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6 720 607 526 ZA (05.02) JS

Installation and Operating Instructions

W11..P...

W14..P...

W18..P...

With piezo ignition and double safety

system consisting of flue gas monitor and

heat exchanger temperature sensor.

Gas Instantaneous Water Heater

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.

Summary of Contents for W11P

Page 1: ...ate 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 applia...

Page 2: ...pliance 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 page page 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...

Page 3: ...lve 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...

Page 4: ... heat input Qmin Btu h 36200 46105 58912 Supply pressure Natural gas mbar kPa 20 2 0 20 2 0 20 2 0 LPG butane propane mbar kPa 28 2 8 28 2 8 28 2 8 Consumption Natural gas m3 h 2 2 2 77 3 5 LPG butane propane kg h 1 75 2 2 2 79 Number of injectors 12 14 18 Max water pressure pw psi 170 170 170 Temperature control at maximum setting Temperature increase C 50 0 50 0 50 0 Flow rate l min 5 5 7 8 8 Mi...

Page 5: ...e control and the output control Remove the outer case by sliding it forwards and then lifting upwards Fix the appliance using the sleeves and hooks supplied so that it is vertical Never allow the appliance to rest against water or gas pipes 2 4 Water connection It is advisable to drain the appliance before installing it as any dirt or grit inside it could reduce the water flow rate and in extreme...

Page 6: ...propane are set to the operating pressure stated on the identification plate 2 8 kPa Natural gas appliances are set to a Wobbe Index of 15 kWh m3 and a supply pressure of 2 0 kPa Sealed components must not be tampered with 3 4 Maintenance The appliance should only be serviced by an approved engineer A complete overhaul should be carried out after two years The overhaul should involve thoroughly cl...

Page 7: ...t appliance If problem recurs call an approved technician Temperature limiter has tripped Wait 10 minutes then restart appliance If problem recurs call an approved technician Water not hot enough Check output selector position and regulate according with needs Water not hot enough weak flame Gas supply dynamic pressure too low Check gas cylinder governor and replace if incompatible or damaged Chec...

Page 8: ... the piezo igniter Repeat these steps if the flame does not stay alight Switching off Release the slide control knob after approximately 15 seconds Move slide control to the far left Turning control anti clockwise increases water flow rate and reduces water temperature Turning control clockwise reduces water flow rate and increases water temperature Temperature adjustment ...

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