crankcase heater M3C F1U F2U Fuse T 6 3 A 250 V A1P A2P F3U F4U Fuse 1 A 250 V F101U Fuse A9P A10P A11P F401...

Страница 49: ...switch A1P E1HC Crankcase heater M1C F1U F2U Fuse T 6 3 A 250 V A1P F1U Fuse A6P F101U Fuse A4P F3U F4U Fuse B 1 A 250 V F401U F403U Fuse A3P F601U Fuse A2P HAP Light emitting diode service monitor i...

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