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Dukruta

Heat store series II
Heat Store SeriesThe Solahart Heat Store Series II system is designed to generate maximum performance in most climatic conditions, in combination with our high performance Bt collector. The tank is well insulated and the copper coils inside the closed circuit water provide ample hot water under high pressure with large flows. The system can provide hot water only or hot water in combination with floor heating and/or pool heating. The intelligent controller controls all active components of the system; from the amount of solar gain and supplementry boosting to regulating floor and pool heating. Additionally the data from the controller can be logged and viewed locally or remotely.

Principles of Operation


The system is utilises a large capacity storage vessel filled with heat exchange fluid. Immersed in the fluid is a copper coil through which the potable water is circulated providing instantaneous heat.

When the unit is in standby mode the heat exchange fluid drains down from the collectors and is stored in the main storage vessel. When the controller senses a temperature differential of more than 5 degrees Celuis between the collector and the lower tank the system switches to active mode.

In active mode the system pumps the heat exchange fluid from the storage vessel into the collectors where the solar heating occurs. Once the system is completely filled the controller will adjust the speed of the pump to ensure the maximum solar gain is achieved.

The fluid level in the tank will go down depending on the collector field size. The heat exchanger coils will stay under fluid level all the time.

When the system has reached its maximum temperature, or, there is no more solar gain possible, the system switches back to standby mode, allowing the heat exchange fluid to drain back into the storage vessel.

This 'drainback process' helps prevents overheating and/or freezing of the collectors during times of inactivity.

Configuration Options

Solar System as Pre Heater to Existing Plant Solar System with Supplementry Boosting
solahart
Solar System with Supplementry Boosting and Providing Floor Heating Solar System with Supplementry Boosting Providing Pool and Floor Heating
Solahart


Specifications

    1000 DB 1500 DB 2000 DB 3500 DB 5000 DB 7000 DB
Nominal Storage
Capacity
Litres 1000 1500 2000 3500 5000 7000
Peak DHW Flow Rate L/Min 60 60 120 120 180 180
Max Working Pressure of Tank kPa 400 400 400 400 400 400
Cold Water Supply
Pressure Min/Max
kPa 140/1200 140/1200 140/1200 140/1200 140/1200 140/1200
Dry Weight Kg 525 600 680 1100 1500 1856
CW DHW Outlet mm 50 50 50 50 100 100
A mm 1100 1276 1552 1945 2155 2155
B mm 2100 2100 2100 2100 2100 2400
C mm 962 1112 1362 1656 2016 2016
D mm 1100 1100 1100 1100 1400 1400
E mm 800 800 900 1000 1400 1400
Coil Surface Area sq.m 8 8 16 20 32 32
Qty of Bt Collectors Pcs 8-12 12-16 16-24 24-36 36-60 56-96
Collector Aperture
Surface
sq.m 15.2-22.8 22.8-30.4 30.4-45.6 45.6-68.4 68.4-114 106.4-182.4
Flow Rate L/S 0.5 0.8 1.2 2 2 2
Collector Pipe Size mm 25 25 32 40 50 50


Reach Us
T : +91 80 2227 6299, 2224 1636, 2222 2749, 2227 3453
  M9880595370   F : +91 80 22234818
E-mail: info@sukrutaindia.com
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