DE DIETRICH WHE 2.24 _ WHE 2.24 FF - Manual (Page 12)

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WHE 2.24 / WHE 2.24 FF 17/07/2008 - 300011777-001-C
7. Technical characteristics
7 Technical characteristics
Conditions of use:
- Max. safety temperature: 95 °C
- Safety thermostat: 105 °C
WHE 2.24 WHE 2.24 FF
Nominal input power kW 26.6 25.4
Nominal useful output kW 24 23.6
Minimum useful output kW 8.4 8.4
Maximum output kW 24 23.6
Efficiency (80/60 °C) % 90.1 92.9
Gas flow rate
Natural gas (Pmax) m 3 /h 2.77 2.65
Natural gas (Pmin) m 3 /h 0.97 0.96
Butane / Propane Kg/h 2.08 1.99
Heating
Minimum output temperature °C 35 35
Maximum output temperature °C 80 80
Minimum operating pressure bar 0.8 0.8
Maximum operating pressure bar 3 3
Domestic hot water
Minimum output temperature °C 35 35
Maximum output temperature °C 60 60
Minimum operating pressure bar 0.3 0.3
Maximum operating pressure bar 10 10
Minimum flow l/min 3 3
Specific flow at ∆t=30K l/min 11.4 11.4
Combustion products circuit
Mass flue gas flow rate (min / max) Kg/h 70/75 59/50
Flue gas temperature (min / max) °C 84/124 98/135
Value CO
2
(min / max) % 1.8/4.9 2.1/7.1
Maximum pressure at the flue gas nozzle Pa - 35
Gas connection inch R 3/4 R 3/4
Heating connection inch R 3/4 R 3/4
Domestic hot water connection inch R 1/2 R 1/2
Electrical connection V/Hz 230/50 230/50
Electrical power W 105 150
Expansion vessel capacity l 8 8
Net weight (without water) kg 34.7 40.8
Dimensions mm 750 x 454 x 340 750 x 454 x 340
Insulation class IP20 IPX4D