Manuals / Bosch Appliances / Household Appliance / Water Heater

Bosch Appliances 250SX LP Dimensions and Minimum installation clearances, Minimum clearances

Models: 250SX NG 250SX LP

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Appliance details

2.3Dimensions and Minimum installation clearances

Fig. 5 Dimensions

1Cover

2On/Off switch

3 Reset button

4 LCD display

5Program button

6Temperature buttons

Fig. 6 Minimum clearances

	Model 250 SX
TOP (A)	12”
FRONT (B)	4”
BACK	0”
SIDES	4”
FLOOR (C)	12”
VENT DIAMETER	3”

Table 1 Minimum clearances

6	6 720 607 057

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Bosch Appliances 250SX LP, 250SX NG manual Dimensions and Minimum installation clearances, Minimum clearances

Contents

250 SX NG 250 SX LP Temperature Modulated with Electronic IgnitionMODEL 250SX NG and 250SX LP Intended for variable flow applications with multiple tapping pointsIndex Index23 For your safety 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 Fig. 6 Minimum clearances 2.3 Dimensions and Minimum installation clearancesFig. 5 Dimensions 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 Chimney combustion air piping not being Vertical venting installation - Masonry2.10 Gas piping & connections shownFollow boxed numbers for piping just one 250 SX refer to applicable chart belowFOR NATURAL GAS example ¾” B.I. Natural Gas pipe for 20 ft 6.1m2.11 Gas line sizing 2.12 Measuring gas pressure2.13 Water connections 2.15 Operating instructions 2.16 For your safety read before operating your water heater2.14 Electrical connections 2.17 Lighting and operating instructionsNOTE on a first time initial instal 3.1 Power 3.2 Temperature selection3 Operation instructions Hot water temperature ºC Fig. 29 Flow/temperature chartsHot water temperature ºF Hot Water Flow GPM3.4 Operation 3.3 Use of remote control accessory3.5 Reset button 3.6 Program button4 Maintenance and service 5 TroubleshootingPage By installer or service technician only chapter3 Water flow sensor 4 Over heat protection 5 Temperature limiter 6 Electrical diagram1 Intlet water temperature sensor 2 Ionization sensor 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 1 Cover 2 On/Off switch 3 Reset button 4 LCD display 5 Program button 8 Interior components diagram and parts list8.1 Interior components 6 Temperature switches 7 Flue gas collector 8 Mixer 9 Heat exchanger8.2 Components diagram Fig. 40 Components Diagram6 720 607 Description 8.3 Parts listInterior components diagram and parts list Reference9 Special adjustment for measuring and adjusting CO2 levels 9.1 Adjusting the unitFig. 43 Adjusting clockwise6 720 607 10 Protecting the environment Service Labor Costs 11 Twelve Year Limited WarrantyTwelve Year Limited Warranty How to Make a ClaimFax 802 Replacement Parts available from North American DistributorCONTROLLED ENERGY CORP 340 Mad River Park Waitsfield, Vermont Phone techsupport@controlledenergy.com Recycled paper