9
12
+
-
BUZZER
To SZ-B75
(10Vdc, 10mA max)
Low T
empT
rip Lamp
or Other Load (5A
max)
Compressor or
Contactor
or Heater
8(3)A max)
Caution : Wiring Shown for 230Vac Loads Only.
12
11
15
16
Installation :
Fixing and dimensions of panel models:
To fix the unit, slide the fastener 1 through the guides 2
as per the position shown in the figure. Move the fastener in
the direction of the arrow, pressing tab 3 it permits to move
the fastener in the opposite direction of the arrow. Once the
controller has been connected, they should be covered with
the lid 4 Silicon sealant should be applied along the
perimeter of the panel cut out or a rubber ‘O’ ring supplied
before the unit is fitted to obtain IP65 grade.
Alarm (Buzzer) :
Only use SZ-B75 buzzer with SZ-
7512-P series controller. Use of any other type of result
in permanent damage to the controller and may cause
personal injury.
Controller
:Controller should be installed in a place
protected by vibration, water and corrosive gasses and
where ambient temperature does not exceed the
values specified in the technical data.
Probe :
To give a correct reading, the probe must be
installed in a place protected from thermal influences,
which may affect the temperature to be controlled.
CAUTION
WIRING:
The probe and its corresponding wires should
never
be installed in a conduit next to control or power
supply lines.
The electrical wiring should be done as shown in the diagram.
The power supply circuit should be connected to a protection
switch. The terminals admit wires of upto 2.5sq mm.
WARNING:
Improper wiring may cause irreparable damage
and personal injury. Kindly ensure that wiring
is done by qualified personnel only.
Maintenance:
Cleaning: Clean the surface of the controller
with a soft moist cloth. Do not use abrasive detergents, petrol,
alcohol or solvents.
Notice:
The information in this document is
subject
to change
in order to improve reliability , design or function without prior
notice and does not represent
a commitment on the part of the
company. In no
event will the company 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. No part of this
manual may be reproduced or transmitted in any form or by any
means without the prior written permission of the company.
GASKET
13
GASKET
PANEL
Side Lock
CONTROLLER
14
SZ-7512-P
prg
SET
O
C
RST
3
1
4
2
34.5mm
71mm
19mm
10mm
MAX
71mm
29mm
Panel cutout
PANEL
Suggested Wiring Diagram
PROBE
230V
NC
C
NO
RELAY
11
10
Technical data :
≤
Display
:
14.2 mm (0.56") LED.
Data storage
:
Non-volatile EEPROM memory
Power input
:
/-10%, 50Hz/60Hz. Others on
request.
O
O
Operating temp.
:
5 C to 50 C(non-condensing).
O
O
Storage temp
:
-20 C to 70 C(non-condensing).
Output
:
1 SPDT relay 8(3)A, 250Vac
Input
:
NTC probe, SZ-N75
O
O
Range
:
-50 C to 50 C
O
Resolution
:
1 C
O
Accuracy
:
+/-1 C
O
O
Probe tolerance at 25 C :
+/-0.3 C
Alarm (buzzer) :
SZ-B75, 10Vdc, 10mA
Housing
:
Black ABS plastic
.
Front cover
:
Polycarbonate plastic
.
Dimensions
:
Front - 75 x 34.5 mm,
Depth 71 mm (w/o back lid).
Panel Cutout
:
29mm x 71mm
Mounting
:
Flush panel mounting with fasteners.
Protection
:
Front panel is water proof & IP 65 rated .
Connections
:
Screw terminal blocks
.
2.5
sq
.
mm
wire terminal only
