1) It is an ON / OFF temperature controller with dual set points and single relay. This instrument is used to control the output relay in such a way that the relay can be switched ON with one temperature set point and switched OFF with the other temperature set point. This can reduce the switching time span of the output relay with respect to the temperature of two set points. It is used in boiler or other machines where the switching ON and OFF of the machine are related with dual temperature set points.
2) The two set points are TP1 and TP2. The set temperature of TP1 is always lower than that of TP2. That means if the value of TP1 is to be increased; the set point of TP2 has to be increased first. .When the TP1 is set on 100 degree and TP2 is on 120 degree, the temperature directly reaches 120 degree and gets cut off. When the temperature comes down, the relay will not operate until it reaches TP1, which has been set at 100 degree. Set temperature of TP1 and TP2 will be shown on main display simultaneously as per the progress of temperature
3) The main advantage of this controller is the calibration which has been done digitally through software. So there is no need to do the calibration every year and the setting cannot be altered as it is protected with password.
4) Dual display for set and current temperature, microprocessor based design, electrical noise-resistance even in a rough industrial environment and user friendly key operations are the main features of this instrument.
How to set the temperature
The temperature can be set by pressing the
SPECIFICATIONS
Input supply: 150-270 VAC.
Details of output relay: SPDT, Goodsky RWH-SH-112D, load 1Amp. /230VAC
Size of the enclosure: 96x96x85, Cut out of panel 92x92.
Temperature range: 0-300 degree.
Display: 3 digit, size 1/2 x 3/4 inch and 7 segment with red color
Temperature sensing probe: PT 100
Resolution: 1 degree
Status indication: LED for relay status.
Sensor break protection: Auto switch off on sensor break,"OPEN / SHORT" will be displayed.
WIRING DIAGRAM :
C
NO
NC
NO
NC
C
S1
S2
P
N
E
C : COMMON OF THE RELAY.
NO: NORMALLY OPEN.
NC: NORMALLY CLOSED.
S1: PT100 SENSOR
S2: PT100 SENSOR
P: PHASE.
N: NEUTRAL.
E: EARTH
Service & Support
We provide one year guarantee for all our electronics instruments against any manufacturing defect but the same will not be covered in case of mishandling by someone or any problem arisen due to fire, water, electric short circuit or any other natural calamity.
Our engineer attends the complaints in Mumbai and the surrounding areas at site. But for any complaints from other parts of the country, the instrument has to be sent to our Mumbai office for repairing. After rectifying the problem the same will be returned through a fastest courier to the customer's destination.
Regarding any complaints customers can contact us during the normal business hours 10AM-6PM) , from Monday to Saturday on any number mentioned in "Contact us". Complaints can also be registered through an email at support@apuenterprises.com
