+050004122-29_r_1-2 PJEZ DISTR_GB e SPA.indd
Contents
1. s a 10 10 A ENGO7SO T 2o 1 Keep SET button pressed After 3 sec display will visualize PS Password is requested SZ BA2FLA12LRA 12A10FLAGOLRA UL873 0 Sz for 3s n NTC Ss 2 Press SET button again Display will visualize 0 blinking TROBE Ta 3 Press UP or DOWN button Visualized value on display will change Insert password 22 x j 4 Press SET button After 5 sec the first parameter 5 will be It s the name of the first visualized on display parameter 5 Press UP or DOWN button Parameter list will be scrolled on display Select desired parameter refer to Table of parameters PZD4COH101 6 Press SET button Display will visualize value of the selected _ It s the currently parameter 10T50 parameter value 8 4 A_ 10 10 A ENS ey Se 7 Press UP or DOWN button Parameter value visualized on display will Set desired value 8A 2FLA 12LRA 12A10FLAGOLRA UL873 ac S2 change NTC RE PROBES 5S 8 Press SET button Display will visualize parameter name Attention parameters ge again updating is not yet active 9 Repeat steps 5 6 7 and 8 for all desired parameters 10 Keep SET button Controller will visualize temperature read Attention now parame pressed for 5 s by probes again ters updating will be active Fig 5 Tab 4 Table of parameters Switching the device ON OFF Press UP for more than 3 s The control and defrost algorithms are now disabled and the in2. 050004122 rel 1 2 28 07 2011 EASY FREEZE PZD C0 electronic controllers for low temperature ventilated refrigeration units Description PJEZ represent a range of electronic microprocessor controllers with LED display developed for the manage ment of refrigerating units display cabinets and showcases m i i m M LEGGI E CONSERVA a T ESTE ISTRUZIONI gt qu G lt in CABLES READ AND SAVE L TOGETHER THESE INSTRUCTIONS READ CAREFULLY IN THE TEXT Technical specifications e Electronic controllers for low temperature ventilated refrigeration units e Power supply 115 or 230Vac e Ambient probe NTC e Compressor relay 16A e Defrost relay 8A e Evaporator fan relay 8A Dimensions mm 71x29 eee i Display and functions During normal operation the controller displays the temperature read by probe 1 In addition the display has LEDs that indicate the activation of the control functions see Table 1 while the 3 buttons can be used to Fig 1 activate deactivate some of the functions see Table 2 Panel mounting LEDs and associated functions Front with 2 screws 2 5x12 mm Icon fun
3. FLA 60 LRA 240 Vac nd defrost temperature ms e dP Max or effective defrost duration l 199 25 _ min s Ael fee a Pe C d4__ Defrost when the instrument is switched on 1 activated 0 1 0 8 A relay BA Res 240 Vac C300 d6 Disable temperature display during defrost 1 display disabled 0 1 1 EN60730 1 8 4 A NO 6 4 A NG 2 2 A CO 250 Vac dd _ Dripping time after defrost 0 5 I min type of probe Std CAREL NTC 10 KQ at 25 C d _ Defrost probe reading CPE connections Screw terminals for cables with cross sect from 0 5 mm2 to 1 5 mm2 A ALARM PARAMETERS Rated maximum current per terminal 12 A Ao Alarm and fan differential 20 0 20 0 2 0 PQF assembly Terminal using screws from the front panel or with rear brackets AL Low temperature alarm threshold deviation AL 0 alarm disabled _ 50 0 250 0 50 _ C F Interface wall mounting 4 screws spacing 101x151 mm AH _ High temperature alarm threshold deviation AH 0 alarm disabled _ 50 0 250 0 50__ C F display 3 digit LED display with sign 199 to 999 and decimal point six status LEDs Ad _ Low and high temperature alarm delay 0 J199 0 mn operating conditions 10750 C humidity lt 90 rH non condensing F __ FAN PARAMETERS l storage conditions 20170 C humidity lt 90 rH non condensing FO _ Fan management 0 fans on excluding specific phases 0o l range of measurement 50790 C 58T194 F resolution 0 1 C F I fans on according to paramet
4. mm between the case and the nearby conductive parts e digital and analogue input connections less than 30 m away adopt suitable measures for separating the cables so as to ensure compliance with the immunity standards Secure the connection cables of the outputs so as to avoid contact with very low voltage parts IMPORTANT WARNINGS The CAREL product is a state of the art device whose operation is specified in the technical documentation supplied with the product or can be downloaded even prior to purchase from the website www carel com The customer manufacturer developer or installer of the final equipment accepts all liability and risk relating to the configuration of the product in order to reach the expected results in relation to the specific final instal lation and or equipment The failure to complete such phase which is required indicated in the user manual may cause the final product to malfunction CAREL accepts no liability in such cases The customer must use the product only in the manner described in the documentation relating to the product The liability of CAREL in relation to its products is specified in the CAREL general contract conditions available on the website www carel com and or by specific agreements with customers Disposal of the product The appliance or the product must be disposed of separately in accordance with the local waste disposal legislation in force CAREL reserves the right to modify the
5. ction normal operation start up T ON OFF blink Pozidnivtype compressor on off request ON 7 5 P amp Ifan on off request ON s i defrost on off request ON A Jalarm all no alarm ON 7 Do not tighten i ae excessively 7 i l Table of functions activated by the buttons Fig 2 normal operation button pressing the button alone pressed together sant up A ty UP more than 3 s Pressed together start stop ON OFF toggle ON OFF continuous cycle g down more than 3 s for 1 s display defrost start stop defrost firmware vers code serial conv IROPZ485S0 prog key IROPZKEY or PSOPZKEY cat set mute 1 s display set the setpoint for 1 s RESET Fig 3 more than 3 s access parameter current setting menu enter password 22 EZY set mute audible alarm buzzer f Tab 2 Electrical connections PZDOCOPO01 gt A i 10T50 S Setting the setpoint desired temperature 7 2 8 4 A zea EN60730 1 i t 2 Step Action Effect Meaning BA ZELA TAERA ITZA SPLA On H UL 873 3 1 Keep SET button pressed for 2 s After 1 sec currently setpoint value will It s regulation setpoint 8 flash on display currently active a 2 Press UP or DOWN buttons Setpoint value will chang Set desired value 3 gt 3 Press SET button Controller will visualize temperature Setpoint is modified and read by probes again saved Tab 3 Fig 4 Accessing and setting the parameters PZD4COHOO1 x Step Action Effect Meaning 10T50 z ATE 10750
6. er F1 excluding specific phases front panel index of protection panel installation with IP65 type 1 gasket F1__ Fans shutdown temperature 50 0 130 0 2 g F case lastic terminal 81x36x65 mm F2__ Fans OFF when compressor OFF 0 1 1 a l P F3 Fans status during defrost 0 fan ON 1 fan OFF 0 1 1 classification according to protection Class II when suitably integrated H OTHER SETTINGS against seti Lach H2 Enable keypad 0 D environmental pollution norma 0 keypad disabled 1 keypad enabled 2 keypad enabled except for ON OFF function EZY restore the Default settings 0 1 0 Tab 5 Table of alarms Alarm buzzer and LED Description Parameters involved code _ alarm relay EO active ON _ probe 1 error control El inactive ON probe 2 error defrost d0 0 1 LO active ON low temperature alarm AL Ad HI active ON __ high temperature alarm AH Ad EE inactive ON _ unit parameter error EF inactive ON operating parameter error Ed inactive ON defrost ended by timeout dP dt d4 A8 dF inactive OFF defrost running d6 0 Tab 6 How to restore the Default settings refer to table of parameters in this sheet 1 Access parameter EZY entering password 22 and scroll parameter list 2 Select the desired configuration e EZY 0 gt No changes EZY 1 gt Restore of default settings refer to Table of parameters in this sheet 3 Exit the sett
7. features of its products without prior notice CAREL INDUSTRIES HQs Via dell Industria 11 35020 Brugine Padova Italy CAREL 050004122 rel 1 2 28 07 2011 Tel 39 0499716611 Fax 39 0499716600 http www carel com e mail carel carel com
8. ing procedure holding SET button for more than 3 sec 4 Power off the device and then power it on again while holding SET button 5 The display shows CE to indicate that the configuration has been restored WARNING separate as much as possible the probe and digital input signal cables from the cables carrying inductive loads and power cables to avoid possible electromagnetic disturbance Never run power cables including the electrical panel wiring and signal cables in the same conduits eo No POWER ry esaa CABLES LSJ TOGETHER READ CAREFULLY IN THE TEXT PTI of the insulating material 250 V period of stress across the insulating parts long category of resistance to heat and fire category D UL94 VO immunity against voltage surges category 1 type of action and disconnection 1C relay contacts no of relay automatic operating cycles EN60730 1 100 000 operations UL 30 000 operations 250 Vac software class and structure Class A cleaning the instrument Only use neutral detergents and water cable max lenght serial 1 km probes 30 m relay 10 m Tab 7 Note do not run the power cable less than 3 cm from the bottom part of the device or from the probes for the connections only use copper wires Safety standards compliant with the relevant European standards Installation precautions e the connection cables must guarantee insulation up to 90 C e ensure a space of at least 10
9. strument displays the Parameter Min Max Def UOM ee message OFF alternating with the temperature read by the set probe PS __ PASSWORD 0 200 22 ___ PROBE PARAMETERS Manual defrost B Select C F 0 CG 1 0 0 Press DOWN for more than 3 s the defrost starts only if the temperature conditions are valid 6 _ Disable decimal point 1 disabled 0 1 0 C1__ Probe calibration 50 0 50 0 0 0 C F Conti C2_ Probe 2 calibration 50 0 50 0 0 0 C F on pe cycle herf h r CONTROL PARAMETERS Press UP and DOWN together for more than 3 s St__ Control temperature 50 0 90 0 18 0 C F Se rd Control differential hysteresis 0 0 19 0 20 C F Technical specifications c COMPRESSOR PARAMETERS power supply 115 Vac 10 15 50 60 Hz cO _ Comp and fan start delay after start up 0 100 0 min 230 Vac 10 15 50 60 Hz cl__ Min time between successive comp starts 0 100 f1 min rated power 3 5 VA c4 Compressor safety duty setting 0 100 15 min inputs NTC probes d DEFROST PARAMETERS relay outputs 16 A relay UL 12 A Res 5 FLA 30 LRA 240 Vac C300 do Type of defrost 0 heater 1 hot gas 2 heater by time 0 4 0 EN60730 1 12 2 A NO NC 10 4 A up to 60 C NO 3 hot gas by time 4 heater by time with temp cont 2 2 A CO 250 Vac l eut wo defrosts ETE cH 2HP ralay UL 12 A Res 5
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