Carel EASY FREEZE Quick Start Manual

+050004122 - rel. 1.0 - 19.10.2009
EASY FREEZE
(PZD0C0P001)
Description
PJEZ* represent a range of electronic microprocessor controllers with LED display develo-
ped for the management of refrigerating units, display cabinets and showcases.
Technical specifi cations
• Electronic controllers for low temperature ventilated refrigeration units
• Power supply 230Vac
• Ambient probe NTC
• Compressor relay 16A
• Defrost relay 8A
• Evaporator fan relay 8A
Dimensions (mm)
74
81
71x29
Panel mounting
Front (with 2 screws ø 2,5x12 mm)
1
Pozidriv type
Do not tighten
excessively
max 2,5
Rear (with 2 quick-fi t side brackets)
2
1
serial conv. IROPZ485S0
prog. key IROPZKEY* or PSOPZKEY*
Electrical connections
:
electronic controllers for low temperature ventilated refrigeration units
READ CAREFULLY IN THE TEXT!
10
58
3
65,29
2 3
Display and functions
During normal operation, the controller displays the temperature read by probe 1. In addi-
tion, the display has LEDs that indicate the activation of the control functions (see Table 1),
NO POWER while the 3 buttons can be used to activate/deactivate some of the functions (see Table 2).
& SIGNAL
CABLES
TOGETHER
LEDs and associated functions
icon function
compressor
fan
defrost
alarm
Table of functions activated by the buttons
button
pressing the button alone
up more than 3 s:
ON/OFF toggle ON/OFF
down more than 3 s:
defrost start/stop defrost
set mute - 1 s.: display/set the setpoint
- more than 3 s: access
parameter setting menu
(enter password '22')
- mute audible alarm
(buzzer)
Fig.1
Setting the setpoint (desired temperature)
Step Action
1 Keep SET button pres-
sed for 2 s
2 Press UP or DOWN
buttons
3 Press SET button
Accessing and setting the parameters
Fig.2
Step Action
1 Keep SET button pres-
sed for 3 s
2 Press SET button again Display will visualize "0" blinking
3 Press UP or DOWN
button
4 Press SET button
Fig.3
5 Press UP or DOWN
button
6 Press SET button
7 Press UP or DOWN
button
8 Press SET button
9 Repeat steps 5, 6, 7
and 8 for all desired
parameters
10 Keep SET button
pressed for 5 s
normal operation
ON OFF
on off request
on off request
on off request
all no alarm -
normal operation
pressed together
Pressed together start/
stop
continuous cycle
-
Effect
After 1 sec currently setpoint value will
fl ash on display
Setpoint value will chang
Controller will visualize temperature
read by probes again
Effect
After 3 sec display will visualize "PS"
Visualized value on display will change Insert password "22"
After 5 sec the fi rst parameter, "/5",
will be visualized on display
Parameter list will be scrolled on
display (refer to Table of parameters)
Display will visualize value of the
selected parameter
Parameter value visualized on display
will change
Display will visualize parameter name
again
Controller will visualize temperature
read by probes again
start up
blink
ON
ON
ON
ON
Tab. 1
start up
-
for 1 s display
fi rmware vers. code
for 1 s RESET
current
EZY set
Tab. 2
Meaning
It's regulation setpoint
currently active
Set desired value
Setpoint is modifi ed and
saved
Meaning
Password is requested
It's the name of the fi rst
parameter
Select desired parameter
It's the currently parameter
value
Set desired value
Attention: parameters
updating is not yet active
Attention: now parameters
updating will be active