DE DIETRICH WHE 2.24, WHE 2.24 FF-3S, WHE 2.28 FF - Manual (Page 5)

5
22/07/2008 - 300017625-001-B WHE 2.24 / WHE 2.24 FF-3S / WHE 2.28 FF
3 Description
3.1 General description
3.1.1 WHE 2.24
- Wall-hung gas boiler
- Central heating and instant domestic hot water production
- Wide modulation range (8.4 to 24 kW)
- High efficiency (
 1)
- Stainless steel atmospheric burner
- Main exchanger in copper with protective zinc layer which enables
very high combustion efficiency
- Simple, functional control panel
- Integrated troubleshooting system
- Flow limiter (DHW): 10 l/mim.
- Expansion vessel: 8 l
- Automatic air vent
- Accelerator pump
- Low water safety device
- By-pass
- Filling and emptying tap
- Thermo-pressure gauge
- Assembly template delivered with the boiler
- Flue gas temperature sensor
- Connecting to a chimney
- Silent running
3.1.2 WHE 2.24 FF-3S
- Wall-hung gas boiler
- Central heating and instant domestic hot water production
- Wide modulation range (8.4 to 23.6 kW)
- High efficiency (
 1)
- Stainless steel atmospheric burner
- Main exchanger in copper with protective zinc layer which enables
very high combustion efficiency
- Simple, functional control panel
- Integrated troubleshooting system
- Flow limiter (DHW): 10 l/mim.
- Expansion vessel: 8 l
- Automatic air vent
- Accelerator pump
- Low water safety device
- By-pass
- Filling and emptying tap
- Thermo-pressure gauge
- Assembly template delivered with the boiler
- Differential air pressure switch
- Combustion gas extraction fan
- Connection to a concentric air inlet and combustion products
discharge conduit:
- Horizontal forced flue - type C
12
connection
- Vertical forced flue - type C
32
connection
- Leakproof collective conduit - type C
42
connection
- Separate ducts - type C
52
connection
- Silent running
3.1.3 WHE 2.28 FF (Not sold in Italy)
- Wall-hung gas boiler
- Central heating and instant domestic hot water production
- Wide modulation range (9.8 to 28 kW)
- High efficiency (

1)
- Stainless steel atmospheric burner
- Main exchanger in copper with protective zinc layer which enables
very high combustion efficiency
- Simple, functional control panel
- Integrated troubleshooting system
- Flow limiter (DHW): 10 l/mim.
- Expansion vessel: 8 l
- Automatic air vent
- Accelerator pump
- Low water safety device
- By-pass
- Filling and emptying tap
- Thermo-pressure gauge
- Assembly template delivered with the boiler
- Differential air pressure switch
- Combustion gas extraction fan
- Connection to a concentric air inlet and combustion products
discharge conduit:
- Horizontal forced flue - type C
12
connection
- Vertical forced flue - type C
32
connection
- Leakproof collective conduit - type C
42
connection
- Silent running