For heat pumps and solar HP/SOL

Character hot water storage tanks OKC NTRR/HP/SOL - 1 MPa

  • Capacities of 400–500 l
  • Working pressure in the vessel and in the heat exchanger is 1 MPa
  • With two heat exchangers, the upper large heat exchanger for connection heating sources (heat pump, low-temperature source) and bottom exchanger (eg solar)
  • Installation of TJ 6/4" electrical heating unit possible
  • Installation of TPK 150-8/2,2 kW electrical heating unit possible
  • Storage tank includes 3 sensor pockets

Floor standing indirectheating OKC NTRR/HP/SOL

Technical data

TypeOKC 400 NTRR/HP/SOLOKC 500 NTRR/HP/SOL
Volume [l] 352 469
Max. weight of the heater without water [kg] 183 233
Heater height [mm] 1 644 1 914
Heater diameter [mm] 700 700
Insulation thickness [mm] 50 50
Thermal conductivity of the insulation [W.m-1.K-1] 0,021 0,021
Max. operating temperature / overpressure in tank [°C/MPa] 80/1 80/1
Max. operating temperature / overpressure in exchanger [°C/MPa] 110/1 110/1
Heat transfer surface of the exchanger * (top/bottom) [m2] 3,1/1,4 4,8/2
Capacity of the exchanger (top/bottom) [l] 19,3/9 29,7/12,3
Power of the exchanger ČSN EN 12897 [kW] 45**/32* 50**/58*
Heating time by the exchanger from 10 °C to 60 °C * [min] 32/22 26/27
Energy efficiency class C C
Static loss [W] 90 105

* measured with heating water 80 °C

** measured with heating water 55 °C

 

Photogalery

OKC 400 NTRR/HP/SOL
OKC 500 NTRR/HP/SOL

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