Bosch 940 ES Installation Manual

Also see for 830ES: Technical service bulletin Technical service bulletin Technical service bulletin Applications manual Installation manual

6 720 644 93036Operation instructions5.2 For your safety read beforeoperating your water heaterA. This appliance is equipped with electronic ignition forlighting the main burner. When turning the heater on,follow these instructions exactly.B. Before operating the unit, press the On/Off button.WHAT TO DO IF YOU SMELL GASB Do not try to light any appliance.B Do not touch any electric switch; do not use anyphone in your building.B Immediately call your gas supplier from a neighborsphone. Follow the gas supplier’s instructions.B If you cannot reach your gas supplier, call the firedepartment.C. Use only your hand to press the on/off control switch.Never use tools. Follow these instructions exactly. Ifcontrol switch is jammed, close the gas supply and calla qualified service technician. Attempted forceful repairmay result in a fire or explosion.D. Do not use this appliance if any part has been underwater. Immediately call a qualified service technician toinspect the appliance and to replace any part of thecontrol system and any gas control which has beenunder water.5.3 PowerOnB To start the appliance press the On/Off button.Fig. 55OffB To shut down the appliance press the On/Off buttonagain.5.4 Temperature selectionTo select output water temperature:B Press buttons or in order to reach desiredtemperature.Fig. 56Setting the water temperatureThe desired temperature of the hot water can beadjusted on the front control panel of the heater.The water heater has an electronically controlled gasvalve that modulates the burner input in response toboth varying hot water flow rates and/or changes in anyincoming and outgoing water temperatures.Note: The water heater, running at minimum BTU, maystill achieve temperatures above the desired settemperature. Low flowing fixtures are the leading causeof this type of temperature overshoot. To combat thissymptom, clean fixtures or replace with higher flowingones.Saving water resources:B Make sure you close all the taps after any use. Avoidleaving the taps dripping. Repair any leaking tap.B Define the temperature you want, in the appliance orwith the remote control. This way you have theprecise water flow needed (mixing cold water toregulate temperature will increase the water flow withconsequent waste of water)Warning: If you do not follow theseinstructions exactly, a fire or explosionmay result causing property damage,personal injury or loss of life.