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2.5 Gas connection ................................................................. 5
2.6 Flue....................................................................................... 5
2.7 Comissioning ......................................................................5
3. Operation and maintenance ............................................. 6
3.1 Function .............................................................................. 6
3.2 Water temperature control .............................................. 6
3.3 Appliance adjustments .....................................................6
3.4 Maintenance ......................................................................6
3.5 Flue gas safety device ..................................................... 6
3.6 Converting to a different gas type ................................ 6
3.7 Troubleshooting ................................................................. 7
4. Operation .................................................................................. 8
1.2 Explanation of Model Code
Index
W Gas instantaneous water heater
11 Flow rate (l/min)
P Piezo ignition
23 Natural gas type H
31 LPG (butane/propane)
S... Country code
1.3 Accessories (Included with Appliance)
- Sleeves and hooks for wall-mounting
1. Technical Characteristics and Dimensions ............... 2
1.1 General description ..........................................................2
1.2 Explanation of model code ..............................................2
1.3 Accessories ........................................................................2
1.4 Dimensions ......................................................................... 3
1.5 Appliance design ...............................................................3
1.6 Technical characteristics .................................................4
2. Preconditions for installation ........................................... 5
2.1 Regulations.........................................................................5
2.2 Location .............................................................................. 5
2.3 Fixing the appliance..........................................................5
2.4 Water connection .............................................................5
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1. Technical Characteristics and Dimensions
1.1 General Description
This water heater is fitted with a piezo system.
Guaranteed safety provided by:
- Gas-tight ionisation detector that prevents escape of gas
if there is no flame.
- Flue gas safety device that switches off the appliance if
the flue is not functioning properly.
- Temperature limiter which protects the heat exchanger
against overheating.
Heat exchanger has no tin/lead lining.
Automatic water valve made of glass-fibre reinforced
polyamide, 100% recyclable.
Automatic control of water flow maintains constant flow rate
even with fluctuating supply pressure.
Gas valve with adjustable output via a slide control.
W 11 P
23
31
S…
W 14 P
23
31
S…
W 18 P
23
31
S…