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• Page 1: User Manual

  / easy compact / easy split electronic digital thermostats with defrost control User manual NO POWER & SIGNAL CABLES TOGETHER READ CAREFULLY IN THE TEXT! I n t e g r a t e d C o n t r o l S o l u t i o n s & E n e r g y S a v i n g s…

• Page 3
  The technical specifi cations shown in the manual may be changed without prior warning. The liability of CAREL in relation to its products is specifi ed in the CAREL general contract conditions, available on the website www.carel.com and/or by specifi c agreements with customers; specifi cally, to the extent where allowed…

• Page 5: Table Of Contents

  Content 1. INTRODUCTION 1.1 Main characteristics ………………..7 1.2 Models ……………………7 1.3 Main diff erences between easy, easy compact and easy split ..9 1.4 NTC and PTC probes ………………9 1.5 Accessories ………………….9 1.6 Defi nitions …………………..9 2. ASSEMBLY AND INSTALLATION 2.1 Assembly …………………..10 2.2 Electrical connections ………………11…

• Page 7: Introduction

  1.1 Main characteristics The following table lists the main features of the easy, easy compact and easy split controllers. Features…

• Page 8
   fan management with comp. off 4.10   night-time operation with light 4.11 management Table 1.b * available but cannot be set from the keypad nor the programming key. easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 9: Main Diff Erences Between Easy, Easy Compact And Easy Split

  PTC, and 10 kΩ for the NTC. The type of probe installable depends on the model (order code). The easy split models, on the other hand, only use NTC and high temperature NTC probes (50 KΩ at 25°C), selected by parameter.

• Page 10: Assembly And Installation

  (formation of corrosive patina with possible oxidation (*) do not over-tighten the screws. and reduction of insulation. To install easy, easy compact and easy split: make an opening in the panel based on the drilling template, 71×29 mm. Dismantling using the screws from the front •…

• Page 11: Electrical Connections

  • the probes can be installed up to a maximum distance of 30 m from the controller (10 m for easy split). To extend the distance of the probes, 230Vac or use cables with a minimum cross-section of 1 mm2, shielded where…

• Page 12
  (*) For codes PJEZ*8**5* the temperature range is -10T50 °C and the maximum current is 16 A. See the table of technical specifi cations. ———— = recommended internal power supply connections. easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 13: Wiring Diagram For Multiple Units

  120 ohm Fig. 2.h easy split: The serial connection for the easy split models with 4 relays depends on the setting of parameter H7, as the management of the fourth relay (RL4) and serial communication are mutually exclusive. The factory setting is H7=1, which means the fourth relay is enabled. To enable connection to the supervisor network: power down the controller;…

• Page 14: User Interface And Start Up

  EZY together (2 — more than 3 s: accesses and 3) activate Keypad functions for easy and easy compact M models the parameter setting menu parameter (models with keypad only) (enter password 22) reset — mutes the audible alarm…

• Page 15: Easy Split

  Display the controller to make it operative. CAREL then recommends to check that the display does not show any alarm signals (see par. “5.1 Table of alarms and signals” on page 31), then set the time and date (in the models fi tted with RTC, see par. “4.11 Clock and time band parameters”…

• Page 16
  Press DOWN for more than 3 s (activated only if the temperature conditions are right, for easy split only if the light output is not set, H1≠4). Alternatively, on easy split models, if the light output is set (H1=4), the defrost can be activated by pressing UP and DOWN together, when H6=1).

• Page 17: Functions And Parameters

  This chapter describes all the functions of the easy, easy compact and Example: In the case of bottle coolers, typically used in supermarkets, easy split. See Table 1.b for the compatibility of the functions with the when the doors are opened frequently, due to the greater thermal inertia model used.

• Page 18: Temperature Control

  Used to enable or disable the temperature display with the resolution to Value that automatically increases the set point temperature during the the tenths of a degree between -20 and + 20 (easy and easy split) or -10 night-time operation time bands.

• Page 19: Continuous Cycle

  (H1=7). 4.6 Compressor protection The easy, easy compact and easy split controllers are fi tted with an automatic compressor protection system to avoid continual starts or stops of the unit. The protection is based on the times in minutes set for parameters c0;…

• Page 20: Defrost

  • from the keypad pressing the DOWN button for 3 s (manual defrost) (for easy split H1 must be ≠4. If H1=4 the UP and DOWN buttons can be pressed together, when H6=1); dt: end defrost temperature set point/defrost temperature threshold •…

• Page 21
  (only manual defrosts from the keypad or multifunction contact) or to set dI to a value which is greater than the maximum set interval. easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 22: Alarm Parameters

  A4: 3rd input confi guration (easy compact) The multifunction input is only available on the easy models with three inputs; is not available on the easy compact models. A0: alarm and fan temperature diff erential This parameter is used to set the functions of the input.

• Page 23
  (1) contact open= alarm detected unit 1 contact closed= normal operation. When A4=1 easy can be connected to an external contact for immediately dP (2) d5 (2) signalling alarms. The alarm signal can be delayed by setting parameter unit 2…
• Page 24
  14 Product probe again). Table 4.o AC-AE/2 A4=0, 1, 2, 3: see A4=0, 1, 2, 3 for easy, easy compact in previous paragraph. AC-AE A4=4 Curtain switch and night-time operation See the previous paragraph. In easy split models if the light output is Fig.

• Page 25: Door Open/Closed Management

  Door switch with evaporator fan off and light not managed A4=13 for easy split). See A4=7 for easy, easy compact in previous paragraph. In easy split models with light output confi gured (H1=4), the status of the light output remains unchanged.

• Page 26
  Easy split Closing the door the fi rst time: the controller maintains the previous status: In easy split models the algorithm for managing the door depends on • the fans and/or compressor (see parameter ‘A4’) remain off ; the type of unit selected, according to parameter Ado, and the setting •…

• Page 27: Evaporator Fan Management Parameters

  The evaporator fan control temperature is measured by probe 2, (connector 10). To know which output is associated with the fan, see the wiring diagram for the “easy” model used (see par. “2.2 Electrical connections” page 11). Important: these parameters are not available in the compact models.

• Page 28: Clock And Time Band Parameters

  Parameters for setting up to 4 defrost time bands 4.11 Clock and time band parameters d1d…d4d Defrost event day setting The RTC (Real Time Clock), not available on the easy compact models, is d1d…d4d=0 no defrost event used to manage the defrost function, curtain switch/night-time operation d1d…d4d=1…7 Monday to Sunday…

• Page 29: Rapid Parameter Set Selection (Ezy)

  Examples of operation: the digital input. On easy split models there are also the light and second compressor outputs, with or without rotation. example 1…

• Page 30
  When set to a positive value (values from 0 to 31 are used REQ2 by CAREL for the basic models), if a parameter, including the set point, is modifi ed from the keypad, the value becomes negative. This allows any modifi cations made the parameters compared to the initial settings to be monitored.

• Page 31: Tables Of Alarms And Parameters

  5. TABLES OF ALARMS AND PARAMETERS 5.1 Table of alarms and signals Note: in easy split controllers, when starting control (powering up When an alarm is activated, the display shows the corresponding message the controller and/or switching from OFF status), the high that fl ashes alternating with the temperature;…

• Page 32: Data Error

  • press the SET button for more than 3 s to permanently save the parameters and exit the parameter setting procedure. easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 33: Table Of Easy Parameters

  X, Y, C (*) AUX time band ON day days X, Y, C (*) AUX time band ON hours X, Y, C (*) AUX time band ON minutes X, Y, C (*) easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 34: Table Of Easy Compact Parameters

  S (with 1 & 2 probes) Table 5.d Warning Warning the easy compact models only display two digits. If the range is below -99 and above 99, the terminal will display “- — “. easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 35: Table Of Easy Split Parameters

  S,C (*) night time band ON day S,C (*) night time band ON hours S,C (*) nOM night time band ON minutes S,C (*) night time band OFF day S,C (*) easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 36: Table Of Ezy Parameter Sets

  (reverse) digital input alarm management defrost with temp. control (d0= 4) defrost by temperature (d0=4) easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 37
  (reverse) digital input alarm management defrost with temp. control (d0= 4) defrost by temperature (d0=4) easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 38: Troubleshooting

  • F1 (evaporator fan control set point) too low. • post-dripping delay set 3. if F0=0 • F2=1 and the compressor is off • dripping in progress • post-dripping in progress Table 5.i easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 39: Technical Specifications

  Warning : do not run the power cable less than 3 cm from the bottom of the device or the probes; for the connections, only use Fig. 6.b copper wires. 65,29 71×29 Fig. 6.a easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 40: Easy Split Technical Specifi Cations

  (**) Minimum T OFF between two starts must be greater than 1 min. (***) Conformity to UL873 only corresponds to models without plastic case. Terminal Power board 103.5 Ø 4 38,29 71×29 Fig. 6.c Fig. 6.d easy/easy compact/easy split +030220791 — rel. 3.2 — 13.07.2010…

• Page 41: Electromagnetic Compatibility

  6.4 Electromagnetic compatibility The easy and easy compact series is compliant with the EU standards on electromagnetic compatibility: • for household appliances EN 55014-2 and EN 55014-1; • for residential, commercial and light industrial environments EN 50082-1 and EN 50081-1;…

• Page 42
  Notes…
• Page 44
  Agenzia / Agency: CAREL INDUSTRIES — HQs Via dell’Industria, 11 — 35020 Brugine — Padova (Italy) Tel. (+39) 049.9716611 — Fax (+39) 049.9716600 e-mail: carel@carel.com — www.carel.com…