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Bosch CFB 840 Manuals
Manuals and User Guides for Bosch CFB 840. We have
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Bosch CFB 840 manual available for free PDF download: Servicing Instructions
Bosch CFB 840 Servicing Instructions (56 pages)
Brand:
Bosch
| Category:
Control Unit
| Size: 2.93 MB
Table of Contents
Table of Contents
2
1 Key to Symbols and Safety Instructions
4
Key to Symbols
4
Safety Regulations
4
2 Product Information
4
Determined Use
4
EU Declaration of Conformity
4
Notes on Commissioning
5
Cleaning the Control Unit
5
Product Description
5
Scope of Supply
5
Technical Data
5
Controller CFB 840
5
FM442/CMM 920 Function Module
5
3 Setting Instructions
5
Setting Instructions and Replacement Instructions for High Limit Safety Cut-Out (STB)
5
Setting and Installation of the High Limit Safety Cut-Out
5
Adjusting the High Limit Safety Cut-Out
6
Setting Instructions for Boiler Water Thermostat (TR)
6
4 Controls and Programming Unit
7
Control Unit Controls
7
Programmer Programming Unit
8
5 Modules and Their Function
9
CM431 Controller Module
9
NM482 Power Supply Module
10
Central Module ZM422
10
Burner Function
11
Heating Circuit and DHW Functions
11
FM442/CMM 920 Function Module (Accessory)
11
6 Commissioning
12
Commissioning the Programming Unit
12
New Programmer Installed in a Control Unit
12
Programmer Is Installed in Another Control Unit
12
Programmer with Set Parameters Installed in Control Unit
12
Checking the High Limit Safety Cut-Out (STB)
13
Triggering the High Limit Safety Cut-Out
13
Terminating or Cancelling the Test
13
Resetting the High Limit Safety Cut-Out
14
7 Settings
15
Adjustable Parameters and Display Data
15
Calling up the Service Level
16
Control System "Press and Turn
16
Calling up Main Menus
16
Calling up Submenus
16
Calling up and Modifying Settings
16
8 General Specification Data
16
Minimum Outside Temperature
17
Type of Building
18
Summer/Wintertime Changeover
18
Remote Adjust
19
Manual Fault Message Control
19
Automatic Maint. Message
19
Module Selection
20
9 Boiler Parameters
20
Select Boiler Type
20
Low Temperature Boilers
20
Ecostream Boilers
21
Condensing Boiler
21
Low-Temperature Boilers with Base Temperature
21
Setting the Burner Type
22
Modulating Burner
22
X Single Stage Burner
22
General Settings Regarding Boiler Parameters
23
Set up the Pump Function
23
Setting Boiler Pump Run-On Time
23
Setting the Minimum Burner Runtime
23
Selecting the Minimum Start Temperature
23
Selecting the Maximum Shutdown Temperature
24
Setting the Maximum Flue Gas Temperature Limit
24
10 Heating Circuit Data
24
Adjusting the Heating System
24
Rename the Heating Circuit
25
Setting the Low End Temperature
25
Setting the Design Temperature
25
Setting the Minimum Flow Temperature
26
Setting the Maximum Flow Temperature
26
Select the Remote Control
26
Maximum Room Influence Setting
27
Select the Type of Setback
27
Setting the Outside Stop Temperature
28
Setting Holiday Mode
28
Stopping Setback at Low Outside Temperatures
28
Setting Flow Setback
29
Setting the Room Temperature Offset
29
Automatic Adaptation Setting
29
Setting Switching Optimisation
30
Set Switch off Optimisation Time
30
Setting Frost Protection Temperature
31
Setting DHW Priority
31
Setting the Heating Circuit Actuator
31
Set the Actuator Run-Time
32
Setting the Boiler Raising
32
Setting the External Changeover
32
External Fault Message Pump
33
Screed Drying
33
Setting the Temperature Rise
34
Setting the Heat-Up Time
34
Setting the Maximum Temperature
34
Setting the Hold Time
35
Setting the Setback Temperature
35
Setting the Setback Time
35
11 DHW Data
35
Select Domestic Hot Water
35
Setting the Temperature Range
35
Selecting Switching Optimisation
36
Selecting Residual Heat Use
36
Setting Hysteresis
36
Raising the Boiler Temperature
37
External Fault Indication (WF1/WF2)
37
External Contact (WF1/WF3)
37
Thermal Disinfection
38
Setting Thermal Disinfection
38
Setting the Temperature
38
Setting the Weekday
39
Setting the Time
39
Setting Range Daily Heat-Up
39
DHW Circulation Pump
40
Selecting the DHW Circulation Pump
40
Setting Intervals
40
12 Special Parameter
41
13 Heating Curve
41
14 Relay Test 2
41
15 Carrying out an LCD Test
41
16 Fault Log
42
17 Monitor Data
42
Boiler Monitor Data
42
Heating Circuit Monitor Data
43
DHW Monitor Data
44
18 Display Version
44
19 Selecting the Control Unit
44
20 Reset
45
21 Environment / Disposal
45
22 Faults and Fault Remediation
46
23 Appendix
48
Sensor Curves
48
Setting Specific Boiler Data
50
Keyword Index
51
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