Installation and Operating Instructions
Gas Instantaneous Water Heater
W11..P...
W14..P...
W18..P...
With piezo ignition and double safety system consisting of flue gas monitor and heat exchanger temperature sensor.
6 607720 ZA526 .(05 JS02)
Safety instructions:
If you smell gas:
-Do not operate any electrical switches.
-Do not telephone from inside the danger area.
-Turn off the gas cock.
-Open windows and ventilate room.
-From outside, call the gas company and your approved installer.
Do not use or store easily combustible materials in the vicinity of the appliance.
Installation and servicing of the appliance may only be carried out by an approved technician.
The appliance should be regularly serviced in order to ensure that it remains in perfect and safe working order.
If there is a risk of freezing, the appliance must be switched off and drained. If the appliance has not been drained during a cold spell, when it is switched on again check that it produces hot water. If problems occur, contact your installer.
Index
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page |
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page |
1. |
Technical Characteristics and Dimensions |
............... 2 |
2.5 |
Gas connection ................................................................. |
5 |
1.1 |
General description |
2 |
2.6 |
Flue ....................................................................................... |
5 |
2.7 |
Comissioning ...................................................................... |
5 |
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1.2 |
Explanation of model code .............................................. |
2 |
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1.3 |
Accessories ........................................................................ |
2 |
3. |
Operation and maintenance ............................................. |
6 |
1.4 |
Dimensions ......................................................................... |
3 |
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1.5 |
Appliance design ............................................................... |
3 |
3.1 |
Function .............................................................................. |
6 |
1.6 |
Technical characteristics ................................................. |
4 |
3.2 |
Water temperature control .............................................. |
6 |
2. |
Preconditions for installation |
5 |
3.3 |
Appliance adjustments ..................................................... |
6 |
3.4 |
Maintenance ...................................................................... |
6 |
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2.1 |
Regulations |
5 |
3.5 |
Flue gas safety device ..................................................... |
6 |
3.6 |
Converting to a different gas type ................................ |
6 |
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2.2 |
Location .............................................................................. |
5 |
3.7 |
Troubleshooting ................................................................. |
7 |
2.3 |
Fixing the appliance .......................................................... |
5 |
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2.4 |
Water connection ............................................................. |
5 |
4. |
Operation .................................................................................. |
8 |
1.Technical Characteristics and Dimensions
1.1General 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.
1.2Explanation of Model Code
W |
11 |
P |
23 |
S… |
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31 |
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W |
14 |
P |
23 |
S… |
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31 |
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W |
18 |
P |
23 |
S… |
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31 |
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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
2 |
6 720 607 526 |
1.4 Dimensions
1. Front cover
2. Hole for fixing to wall
3. Observation window
4. Temperature control
5. Output control
6. Gas connection
7. Exhaust pipe union
8. Draught diverter with flue gas monitor
9. Heat exchanger
10. Automatic gas valve
11. Piezo
12. Water valve
Fig. 2
Dimensions |
A |
B |
C |
D |
E |
F |
G |
H (Ø) |
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(mm) |
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Natural Gas |
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LPG |
W11..P... |
310 |
580 |
228 |
112,5 |
463 |
60 |
25 |
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W14..P... |
350 |
655 |
228 |
132,5 |
510 |
95 |
30 |
1/2" |
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W18..P... |
425 |
655 |
334 |
132,5 |
540 |
65 |
30 |
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1.5Appliance design
1. |
Heat exchanger |
2. |
Main burner |
3. |
Injector |
4. |
Slow ignition valve |
5. |
Temperature control |
6. |
Venturi |
7. |
Water valve |
8. |
Water throttle |
9. |
Water filter |
10. |
Membrane |
11. |
Cold water pipe |
12. |
Magnetic valve |
13. |
Gas supply pipe |
14. |
Gas filter |
15. |
Regulating screw |
16. |
Pilot filter |
17. |
Piezo |
18. |
Hot water pipe |
19. |
Output control |
20. |
Igniter button |
21. |
Main gas valve |
22. |
Gas valve for pilot burner |
23. |
Pilot burner injector |
24. |
Gas valve |
25. |
Jet pressure testing point |
26. |
Thermocouple |
27. |
Igniter electrode |
28. |
Temperature limiter |
29. |
Flue gas safety device |
Fig. 3 |
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6 720 607 526 |
3 |