Industrial Systems By Presevi Industrial Company

An ISO 9001 : 2000 Certified ESCO firm with DSIR accredited R&D

Web: www.presdevi.in

1. ABOUT US2. SERVICES WE OFFER3. R&D AND DESIGN4. MANUFACTURING SERVICES5. PRODUCTS6. BMS CONTROLLERS7. OTHER ENERGY SAVING CONTROLLERS8. SERVICING SOPHISTICATED ELECTRONIC

CIRCUITS9. WHY PRESEVI?10. CONTACT USAn ISO Certified ESCO firm with DSIR accredited

R&D Web: www.presevi.in.

» Est. 1986 with social motive in mind

» PRESEVI was coined from village preservation

» Located 8Km from Chennai metropolitan city airport

» ODM that caters to major OEMs in appliance business

» Modern production methods for better quality and cost reduction

» An excellent service after sales

» Transparency, confidentiality in discussion

3An ISO Certified ESCO firm with DSIR

accredited R&DWeb: www.presevi.in.

4An ISO Certified ESCO firm with DSIR accredited

R&D Web: www.presevi.in.

5An ISO Certified ESCO firm with DSIR accredited R&DWeb:

www.presevi.in.

Rich, cost effective and reliable design True mechatronic design that has instrumentation, embedded

controller & PC software, power electronics etc. FTA and FMECA are considered at design Availability and confidence level of controllers to OEMs

calculated. Probability of failure, downtime, higher rate of service, cost

and cost effectiveness, analyzed. Documentation practice and design for manufacturing Pilot production and rectification before final run



Practices Lean Manufacturing, MCT, CPM and Just in delivery.

Availability ,MTBF, MTTR, trend of failures analyzed.

Openness to feedback about customer complaints.

Tracking of manufWell documented production procedures.

acturing defects, its repeatability, percentage and

process correction.

“Burning-in” of specific inward components and our final outputs.

Computerized inventory and material planning

Traceability of inward components and elimination of defective vendors

Good traceability of materials and vendors.




R&DWeb: www.presevi.in.

Microcontroller based design Cool / Fan / Dry / Heat modes Low / Medium / High / Auto fan speeds Sleep mode Air swing operation Power down memory Feather touch switches Temperature display 16° to 30°C temperature setting



Simple to sophisticated controllers that control temperature / humidity / CO2 / room differential pressure etc..

Programmable on/off scheduling PC connectivity – LAN/232/USB ports Remote connectivity through GPRS

modem with SMS facility Error interlocks like HP, LP, OL etc .. Smoke – Fire error detection and

tripping



Controls up to 8 air-conditioning units Duty change over to equalize the

running time Fault detection like gas leak, over

load, HP, LP etc..and auto change over in case of fault

PC interface – Local / remote / internet (LAN/ RS232/GPRS)

Alarm generation on unit fail / high temperature / smoke – fire etc.

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An ISO Certified ESCO firm with DSIR accredited R&DWeb:

www.presevi.in.

Measuring temperature & humidity of ambient and room by calculating the enthalpy for free cooling

Emergency cooling to maintain the room temperature at ambient temperature

Local / Remote PC connectivity using LAN / RS232 / GPRS





Master – slave operation with MODBUS/BAC net protocol

Integration of 32 slaves in a network – A/C controllers / ON – OFF light/fan controllers / DG set controllers / security systems etc..

Local / Remote PC connectivity – LAN / GPRS

ON / OFF scheduling Animated PC graphical user

interface

CONFIGURATION







Monitoring and controlling of four chillers

(each chiller has three compressors), 24 AHUS (ON-OFF and Modulating type valve), and three pumps

Data logging, chart preparation and evaluation of performance, energy consumed, faults etc.

RS 485/LAN communication ports with local and remote PC connectivity

Indigenous development of both Hardware and software and hence better service support

APPLICATION

Multistoried Buildings, Computer Centers, Pharmaceutical companies



ON/OFF or PI operation IR remote operation Switch on/off the valve

automatically by sensing room occupancy

Energy saving features



BMS SYSTEM FOR ISRO, HASSAN19An ISO Certified ESCO firm with DSIR

accredited R&DWeb: www.presevi.in

Energy and fuel saving by integrating air-conditioners, lighting, DG

sets.

Networking AHUs or the Air conditioners

Process instrumentation & control

Renewable energy- Solar - photo voltaic and Thermal

Energy monitoring, logging and analysis





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Key tag operated centralized controlling to save energy and operational cost - Controls lights, fans, FCUs / Aircon in the room

Feather touch switches with LED, displays of temperature, different time zones etc..

improve aesthetics….. Multimedia hub – provides

all communication terminals from a single module


www.presevi.in.

Energy solutions

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8 channel dimmer controllers – Analog dimmer , 5 A and 16A dimmer & ON/OFF control

Auto / Manual / Self modes Selection of different

scenes via. Button panel / PC / from the dimmer itself

Real time operation Dimmers provided with

RS485 MODBUS port for multiple unit interface through PC.


www.presevi.in.

Energy Solutions







BATTERYCONTROLLER MOTOR CONTROLLE

R



Fully automatic operation. 4 digit LED-display of electrical parameters. LEAST PRIORITY phase selectivity 3 phase voltage, current and frequency

monitoring. Error sensing for HV, LV, SPP, OL etc. Safety interlocks like radiator water high

temperature, motor over speed, start failure, low oil pressure, low diesel level and low starter battery

In built battery with a backup time of 2 hours RS 485 / 232 ports for remote connectivity] Genset operation depending on the type of

failure (single phase failure, 3-phase failure) Room temperature and battery bus voltage

sensing







Service only after getting the physical concept

Return without damaging if not serviceable

Expertise in other sections of the company utilized, if necessary

Cost effective

Modification suggested if not economical/outdated



Builds reliable, cost effective and efficient energy saving control systems FTA, FMECA,MTBF, MTTR, Availability etc. are considered very much while designing Field proven raw materials, modern manufacturing methods, statistical quality control

techniques used Introduction of 3G and 6G methods in production Computerized inventory management Indigenous capability to build the required Hardware, embedded software, and GUI for the

system Flexibility for the customer to implement any required modification on the hardware and

software Strong and Confident Team

An ISO Certified ESCO firm with DSIR accredited R&D 33Web:

www.presevi.in.

PRESEVIOld No 16, KanagamPillaiyar Koil streetTaramani-P.OChennai-600 113, INDIA

Phone : +91 44-65190847 / 22542564Mobile : (0)9382150289 / 9444981802Fax : +91 44-22542562Email ID : [email protected], [email protected] Website : www.presevi.in



mailto:[email protected]

http://www.presevi.in/

An ISO Certified ESCO firm with DSIR accredited R&D35Web:

www.presevi.in.

PRESEVI INDUSTRIAL COMPANY

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Industrial Systems By Presevi Industrial Company