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SZ-7512-P
OPERATING
INSTRUCTIONS
4
To set other
parameters.
Display will show ‘P5’ & flash
to go other parameters, use
UP / DOWN keys.
Press and
DOWN(prg)
key for
2 seconds.
hold
prg
Introduction:
SZ-7512-P(Antifreeze thermostat)
Operating Instructions
The SZ-7512-P is a digital antifreeze thermostat with manual reset
O
facility and alarm (Buzzer) facility, this has a fixed differential of 2 C
The SZ-7512-P can be used as a direct replacement to the
following mechanical antifreeze thermostats :-
(a) Honeywell T675-B, (b) Danfoss-KP61, (c) Ranco-6953,
(d) Johnson A19ACA-15C,(e) White Rodgers 16A60-9.
The alarm is automatically set equal to the set point and can be
muted with the ‘RST’ key.
The controller functions similar to the above mentioned
mechanical thermostats i.e. relay will go off when the set point is
achieved and the same can be restarted only if the differential is
reached and the ‘RST’ key is pressed.
1
INDEX
2
Para. Page
Description
P5
LP
AL
FS
EP
3
4
5
6
7
8
9
10
12
13-14
To set the Set Point of the controller.
How to set other parameters.
Probe calibration.
Keypad lock.
Alarm - to activate buzzer.
Restore factory defaults.
End Programming & keypad functions.
Operating messages.
Wiring Diagram.
Panel cutout & dimensions.
3
Function: T
point of the controller.
o set the cut out
Display will change to set range
flash. The set point range can now
be changed by using the
UP/DOWN keys. After setting the
desired range, press the SET key
and you will see“_ _ _" which
confirms that the set point has
been stored in memory.
Set point
Press and
the SET
key for
2 seconds.
hold
-50
O
C
50
O
C
3
O
C
Min
Max
Fac.
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INDIA