Assessments - 5, GPA: 4
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-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..B... W14..B... W18..B... With electronic ignition and triple safety system consisting of ionisation detector, 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 6 720 607 527 ZA (05.02) JS Contents 1. Technical Characteristics and Dimensions 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 Circuit diagram .................................................................. 4 1.7 Technical characteristics.................................................4 2. Preconditions for installation 2.1 Regulations.........................................................................5 2.2 Location .............................................................................. 5 2.3 Fixing the appliance..........................................................5 2.4 Water connection .............................................................5 1. Technical Characteristics and Dimensions 1.1 General Description The appliance is easy to operate as it is ready to use at the press of a button. 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. Electronic ignition controlled by opening of water valve. Absence of a permanent pilot flame make it more economical than conventional appliances. Semi-permanent pilot flame functions only during the time between opening of the water valve and activation of the main burner. 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. Green LED indicates burner condition. 2.5 Gas connection ................................................................. 5 2.6 Flue.......................................................................................5 2.7 Commissioning .................................................................. 5 3. Operation and maintenance 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 W 11 B 23 31 S… W 14 B 23 31 S… W 18 B 23 31 S… W Gas instantaneous water heater 11 Flow rate (l/min) B Electronic ignition powered by 1.5 V batteries 23 Natural gas type H 31 LPG (butane/propane) S... Country code 1.3 Accessories (Included with Appliance) -Sleeves and hooks for wall-mounting. -Set of two batteries, 1.5 V type R 6 720 607 527 6 720 607 527 3 1.5 Dimensions Fig. 2 1.6 Appliance design Fig. 3 1. Heat exchanger 2. Ionisation detector 3. Main burner 4. Injector 5a. Testing point for burner pressure 5b. Testing point for supply pressure 6. Slow ignition valve 7. Temperature control 8. Venturi 9. Water valve 10. Flow restrictor 11. Water filter 12. Cold water supply pipe 13. Diaphragm 14. Microswitch 15. Main gas valve 16. Regulating screw 17. Gas inlet 18. Gas filter 19. Battery compartment 20. Hot water pipe 21. Igniter unit 22. On/Off switch 23. LED indicator for battery charge level 24. Servo valve 25. Output control 26. Gas valve 27. Gas valve for pilot burner 28. Pilot burner injector 29. Igniter electrode 30. Pilot burner 31. Temperature limiter 32. Flue gas safety device 33. LED indicator ...
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