Carel PJEZ Series User manual

PJEZ (PJEZ****G/H/I/L/M/N/O/P*) - electronic controller
+050004235 - rel. 1.2 - 09.07.2015
Dimensions (mm)
Panel mounting
Rear (with 2 quick-t side brackets)
Fig. 1
Fig. 2
Description
PJEZ* (models S, Y, C) represent a range of electronic microprocessor controllers with LED display developed for
the management of refrigerating units, display cabinets and showcases.
• PJEZS*, designed for the management of static refrigerating units, no fan on the evaporator, operating at
temperature above 0°C;
• PJEZY*, designed for the management of static refrigerating units, no fan, operating at low temperatures;
• PJEZC*, designed for the managements of low temperature ventilated refrigerating units.
Technical specifications
power supply 230 Vac +10 /-15% 50/60 Hz; 115 Vac +10 /-15% 50/60 Hz
rated power 3.5 VA
inputs NTC probes 1 or 2 inputs
1 digital input
relay outputs
30 A relay UL: 16 A Res. 16 FLA 96 LRA - 240 Vac (FASTON tabs)
EN60730-1: 20(10) A 250 Vac (FASTON tabs)
UL: 12 A Res. 12 FLA 72 LRA - 240 Vac
EN60730-1: 12(10) A 250 Vac
8 A relay UL: 8 A Res. 2 FLA 12 LRA - 240 Vac C300,
EN60730-1: 8(4) A NO, 6(4) A NC, 2(2) A CO - 250 Vac
5 A relay UL: 5 A Res. 1 FLA 6 LRA - 240 Vac C300,
EN60730-1: 5(1) A - 250 Vac
type of probe Std CAREL NTC 10 KΩat 25 °C
connections
for screw terminals, cross-section of cables from 0.5 mm2 to 1.5 mm2, rated maximum
current per terminal 12A
for FASTON tabs, cross-section of cables up to 2.5 mm2, rated maximum current per
terminal 20A
assembly use rear brackets
display 2 digit LED display with sign (-99 to 99) and decimal point; four status LEDs
operating conditions -10T50 °C - humidity <90% rH non-condensing
storage conditions -20T70 °C - humidity <90% rH non-condensing
range of measurement -50T90 °C - resolution 0.1 °C
front panel index of protection panel installation with IP65 type 1 gasket
case plastic terminal, 81x26x65 mm
classification according to protection against
electric shock Class II when suitably integrated
environmental pollution normal
PTI of the insulating material 250V
period of stress across the insulating parts long
category of resistance to heat and fire category D (UL94 – V2)
immunity against voltage category 1
type of action and disconnection 1C relay contacts
no. of relay automatic operating cycles 100,000 operations
software class and structure Class A
cleaning the instrument only use neutral detergents and water
cable max. length probes: 30m, relay: 10m
WARNING:
• do not run the power cable less than 3 cm from the bottom part of the device or from the probes;
• the connections only use copper wires;
• relay not allowed to use on fluorescent lamp(neon) with phase-shift capacitors.
Table of alarms
Alarm code LED Description Parameters
involved
E0 ON probe 1 error = control -
E1(*) ON probe 2 error = defrost [d0 = 0 / 1]
dr(*) ON open door alarm
Lo ON low temperature alarm [AL] [Ad][A0]
HI ON high temperature alarm [AH] [Ad][A0]
EE ON unit parameter error -
EF ON operating parameter error -
(*) not available for PJEZS*E*
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 installation 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.
PJEZS*
9 10 118
DI
NTC
PROBES
N
1 2 3 4 5 6 7
L
-10T50
DEF. T.
DEF. T.
DI
NTC
PROBES
JST CONNECTOR
AMB. T.
AMB. T.
PJEZ(C,Y)*
1 2 3 4 5 6 7
L
N
-10T50
or
or
Electrical connections
Fig. 3
Disposal of the product
The appliance (or the product) must be disposed of
separately in accordance with the local waste disposal
legislation in force.
Safety standards:
Installation precautions:
• the connection cables must guarantee insulation up to
90 °C;
• ensure a space of at least 10 mm between the case and
the nearby conductive parts;
• digital and analogue input connections less than 30m
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.
NOTE: PJEZS*E* only support one NTC probe.

卡乐保留不预先告示即修改产品特性的权力。
CAREL INDUSTRIES HQs
Via dell’Industria, 11 - 35020 Brugine - Padova (Italy)
Tel. [phone] – Fax [phone] – http://www.carel.com – e-mail: [email protected]
Parameters table
Table of parameters for PJEZY*,PJEZC*,PJEZS*J*
Description Type Min Max Def. UOM
PS Password F 0 99 22 -
-C1 Probe 1 calibration F -20 20 0 °C
-C2 Probe 2 calibration F -20 20 0 °C
St Control temperature F -50 90 4.0 °C
rd Control differential F 0 19 2.0 °C
c0 Comp. and fan start delay after start-up C 0 99 0 Min
c2 Min. compressor off time C 0 99 3Min
d0
Type of defrost (0= heater; 1= hot gas;
2= heater by time; 3= hot gas by time;
4= heater by time with temp. cont.)
C 0 4 0 -
dI Interval between two defrosts C 0 24 8 Hour
dt End defrost temperature C -50 90 12 °C
dP Max. or effective defrost duration C 1 99 30 Min
dd Dripping time after defrost C 0 15 2Min
A0
Fan and alarm differential (≤0,AL and AH expres-
sed as absolutes; >0,AL and AH expressed relative
to the set point)
C -20 20 -2.0 °C
AL
Low temperature alarm threshold/deviation
(when A0≤0,AL=-50:alarm disable, when A0>0,
AL=0:alarm disable)
C -50 90 -50 °C
AH
High temperature alarm threshold/deviation
(when A0≤0,AH=90:alarm disable, when A0>0,
AH=0:alarm disable)
C -50 90 90 °C
Ad Low and high temperature alarm delay C 0 99 0Min
A4
door related FAN or Light management
0= input not active
1=door opening with FAN OFF
2= door opening with Light ON
3= door opening with display shown “do”, keypad
ON/OFF Light
4= door opening with display shown “EA” and
Comp. OFF, keypad ON/OFF Light
C 0 4 0 -
A7 External alarm detection delay C 0 19 9 0 Min
F0 enable fan control C 0 1 0 -
F1 Fans shutdown temperature F -50 99 5.0 °C
F2 fan off when compressor off C 0 2 1 -
F3 fan states during defrost C 0 1 1 -
Fd post-dripping time C 0 15 0Min
F4 Start delay when FAN ON is required by the
Regulation C 1 99 3 Sec
F5 Fan Duty Cycle(with F2=2): ON time C 1 99 5Min
F6 Fan Duty Cycle(with F2=2) : OFF time C 1 99 5Min
r1 Minimum set point allowed to the user C -50 r2 -50 °C
r2 Maximum set point allowed to the user C r1 90 90 °C
Table of parameters for PJEZS*E*
Description Type Min Max Def. UOM
PS Password F 0 99 22 -
-C1 Probe 1 calibration F -20 20 0 °C
St Control temperature F -50 90 4.0 °C
rd Control differential F 0 19 2.0 °C
c0 Comp. and fan start delay after start-up C 0 99 0 Min
c2 Min. compressor off time C 0 99 3 Min
dI Interval between two defrosts C 0 24 8 Hour
dP Max. or effective defrost
duration C 1 99 30 Min
dd Dripping time after defrost C 0 15 2 Min
A0
Fan and alarm differential (≤0,AL and AH expres-
sed as absolutes; >0,AL and AH expressed relative
to the set point)
C -20 20 -2.0 °C
AL
Low temperature alarm threshold/deviation
(when A0≤0,AL=-50:alarm disable,when A0>0,
AL=0:alarm disable )
C -50 90 -50 °C
AH
High temperature alarm threshold/deviation
(when A0≤0,AH=90:alarm disable, when A0>0,
AH=0:alarm disable)
C -50 90 90 °C
Ad Low and high temperature alarm delay C 0 99 0 Min
r1 Minimum set point allowed to the user C -50 r2 -50 °C
r2 Maximum set point allowed to the user C r1 90 90 °C
*F:frequent parameters, without password
*C:configuration parameters, with password
+050004235 - rel. 1.2 - 09.07.2015
Fixed settings
• Minimum compressor ON time is 1 minute;
• If there is no defrost relay, the compressor will be shut down for defrost;
• Freeze the display when defrost, it returns when the temperature reaches the set point;
• Alarm is bypassed 1 hour after defrost;
Setting the set point (desired temperature)
• press for 1 s, the set value will start flashing after a few moments;
• increase or decrease the value using or ;
• press to confirm the new value.
Switching the device ON/OFF
press for more than 3 s. The control and defrost algorithms are now disabled and the instru-
ment displays the message“OFF” alternating with the temperature read by the set probe.
Manual defrost (only for models C/Y)
press down for DOWN more than 3 s (the defrost starts only the temperature conditions are
valid).
Show defrost probe temperture(only for models C/Y)
press and together.
Access and setting type F (frequent) and type C (configuration)
parameters
• press for 3 s (the display will show “PS”);
• to access the type F and C parameter menu, enter the password “22” using / ;
• to access the F parameter menu only, press (without entering the password);
• scroll inside the parameter menu using / .
To display/set the values of the parameter displayed, press , then / and finally to
confirm the changes (returning to the parameter menu).
To save all the new values and exit the parameter menu, press for 3 s;
To exit the menu without saving the changed values (exit by timeout) do not press any button for
at least 60 s.
Display and functions
During normal operation, the controller displays the ambient temperature. 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 activate/deactivate some of the functions (see Table 2).
LEDs and associated functions
5
index function normal operation Start up
ON OFF blink
1 compressor on off request on
2 fan on off request on
3 defrost on off request on
4 aux output on output off - on
5 digit 2 digit LED display with sign (-99 to 99) and decimal point
Table.1
Table of functions activated by the buttons
button normal operation start up
pressing the button alone pressed together
more than 3 s: toggle ON/OFF pressed together
display defrost
probe temp.
-
more than 3 s: start/stop defrost Pressed
together
start
parameter
reset pro-
cedure
For 1 s: display
firmware vers.
code
1 s: display/set the set point
More than 3 s: access
parameter setting menu(enter pass-
word ‘22’)
-
Table.2