Bosch 250SX LP Dokumentacja

MODEL 250SX NG and 250SX LP - INDOOR MODELTemperature Modulated with Electronic IgnitionSuitable for heating potable water onlyNot approved for space

6 720 607 05710Appliance detailsThe appliance should be located as close to the pointof termination as possible. The maximum vent length is26 feet (8

6 720 607 057Appliance details11Note: reduce 2½ ft for each 90° elbow used after thefirst one, reduce 1 ¼ ft for each 45° elbow.Vent Safety SystemThe

6 720 607 05712Appliance details2.9.1 Venting optionsInstalling this water heater as a room sealed (TWINPIPE SYSTEM) is the recommended method. Contac

6 720 607 057Appliance details13Recommended exhaust vent terminator positionFig. 16* Subject to local codes and anticipated snow level** Other equipme

6 720 607 05714Appliance detailsSupporting the exhaust vent systemFig. 17 Horizontal side wall venting installation(combustion air piping not being sh

6 720 607 057Appliance details15Fig. 20 Vertical venting installation - MasonryChimney (combustion air piping not beingshown)A condensate drain tube m

6 720 607 05716Appliance detailsFOR NATURAL GASMaximum Capacity of pipe in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 Psig or less and a Press

6 720 607 057Appliance details172.11 Gas line sizingB It is strongly recommended that the Natural Gas pipebe Black Iron pipe the entire distance from

6 720 607 05718Appliance detailsHIGH ALTITUDE OPERATION2.13 Water connections When facing the heater, the ¾” cold water inlet is on thebottom right an

6 720 607 057Appliance details192.14 Electrical connectionsThe 250 SX requires an electrical power supply from a120VAC 60Hz circuit and must be proper

6 720 607 0572IndexIndex1Warning 22 Appliance details 42.1 Features 42.2 250 SX Specifications (Technical data) 42.3 Dimensions and Minimum installa

6 720 607 05720Appliance detailsWhen the heater is in operation you will hear its powervent fan and burner operating. Upon turning off the hotwater fl

6 720 607 057Operation instructions213 Operation instructionsFig. 271 On/Off switch2 Reset button3 Program Key4 Increasing temperature selector5 Decre

6 720 607 05722Operation instructionsSetting the water temperatureThe desired temperature of the hot water can be adjusted on the front control panel

6 720 607 057Operation instructions233.3 Use of remote control accessoryFig. 31 Remote controlThe wireless remote control accessory and thetemperature

6 720 607 05724Maintenance and service4 Maintenance and serviceThe unit should be checked once a year by a gastechnician. If repairs are needed, the r

6 720 607 057Troubleshooting25Test by following 4th bullet under BURNERS DONOT IGNITE WHEN HOT WATER IS TURNED ON.LOW WATER FLOW/PRESSURE• Too many ho

6 720 607 05726TroubleshootingDisplay Cause SolutionE9 Temperature limiter opened circuit (overheat). Trips at 220F (104C).Check connections.*Check he

6 720 607 057Electrical diagram276 Electrical diagramFig. 37 Electrical scheme1 Intlet water temperature sensor2 Ionization sensor3 Water flow sensor4

6 720 607 05728250 SX Functional scheme7 250 SX Functional schemeFig. 38 Functional scheme

6 720 607 057Interior components diagram and parts list298 Interior components diagram and parts list8.1 Interior componentsFig. 39 Components1 Cover2

6 720 607 057Warning3What to do if you smell gas• Close gas valve. Open windows.• Do not try to light any appliance.• Do not touch any electrical swit

6 720 607 05730Interior components diagram and parts list8.2 Components diagramFig. 41 Components Diagram76720607072-34.3 JF13440552678891010121371415

6 720 607 057Interior components diagram and parts list318.3 Parts listItem Description Reference1 Front cover 8 705 421 9152 Shield 8 705 506 7063 He

6 720 607 05732Special adjustment for measuring and adjusting CO2 levels9 Special adjustment for measuring and adjusting CO2 levelsThe CO2 can only be

6 720 607 057Special adjustment for measuring and adjusting CO2 levels33D. Returning to Service:1. Return slotted cover to original position.2. Reinst

6 720 607 05734Protecting the environment10 Protecting the environment PackingThe packing box may be fully recycled as confirmed bythe recycling symbo

6 720 607 057Twelve Year Limited Warranty3511 Twelve Year Limited WarrantyGeneralAquastar water heaters are warranted by theManufacturer (BOSCH) throu

Recycled paper © 2005 BBT NORTH AMERICA,Waitsfield, VT all rights reservedReplacement Parts available from:VULCANO Termodomésticos S.A.Estrada de Caci

6 720 607 0574Appliance details2 Appliance details2.1 FeaturesParts• Touch Pad interface control• High power pre-mix compact burner with low Noxemissi

6 720 607 057Appliance details5Combustion•NOx ≤ 55 ppm•CO ≤ 250 ppm•CO2 level set from factory, see chapter 9.Dimensions• Depth (in): 8 ½” (220 mm)• W

6 720 607 0576Appliance details2.3 Dimensions and Minimum installation clearancesFig. 4 Dimensions1 Cover2 On/Off switch3 Reset button4 LCD display5 P

6 720 607 057Appliance details72.4 General rules to follow for safeoperationB 1. You should follow these instructions when youinstall your heater. In

6 720 607 0578Appliance details2.6 ClearancesThe 250 SX is design certified for installation on acombustible wall (see 2.7 Mounting installation)provi

6 720 607 057Appliance details9construction, infiltration air is normally adequate toprovide air for combustion.• Appliances located in confined space