Bosch 250SX LP - Manual
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Table of Contents:
- Page 2 – Index; Featuring
- Page 4 – Appliance details; Features; Gas pressure measuring point
- Page 6 – Dimensions and Minimum installation clearances; Dimensions; Minimum clearances
- Page 8 – Clearances; Identification labels are found on the; Combustion air requirements; • Appliances located in unconfined spaces:
- Page 9 – Venting
- Page 10 – The maximum flue gas exhaust temperature on the 250 SX is 437°F (225°C)
- Page 11 – Listed thimbles or collars are necessary to pass; Minimum exhaust vent size and length
- Page 12 – Combustion air pipe:
- Page 13 – Description
- Page 14 – Fig. 17Horizontal side wall venting installation
- Page 15 – Fig. 20 Vertical venting installation - Masonry; Gas piping & connections; GAS LINE SIZING
- Page 16 – FOR NATURAL GAS; corrugated) Tubing in Thousands of BTU per Hour; FOR LP GAS
- Page 17 – Gas line sizing; HIGH ALTITUDE OPERATION; Altitude; no modification; Table 4
- Page 18 – Water connections; Connecting the pressure relief valve (PRV); HOT
- Page 19 – Electrical connections; WHAT TO DO IF YOU S MELL GAS; Lighting and operating instructions
- Page 20 – TO TURN OFF GAS TO APPLIANCE
- Page 21 – Operation instructions; Power; On; Temperature selection; To select water temperature outlet:
- Page 23 – Use of remote control accessory; Fig. 30 Remote control; Operation; Programming “Program” function; Fig. 34 “Program” key; Using “Program” function; Locked condition; Fig. 35 Locked condition
- Page 26 – Table 5
- Page 27 – Electrical diagram; Fig. 36 Electrical scheme
- Page 28 – 50 SX Functional scheme; Fig. 37Functional scheme
- Page 29 – Interior components diagram and parts list; Interior components; Fig. 39 Appliance overview
- Page 30 – Components diagram; Fig. 40 Components Diagram
- Page 31 – Parts list; Item; Table 6
- Page 32 – Adjusting the unit; LP Gas; levels increase when the cover is installed.; Table 7
- Page 34 – Protecting the environment; Packing
- Page 35 – Twelve Year Limited Warranty
- Page 36 – CONTROLLED ENERGY CORP.
MODEL 250SX NG and 250SX LP
Temperature Modulated with Electronic Ignition
Suitable for heating potable water only
Not approved for space heating purposes
(Intended for variable flow applications with multiple tapping points)
250 SX NG
250 SX LP
6
720
607
057
US
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04.
10)
A
L
Warning:
If the information in this manual is not
followed ex actly, a fire or ex plosion may result
causing property damage, personal injury or death.
Do not store or use gasoline or other flammable
vapor and liquids in the vicinity of this or any other
appliance.
Improper
installation,
adjustment,
alteration,
service or maintenance can cause injury or
property damage. Refer to this manual. For
assistance or additional information consult a
qualified installer, service agency or the gas
supplier.
In the Commonwealth of Massachusetts this
product must be installed by a licensed plumber or
gas fitter.
Upon completion of the installation, these
instructions should be handed to the user of the
appliance for future reference.
What to do if you smell gas
• Close gas valve. Open windows.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• If you cannot reach your gas supplier, call the fire
department.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions
• Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
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Summary
6 720 607 057 2 Index Index 1 Warning 2 2 Appliance details 4 2.1 Features 4 2.2 250 SX Specifications (Technical data) 4 2.3 Dimensions and Minimum installation clearances 6 2.4 General rules to follow for safe operation 7 2.5 Proper location for installing your heater 7 2.6 Clearances 8 2.7 Mounti...
6 720 607 057 4 Appliance details 2 Appliance details 2.1 Features Parts • Touch Pad interface control • High power pre-mix compact burner with low Nox emissions • Modulating Gas Valve with constant gas:air ratio control • Modulating water valve for improved comfort and temperature control. Safety •...
6 720 607 057 6 Appliance details 2.3 Dimensions and Minimum installation clearances Fig. 5 Dimensions 1 Cover 2 On/Off switch 3 Reset button 4 LCD display 5 Program button 6 Temperature buttons Fig. 6 Minimum clearances Model 250 SX TOP (A) 12” FRONT (B) 4” BACK 0” SIDES 4” FLOOR (C) 12” VENT DIAME...
