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Instructions : SZ 7516-P
GENERAL DESCRIPTION
The Sub-Zero Series 7516-P are aesthetically superior
versions of their predecessors. The SZ 7516-P is a single set
point controller with buzzer. They are specifically designed for
blood bank applications wherein the compressor cuts off at set
point and is restarted at a temperature of set point plus
differential, also if the power fails the controller indicates blood
bank temperature for monitoring purpose.
Additionally these controllers offer several protection
features that are easily understood by the examples in the
instructions below. The controller can be used for heating
applications, when the P1 parameter is set to "1".
A number of parameters are displayed alphanumerically to set
up the instrument for each specific application.
The SZ-7516-P controller can be used for several applications
O
with a measuring range from -50 C to 99 C.
1
Function: To set the cut out
Set point
point of the controller.
Press and hold
Display will change to set value.
the SET
The set point value can now be
key for
changed by using the UP/DOWN
2 Seconds.
key. After setting the desired
value, press the set key and you
will see "- - -" which confirms that
SET
the set point has been stored in
memory.
Min
Max
Fac.
O
P3
P2
0 C
3
O
OPERATING
INSTRUCTIONS
SZ-7516-P
INDEX
Para. Page
Description
3
To set the SET Point of the controller.
4
How to set other parameters.
5
To set Heating or Cooling function.
P1
P2
6
Max High Temp limit & alarm.
P3
7
Min Low Temp limit & alarm.
P4
8
To set Differential (Hysterisis).
9
P5
Probe calibration.
10
Time Delay (relay restart after cutoff).
P6
11
Keypad lock.
LP
12
Alarm-to activate & reset buzzer.
AL
E1
13
Relay status on probe failure.
14
Restore factory defaults.
FS
15
End Programming.
EP
16
Operating messages.
17
Technical Data.
18
Suggested Wiring diagram.
Panel cutout & dimensions.
19
2
To set other
Parameters
Press & hold
Display will show P1 & flash.
the DOWN(prg)
To go to other parameters,
key for
use UP/DOWN keys.
2 seconds.
prg
4
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Summary of Contents for Sub-Zero SZ-7516-P
- Page 1 A number of parameters are displayed alphanumerically to set Restore factory defaults. up the instrument for each specific application. End Programming. The SZ-7516-P controller can be used for several applications Operating messages. with a measuring range from -50 C to 99 C. Technical Data.
- Page 2 P1 Parameter Function: To set controller for heating P2 Parameter Function: To set maximum allowable or cooling. high temperature limit. To change Use UP/DOWN keys to get To change Use UP/DOWN keys to set the P1 desired value & press set the P2 desired value.
- Page 3 AL Parameter Function : To activate buzzer. LP Parameter. Function: To lock keypad. To change To change Use UP/DOWN keys to set Use the UP/DOWN keys to set the AL the LP desired value. alarm on or off. Once set to on, the parameter, buzzer will come on incase the parameter...
- Page 4 Side Lock GASKET 19mm 71mm 29mm CONTROLLER SZ-7516-P Installation : Fixing and dimensions of panel models: CAUTION To fix the unit, slide the fastener 1 through the guides 2 WIRING: The probe and its corresponding wires should never as per the position shown in the figure. Move the fastener in be installed in a conduit next to control or power supply lines.
- Page 5 Disclaimer: This manual & its contents remain the sole property of OUR OTHER PRODUCTS PVR CONTROLS, India and shall not be reproduced or distributed without authorization. Although great care has been taken in the preparation of this document, the company or its vendors in no event will be liable for direct, indirect, special, incidental or consequential damage arising out of the use or inability to use the product or documentation, even if advised of the possibility of such damages.
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