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Bosch
Water Heater
C 950
Installation Manual
Page 28
Bosch C 950 - Page 28
68 pages
Manual
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Installation instructions
Greentherm
6 720 805 440 (2014/11)
Fig. 31
Distance between support boards
[1]
Studs 16" (406mm) on center
Fig. 32
Leveling wall mounting bracket
Fig. 33
Mounting the heater
6720608158-64.1AL
CAUTION:
Personal injury and p
roperty damage.
▶
Appliance must b
e installed verti
cally.
6720608
1
58-05.
1AL
6720608
158-05.
1AL
27
29
Table of Contents
Main Page
Default Chapter
2
Table of Contents
2
1 Key to Symbols and Safety Instructions
3
Key to Symbols
3
Safety Instructions
3
2 FCC Rules
6
3 Appliance Details
6
Features
6
Specifications (Technical Data)
7
Unpacking the Heater
8
General Rules to Follow for Safe Operation
9
Dimensions and Minimum Installation Clearances
10
4 Installation Instructions
11
Specialized Tools
11
Introduction
11
Venting
11
Combustion Air Requirements
26
Proper Location for Installing Your Heater
27
Heater Placement and Clearances
27
Hanging Appliance on the Wall
27
Gas Piping & Connections
29
Water Connections
32
Water Quality
32
Filling the Condensate Trap
33
Domestic Hot Water Recirculation
34
Space Heating Applications
35
Measuring Gas Pressure
36
5 Electrical Connections
37
Electrical Power Supply
37
Position of the Fuses in Control Unit
37
6 Operation Instructions
38
Description LCD Display
38
For Your Safety Read before Operating Your Water Heater
39
Power
39
Temperature Selection
39
Use of Optional Remote Control Accessory (Part No. 7709003213)
40
Operation
40
Reset Button
40
Program Button
40
Locked Condition
41
7 Maintenance and Service
41
Annual Maintenance
41
Winterizing for Seasonal Use
41
Mineral Scale Build-Up
41
Condensing Heat Exchanger Unit
42
Adjusting CO2
43
Program Values
44
Control Board Diagnostics
45
8 Troubleshooting
47
Introduction
47
Burner Does Not Ignite When Hot Water Is Turned on
47
Water Is too Hot
47
Water Is Not Hot Enough
47
Low Water Flow/Pressure
47
Hot Water Temperature Fluctuates at Tap
48
Noisy Burner/Heater During Operation
49
9 Problem Solving
50
Error Code Diagnostics
50
10 Electrical Diagram
54
11 Sensor Resistance Charts
55
12 Functional Scheme
56
13 Interior Components Diagram and Parts List
57
Interior Components
57
Components Diagram
59
14 Protecting the Environment
66
15 Installer Checklist to be Completed by Installer Upon Installation
67
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