Stratified Layering Module SLM 120-S / SLM 200-S

Stratified Layering Module SLM 120-S / SLM 200-S

Function:

The SOLFEX Stratified Layering Module connects large scale thermal solar collector installations to large scale buffer tanks. Solar heat is transferred with highly efficient heat exchangers into the buffer system. An intelligent control system takes care of the optimal cooperation of solar and charge pump and ensures high heat transfer rates. On the buffer side the SLM-S units charges the corresponding temperature zone of the buffer tank RPM-regulated and temperature-dependent.

The SOLFEX Stratified Layering Module SLM120-S and SLM200-S allow a temperature dependent charging of the buffer tank. The solar stratified layer method is energyefficient, RPM-regulated and dimensioned for large scale buffer tanks. 

Advantages
Efficiency:
  • highest efficiency due to large dimensioned heat exchangers and RPM regulated charge pump
  • optimized solar gains by the use of intelligent electronic control
Comfort:
  • digital system status display
  • maintenance-free
  • easy installation and control
  • no water parts
  • rugged industrial design
Technology:
  • stratified layering for large scale systems
  • heat exchanger bypass on the solar side prevents damages due to freezing
  • integrated preventer
  • additional controller outlets
  • data reading connection for statistical use
  • monitoring via modem possible
 
Possible use:
  • housing areas
  • hotels
  • campgrounds
  • sports facilities
  • hospitals
  • schools
  • swimming baths

Stratified Layering Module SLM 120-S / SLM 200-S

SeriesSLM 120-SSLM 200-S
Width 825mm 825mm
Height 1.710mm 1.710mm
Depth 415mm 415mm
Piping solar 2", coated steel 2", coated steel
Piping buffer 1½ ”, coated steel 1½ ”, coated steel
Weight 65kg 95kg
Upper buffer charger, hot 1½ ” IT 1½ ” IT
Lower buffer charger, warm 1½ ” IT 1½ ” IT
Return from buffer tank 1½ ” IT 1½ ” IT
Solar flow (from collector) 2” IT 2” IT
Solar return (to collector) 2” IT 2” IT
Expansion vessel size 1” IT 1” IT
Exhaust line safety relief valve 1¼” IT 1¼” IT
Exhaust line safety relief valve 1" flat-sealing 1" flat-sealing
Casing galvanised sheet steel incl. 20mm insulation galvanised sheet steel incl. 20mm insulation
Spread prim. / sec. (6K) 60ºC - 35ºC 29ºC - 35ºC
Flow rate prim. / sec. (6K) 0,663 / 0,575 kg/s 1,106 / 0,0958 kg/s
Pressure loss prim. / sec. (6K) 26 kPa 22 kPa
Heat exchange transfer capacity 60 kW 100 kW
Solar pump230 V / 50 Hz
Power input0,4 kW
Max. current2,02 A
Rated speed2600 RPM
Max. delivery head113 kPa
Buffer charge pump230 V/50 Hz
Power input0,177 kW
Max. current0,85 A
Rated speed2600 RPM
Max. delivery head39 kPa
Antifreeze Thermostat35ºC
Flow volume meter20-70l/min
Heat meter2,5 m³/h
Backflow preventer (flow/return)1¼”
Safety relief valve6 bar 1"
Manometer0-10 bar
3-circuit-solar controller1 outlet, incl, Sensors
Operating temperature (min. allowable)2ºC
Operating temperature (max. allowable)95ºC
Solar6 bar
Heating3 bar
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