PVR SZ-7502 User manual

SZ-7502
Operating Manual
Digital Temperature Indicator
SZ-7502 is a digital temperature indicator. Specially designed for Visi cooler,
Pastry cabinet & Cold room etc. This indicator can be used for several
applications with a measuring range from -10⁰C to 100⁰C.
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.
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.
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.
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Panel Cutout
66mm
19mm
Dimension
Front View:
83mm
23.5mm
Side View:
39mm
19mm
Top View:
66mm

Technical Data
Housing
: Black ABS Plastic, Auto-extinguish.
Front Cover
: Polycarbonate Plastic.
Dimensions
: Frontal: 65 mm X 18.9 mm.
: Depth: 38 mm
Panel Cutout
: 66 X 19 mm (±1mm)
Mounting
: Panel mount.
Protection
: IP65 Frontal
Connections
: For Power Supply
1 Way, ST/A (Male) 2No’s.
Display
: 3 X 10.16 mm 7 Segment CA Red Display
Power Input
: 9 to 16 VAC/DC
(230 VAC External Transformer)
Current Consumption
of Circuit
: 31 mA.
Rated Current
: 42 mA.
Operating Temp.
: 0⁰C to 60⁰C (non-condensing)
Operating Humidity
: 20% to 85% (non-condensing)
Storage Temp.
: -25⁰C to 60⁰C (non-condensing)
Storage Humidity
: 20% to 85% (non-condensing)
Measuring Range
: -10⁰C to 100⁰C.
Input
: NTC Sensor with Plastic Tip.
Resolution
: 0.1⁰C
Accuracy
: ± 1⁰C
Connection Diagram
9to16V ~
1 2
Power :0.67VA
Operating Message
PP
Probe short circuit, circuit open or without probe, or
temperature is > 100⁰C or < -10⁰C.
Disclaimer: This manual & its content remain the sole property of 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. 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. PVR CONTROLS.,
reserves the right to make and changes or improvements without prior notice.
Warranty: This product is warranted against defects in materials and workmanship for a
period of one year from the date of purchase. During the warranty period, product
determined by us to be defective in form or function will be repaired or, at our option,
replaced at no charge. This warranty does not apply if the product has been damaged by
accident, abuse, and misuse or as a result of service or modification other than by the
company. This warranty is in lieu of any other warranty expressed or implied. In no event
shall the company be held liable for incidental or consequential damages, including lost
revenue or lost business opportunity arising from the purchase of this product.
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