500L, double coil, solar water tank

Hot water tank for solar installations, equipped with two intercalated thermal exchange coils. Mounting on the floor.

Benefits:

  • High efficiency insulation (rigid polyurethane 80 mm), energy class B
  • two pockets for temperature sensors
  • complex protection against corrosion made with zirconium enamel and two magnesium anodes
  • cold water / hot water thread – 3/4 ” F
  • coil fillet – 3/4 ” F
  • domestic water re-circulation connection
  • flange type opening for cleaning or inspection
  • optionally, it can be equipped with electrical back-up heater

Equipment:

  • 8 bar safety valve, 3/4 “
  • mechanical thermometer
  • sensor shell – one piece
  • floor mounting legs – set
  • manual in Romanian

Warranty period

  • 3 years

Dimensions:

  • diameter : 800 mm
  • height : 1765 mm
  • weight : 166 kg

Technical specifications:

  • Coil heat exchange surface S1: 1.85 m2
  • Coil heat exchange surface S2: 1.15 m2
  • Coil volume S1: 12.5 l
  • Coil volume S2: 7.63 l
  • Power of coil in continuous working mode S1 *60-80/70-90oC: 55/73 kW
  • Power of coil in continuous working mode S2 *60-80/70-90oC: 35/47 kW
  • Hot water flow at ΔT 35oC (S1) *60-80/70-90oC: 1500/1795 l/h
  • Hot water flow at ΔT 35oC (S2) *60-80/70-90oC: 785/1002 l/h
  • Thermal loss ΔT 45K: 2.3 W/24h
  • Maximum working temperature: 95oC
  • Nominal pressure : 8 bar
  • Coil nominal pressure : 6 bar
  • Maximum heating time S1 *80oC – **15/60oC: 43 min
  • Maximum heating time S2 *80oC – **15/60oC: 39 min

* thermal agent inlet/outlet temperature

** 15oC – cold water temperature, 60oC – hot water temperature