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KORAFLEX Energy FVE

230 V AC connection

KORAFLEX Energy FVE is based on the Optimal-V range, extended by 200mm and fitted with regulation for 230 V AC connection. Energy 230 V AC trench heaters are suitable for dry environments and are solely for heating. They are characterized by silent operation and can be connected to BMS (Building Management System).

ECONOMIC version – black lacquered galvanized steel casing, non-lacquered heat exchanger
EXCLUSIVE version – black lacquered galvanized steel casing, RAL 9005 black lacquered heat exchangerheat pump

Technical data Demand
FVE Energy
  • Heating
  • Forced convection
  • Connection to 230 V AC
  • Low energy consumption
ECONOMIC version black lacquered galvanized steel casing, non-lacquered heat exchanger
EXCLUSIVE version black lacquered galvanized steel casing, RAL 9005 black lacquered heat exchanger
Depth [mm] 70, 80, 90, 110, 130 mm
Width [mm] 160, 200, 260, 320, 400 mm
Length [mm] 1 000 to 3 000 mm (by 200 mm)
Heat output [W] from 54 to 15 517 W
Max. operating pressure [MPa] 1.2 MPa
Max. operating temperature [°C] 90 °C
Connecting thread inner G 1/2"
IP rating IP 20
Cover grilles  optimal
info
Cross grille - design solutions - Cross grilles must be ordered with trench heaters, as the casing must undergo alteration.
These trench heaters will be fitted with a Cross frame suitable for a Cross grille.
Where a linear grille is required, technical consultation is necessary, as the casing may need to undergo alteration.
Linear grilles must be ordered together with trench heaters.

Heat output [W] where t1/t2/ti / EN 16430. Measurements shown in mm including U-frame.

KORAFLEX Energy FVE / Depth 70 / Width 200
Depth 70 / Width 200
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 17,4 25,4
1000 2 1 23,7 31,7
1000 3 2 32,5 40,5
1200 0 0 - -
1200 1 1 17,7 25,7
1200 2 2 24,7 32,7
1200 3 3 33,4 41,4
1400 0 0 - -
1400 1 1 18,5 26,5
1400 2 2 25,9 33,9
1400 3 3 34,3 42,3
1600 0 0 - -
1600 1 1 18,2 26,2
1600 2 2 26,1 34,1
1600 3 3 34,8 42,8
1800 0 0 - -
1800 1 1 18,4 26,4
1800 2 2 26,7 34,7
1800 3 4 35,4 43,4
2000 0 0 - -
2000 1 1 18,6 26,6
2000 2 2 26,4 34,4
2000 3 5 35,6 43,6
2200 0 0 - -
2200 1 1 18,8 26,8
2200 2 2 27,7 35,7
2200 3 5 36,3 44,3
2400 0 0 - -
2400 1 2 18,9 26,9
2400 2 3 28,1 36,1
2400 3 5 36,7 44,7
2600 0 0 - -
2600 1 2 19,0 27,0
2600 2 4 28,5 36,5
2600 3 6 37,0 45,0
2800 0 0 - -
2800 1 2 19,1 27,1
2800 2 4 28,9 36,9
2800 3 7 37,4 45,4
3000 0 0 - -
3000 1 3 18,5 26,5
3000 2 4 29,6 37,6
3000 3 8 37,8 45,8
Depth 70 / Width 260
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 17,4 25,4
1000 2 1 23,7 31,7
1000 3 2 32,5 40,5
1200 0 0 - -
1200 1 1 17,7 25,7
1200 2 2 24,7 32,7
1200 3 3 33,4 41,4
1400 0 0 - -
1400 1 1 18,5 26,5
1400 2 2 25,9 33,9
1400 3 3 34,3 42,3
1600 0 0 - -
1600 1 1 18,2 26,2
1600 2 2 26,1 34,1
1600 3 3 34,8 42,8
1800 0 0 - -
1800 1 1 18,4 26,4
1800 2 2 26,7 34,7
1800 3 4 35,4 43,4
2000 0 0 - -
2000 1 1 18,6 26,6
2000 2 2 26,4 34,4
2000 3 5 35,6 43,6
2200 0 0 - -
2200 1 1 18,8 26,8
2200 2 3 27,7 35,7
2200 3 5 36,3 44,3
2400 0 0 - -
2400 1 2 18,9 26,9
2400 2 3 28,1 36,1
2400 3 6 36,7 44,7
2600 0 0 - -
2600 1 2 19,0 27,0
2600 2 4 28,5 36,5
2600 3 6 37,0 45,0
2800 0 0 - -
2800 1 2 19,1 27,1
2800 2 4 28,9 36,9
2800 3 7 37,4 45,4
3000 0 0 - -
3000 1 2 18,5 26,5
3000 2 4 29,6 37,6
3000 3 7 37,8 45,8
Depth 70 / Width 320
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 19,1 27,1
1000 2 1 26,6 34,6
1000 3 2 28,9 36,9
1200 0 0 - -
1200 1 1 19,8 27,8
1200 2 2 27,6 35,6
1200 3 3 30,0 38,0
1400 0 0 - -
1400 1 1 20,1 28,1
1400 2 2 28,3 36,3
1400 3 3 31,0 39,0
1600 0 0 - -
1600 1 1 20,8 28,8
1600 2 2 29,0 37,0
1600 3 4 31,7 39,7
1800 0 0 - -
1800 1 1 21,2 29,2
1800 2 2 29,5 37,5
1800 3 4 32,4 40,4
2000 0 0 - -
2000 1 1 22,0 30,0
2000 2 2 30,1 38,1
2000 3 4 32,9 40,9
2200 0 0 - -
2200 1 1 21,9 29,9
2200 2 3 30,5 38,5
2200 3 6 33,5 41,5
2400 0 0 - -
2400 1 2 22,2 30,2
2400 2 4 30,9 38,9
2400 3 6 34,0 42,0
2600 0 0 - -
2600 1 2 22,4 30,4
2600 2 4 31,3 39,3
2600 3 7 34,5 42,5
2800 0 0 - -
2800 1 2 22,7 30,7
2800 2 4 31,6 39,6
2800 3 8 34,9 42,9
3000 0 0 - -
3000 1 2 22,7 30,7
3000 2 5 31,9 39,9
3000 3 9 35,3 43,3
Depth 80 / Width 160
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 17,4 25,4
1000 2 1 23,7 31,7
1000 3 2 32,5 40,5
1200 0 0 - -
1200 1 1 17,7 25,7
1200 2 2 24,7 32,7
1200 3 2 33,4 41,4
1400 0 0 - -
1400 1 1 18,5 26,5
1400 2 2 25,9 33,9
1400 3 2 34,3 42,3
1600 0 0 - -
1600 1 1 18,5 26,2
1600 2 2 26,1 34,1
1600 3 2 34,8 42,8
1800 0 0 - -
1800 1 1 18,4 26,4
1800 2 2 26,7 34,7
1800 3 3 35,4 43,4
2000 0 0 - -
2000 1 1 18,6 26,6
2000 2 2 26,4 34,4
2000 3 3 35,6 43,6
2200 0 0 - -
2200 1 1 18,8 26,8
2200 2 2 27,7 35,7
2200 3 3 36,3 44,3
2400 0 0 - -
2400 1 2 18,9 26,9
2400 2 3 28,1 36,1
2400 3 4 36,7 44,7
2600 0 0 - -
2600 1 2 19,0 27,0
2600 2 3 28,5 36,5
2600 3 5 37,0 45,0
2800 0 0 - -
2800 1 2 19,1 27,1
2800 2 3 28,9 36,9
2800 3 5 37,4 45,4
3000 0 0 - -
3000 1 2 18,5 26,5
3000 2 4 29,6 37,6
3000 3 6 37,8 45,8
Depth 90 / Width 200
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 19,1 27,1
1000 2 2 26,6 34,6
1000 3 2 28,9 36,9
1200 0 0 - -
1200 1 2 19,8 27,8
1200 2 2 27,6 35,6
1200 3 3 30,0 38,0
1400 0 0 - -
1400 1 2 20,1 28,1
1400 2 3 28,3 36,3
1400 3 4 31,0 39,0
1600 0 0 - -
1600 1 2 20,8 28,8
1600 2 3 29,0 37,0
1600 3 4 31,7 39,7
1800 0 0 - -
1800 1 2 21,2 29,2
1800 2 4 29,5 37,5
1800 3 5 32,4 40,4
2000 0 0 - -
2000 1 2 22,0 30,0
2000 2 5 30,1 38,1
2000 3 7 32,9 40,9
2200 0 0 - -
2200 1 3 21,9 29,9
2200 2 5 30,5 38,5
2200 3 7 33,5 41,5
2400 0 0 - -
2400 1 3 22,2 30,2
2400 2 5 30,9 38,9
2400 3 7 34,0 42,0
2600 0 0 - -
2600 1 3 22,4 30,4
2600 2 7 31,3 39,3
2600 3 9 34,5 42,5
2800 0 0 - -
2800 1 4 22,7 30,7
2800 2 8 31,6 39,6
2800 3 11 34,9 42,9
3000 0 0 - -
3000 1 4 22,7 30,7
3000 2 8 31,9 39,9
3000 3 11 35,3 43,3
Depth 90 / Width 260
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 19,1 27,1
1000 2 2 26,6 34,6
1000 3 2 28,9 36,9
1200 0 0 - -
1200 1 2 19,8 27,8
1200 2 2 27,6 35,6
1200 3 3 30,0 38,0
1400 0 0 - -
1400 1 2 20,1 28,1
1400 2 3 28,3 36,3
1400 3 4 31,0 39,0
1600 0 0 - -
1600 1 2 20,8 28,8
1600 2 3 29,0 37,0
1600 3 4 31,7 39,7
1800 0 0 - -
1800 1 2 21,2 29,2
1800 2 4 29,5 37,5
1800 3 5 32,4 40,4
2000 0 0 - -
2000 1 2 22,0 30,0
2000 2 5 30,1 38,1
2000 3 7 32,9 40,9
2200 0 0 - -
2200 1 3 21,9 29,9
2200 2 5 30,5 38,5
2200 3 7 33,5 41,5
2400 0 0 - -
2400 1 3 22,2 30,2
2400 2 5 30,9 38,9
2400 3 7 34,0 42,0
2600 0 0 - -
2600 1 3 22,4 30,4
2600 2 7 31,3 39,3
2600 3 9 34,5 42,5
2800 0 0 - -
2800 1 4 22,7 30,7
2800 2 8 31,6 39,6
2800 3 11 34,9 42,9
3000 0 0 - -
3000 1 4 22,7 30,7
3000 2 8 31,9 39,9
3000 3 11 35,3 43,3
Depth 90 / Width 320
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 23,2 31,2
1000 2 2 29,3 37,3
1000 3 2 32,0 40,0
1200 0 0 - -
1200 1 2 23,6 31,6
1200 2 3 30,0 38,0
1200 3 3 33,1 41,6
1400 0 0 - -
1400 1 2 24,8 32,8
1400 2 3 30,8 38,8
1400 3 4 33,1 41,1
1600 0 0 - -
1600 1 2 24,3 32,5
1600 2 3 31,5 39,5
1600 3 4 34,0 42,0
1800 0 0 - -
1800 1 2 24,5 32,5
1800 2 4 31,5 39,5
1800 3 5 34,0 42,0
2000 0 0 - -
2000 1 2 24,6 32,9
2000 2 5 31,4 39,4
2000 3 7 34,5 42,5
2200 0 0 - -
2200 1 3 24,9 32,9
2200 2 5 32,2 40,2
2200 3 7 34,7 42,7
2400 0 0 - -
2400 1 3 25,1 33,1
2400 2 5 32,4 40,4
2400 3 8 35,0 43,0
2600 0 0 - -
2600 1 3 25,3 33,3
2600 2 7 32,7 40,7
2600 3 9 35,2 43,2
2800 0 0 - -
2800 1 3 25,4 33,4
2800 2 8 33,0 41,0
2800 3 11 35,4 43,4
3000 0 0 - -
3000 1 4 24,6 32,6
3000 2 8 33,4 41,4
3000 3 11 35,6 43,6
Depth 90 / Width 400
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 21,7 29,7
1000 2 2 27,5 35,5
1000 3 2 30,2 38,2
1200 0 0 - -
1200 1 2 22,0 30,0
1200 2 3 28,2 36,2
1200 3 3 30,8 38,8
1400 0 0 - -
1400 1 2 22,3 30,3
1400 2 3 28,8 36,8
1400 3 4 31,2 39,2
1600 0 0 - -
1600 1 2 22,5 30,5
1600 3 3 29,3 37,3
1600 3 4 31,8 39,8
1800 0 0 - -
1800 1 2 22,7 30,7
1800 2 3 29,7 37,7
1800 3 4 32,2 40,2
2000 0 0 - -
2000 1 2 22,9 30,9
2000 2 5 30,0 38,0
2000 3 7 32,9 40,9
2200 0 0 - -
2200 1 3 23,0 31,0
2200 2 5 30,4 38,4
2200 3 7 32,9 40,9
2400 0 0 - -
2400 1 3 23,1 31,1
2400 2 5 30,7 38,7
2400 3 7 33,2 41,2
2600 0 0 - -
2600 1 4 23,3 31,3
2600 2 6 30,9 38,9
2600 3 8 33,4 41,4
2800 0 0 - -
2800 1 4 23,4 31,4
2800 2 8 31,2 39,2
2800 3 11 33,6 41,6
3000 0 0 - -
3000 1 4 23,5 31,5
3000 2 9 31,4 39,4
3000 3 12 33,7 41,7
Depth 110 / Width 200
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 19,1 27,1
1000 2 2 26,6 34,6
1000 3 2 28,9 36,9
1200 0 0 - -
1200 1 1 19,8 27,8
1200 2 2 27,6 35,6
1200 3 3 30,0 38,0
1400 0 0 - -
1400 1 2 20,1 28,1
1400 2 3 28,3 36,6
1400 3 4 31,0 39,0
1600 0 0 - -
1600 1 2 20,8 28,8
1600 3 3 29,0 37,0
1600 3 4 31,7 39,7
1800 0 0 - -
1800 1 2 21,2 29,2
1800 2 4 29,5 37,5
1800 3 5 32,4 40,4
2000 0 0 - -
2000 1 2 22,0 30,0
2000 2 4 30,1 38,1
2000 3 5 32,9 40,9
2200 0 0 - -
2200 1 3 21,9 29,9
2200 2 5 30,5 38,5
2200 3 6 33,5 41,5
2400 0 0 - -
2400 1 3 22,2 30,2
2400 2 5 30,9 38,9
2400 3 6 34,0 42,0
2600 0 0 - -
2600 1 3 22,4 30,4
2600 2 6 31,3 39,3
2600 3 8 34,5 42,5
2800 0 0 - -
2800 1 4 22,7 30,7
2800 2 7 31,6 39,6
2800 3 9 34,9 42,9
3000 0 0 - -
3000 1 4 22,7 30,7
3000 2 7 31,9 39,9
3000 3 9 35,3 43,3
Depth 110 / Width 260
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 19,1 27,1
1000 2 2 26,6 34,6
1000 3 2 28,9 36,9
1200 0 0 - -
1200 1 2 19,8 27,8
1200 2 3 27,6 35,6
1200 3 3 30,0 38,0
1400 0 0 - -
1400 1 2 20,1 28,1
1400 2 3 28,3 36,6
1400 3 4 31,0 39,0
1600 0 0 - -
1600 1 2 20,8 28,8
1600 3 3 29,0 37,0
1600 3 4 31,7 39,7
1800 0 0 - -
1800 1 2 21,2 29,2
1800 2 4 29,5 37,5
1800 3 6 32,4 40,4
2000 0 0 - -
2000 1 3 22,0 30,0
2000 2 6 30,1 38,1
2000 3 8 32,9 40,9
2200 0 0 - -
2200 1 3 21,9 29,9
2200 2 6 30,5 38,5
2200 3 8 33,5 41,5
2400 0 0 - -
2400 1 4 22,2 30,2
2400 2 6 30,9 38,9
2400 3 8 34,0 42,0
2600 0 0 - -
2600 1 4 22,4 30,4
2600 2 7 31,3 39,3
2600 3 9 34,5 42,5
2800 0 0 - -
2800 1 4 22,7 30,7
2800 2 9 31,6 39,6
2800 3 13 34,9 42,9
3000 0 0 - -
3000 1 4 22,7 30,7
3000 2 10 31,9 39,9
3000 3 14 35,3 43,3
Depth 110 / Width 320
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 23,2 31,2
1000 2 2 29,3 37,3
1000 3 2 32,0 40,0
1200 0 0 - -
1200 1 2 23,6 31,6
1200 2 3 30,0 38,0
1200 3 3 32,6 40,6
1400 0 0 - -
1400 1 2 20,1 28,1
1400 2 3 28,3 36,6
1400 3 4 31,0 39,0
1600 0 0 - -
1600 1 2 24,3 32,3
1600 3 3 31,1 39,1
1600 3 4 33,6 41,6
1800 0 0 - -
1800 1 2 24,5 32,5
1800 2 5 31,5 39,5
1800 3 7 34,0 42,0
2000 0 0 - -
2000 1 3 24,6 32,6
2000 2 6 31,4 39,4
2000 3 7 34,5 42,5
2200 0 0 - -
2200 1 3 24,9 32,9
2200 2 6 32,2 40,2
2200 3 7 34,7 42,7
2400 0 0 - -
2400 1 3 25,1 33,1
2400 2 6 32,4 40,4
2400 3 7 35,0 43,0
2600 0 0 - -
2600 1 4 25,3 33,3
2600 2 8 32,7 40,7
2600 3 10 35,2 43,2
2800 0 0 - -
2800 1 5 25,4 33,4
2800 2 10 33,0 41,0
2800 3 14 35,4 43,4
3000 0 0 - -
3000 1 5 24,6 32,6
3000 2 12 33,4 41,4
3000 3 16 35,6 43,6
Depth 110 / Width 400
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 23,2 31,2
1000 2 2 29,3 37,3
1000 3 2 32,0 40,0
1200 0 0 - -
1200 1 2 23,6 31,6
1200 2 3 30,0 38,0
1200 3 3 32,6 40,6
1400 0 0 - -
1400 1 2 20,1 28,1
1400 2 3 28,3 36,6
1400 3 4 31,0 39,0
1600 0 0 - -
1600 1 2 24,3 32,3
1600 3 3 31,1 39,1
1600 3 4 33,6 41,6
1800 0 0 - -
1800 1 2 24,5 32,5
1800 2 5 31,5 39,5
1800 3 7 34,0 42,0
2000 0 0 - -
2000 1 3 24,6 32,6
2000 2 6 31,4 39,4
2000 3 7 34,5 42,5
2200 0 0 - -
2200 1 3 24,9 32,9
2200 2 6 32,2 40,2
2200 3 7 34,7 42,7
2400 0 0 - -
2400 1 3 25,1 33,1
2400 2 6 32,4 40,4
2400 3 7 35,0 43,0
2600 0 0 - -
2600 1 4 25,3 33,3
2600 2 8 32,7 40,7
2600 3 10 35,2 43,2
2800 0 0 - -
2800 1 5 25,4 33,4
2800 2 10 33,0 41,0
2800 3 14 35,4 43,4
3000 0 0 - -
3000 1 5 24,6 32,6
3000 2 12 33,4 41,4
3000 3 16 35,6 43,6
Depth 130 / Width 260
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 1 19,1 27,1
1000 2 2 26,6 34,6
1000 3 2 28,9 36,9
1200 0 0 - -
1200 1 2 19,8 27,8
1200 2 3 27,6 35,6
1200 3 3 30,0 38,0
1400 0 0 - -
1400 1 2 20,1 28,1
1400 2 3 28,3 36,6
1400 3 4 31,0 39,0
1600 0 0 - -
1600 1 2 20,8 28,8
1600 3 3 29,0 37,0
1600 3 4 31,7 39,7
1800 0 0 - -
1800 1 2 21,2 29,2
1800 2 4 29,5 37,5
1800 3 6 32,4 40,4
2000 0 0 - -
2000 1 3 22,0 30,0
2000 2 6 30,1 38,1
2000 3 9 32,9 40,9
2200 0 0 - -
2200 1 3 21,9 29,9
2200 2 6 30,5 38,5
2200 3 9 33,5 41,5
2400 0 0 - -
2400 1 3 22,2 30,2
2400 2 6 30,9 38,9
2400 3 9 34,0 42,0
2600 0 0 - -
2600 1 3 22,4 30,4
2600 2 7 31,3 39,3
2600 3 9 34,5 42,5
2800 0 0 - -
2800 1 5 22,7 30,7
2800 2 11 31,6 39,6
2800 3 13 34,9 42,9
3000 0 0 - -
3000 1 5 22,7 30,7
3000 2 12 31,9 39,9
3000 3 16 35,3 43,3
Depth 130 / Width 320
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 2 23,6 31,6
1000 2 3 31,1 39,1
1000 3 5 41,3 49,3
1200 0 0 - -
1200 1 2 24,3 32,3
1200 2 4 32,3 40,3
1200 3 7 42,5 50,5
1400 0 0 - -
1400 1 2 25,0 33,0
1400 2 4 33,4 41,4
1400 3 8 43,4 51,4
1600 0 0 - -
1600 1 3 25,5 33,5
1600 3 5 34,1 42,1
1600 3 12 44,2 52,2
1800 0 0 - -
1800 1 3 26,0 34,0
1800 2 5 34,8 42,8
1800 3 14 44,9 52,9
2000 0 0 - -
2000 1 4 26,4 34,4
2000 2 8 35,1 43,1
2000 3 17 45,5 53,5
2200 0 0 - -
2200 1 4 26,8 34,8
2200 2 8 36,0 44,0
2200 3 17 46,1 54,1
2400 0 0 - -
2400 1 4 27,1 35,1
2400 2 9 36,5 44,5
2400 3 20 47,0 55,0
2600 0 0 - -
2600 1 5 27,4 35,4
2600 2 9 36,9 44,9
2600 3 22 47,0 55,0
2800 0 0 - -
2800 1 5 27,7 35,7
2800 2 10 37,4 45,4
2800 3 23 47,4 55,4
3000 0 0 - -
3000 1 5 28,0 36,0
3000 2 10 37,9 45,9
3000 3 28 47,8 55,8
Depth 130 / Width 400
Length Speed level Heat output Electrical input / 24 V DC Acoustic pressure [dB(A)] Acoustic performance [dB(A)]
1000 0 0 - -
1000 1 2 23,6 31,6
1000 2 3 31,1 39,1
1000 3 5 41,3 49,3
1200 0 0 - -
1200 1 2 24,3 32,3
1200 2 4 32,3 40,3
1200 3 7 42,5 50,5
1400 0 0 - -
1400 1 2 25,0 33,0
1400 2 4 33,4 41,4
1400 3 8 43,4 51,4
1600 0 0 - -
1600 1 3 25,5 33,5
1600 3 5 34,1 42,1
1600 3 12 44,2 52,2
1800 0 0 - -
1800 1 3 26,0 34,0
1800 2 5 34,8 42,8
1800 3 14 44,9 52,9
2000 0 0 - -
2000 1 4 26,4 34,4
2000 2 8 35,1 43,1
2000 3 17 45,5 53,5
2200 0 0 - -
2200 1 4 26,8 34,8
2200 2 8 36,0 44,0
2200 3 17 46,1 54,1
2400 0 0 - -
2400 1 4 27,1 35,1
2400 2 9 36,5 44,5
2400 3 20 47,0 55,0
2600 0 0 - -
2600 1 5 27,4 35,4
2600 2 9 36,9 44,9
2600 3 22 47,0 55,0
2800 0 0 - -
2800 1 5 27,7 35,7
2800 2 10 37,4 45,4
2800 3 23 47,4 55,4
3000 0 0 - -
3000 1 5 28,0 36,0
3000 2 10 37,9 45,9
3000 3 28 47,8 55,8
Standard contents
  • RAL 9005 black lacquered galvanized steel casing
  • Economic – non-lacquered Al/Cu heat exchanger with bleed valve
  • Exclusive – RAL 9005 black lacquered Al/Cu heat exchanger with bleed valve
  • aluminium U-frame silver elox
  • metal cover plates
  • set of low-energy EC fans 24 V DC
  • 230 V AC terminal block and 24 V DC regulator (FCR BOX)
  • power supply 230 V AC/24 V DC
  • levelling set screws and 4 anchors
  • spacers for correct installation and concreting
  • hardboard cover to protect trench heaters from contamination
  • durable packaging, installation instructions
HPS
Optional eccessories
  • choice of grilles
  • Cross grille – design solutions – necessary to order together with trench heater
  • light/dark bronze and black elox or RAL colour chart lacquered aluminium U-frame
  • silver, light/dark bronze and black elox or RAL colour chart lacquered aluminium F-frame
  • 24 V DC thermostat for regulation
  • 24 V DC thermostatic actuator
  • external room sensor
  • sound insulation sheet
  • raised floor structural supports
  • lockshield, thermostatic valve
  • ½"×½" 90° brass elbow for connection facilitation
  •  flexible stainless steel hose
  • ​strengthened OSB cover for installation purposes
TRENCH HEATER COMPONENTS

FV složení konvektoru

 

   1RAL 9005 black lacquered galvanized steel casing
  2choice of grille
  3choice of frame
  4Al/Cu heat exchanger
  5anchors
  6levelling set screws
  7metal cover plates
  8spacer for correct installation and concreting

 

 

 

 

 

Specially adapted space in the trench heater casing. 200 mm longer than the Optimal-V model, fitted with 230 V DC regulation.

FVE složení

1 cable bushing
2metal cover plate
3 earth
4 EC fan
5 Al/Cu otopný výměník

RE Regulation
6 230 V AC/24 V DC power supply
7 FCR BOX regulator
8 terminal block

 

 
Suitable grilles
Roll-up aluminium silver
fk_mrizka_AL_stribrna
Linear aluminium silver 
fk_mrizka_AL_stříbrná_podélná
Roll-up aluminium dark bronze
fk_mrizka_AL_tmavý bronz
Linear aluminium dark bronze
fk_mrizka_AL_tmavý bronz_podélná
Roll-up aluminium light bronze
fk_mrizka_AL_světlý bronz
Linear aluminium light bronze
fk_mrizka_AL_světlý_bronz_podélná
Roll-up aluminium black elox - NEWS
Koraflex-PM-pricna-matny-cerny-elox
Linear aluminium black elox - NEWS
Koraflex-PM-podelna-matny-cerny-elox
Roll-up steel
fk_mrizka_podelna_ocel
Linear steel
PM_mrizka_podélná_ocel_1
Roll-up stainless steel
fk_mrizka_podelna_nerez_ral
Linear stainless steel
PM_mrizka_podélná_nerez_1
Roll-up natural / lacquer beech 
fk_mrizka_drevo_buk
Roll-up natural / lacquer oak
fk_mrizka_drevo_dub
Roll-up natural / lacquer mahogany
(upon request)
fk_mrizka_drevo_mahagon
Cross (upon request)
Cross_2
FRAMES 
U-frame F-frame Cross frame - Lowered
casing edge
U-rameček F-rameček Cross-rámeček

Decorative U-shaped and F-shaped frames are available as standard in aluminium with silver, black, dark bronze or light bronze elox finishes. U-frame and Cross framesinfo are available also in black elox. Frames may also be lacquered (powder coated) using colours from the RAL colour chart. Frames are in every case supplied as a component of trench heaters, and the type required must be specified when ordering in the Order Code. 

KORAFLEX Energy  FVE   -   PRODUCT RANGE


EN_FV_Optimal

DEPTH 70mm/WIDTH 200mm
FV - h70,s200 - rozmery - 1 FV - h70,s200 - rozmery - 2 FV - h70,s200 - rozmery - 3 připojení 70_200
DEPTH 70mm/WIDTH 260mm
FV - h70,s260 - rozmery - 1 FV - h70,s260 - rozmery - 2 FV - h70,s260 - rozmery - 3 připojení 70_260
DEPTH 70mm/WIDTH 320mm
FV - h70,s320 - rozmery - 1 FV - h70,s320 - rozmery - 2 FV - h70,s320 - rozmery - 3 připojení 70_320
DEPTH 80mm/WIDTH 160mm
FV - h80,s160 - rozmery - 1 FV - h80,s160 - rozmery - 2 FV - h80,s160 - rozmery - 3 připojení 80_160
DEPTH 90mm/WIDTH 200mm
FV - h90,s200 - rozmery - 1 FV - h90,s200 - rozmery - 2 FV - h90,s200 - rozmery - 3 připojení 90_200
DEPTH 90mm/WIDTH 260mm
FV - h90,s260 - rozmery - 1 FV - h90,s260 - rozmery - 2 FV - h90,s260 - rozmery - 3 připojení 90_260
DEPTH 90mm/WIDTH 320mm
FV - h90,s320 - rozmery - 1 FV - h90,s320 - rozmery - 2 FV - h90,s320 - rozmery - 3 připojení 90_320
DEPTH 90mm/WIDTH 400mm
FV - h90,s400 - rozmery - 1 FV - h90,s400 - rozmery - 2 FV - h90,s400 - rozmery - 3 připojení 90_400    
DEPTH 110mm/WIDTH 200mm
FV - h110,s200 - rozmery - 1 FV - h110,s200 - rozmery - 2 FV - h110,s200 - rozmery - 3 připojení 110_200      
DEPTH 110mm/WIDTH 260mm
FV - h110,s260 - rozmery - 1 FV - h110,s260 - rozmery - 2 FV - h110,s260 - rozmery - 3 připojení 110_260
DEPTH 110mm/WIDTH 320mm
FV - h110,s320 - rozmery - 1 FV - h110,s320 - rozmery FV - h110,s320 - rozmery - 3 připojení 110_320
DEPTH 110mm/WIDTH 400mm
FV - h110,s400 - rozmery - 1 FV - h110,s400 - rozmery - 2 FV - h110,s400 - rozmery - 3 připojení 110_400    
DEPTH 130mm/WIDTH 260mm
FV - h130,s260 - rozmery - 1 FV - h130,s260 - rozmery - 2 FV - h130,s260 - rozmery - 3 připojení 130_260
DEPTH 130mm/WIDTH 320mm
FV - h130,s320 - rozmery - 1 FV - h130,s320 - rozmery - 2 FV - h130,s320 - rozmery - 3 připojení 130_320
DEPTH 130mm/WIDTH 400mm
FV - h130,s400 - rozmery - 1 FV - h130,s400 - rozmery - 2 FV - h130,s400 - rozmery - 3 připojení 130_400
FV TRENCH HEATER INSTALLATION 
Construction recommendations

To ensure correct operation, it is essential that the following principles are respected.

  • Trench heaters must be installed horizontally with the heat exchanger on the window side. For the grille to function correctly, the upper edge of the casing must be straight and level (not buckled or bent).
  • The maximum recommended distance of the trench heater from the wall/window is 100 mm.
  • The size of the trough in the floor for trench heater installation should be at least 100 mm bigger (both in length and width) than the convector.
  • We recommend connecting the trench heater to the heating system using a lockshield and thermostatic valve. The heat exchanger connection is by an inner G½ thread. Following connection to the heating system, bleed and carry out a pressure test.
  • When concreting, the trench heater must be levelled using the set screws provided and fastened to the floor using the anchors provided. The anchors keep the trench heater in place while pouring concrete.
  • While pouring concrete, the trench heater may be weighed down.
  • Using anchors will extend the bottom width of the trench heater by 42 mm from each side.
  • While pouring concrete it is important to brace the trench heater to prevent longitudinal buckling. Trench heaters are fitted with spacers for this purpose. Following concreting, these spacers are easily removed. Note: FVP models as standard are, however, not equipped with spacers.
  • While pouring concrete or anhydrite it is essential to seal all connection openings to prevent leakage. We also recommend insulating trench heaters against dampness.
  • Where trench heaters are not concreted in, raised floor supports are recommended to use. Standard models are not self-supporting.
  • We recommend insulating the outer side of the trench heater casing along the length of the heat exchanger with polystyrene to prevent heat loss into the floor.
  • For trench heaters with forced convection we recommend undertaking fastening and acoustic insulation by pouring thin concrete along the sides and under the base of the heater.
  • To avoid contaminating the trench heater, we recommend maintaining the protective hardboard cover in place during construction work. The cover, which is included in the standard contents, is not suitable for walking on and serves solely to protect the trench heater from contamination during installation. Strengthened OSB covers for installation purposes are available as optional extras.
  • Fans are attached to the trench heater casing using magnets. For stainless steel models velcro is used. This system enables removal of the fans from the trench heater during installation to avoid damage, contamination, etc. Fans may also be removed this way for cleaning when the unit is switched off. With the exception of the Pool series, fans are installed to direct air towards the windows.
  • Electrical installation design must be carried out by suitably qualified persons in accordance with the relevant regulations.
  • Installation and servicing of the electrical installation must be carried out by persons with the relevant electro-technical qualifications.
  • Prior to commissioning, the electrical components must be thoroughly inspected in accordance with relevant regulations.
EnergyKORAFLEX Energy FVE trench heaters are powered with 230 V alternating current mains electricity. Therefore the electric branch must be equipped with a residual current device with a tripping current of 30 mA. These trench heaters are to be used solely in dry environments, and only for heating.
 
Montáž FV

1- trench heater with forced convection, 2 - heat exchanger, 3 - fan, 4 - grille, 5 - F-frame,
6 - anchors, 7 - set screws, 8 - window, 9 - floor level, 10 - grout, 11 - expansion joint,
12 - insulation, 13 - concrete, 14 - sub-floor

 

 

Raised floor installations
Structural supports for raised floor trench heater installations offer stable and effective solutions. Structural supports are manufactured from non-lacquered steel and are suitable for raised floors of a depth of up to 500mm. Structural supports are suitable for Optimal-V, Energy, Variant F2V and F4V. For structural reasons, the KORAFLEX Pool-V model is not recommended for installation into raised floors.

FV - Zdvojene podlahy - stojanky SZP-03SZP-03 low-raised floor support

Trench heaters are fitted with reinforcing bars and set screws, which enable the trench heater to be installed at the required height. Set screws must be anchored to the floor to prevent movement. Reinforcing bars are not included as standard and cannot be fitted subsequently. The screws allow setting a maximum height which is max. 30 mm higher than the trench heater itself. Recommended for raised floors with a maximum depth 30 mm greater than the unit height of the trench heater.

FV - Zdvojene podlahy - stojanky SZP-10SZP-10 higher raised floor support

Customized solutions for all projects dealing with raised flooring. This is a more robust model of the low raised floor support, equipped with one support at the base of the trench heater. The precise technical design depends on customer's requirements. Recommended for raised floors with a maximum depth 100 mm greater than the unit height of the trench heater.

 

FV - Zdvojene podlahy - stojanky SZP-30SZP-30 high-raised floor support

Customized solutions for projects dealing with high-raised flooring. This is a more robust model of the higher raised floor support, equipped with two supports at the base of the trench heater. The precise technical design depends on customer's requirements. Recommended for raised floors with a maximum depth 300 mm greater than the unit height of the trench heater.

 

 

 

TRENCH HEATER MULTIPLE INSTALLATIONS

Casing types according to water connections and lowered faces for multiple installations
Lowered trench heater casing faces are used where invisible connections are desired between convectors (multiple convectors around a room, eg. in administrative buildings, restaurants, hotels, etc.). When ordering grilles, care must be taken to include information in the order code that the grilles required are to be used with trench heaters with lowered faces.

EN_FV_instalace

 

NUMBER OF FANS PER TRENCH HEATER

EN_FV_fans

ORDERING CODES

Example of ordering code: FVE-120/11/26-V1U1P0R-RE

KORAFLEX trench heater with fan (forced convection), 230 V AC Energy model, length 120 cm, depth 11 cm, width 26 cm, counter-flow non-lacquered heat exchanger U-frame, silver elox, right-hand connection, without lowered face, for roll-up grille, with 230 V AC regulation.

KORAFLEX
Forced convection
Energy
 
Length/Depth/Width (cm)
 
Heat exchanger
type
Heat exchanger
colour
Frame
Frame colour
Connection
side
Lowered face
For grille
 
Regulation
F
V
E
-
120/11/26
-
V
1
U
1
P
0
R
-
RT
 
 
 
 
 
 
V counter-flow
1 non-lacquered
5 RAL 9005
9 other colour RAL
U -frame
F -frame
C for Cross grille
0 without frame
1 silver elox
2 dark bronze elox
3 light bronze elox
5 black elox
9 other RAL colour
0 without frame
 
P right
L left
0 without lowered face
1 lower face – input side
2 lower face – opposite input side
3 both sides lower
R roll-up
L* linear
 
RE 230V DC regulation

L* – technical alterations to convector casing

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