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Mandela Day 2011 Mandela Day 2011 Sunhot Solar teamed up with the Emergency Medical Services of Worcester on Mandela day to give back to community. Read more
Beaufort-West water drive. Beaufort-West water drive. As most of you know, Beaufort-West is experiencing it's worst draught in a 100 years and the dam supplying the town with clean drinking water is completly empty. People passing thr... Read more
Survival of the Smartest Survival of the...smartest.   The increase in the price of electrical energy will affect commercial and private consumers across the country and it is sure to influence our spendi... Read more
Span die son in! Span die son in! Terwyl honderde miljoene regoor die wêreld eerskomende Saterdag ter ondersteuning van Earth Hour in donkerte gehul sal wees, gaan ’n huis op Worcester soos ’n helder lig skyn – óók... Read more
ESKOM Solar Rebate Buy a Solar Heating System and get money back. Sunhot Solar is an accredited supplier on the Eskom solar rebate programme which entitles our customers to claim a rebate from ESKOM.... Read more
Football for hope Football for hope We are Proud to heat Khayelitsha Football For Hope's water FREE FROM THE SUN !! Read more
Hybrid Living Hybrid Living We have just finished the final stage of our generation plan and are proud to announce that we are now generating our own electricity by means of wind and solar energy. Read more
We now offer a 10 year warranty
22 Years experience in the South African solar market
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Contact Details
Address:
Devilliers street 11
Langerug
Worcester
Western Cape
6850
South Africa

Telephone: +27 23 342 4020
Fax: +27 023 347 3359
Mobile: +27 082 447 5896

Information: Email:
fazli@sunhotsolar.co.za

Office Hours:
Mon - Fri : 08h00 - 17h00

 
The Steca TR0704 PDF Print E-mail

The Steca TR0704The Steca TR 0704 system controller is a universal controller for solar energy and heating systems. In addition to a selection of pre-programmed basic systems, freely programmable individual system configurations can also be realised.

The standard Steca TR 0704 has three calorimeters and one hours-of-operation logger for each of the four controller outputs.

 

A special feature is the ability to not only display the current values of temperature, irradiation and energy volumes, but also to display the accumulated values over several days in the form of a graphical curve via a graphical LCD display.

 

The modular construction of the Steca TR 0704 system controller allows the control system to be expanded with up to four extra Steca TA 0403 I/O modules. Every extra I/O module has its own microprocessor with four temperature recording inputs and three switching outputs, some of which can be speed controlled. This means that the controller can be expanded at any time to a maximum of 23 inputs and 16 outputs. The basic version of the Steca TR 0704 system controller has seven inputs for recording temperature, irradiation or flow rate and four outputs for controlling circulation pumps or switching valves. Communication with external peripherals is provided by an IS bus, an alarm output and an RS232 interface.

Product features

  • Electronic speed control
  • High level of operational safety through fault diagnosis
  • Hours-of-operation logger
  • Storage tank target temperature loading
  • Remote data transfer and remote parameter setting
  • Modular extension with I/O module is possible
  • Spring clamp terminals allow rapid and easy installation

Displays

  • Multifunction graphical LCD display
  • Animated representation of the systems and operating states

Operation

  • Single-language menu navigation, different languages available

Functions

  • Data logger integrated
  • Heat quantity (pulse generator)
  • Heating return increase
  • Reduction of stagnation phases
  • Circulation (controlled by temperature / time)
  • Back-up heating
  • Solid fuel boiler
  • Thermostat
  • Differential thermostat
  • Timer
  • Interval / tube collector
  • Anti-freeze
  • Anti-legionella cyclical storage tank heating
  • Alarm output
  • Radiation switch
  • Synchronised output
  • Two loading zones
 
Solardome SA
SESSA
Our systems are SABS approved
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Proudly manufactured in Stellenbosch, South Africa
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