Carel EASY FREEZE PZD C0 Series Manual

+050004122 - rel. 1.2 - 28.07.2011
EASY FREEZE (PZD*C0****)
Dimensions (mm)
74
81
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
Electrical connections
PZD0C0P001
PZD4C0H001
-10T50
8(4)A 10(10)A
8A 2FLA 12LRA 12A 10FLA 60LRA UL 873
1 2 3 4 5
PZD4C0H101
-10T50
8(4)A 10(10)A
8A 2FLA 12LRA 12A 10FLA 60LRA UL 873
1 2 3 4 5
:
electronic controllers for low temperature ventilated refrigeration units
READ CAREFULLY IN THE TEXT!
71x29
58
65,29
2 3
serial conv. IROPZ485S0
prog. key IROPZKEY* or
PSOPZKEY*
230 Vac
SERIAL
CONV
EN60730-1
250 Vac
PROG.
NTC
KEY
PROBES
6 7 8 9 10 11
L N
L 230V~
SERIAL
CONV
EN60730-1
250 Vac
PROG.
NTC
KEY
PROBES
6 7 8 9 10 11
L N
L 115V~
Description
NO POWER
& SIGNAL
CABLES
PJEZ* represent a range of electronic microprocessor controllers with LED display developed for the manage-
TOGETHER
ment of refrigerating units, display cabinets and showcases.
Technical specifi cations
• Electronic controllers for low temperature ventilated refrigeration units
• Power supply 115 or 230Vac
• Ambient probe NTC
• Compressor relay 16A
• Defrost relay 8A
• Evaporator fan relay 8A
Display and functions
10
3 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).
LEDs and associated functions
icon function
compressor on
fan on
defrost on
alarm all
Table of functions activated by the buttons
Fig.2
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
Fig. 3
setting menu (enter password '22')
- mute audible alarm (buzzer)
Setting the setpoint (desired temperature)
Step Action
1 Keep SET button pressed for 2 s After 1 sec currently setpoint value will
2 Press UP or DOWN buttons
3 Press SET button
Fig. 4
Accessing and setting the parameters
Step Action
1 Keep SET button pressed
for 3 s
2 Press SET button again
3 Press UP or DOWN button
4 Press SET button
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
Fig. 5
normal operation
ON OFF blink
off request
off request
off request
no alarm -
normal operation
pressed together
Pressed together start/stop
continuous cycle
-
Effect Meaning
It's regulation setpoint
fl ash on display currently active
Setpoint value will chang Set desired value
Controller will visualize temperature Setpoint is modifi ed and
read by probes again saved
Effect
After 3 sec display will visualize "PS" Password is requested
Display will visualize "0" blinking
Visualized value on display will change Insert password "22"
After 5 sec the fi rst parameter, "/5", will be It's the name of the fi rst
visualized on display parameter
Parameter list will be scrolled on display Select desired parameter
(refer to Table of parameters)
Display will visualize value of the selected It's the currently parameter
parameter value
Parameter value visualized on display will Set desired value
change
Display will visualize parameter name Attention: parameters
again updating is not yet active
Controller will visualize temperature read Attention: now parame-
by probes again ters updating will be active
start up
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
Tab. 3
Meaning
Tab. 4