Led Indications - Parker Sporlan PSK Series Manual

Refrigeration controllers
Table of Contents

Advertisement

Page 2 – Bulletin 100-50-6.2
• make sure that the supply voltage and frequency are correct for the
power supply of the controller
• always disconnect power from the controller before servicing it
• this controller is not intended to be used as a safety control device
• for repair or servicing, contact your Parker Sporlan Sales Engineer first.
2
USER INTERFACE
2.1 Turning on/off the controller
The unit is turned on when power is supplied to it, and likewise
turns off when power is removed. Through the digital input it is
also possible to turn off the controller remotely via software; in this
case the controller remains connected to the power supply and the
regulators are turned off.
2.2 The display
If the controller is turned on, during the normal operation the display
will show the quantity set for parameter P5.
2.3 Showing the temperatures read by the probes
• make sure the keyboard is not locked and no procedure is running
• press and hold
for 2 seconds: the display will show the first
available label
• press
or
to select "Pb1" (cabinet probe), "Pb2" (evaporator
probe) or "Pb3" (condenser probe)
• press
To quit the procedure:
• press
or do not operate for 60 seconds
• press
or
as long as the display shows the quantity you have
set with parameter P5 or do not operate for 60 seconds.
If the evaporator probe is not enabled (parameter P3 = 0), the label
"Pb2" will not be shown.
If the condenser probe is not enabled (parameter P4 = 0), the label
"Pb3" will not be shown.
2.4 Activating the defrost by hand
• make sure the keyboard is not locked and no procedure is running
• press and hold
for 4 seconds.
If the function of the evaporator probe is the one of defrost probe
(parameter P3 = 1) and to the defrost activation the evaporator tem-
perature is above the one you have set with parameter d2, the defrost
will not be activated.
2.5 Locking/unlocking the keyboard
To lock/unlock the keyboard:
• make sure no procedure is running
• press and hold
and
for 2 seconds: the display will show
"Loc"/"UnL" for 1 second
2.6 Silencing the alarm
• make sure no procedure is running
• press (but do not hold) any button (pressing any button without
holding it will not initiate the normal command for that button).
3
SETTINGS
3.1 Setting the working setpoint
• make sure the keyboard is not locked and no procedure is running
• press
: LED
will flash
• press
or
within 15 seconds; also look at parameters r1, r2 and r3
• press
or do not operate for 15 seconds.
You also can modify the working setpoint through parameter SP.
3.2 Setting configuration parameters
To gain access to the procedure:
• make sure no procedure is running
for 4 seconds: the display will show "PA"
• press and hold
and
• press
• press
or
within 15 seconds to set display to "-19"
• press
or do not press any other button for 15 seconds
for 4 seconds: the display will show "SP".
• press and hold
and
To select a parameter:
• press
or
To modify a parameter:
• press
• press
or
within 15 seconds
• press
or do not press any other button for 15 seconds.
To quit the procedure:
• press and hold
and
for 4 seconds or do not press any other
button for 60 seconds.
Switch off/on the power supply of the controller after the
modification of the parameters.
3.3 Restoring the default value of configuration parameters
• make sure no procedure is running
• press and hold
and
for 4 seconds: the display will show "PA"
• press
• press
or
within 15 seconds to set the display to "743"
• press
or do not press any other button for 15 seconds
• press and hold
and
for 4 seconds: the display will show "dEF"
• press
• press
or
within 15 seconds to set the display to "149"
• press
or do not press any other buttons for 15 seconds: the
display will flash "dEF" for 4 seconds, after which the controller will
quit the procedure
• switch the controller off then back on after these procedures then
confirm that the default values have been reset.
Make sure the default value of the parameters is correct, in
particular note if the probes are PTC probes.
4
SIGNALS
4.1 Signals

LED INDICATIONS

LED compressor
if lit, the compressor will be turned on
if flashing:
• the modification of the working setpoint will be running
• a compressor protection will be running (parameters C0, C1,
C2 and i7)
LED defrost
if lit, the defrost will be running
if flashing:
• the defrost will be required but a compressor protection will
be running (parameters C0, C1 and C2)

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents