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If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Gas types Natural Gas.
Dimensions and Minimum installation clearances Fig. General rules to follow for safe operation B 1. You should follow these instructions when you install your 250sxp.
In the United States: Keep the area below the heater free of combustible material. B After inspection, replace front cover and tighten screws, then replace plastic decal shields. B Fix the top vent cap on the top of the heater, as shown in Fig.
Make sure the vent cap is well fitted by taking special care that the front cover stays inside the extended corners of the vent cap, as shown in Fig. Based on a 0. Follow boxed numbers for piping just one SXO example: Measuring gas pressure 2. B Remove front cover and locate inlet gas pressure measuring point see Fig. B Loosen screw inside test 2500sxo fitting do not remove and connect manometer tube on test point. Confirm that the water heater 250sox appropriately grounded and that the installation meets all electrical codes.
Outdoor electrical outlets have special requirements. If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. This appliance is equipped with electronic ignition for lighting the main burners. Setting the water temperature The desired temperature of the hot water can be adjusted on the front control panel of the heater. Use of remote control accessory Fig.
Contact your distributor or CEC to order if the remote control accessory is preferred. Maintenance and service Warning: Always turn off the electrical power supply, turn off the manual gas valve and turn off the manual water control valves whenever servicing. The unit should be checked once a year by a gas technician. If repairs are needed, the repairs should be done by a gas technician To remove front cover B See instructions to remove front cover on page 8.
Display Cause Temperature limiter opened circuit overheat. Trips at F C. No ionization during safety time safety time out. The ionization signal momentarily disappeared more then 5 times in less then 30 seconds. CO may be out of adjustment Leakage error gas valves do not close gas circuit.
Interior components diagram and parts list Interior components Fig. Interior components diagram and parts list Components diagram Fig.
Bosch Tankless Water Heaters: Bosch Aquastar SX/SXO Water Valve with Engine
One factor that may affect levels is improper gas pressure. Return slotted cover to original position. Remove CO analyzer probe and reinstall plug in exhaust collar. Protecting the environment Packing The packing box may be fully recycled as confirmed by the recycling symbol Components Many parts in the heater can be fully 250sco in the end of the product life.
Contact your city authorities for information about the disposal of recyclable products. B Make sure you close all the taps after any use. CEC will furnish a replacement heat exchanger and will furnish a replacement of any other part which fails in normal use and service within the applicable periods specified below, in accordance with the terms of this warranty.
Page of 31 Go. Page 7 – General rules to follow for safe operati Electronic Ignition and built in Freeze protection. Table of Contents Add to my manuals Add.
Bosch AquaStar 250SX / 250SXO Water Valve with Engine #8708505018
Ysra series, ysra series, ysrabz, ysra series 18 pages. Bosch operating instruction water heater hx lp and hx ng 20 pages. Water Heater Bosch C ES Installation Manual Bosch indoor residential and commercial models tankless water heaters temperature modulated with electronic ignition suitable for heating potable water and space heating 72 pages.
Page 9 B After inspection, replace front cover and tighten screws, then replace plastic decal shields. Measuring Gas Pressure Measuring gas pressure 2.
Temperature Selection Operation instructions Fig. Page 17 Setting the water temperature The desired temperature of the hot water can be adjusted on the front control panel of the heater.
Program Button Use of remote control accessory Fig. Maintenance And Service Maintenance and service Warning: Page 21 Display Cause Temperature limiter opened circuit overheat. Electrical Diagram Electrical diagram Fig. Components Diagram Interior components diagram and parts list Components diagram Fig.
Protecting The Environment Protecting the environment Packing The packing box may be fully recycled as confirmed by the recycling symbol Components Many parts in the heater can be fully recycled in the end of the product life.
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