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Pego PLUS300 EXPERT U THR Use And Maintenance Manual
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Pego PLUS300 EXPERT U THR Use And Maintenance Manual

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PLUS300
EXPERT U
THR
Use and maintenance manual
ENGLISH
READ AND KEEP
ELECTRICAL BOARDS FOR REFRIGERATING INSTALLATIONS
REV. 01-18
ENG

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Summary of Contents for Pego PLUS300 EXPERT U THR

  • Page 1 PLUS300 EXPERT U Use and maintenance manual ENGLISH READ AND KEEP ELECTRICAL BOARDS FOR REFRIGERATING INSTALLATIONS REV. 01-18...
  • Page 2 PLUS300 EXPERT U THR Thanks for choosing this PEGO electrical panel. This manual gives detailed information on installation, use and maintenance of PLUS300 EXPERT U THR series electrical panels and special version. Our products are designed and built in compliance with current standards, on the specific field of refrigeration and conditioning systems.

  • Page 3: Table Of Contents

    Automatic programs Pr1, Pr2, Pr3, Pr4, Pr5 Pag. 22 5.12 Germination day/night cycle Pag. 23 5.13 Ignition of PLUS300 EXPERT U THR electronic control Pag. 23 5.14 Cold/hot: preservation of ambient temperature Pag. 24 5.15 Humidity/dehumidification: preservation of ambient humidity Pag.

  • Page 4: General

    CHAP. 1 - Introduction PLUS300 EXPERT U THR CHAPTER 1: INTRODUCTION GENERAL FEATURES DESCRIPTION: Three-phase electrical panel for temperature and humidity control for evaporating unit with electrical heaters for hot. To match with a compressor rack or a remote condensing unit.

  • Page 5: Pag.

    CHAP. 1 - Introduction PLUS300 EXPERT U THR PRODUCT IDENTIFICATION CODE 110P30EUTHR Temperature and humidity control for seasoning, preservation and industrial processes. DIMENSIONS Dimensions in mm IDENTIFICATION DATA The unit described in this manual has an ID plate on its side showing the relevant ID data: •...
  • Page 6 KIT FOR MOUNTING PLUS300 EXPERT U THR electronic controller kit, for assembling and using, contains: • N° 4 seals, to be fitted between the fixing screws and the box back panel. • N° 1 use and maintenance manual.
  • Page 7 Install short-circuit overload safety devices on all the power cables connected to the PLUS300 EXPERT U THR so as to prevent damage to the device. Work and/or maintenance must ONLY be carried out on the unit after disconnecting the panel from the power supply and from any inductive/power loads: doing so allows the worker to do his job safely.
  • Page 8 CAP. 2 - Installation PLUS300 EXPERT U THR FUNCTIONS MANAGED BY PLUS300 EXPERT U THR • Display and adjustment of temperature and humidity settings (neutral zone). • Stand-by activation/deactivation. • Sensor alarms. • Air change parameter adjustment. • Defrost parameter adjustment.

  • Page 9: Technical Characteristics

    CHAP. 3 - Technical characteristics PLUS300 EXPERT U THR CHAPTER 3: TECHNICAL CHARACTERISTIC TECHNICAL CHARACTERISTICS PLUS300 EXPERT U THR TECHNICAL CHARACTERISTICS Box dimension 400 x 300 x 135mm Weight 6 Kg Protection rating IP65 Power supply ( 3F + N + T ) 400Vac ±10% 50/60Hz...

  • Page 10: Warranty Conditions

    The intervention service in warranty can be refused when the equipment is modified or transformed. Under no circumstances Pego S.r.l. will be liable for any loss of data and information, costs of goods or substitute services, damage to property, people or animals, loss of sales...

  • Page 11: Control Panel

    CHAP. 5 - Parameters programming PLUS300 EXPERT U THR CHAPTER 5: PARAMETER PROGRAMMING CONTROL PANEL       FRONTAL KEYBOARD  PROGRAM START/STOP (to press 5 sec for selecting the program to run, to press 5 sec for finishing a running program)
  • Page 12 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR  DOWN / MUTE ALARM / FORCING AIR CHANGE  ROOM LIGHT DISPLAY LED PHASE 0 advancing/ Dripping / Day germination phase PHASE 1 advancing PHASE 2 advancing PHASE 3 advancing...
  • Page 13 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR PHASE 5 advancing Refreshment Ambient temperature value/ parameters Ambient relative humidity / parameters value / error codes Time / date / time parameters value / running program / timer Programming (the controller is in programming phase)
  • Page 14 Stand-by GENERAL FEATURES For safety reasons and to simplify the operator’s work, the PLUS300 EXPERT U THR has two programming levels; the first level is used to modify SETPOINT parameters (i.e. those parameters that are changed frequently). The second level is for general parameter programming of the various board work modes.
  • Page 15 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR FIRST LEVEL PROGRAMMING (User Level) To access the first programming level proceed as follows: 1. Press the () and () keys simultaneously and keep them pressed for a few seconds until the first programming variable appears on the display.
  • Page 16 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR Dripping duration (minutes) At the end of defrosting, the compressor and the fans remain 0 ÷ 10 min 0 min still for the d7 set time, the defrosting icon flashes. Fans pause after defrosting (minutes) Enables keeping the fans still for an F5 time after dripping.
  • Page 17 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR SECOND LEVEL PROGRAMMING (Installer Level) To access the second programming level press the UP () and DOWN () keys and the LIGHT key simultaneously for a few seconds. When the first programming variable appears the system automatically goes to stand-by.
  • Page 18 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR Fans speed during 0 = High speed seasoning/preservation The value of this variable is amended based on the set- 1 = Low speed up made during the last phase of a (only if rin=1) performed program.
  • Page 19 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR Temperature differential referred to Setpoint for COLD BLOCK. 0 ÷ 20 °C It constitutes the SET-btF limit below which the cold call relay and the dehumidification relay 0 = Disabled are disabled.
  • Page 20 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR 0 – 999 Protection password Current date dd:mm:yy Current time 0:00...23:59 (reading only) Software release Shows the software release AUTOMATIC PROGRAMS Pr1, Pr2, Pr3, Pr4, Pr5 5.11 To access the automatic programmes parameters, keep keys START/STOP and SET pressed for a few seconds (the function is active only if Cg=0).
  • Page 21 PLUS300 EXPERT U THR VARIABLES MEANING VALUES DEFAULT CIC = 0 at the end of the last program phase (phase 5) it moves to manual. 0 = it ends the program and CIC = 1 at the end of the last timed phase moves on to manual.
  • Page 22 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR 0 = NO Phase 3 refreshment 1 = YES 0 = High speed Phase 3 evaporator fans speed. Amends 1 = Low speed the value of 2nd level variable (F8) (only if rin = 1) 0:00...99:30...
  • Page 23 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR 5. Memorisation of the amendments made to the variables will happen automatically when exiting the configuration menu. Exiting from the menu happens spontaneously after an inactivity period or by simultaneously pressing keys () and () for a few seconds.
  • Page 24 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR Parameter C1 introduces a delay between a switch-off and the subsequent re-activation of the cold. Hot can be deactivated with parameter EnH (EnH=0 disables the hot relay in all conditions). HUMIDITY/DEHUMIDIFICATION: PRESERVATION OF AMBIENT HUMIDITY 5.15...
  • Page 25 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR 3. Separate dehumidification (only the dehumidification output activates but hot and cold are not called) It is possible to give a maximum time for the dehumidification phase (parameter dEt) by signalling an alarm or forcing a refreshment (parameter dEo).
  • Page 26 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR PAUSE 5.18 The refreshment is a phase of the pause process of the temperature and humidity management. Refreshments are managed with parameters Pr and dr. Pr defines the interval between one refreshment and the following one, dr defines the duration of the refreshment.
  • Page 27 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR PASSWORD FUNCTION 5.21 The password function activates by setting a value different from 0 for parameter PA. See parameter P1 for the different protection levels. Protection is enabled automatically after approx. 2 minutes of inactivity on the keyboard.
  • Page 28 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR Each phase and the dripping are characterised by: Temperature setpoint. • Humidity setpoint. • Refreshments enabling/disabling. • High or low fans speed. • Phase duration (maximum 99 hours with 30 min steps).
  • Page 29 CHAP. 5 - Parameters programming PLUS300 EXPERT U THR DAY/NIGHT CYCLE FOR GERMINATION LIGHTS 5.23 By setting parameter Cg (Germination/seasoning cycle) at second programming level, it is possible to choose the use of the programmes or a special program suitable for day/night cycles: Cg = 0 (default) activates the automatic programmes management for seasoning;...

  • Page 30: General Security Rules

    CHAP. 8 - Maintenance PLUS300 EXPERT U THR CHAPTER 6: MAINTENANCE GENERAL SECURITY RULES For any type of maintenance, it must be exclusively executed by skilled technical staff. In case of break down or maintenance to the electrical system, before proceeding please cut off voltage to the panel placing general power supply switch on open position (O).
  • Page 31 CAP. 8 - Maintenance PLUS300 EXPERT U THR MAINTENANCE The maintenance is necessary to ensure the electrical panel functionalities during the time and to avoid that damaging of a few elements can put people in danger. It must be done by skilled and authorized technical staff respecting the general security rules.
  • Page 32 PLUS300 EXPERT U THR CHAPTER 8: DIAGNOSTIC DIAGNOSTIC In the event of a fault the PLUS300 EXPERT U THR controller warns the operator by displaying an alarm code and emitting a warning sound via the buzzer inside the control console.
  • Page 33 DEL FABBRICANTE: THIS DECLARATION OF CONFORMITY IS ISSUED UNDER THE EXCLUSIVE RESPONSIBILITY OF THE MANUFACTURER: PEGO S.r.l. Via Piacentina 6/b, 45030 Occhiobello (RO) – Italy – DENOMINAZIONE DEL PRODOTTO IN OGGETTO / DENOMINATION OF THE PRODUCT IN OBJECT MOD.: PLUS300 EXPERT U THR IL PRODOTTO DI CUI SOPRA E’...
  • Page 34 Appendices PLUS300 EXPERT U THR 100N MASTER PLUS300 EXPERT U THR WIRING DIAGRAM Power supply section Outputs section (contacts without voltage) 1-2 Power supply 230VAC 50/60 Hz 21-22 Alarm Analogical/digital inputs section 23-24 Defrosting 29-30 Evaporator NTC probe 25-26 Dehumidification 31-32 Humidity probe 4..20 mA...
  • Page 35 PLUS300 EXPERT U THR NOTES USE AND MAINTENANCE MANUAL Pag. 35 Rev. 01-18...
  • Page 36 Tel. +39 0425 762906 Fax +39 0425 762905 e.mail: info@pego.it – www.pego.it AFTER-SALES ASSISTANCE CENTRE Tel. +39 0425 762906 e.mail: tecnico@pego.it Distributor: USE AND MAINTENANCE MANUAL Pag. 36 Rev. 01-18 PEGO s.r.l. reserves the right to make amendments to this user manual at any moment.

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