FLAMEPROOF AUTO - MANUAL LEVEL CONTROLLER (Suitable for TOP MOUNTED LEVEL SWITCHES / CABLE FLOAT SWITCHES WITH DRY RUN FACILITY FOR PUMPS)

Our Company is actively engaged in presenting a broad spectrum of AUTO /

MANUAL Flame Proof Level Controllers suitable for TOP Mounted Level

switch. These are designed by making use of Top Quality Material of reputed brands

of Electrical & Electronics Components with latest & inventive techniques as well as

thoroughly inspection done by our people with latest ones.

Power Supply : 230VAC.

Indications : HIGH & LOW, AUTO & MANUAL, PUMP ON

and DRY RUN for Pump Safety.

Push buttons : Provided for AUTO & MANUAL as well as

to START & STOP for Pump in Manual

Level Switch contacts : 6VDC

Safety at environment : In AUTO mode, whenever PUMP STARTS at LOW Level thru Level Switch contact,

but, media / application is not comes to the tank due to reasons like solenoid valve is

not OPEN / float leakage etc…on that case, provide one additional relay for

hooter along with DRY RUN indication. This relay may activate according to IC

Programmable timer.

Anyone can RESET by changing to AUTO to Manual mode and to OFF the PUMP.

Entire Controlling System is to be come for normal mode.

The above logical operated controller may come in MS POWDER COATED PANEL.

NOTE : Mainly using at this type of controlling system nearer at Solvent

applications / hazardous areas.

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Quality improvement comes via simplification of design, manufacturing with safety features… layouts, processes and procedures

Flame Proof Auto / Manual Controller Operational Manual :

Controller having indications of AUTO & MANUAL , HIGH & LOW, DRYRUN & PUMP

ON. Latching contact between two levels ie. .

High Level – PUMP / Solenoid Valve OFF

Low Level - PUMP / Solenoid Valve ON

Might to give input voltage supply of 230VAC. For Auto & Manual, provided separate

push buttons for selecting the mode.

If you press AUTO pushbutton, AUTO indication glows as well as High & Low

indications as per the signal of the level switch,. ie. If Low Signal, LOW indication and

also PUMP ON indication is also glow with green. If High level signal, HIGH indication

and well as PUMP indication may turn OFF.

If you press MANUAL pushbutton, you can START & STOP the PUMP manual only i.e.,

thru START & STOP push buttons.

In AUTO mode, if PUMP START i.e., relay (NC-C), but, media is not comes into the tank,

on that case float position is LOW . If stays 5 minutes, provided one relay (NC-C-NO)

for activate to connect HOOTER for operator alert as well as provided DRY RUN

indication for the same.

If you connect the relay ( NC-C-NO) to your annunciator / any hooter, operator may

activate and by changing from AUTO to MANUAL mode, entire system is reset and can

operate the PUMP manual mode by time being.

Level switch input Voltage goes to 6VDC ensures operational environment safety and

other relays are potential free contacts (5Amps / 230vAC, relay output ( NC-C-NO) for

PUMP (or) Solenoid Valve START / OPEN at Low Level & PUMP (or) Solenoid Valve

close at High Level.

Note : If any power failure occurs, and float is middle level and mode is in AUTO, the

Systems remains in AUTO mode only after power comes. If you select Manual mode

and Power failure occurs, the systems remains manual mode only after power

comes.

Contact:

INSTRUMENTS (Process Automation & Control Solutions - Mechanical & Instruments Supplier)

H #. 1-10-28/30/1, Opp. MRR High School, Main Road, Kushaiguda - Cherlapally Road, Nagarjuna Nagar, Kushaiguda, ECIL Post, Hyderabad-62, TS.

@: hemainstruments@gmail.com ; sales@hemainstruments.com www.hemainstruments.com

M: +91 98486 49035 | +91 81218 89111