Manuals
/
Bosch Appliances
/
Household Appliance
/
Water Heater
Bosch Appliances
250SX LP, 250SX NG manual Components diagram, Components Diagram, 6 720 607
Models:
250SX NG
250SX LP
1
30
36
36
Download
36 pages
43.85 Kb
27
28
29
30
31
32
33
34
<
>
Troubleshooting
Specification
Install
Parts list
refer to applicable chart below
Replacement Parts available from North American Distributor
Warranty
Reset button
Special adjustment for measuring and adjusting CO2 levels
Temperature Modulated with Electronic Ignition
Page 30
Image 30
Interior components diagram and parts list
8.2
Components diagram
Fig. 40 Components Diagram
30
6 720 607 057
Page 29
Page 31
Page 30
Image 30
Page 29
Page 31
Contents
250 SX NG 250 SX LP
Temperature Modulated with Electronic Ignition
MODEL 250SX NG and 250SX LP
Intended for variable flow applications with multiple tapping points
Index
Index
23 For your safety
Warning If
Close gas valve. Open windows
2.1 Features
2.2 250 SX Specifications Technical data
2 Appliance details
Minimum recommended water pressure 30 PSI 2.07 bar Connections
Fig. 6 Minimum clearances
2.3 Dimensions and Minimum installation clearances
Fig. 5 Dimensions
Table 1 Minimum clearances
2.5 Proper location for installing your heater
2.4 General rules to follow for safe operation
2.7 Mounting installation
2.6 Clearances
2.8 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 SYSTEM
Appliance details
Appliance details Recommended exhaust vent terminator position
Description
Minimum distance
The venting materials and accessories
Chimney combustion air piping not being
Vertical venting installation - Masonry
2.10 Gas piping & connections
shown
Follow boxed numbers for piping just one 250 SX
refer to applicable chart below
FOR NATURAL GAS
example ¾” B.I. Natural Gas pipe for 20 ft 6.1m
2.11 Gas line sizing
2.12 Measuring gas pressure
2.13 Water connections
2.15 Operating instructions
2.16 For your safety read before operating your water heater
2.14 Electrical connections
2.17 Lighting and operating instructions
NOTE on a first time initial instal
3.1 Power
3.2 Temperature selection
3 Operation instructions
Hot water temperature ºC
Fig. 29 Flow/temperature charts
Hot water temperature ºF
Hot Water Flow GPM
3.4 Operation
3.3 Use of remote control accessory
3.5 Reset button
3.6 Program button
4 Maintenance and service
5 Troubleshooting
Page
By installer or service technician only
chapter
3 Water flow sensor 4 Over heat protection 5 Temperature limiter
6 Electrical diagram
1 Intlet water temperature sensor 2 Ionization sensor
11 Display PCB 12 ON/OFF switch 13 Fuse T 2,5A 14 Fuse T 3,15A
7 250 SX Functional scheme
250 SX Functional scheme
6 720 607
1 Cover 2 On/Off switch 3 Reset button 4 LCD display 5 Program button
8 Interior components diagram and parts list
8.1 Interior components
6 Temperature switches 7 Flue gas collector 8 Mixer 9 Heat exchanger
8.2 Components diagram
Fig. 40 Components Diagram
6 720 607
Description
8.3 Parts list
Interior components diagram and parts list
Reference
9 Special adjustment for measuring and adjusting CO2 levels
9.1 Adjusting the unit
Fig. 43 Adjusting
clockwise
6 720 607
10 Protecting the environment
Service Labor Costs
11 Twelve Year Limited Warranty
Twelve Year Limited Warranty
How to Make a Claim
Fax 802
Replacement Parts available from North American Distributor
CONTROLLED ENERGY CORP 340 Mad River Park Waitsfield, Vermont Phone
techsupport@controlledenergy.com Recycled paper
