Manuals / Bosch Appliances / Household Appliance / Water Heater

Bosch Appliances 250SX LP CONTROLLED ENERGY CORP 340 Mad River Park Waitsfield, Vermont Phone

Models: 250SX NG 250SX LP

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Replacement Parts available from North American Distributor

Replacement Parts available from North American Distributor

CONTROLLED ENERGY CORP.

340 Mad River Park

Waitsfield, Vermont 05673

Phone 800-642-3111

Fax (802) 496-6924

www.controlledenergy.com/tech

techsupport@controlledenergy.com

Recycled paper

VULCANO Termodomésticos S.A.

Estrada de Cacia

3801 - 856 Aveiro - PORTUGAL

©2004 Controlled Energy Corporation, Waitsfield, VT all rights reserved

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Bosch Appliances 250SX LP, 250SX NG manual CONTROLLED ENERGY CORP 340 Mad River Park Waitsfield, Vermont Phone, Fax 802

Contents

Temperature Modulated with Electronic Ignition MODEL 250SX NG and 250SX LP250 SX NG 250 SX LP Intended for variable flow applications with multiple tapping pointsIndex 23 For your safetyIndex Warning IfClose gas valve. Open windows 2.1 Features 2.2 250 SX Specifications Technical data2 Appliance details Minimum recommended water pressure 30 PSI 2.07 bar Connections 2.3 Dimensions and Minimum installation clearances Fig. 5 DimensionsFig. 6 Minimum clearances Table 1 Minimum clearances2.5 Proper location for installing your heater 2.4 General rules to follow for safe operation2.7 Mounting installation 2.6 Clearances2.8 Combustion air requirements 2.9 Venting The maximum flue gas exhaust temperature on the 250 SX is 437F 225C B Attach the flue gas exhaust accessory 8 705 Room sealed installation TWIN PIPE SYSTEM Open combustion installation SINGLE PIPE SYSTEMAppliance details Appliance details Recommended exhaust vent terminator position DescriptionMinimum distance The venting materials and accessories Vertical venting installation - Masonry 2.10 Gas piping & connectionsChimney combustion air piping not being shownrefer to applicable chart below FOR NATURAL GASFollow boxed numbers for piping just one 250 SX example ¾” B.I. Natural Gas pipe for 20 ft 6.1m2.11 Gas line sizing 2.12 Measuring gas pressure2.13 Water connections 2.16 For your safety read before operating your water heater 2.14 Electrical connections2.15 Operating instructions 2.17 Lighting and operating instructionsNOTE on a first time initial instal 3.1 Power 3.2 Temperature selection3 Operation instructions Fig. 29 Flow/temperature charts Hot water temperature ºFHot water temperature ºC Hot Water Flow GPM3.3 Use of remote control accessory 3.5 Reset button3.4 Operation 3.6 Program button4 Maintenance and service 5 TroubleshootingPage By installer or service technician only chapter6 Electrical diagram 1 Intlet water temperature sensor 2 Ionization sensor3 Water flow sensor 4 Over heat protection 5 Temperature limiter 11 Display PCB 12 ON/OFF switch 13 Fuse T 2,5A 14 Fuse T 3,15A7 250 SX Functional scheme 250 SX Functional scheme6 720 607 8 Interior components diagram and parts list 8.1 Interior components1 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 exchanger8.2 Components diagram Fig. 40 Components Diagram6 720 607 8.3 Parts list Interior components diagram and parts listDescription Reference9 Special adjustment for measuring and adjusting CO2 levels 9.1 Adjusting the unitFig. 43 Adjusting clockwise6 720 607 10 Protecting the environment 11 Twelve Year Limited Warranty Twelve Year Limited WarrantyService Labor Costs How to Make a ClaimReplacement Parts available from North American Distributor CONTROLLED ENERGY CORP 340 Mad River Park Waitsfield, Vermont PhoneFax 802 techsupport@controlledenergy.com Recycled paper