Bosch SSB120 Condensing Boiler Manuals

Manuals and User Guides for Bosch SSB120 Condensing Boiler. We have 2 Bosch SSB120 Condensing Boiler manuals available for free PDF download: Installation And Service Instructions For Contractors, Service Manual

Bosch SSB120 Installation And Service Instructions For Contractors (68 pages)

Gas Condensing Stainless Steel Boiler

Brand: Bosch | Category: Boiler | Size: 10 MB

Table of Contents
2
Key to Symbols and Safety Instructions | 3
3
Key to Symbols
3
Safety Instructions
3
General Warning
3
Product Description
4
Introduction
4
Scope of Delivery
4
Proper Use
5
Environmental Responsibility / Disposal
5
Dimensions and Connections
6
Main Components
9
Technical Data
10
Efficiency Curves
11
Regulations
13
Compliance with Standards and Regulations
13
Operating Limits of the Boiler
13
Additional Regulations for Installation in Massachusetts
13
Installation
14
Packaging and Product Identification
14
Installation Room
14
Water Chemistry Guidelines
15
Hydraulic Connection
15
Low Water Cut off
16
No Flow Test Procedure
16
High Limit Safety Switch
16
Pressure Relief Valve (PRV) ASME Approved
16
Expansion Tank
16
Pump
17
Condensate Removal
19
Electrical Connection
19
Power Supply Cable Connection
19
Access to the Electrical Terminal Strip
20
Room Thermostat Connection
20
Outside Temperature Sensor
20
Electrical Wiring Diagram
21
Gas Supply Piping
22
Connection of Gas Supply Piping
22
Gas Type Conversion
22
Venting and Air Piping System
23
General Venting and Combustion Air Piping System
24
Connecting Flue Gas Accessories
25
Installation of the Exhaust and Air Intake System
25
Vent and Combustion Air Pipe Length [For Single Boiler Installations]
28
Approved Examples of Horizontal and Vertical Venting Installation
29
Multiple Boiler
33
Commissioning (for Single Application)
34
Switching the Appliance ON/OFF
34
Setting Date and Time
34
Setting CH and DHW Setpoint
35
Boiler Information
35
Parameters List
36
Outdoor Reset
36
Adjusting and Setting CO Limits
39
Setting Frost Protection
40
Troubleshooting
40
Error Codes Are Shown on the Display
40
Lockout Errors
41
Blocking Errors
42
Errors Not Shown on Display
44
Sensor Resistance Table
44
Maintenance
45
General
45
Maintenance / Inspection Schedule for End User
45
Maintenance / Inspection Schedule for Licensed Contractor / Gas Fitter
45
Gas Leaking Inspection
45
Check Exhaust and Combustion Air Pipe System
45
Inspection of Ignition Electrode
45
Checking for Wiring and Connections
45
Burner Gasket Inspection
45
46 | Installation Schemes
46
Multiple Zone with Indirect Tank (Pump for each Zone)
46
Settings
47
Multiple Zone with Indirect Tank (Valve for each Zone)
48
Settings
49
Cascade
50
Settings
53
54 | Commissioning Log for the Appliance
54

Bosch SSB120 Service Manual (48 pages)

SSB Boiler, Gas Condensing Stainless Steel Boiler

Brand: Bosch | Category: Boiler | Size: 5 MB

Table of Contents
2
1 Key to Symbols and Safety Instructions

3
- Key to Symbols
  3
- Safety Instructions
  3
- General Warning
  3
2 Product Description

4
- Introduction
  4
- Proper Use
  4
- Start/Stop Cycle
  5
3 Boiler Components

6
4 Main Components

7
- Burner Head
  8
- Heat Exchanger
  8
- Combustion Chamber
  8
- Ignition Electrode
  8
- Low Water Cut off (LWCO)
  9
- Supply and Return Temperature Sensors
  9
- Manual Reset High Limit
  9
- Flue Temperature Sensor
  10
- Fan
  10
- Gas Valve
  10
- Venturi
  10
- Condensate Trap
  11
- Flue Pressure Switch
  11
- Pressure Relief Valve
  12
5 Control Panel (LCD Display) |

13
- LCD Display Description
  13
- Date and Time Setting
  13
- Setting Central Heating CH and DHW Setpoint
  14
- Boiler Information
  14
- Outdoor Reset (Climatic Compensation)
  15
- Parameters List
  15
6 Parameters Description |

17
- Central Heating (CH)
  17
- Parameters Description 6.1 Central Heating (CH)
  17
- Domestic Hot Water
  18
- Pump Mode and Connections
  20
- Commisioning
  
  21
  - First Operation
    21
  - Inlet Gas Pressure
    21
  - Switching from NG to LPG
    21
  - Commisioning 7.1 First Operation
    21
  - CO 2 Setting
    23
24 | Maintenance Schedule & Procedures

24
9 Electrical Supply

29
- Electrical Supply Wiring
  29
- Access to the Electrical Terminal Strip
  29
- Main Electrical Supply
  30
- Room Thermostat Connection
  30
- DHW Tank Sensor Connection
  30
- Outdoor Temperature Sensor
  30
- Supplementary Circulating Pump Relay
  30
- Electrical Wiring Diagram
  31
- Lockout Errors List
  32
- Blocking Errors List
  33
- Errors Not Shown on Display
  35

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Bosch SSB120 Condensing Boiler Manuals

Bosch SSB120 Installation And Service Instructions For Contractors (68 pages)

Table of Contents

Bosch SSB120 Service Manual (48 pages)

Table of Contents

1 Key to Symbols and Safety Instructions

2 Product Description

3 Boiler Components

4 Main Components

5 Control Panel (LCD Display) |

6 Parameters Description |

Commisioning

24 | Maintenance Schedule & Procedures

9 Electrical Supply

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