Daikin LREQ5B7Y1 User Manual Download | Manualshive

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INSTALLATION MANUAL

LREQ5B7Y1
LREQ6B7Y1
LREQ8B7Y1
LREQ10B7Y1
LREQ12B7Y1
LREQ15B7Y1
LREQ20B7Y1

Air cooled refrigeration condensing unit

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Summary of Contents for LREQ5B7Y1

Page 1: ...INSTALLATION MANUAL LREQ5B7Y1 LREQ6B7Y1 LREQ8B7Y1 LREQ10B7Y1 LREQ12B7Y1 LREQ15B7Y1 LREQ20B7Y1 Air cooled refrigeration condensing unit...

Page 2: ...jennom positiv bed mmelse av B if lge Sertifikat C som det fremkommer i den Tekniske Konstruksjonsfilen D og gjennom positiv bed mmelse av E Anvendt modul F G Risikokategori H Se ogs neste side 13 jot...

Page 3: ...PS vastav k llastunud temperatuur M C Jahutusaine N Surve turvaseadme seadistus P bar Tootmisnumber ja tootmisaasta vaadake mudeli andmeplaati 21 PS K bar TS TSmin L C TSmax PS M C N P bar 22 Maksima...

Page 4: ...on manual Improper installation may result in water leakage electric shocks or fire When installing the unit in a small room take measures so that the refrigerant may not exceed the limiting concentra...

Page 5: ...ons be observed for keeping the system clean dry and tightly sealed Read the chapter 6 REFRIGERANT PIPING on page 5 carefully and follow these procedures correctly A Clean and dry Strict measures must...

Page 6: ...disturb anyone 3 The foundation is strong enough to support the weight of the unit and the floor is flat to prevent vibration and noise generation 4 The piping length between the outdoor unit and the...

Page 7: ...ary to take measures against leakage See Engineering Data for details 4 HANDLING THE UNIT 1 Decide on the transportation route 2 If a forklift is to be used pass the forklift arms through the large op...

Page 8: ...ng refrigerant piping heat exchangers Keep the following points in mind for the reuse of existing refrigerant piping heat exchangers A malfunction may result if there is deficiency Do not use the exis...

Page 9: ...oor unit H 10 m Note A trap is required at 5 m intervals from outdoor unit d1 e B d2 C c D1 F E f D2 A b a Outdoor unit Showcase Unit cooler Gas piping Liquid piping H Refrigerant piping size Unit mm...

Page 10: ...e operation manual of the dryer 6 5 Connecting the refrigerant piping CAUTION In addition to gas and liquid shutoff valves this unit has a maintenance shutoff valve see diagram below Do not operate th...

Page 11: ...dripped out in case the recovery was not complete and only then proceed with connection of the field piping 1 Service port 2 Stop valve 3 Point of pipe cutting just above brazing point or above markin...

Page 12: ...apply a screw lock agent to the screw thread Do not apply a screw lock agent for flare nut use to the sealing part Be sure to tighten the cap securely after the work Refer to Operation Method of Shuto...

Page 13: ...eriorate power factor improvement effect but also may cause capacitor abnormal heating accident due to high frequency waves Only proceed with wiring work after blocking off all power Always ground wir...

Page 14: ...eakage Be sure to connect the power wiring to the power wiring terminal block and secure it as described in 7 2 Procedure for incoming wiring on page 11 Do not connect the power supply to the terminal...

Page 15: ...EN IEC61000 3 11 1 provided that the system impedance Zsys is less than or equal to Zmax and EN IEC61000 3 12 2 provided that the short circuit power Ssc is greater than or equal to the minimum Ssc va...

Page 16: ...y the washer Otherwise the earth wire may not contact sufficiently and the earthing effect of the wire may be lost Do not finish strand wire with solder 7 4 Procedure for wiring inside units Referring...

Page 17: ...red to have passed if there is no decrease in the pressure over a period of 24 hours If there is a decrease in the pressure check for and repair leaks Vacuum drying Operate the vacuum pump for more th...

Page 18: ...of piping material on page 6 2 Make sure insulation work is done See 8 2 Thermal insulation work on page 14 3 Make sure there is no faulty refrigerant piping See 6 REFRIGERANT PIPING on page 5 9 CHEC...

Page 19: ...ling 1The cylinder s internal pressure will drop when there is little refrigerant remaining in the cylinder making it impossible to charge the unit even if the liquid shutoff valve opening is adjusted...

Page 20: ...lay The contents of a LED H2P display are as follows How to check malfunction code By operating the pushbutton switches on the PCB malfunction code items can be displayed on the condensing unit 1 Make...

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Page 24: ...4PW74302 1 2012 06 Copyright 2012 Daikin 4PW74302 1 00000003...

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