Bosch 2400E NG - Manuals

6 720 608 263 8 Appliance details 2.6 Clearances The 2400 E is design certified for installation on acombustible wall (see 2.7 Mounting installation)provided the floor covering below the heater isnoncombustible. For installations in an alcove or closet,maintain the minimum clearances to combustible ...

6 720 608 263 Appliance details 9 construction, infiltration air is normally adequate toprovide air for combustion. • Appliances located in confined spaces: The confined space must be provided with twopermanent openings, one commencing within 12inches (304.8mm) of the top and one commencingwithin 12...

6 720 608 263 10 Appliance details The appliance should be located as close to the pointof termination as possible. The maximum vent length is26 feet (8 m) with one 90 degree elbow. Subtract 2½feet from the total vent length for each additional 90°elbow used (a maximum of three 90° elbows arepermitt...

6 720 608 263 12 Appliance details 2.9.1 Venting options Installing this water heater as a room sealed (TWINPIPE SYSTEM) is the recommended method. ContactBBTNA or dealer for available vent termination kits andvent materials for this water heater. Room sealed installation (TWIN PIPE SYSTEM) Fig. 12 ...

6 720 608 263 Appliance details 13 Recommended exhaust vent terminator position Fig. 16 * Subject to local codes and anticipated snow level ** Other equipment that operates with a mechanical air inlet may require greater distances, reference manufacturer's instructions Ref. Description Minimum dista...

6 720 608 263 14 Appliance details Supporting the exhaust vent system Fig. 17 Horizontal side wall venting installation (combustion air piping not being shown) Fig. 18 Above the roof clearance requirements from rain cap (combustion air piping not beingshown) B A condensate drain tube must be attache...

6 720 608 263 Appliance details 15 Fig. 20 Vertical venting installation - Masonry Chimney (combustion air piping not beingshown) A condensate drain tube must be attached to theexhaust collar of the heater for all vent type applications,see page 11. 2.10 Gas piping & connections Before connectin...

6 720 608 263 16 Appliance details FOR NATURAL GAS Maximum Capacity of pipe in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 Psig or less and a Pressure dropof 0.3 in Water Column (0.75mbar).(Based on a 0.60 Specific Gravity Gas) Btu numbers given in thousands. Fig. 22 Follow boxed numbers for ...

6 720 608 263 Appliance details 17 2.11 Gas line sizing B It is strongly recommended that the Natural Gas pipebe Black Iron pipe the entire distance from theoutside meter to the inlet of the gas connection. ¾”Black Iron pipe up to 20 feet (6.1m) and 1” Black Ironpipe up to 70 feet (21.34m) distances...

6 720 608 263 18 Appliance details HIGH ALTITUDE OPERATION 2.13 Water connections When facing the heater, the ¾” cold water inlet is on thebottom right and the hot water outlet is on the bottomleft. Install the heater centrally in the building if possibleand make hot water piping runs as short as po...

6 720 608 263 Appliance details 19 2.14 Electrical connections The 2400 E requires an electrical power supply from a120VAC 60Hz circuit and must be properly grounded.A means for switching off the 120VAC power supplymust be provided.The heater is wired as shown in the wiring diagram(chapter 6, Fig. 3...

6 720 608 263 20 Appliance details When the heater is in operation you will hear its powervent fan and burner operating. Upon turning off the hotwater flow the power vent fan will continue to operatefor up to 60 seconds to exhaust all flue gases. Thepower vents fan speed is variable depending on the...

6 720 608 263 Operation instructions 21 3 Operation instructions Fig. 27 1 On/Off switch 2 Reset button 3 Program Key 4 Increasing temperature selector 5 Decreasing temperature selector 6 LCD display 3.1 Power On B To start the appliance switch the button to position( I ). LCD display the default te...

6 720 608 263 Operation instructions 23 3.3 Use of remote control accessory Fig. 31 Remote control The wireless remote control accessory and thetemperature selector buttons on the front of the waterheater operate identically. Contact your distributor orBBTNA to order if the remote control accessory ...

6 720 608 263 26 Troubleshooting Display Cause Solution E9 Temperature limiter opened circuit (overheat). Trips at 220F (104C). Check connections.*Check heat exchanger condition.* EA No ionization during safety time (safety time out).Note: appliance makes 3 ignition attempts before entering error mo...

6 720 608 263 Electrical diagram 27 6 Electrical diagram Fig. 37 Electrical scheme 1 Intlet water temperature sensor 2 Ionization sensor 3 Water flow sensor 4 Over heat protection 5 Temperature limiter 6 Gas valve 7 Fan 8 Water valve 9 AC Plug 10 Ignition electrode 11 Display PCB 12 ON/OFF switch 13...

6 720 608 263 28 2400 E Functional scheme 7 2400 E Functional scheme Fig. 38 Functional scheme

6 720 608 263 Interior components diagram and parts list 29 8 Interior components diagram and parts list 8.1 Interior components Fig. 39 Components 1 Cover 2 On/Off switch 3 Reset button 4 LCD display 5 Program button 6 Temperature switches 7 Flue gas collector 8 Mixer 9 Heat exchanger 10 Observatio...

6 720 608 263 30 Interior components diagram and parts list 8.2 Components diagram Fig. 41 Components Diagram

6 720 608 263 Interior components diagram and parts list 31 8.3 Parts list Item Description Reference 1 Front cover 8 705 421 915 2 Shield 8 705 506 706 3 Heat exchanger 8 705 406 285 4 Heat exchanger top gasket 8 704 701 052 5 Clip 8 716 102 607 6 Heat exchanger bottom gasket 8 704 701 054 7 O-ring...

6 720 608 263 32 Special adjustment for measuring and adjusting CO2 levels 9 Special adjustment for measuring and adjusting CO 2 levels The CO 2 can only be adjusted by a certified gas technician with a calibrated CO 2 analyzer. Static Gas Pressure: “ WC P1 Operating Pressure: “ WC The P1 minimum op...

6 720 608 263 Special adjustment for measuring and adjusting CO2 levels 33 D. Returning to Service: 1. Return slotted cover to original position.2. Reinstall Torx cover.3. Remove CO 2 analyzer probe and reinstall flathead screw in exhaust collar.4. Turn ON/OFF switch to the OFF (O) position andthen ...

6 720 608 263 34 Protecting the environment 10 Protecting the environment Packing The packing box may be fully recycled as confirmed bythe recycling symbol . Components Many parts in the heater can be fully recycled in the endof the product life. Contact your city authorities forinformation about th...

6 720 608 263 Twelve Year Limited Warranty 35 11 Twelve Year Limited Warranty General Aquastar water heaters are warranted by theManufacturer (BOSCH) through BBT North America. BBT North America (BBTNA) will furnish a replacement heat exchanger and will furnish a replacement of anyother part which f...

Recycled paper © 2006 BBT NORTH AMERICA, Waitsfield, VT all rights reserved Replacement Parts available from: VULCANO Termodomésticos S.A. Estrada de Cacia 3801 - 856 Aveiro - PORTUGAL BBT NORTH AMERICA Bosch Group Bosch Water Heating340 Mad River ParkWaitsfield, VT 05673Phone 800-642-3111Fax (802) ...