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Installation and Operating Instructions
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.
W11..P...
W14..P...
W18..P...
With piezo ignition and double safety
system consisting of flue gas monitor and
heat exchanger temperature sensor.
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.
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Related Manuals for Bosch W11P
Summary of Contents for Bosch W11P
- Page 1 Installation and Operating Instructions 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.
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Page 2: Table Of Contents
2.4 Water connection ... 5 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: Dimensions
Dimensions Dimensions (mm) W11..P... W14..P... W18..P... Appliance design 6 720 607 526 Natural Gas 112,5 132,5 132,5 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. -
Page 4: Technical Characteristics
Technical characteristics Technical Data Rated max. heat output Rated min. heat output Output (modulation range) Rated max. heat input Rated min. heat input Supply pressure: Natural gas LPG (butane/propane) Consumption: Natural gas LPG (butane/propane) Number of injectors Max. water pressure** Temperature control at maximum setting Temperature increase Flow rate... -
Page 5: Preconditions For Installation
Preconditions for installation The appliance can only be sold in the countries mentioned in the type plate. 2. 1 Regulations Any local by-laws and regulations pertaining to installation and use of gas-heated appliances must be observed. Please refer to the laws that should be attended in South Africa. Location The appliance should be sited in a well ventilated room where it will not be exposed to temperatures below freezing. -
Page 6: Operation And Maintenance
Sealed parts must not be interfered with. 3. 1 Function This water heater is fitted with piezo ignition that provides for easy commissioning. In first place it must dislocate the output control of the off position to the ignition position (see fig. 5). -
Page 7: Troubleshooting
Troubleshooting Installation, servicing and repairs may only be carried out by an approved engineer. The following table illustrates only a few solutions to straightforward problems. Problem Pilot flame stay alight. Several atempts required to turn pilot flame on. Yellow pilot flame. Flame goes out while appliance is in operation. -
Page 8: Operation
Operation Turn on all gas and water taps Purge air from pipes Ignition: Release the slide control knob after approximately 15 seconds Press the piezo igniter Output Control: output decrease Temperature adjustment Turning control anti-clockwise increases water flow rate and reduces water temperature Switching off: Depress slide control knob...