EASY COOL
(PZD*S*P***)
:
electronic controllers for normal temperature static refrigeration units
+050004121 - rel. 1.1 - 28.07.2011
NO POWER
& SIGNAL
CABLES
TOGETHER
READ CAREFULLY IN THE TEXT!
Description
PJEZ* represents a range of electronic microprocessor controllers with LED display developed for the manage-
ment of refrigerating units, display cabinets and showcases; are designed for the management of static refrigera-
ting units (no fan on the evaporator) operating at temperatures above 0°C.
Technical specifi cations
• Electronic controllers for normal temperature static refrigeration units
• Power supply 115Vac or 230Vac
• Ambient probe NTC
• Compressor relay 16A
Display and functions
During normal operation, the controller displays the value of the temperature read by probe. In addition, the
display has LED that indicate the activation of the control functions (see Tab. 1), while the 3 buttons can be used
to activate/deactivate some of the functions (see Tab. 2).
Compressor LED signals
icon
function
normal operation
start up
ON
OFF
blink
compressor status on
off
ON request in
progress
ON
Tab. 1
Table of functions activated by the buttons
button
normal operation
start up
pressing the button alone
pressed together
up
ON/OFF
more than 3 s:
toggle ON/OFF
Pressed together start/
stop
continuous cycle
-
down
defrost
more than 3 s:
start/stop defrost
for 1 s display fi rmware
vers. code
set mute
- 1 s.: display/set the set point
- more than 3 s: access
parameter setting menu
(enter password ‘22’)
-
for 1 s RESET current
EY set
Tab. 2
Setting the setpoint (desired temperature)
Step Action
Effect
Meaning
1
Keep
SET
button pressed
for 2 s
After 1 sec currently
setpoint
value will
fl ash on display
It’s regulation
setpoint
currently active
2
Press
UP
or
DOWN
buttons
Setpoint value will chang
Set desired value
3
Press
SET
button
Controller will visualize temperature read
by probes again
setpoint
is modifi ed and
saved
Tab. 3
Accessing and setting the parameters
Step Action
Effect
Meaning
1
Keep
SET
button
pressed for 3 s
After 3 s display will visualize “
PS
”
Password is requested
2
Press
SET
button again
Display will visualize “
0
” blinking
3
Press
UP
or
DOWN
button
Visualized value on display will change
Insert password “
22
”
4
Press
SET
button
After 5 s the fi rst parameter, “
/5
”, will be
visualized on display
It’s the name of the fi rst
parameter
5
Press
UP
or
DOWN
button
Parameter list will be scrolled on display
(refer to Table of parameters)
Select desired parameter
6
Press
SET
button
Display will visualize value of the selec-
ted parameter
It’s the currently parameter
value
7
Press
UP
or
DOWN
button
Parameter value visualized on display
will change
Set desired value
8
Press
SET
button
Display will visualize parameter
name
again
Attention
: parameters
updating is not yet active
9
Repeat steps
5
,
6
,
7
and
8
for
all desired parameters
10
Keep
SET
button
pressed for 5 s
Controller will visualize temperature
read by probes again
Attention
: now parameters
updating will be active
Tab. 4
Dimensions (mm)
38,29
31
28.5
10
3
71x29
36
81
74
33
PZD0SNP0E1
PZD4S0P001
PZD4S0P101
10
3
58
65,29
28.5
Panel mounting
max 2,5
1
2
3
Pozidriv type
Do not tighten
excessively
Front (with 2 screws ø 2,5x12 mm)
Rear (with 2 quick-fi t side brackets)
If necessary, remove the covers to simplify wiring
1
2
PUSH
PZD0SNP0E1
Fig.4
1
2
PUSH
PZD4S0P001, PZD4S0P101
Fig. 3
Electrical connections
230 Vac
3 4 5
6 7
9 10 11
8
L
L
N
115V~
U
se c
opper c
onduc
tors only
Ref
. C614A215/R0
EN60730-1
12(2)A
UL 873
12A 5FLA 30LRA
AMB
. T
.
NTC
PROBES
SERIAL
CONV
PROG.
KEY
-10T50
DI / NT
C
250 Vac
3 4 5
6 7
9 10 11
8
L
L
N
230V~
U
se c
opper c
onduc
tors only
Ref
. C614A198/R0
EN60730-1
12(2)A
UL 873
12A 5FLA 30LRA
AMB
. T
.
NTC
PROBES
SERIAL
CONV
PROG.
KEY
-10T50
250 Vac
Fig.1
Fig.2
Fig.5
PZD0SNP0E1
PZD4S0P101
PZD4S0P001