Boiler Cascade Settings; Cascade Quick Set-Up - Bosch Buderus SSB Control Operations Manual

Control Operations Guide

7 Boiler Cascade Settings

7.1 Cascade Quick Set-Up

Turn power switch "OFF" on all boilers before beginning set-up of the cascade.
1. Identify which boiler in the Cascade group of boilers will be the Managing
boiler. All pertinent sensors and controls will be wired to the managing
boilers control panels (Figure 4).
2. Switch "OFF" the S4 switch on all modules except the Managing boiler
module 1, this must be on. The S1 switch is "OFF" when it is toward the left
side. See Figure 3 for locating the S1 switch on the control board.
3. Using 18/2 wire, connect all of the boilers in the cascade using the low
voltage contacts #1 and #2 on each boilers control board. Note the polarity.
4. Turn the power on to all boilers:
a. Press "Menu""Settings""Boiler Settings"
b. Using the Arrow Key pad enter the passcode "0300" to enter the
service level of the control.
c. Boiler Cascade Settings
5. Scroll to each of the following parameters and adjust the default values to
the following values:
Parameter #73 Boiler Address - Set Value to "Managing" on

Managing boiler.
Parameter #167 Number of Boilers - The amount of boilers in

the cascade.
6. Repeat steps from Step #4 and enter into the parameter menu for the other
boilers.
7. Scroll to each of the following parameters and adjust the default values:
Parameter #73 Boiler Address - Set Value to ""Dep. 1" on boiler

2, "Dep. 2" on boiler 3, etc.
Bosch Thermotechnology Corp. | 01.2020
Bosch Buderus SSB800SA | SSB1000SA | SSB1000TL Boilers | 15
Figure 3
Figure 4
Data subject to change