Dimension | Description | TWI | TWI |
R | Height drain valve connection | 155 | 155 |
S | Height T&P valve connection | 1040 | 1395 |
W | Height condensation drainage | 100 | 100 |
1 | Cold water supply connection | 1” NPT | 1” NPT |
2 | Hot water outlet connection | 1” NPT | 1” NPT |
3 | Gas control/burner connection | 1/2” NPT | 3/4” NPT |
4 | Drain valve connection | 3/4” NPT | 3/4” NPT |
5 | T&P valve connection | 1” NPT | 1” NPT |
7 | Condensation drainage connection | Rp 1 | Rp 1 |
3.4.2 | General and electrical data |
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| General and electrical data |
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Description |
| Unit | TWI | TWI |
Volume |
| l | 129 | 189 |
Empty weight |
| kg | 70 | 82 |
Maximum operating pressure |
| bar | 8 | 8 |
Fan speed at ignition |
| rpm | 0 | 0 |
Operating speed of fan |
| rpm | 7100 | 8750 |
Heating time ΔT = 45°C |
| min. | 11 | 13 |
Electrical power consumption |
| Watt (W) | 200 | 300 |
Supply voltage |
| Volt (V) | 230 | 230 |
Mains frequency |
| Hz | 50 | 50 |
| - | 30 | 30 | |
3.4.3 | Gas data |
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| Gas data |
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Description I2H |
| Unit | TWI | TWI |
Gas category 2H: G20 – 20 mbar |
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Nominal load (Upper value) |
| kW | 37,8 | 50,0 |
Nominal output |
| kW | 35,8 | 47,3 |
Supply pressure |
| mbars | 20 | 20 |
Gas consumption (*) |
| m³/h | 3,6 | 4,8 |
CO2 |
| Vol% | 9,0 ± 0,5 | 9,3 ± 0,5 |
(*) Based on 1013,15 mbar and 15°C.
Instruction manual TWI | 19 |