Compensation For Secondary Manifold Temperature On Single Boiler; Set Switches For All Cascade Boards; Power Off All The Boards; Set Al Power Switch S1 And Dip Switch For 905Mn Managing Of Boiler X - Bosch SSB1000 SA Manual

42 | Boiler cascade
6 .2 Compensation for secondary manifold temperature
on single boiler
To compensate the temperature after the manifold an additional system
sensor and the boiler cascade controller must be activated.
• The boiler cascade controller on the first burner must be activated by
setting parameter 73 to managing boiler.
• The system sensor after the manifold must be connected to the
second burner.
6 .3

Set Switches for all cascade boards

6 .3 .1

Power off all the boards

Power off all the boards and set all the switch (S1 and dip switches).
6 .3 .2 Set AL Power switch S1 and Dip switch for 905MN Managing
of Boiler X
Set AL Power Switch S1 in ON position
Set Dip Switch with value 1
J11
OFF
S1
J8
J11
6 .3 .3 Set AL Power switch S1 and Dip switch for 905MN Dependent
boards
Set AL Power Switch S1 in OFF position
Set Dip Switch with value 2 or bigger
Dip-switch setting
ON DIP
ON DIP
ON DIP
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
ON DIP
ON DIP
ON DIP
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
ON DIP
ON DIP
ON DIP
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
6720892984 (2019/02) US ON DIP
ON DIP
1 ON 2 3 4 5 6 7 DIP 8
J8
ON
905MN
LabVision
Burner Operation
Device
Address
Stand alone burner 100
1st burner (managing) 100
2nd burner (depending) 101
6 .4

Set the Modules and Boiler Cascade Settings

6 .4 .1 Cascade of Modules: Set the address for all the modules
Boards
Set the dipswitch (as explained in paragraph "6.3.3 Set AL Power switch
S1 and Dip switch for 905MN Dependent boards" pag. 42)
6 .4 .2 Cascade of Modules: Set Number of expected Modules (to do
only in the managing of Modules)
By default the number of expected Modules are 8. If less number of
Modules are expected set the parameter (*) Number of Units. (e.g. Set 5
if the number of Modules are in total 4, including the managing board)
Menu ¨ Settings ¨ Boiler Settings (password 1200) ¨ Module
Cascade Settings ¨ (*) Number of Units
6 .4 .3 Cascade of Boilers: Set Boiler Address for all the Managing
boards
Assign the Boiler Address in the managing boards (that has the dipswitch
set to 1).
Menu ¨ Settings ¨ Boiler Settings (password 1200) ¨ Boiler Cascade
Settings ¨ (73) Boiler Address
Boiler x
Boiler Managing
Boiler Dep 1
Boiler Dep 2
6 .4 .4 Cascade of Boilers: Set Number of expected Boiler (to do
only in the managing of Boiler)
By default the number of expected Boiler are 8. If less number of Boilers
are expected set the parameter (*) Number of Boilers. (e.g. Set 3 if the
boilers in the cascade are 3, including the Managing boiler).
Menu ¨ Settings ¨ Boiler Settings (password 1200) ¨ Boiler Cascade
Settings ¨ (*) Number of Boilers
(73) Boiler Address
Managing
Dep. 1
Dep. 2
SSB