Settings - Bosch BUDERUS SSB120 Installation And Service Instructions For Contractors

(*) NOTICE: The maximum amp load for each pump (in
addition to the boiler pump) is 1 A when 1 or 2 pumps are
connected. For this reason, if the power consumption of
each pump is higher than 84 watt, use a relay as shown in
figure.
► The low voltage connections for "Managing boiler" are:
Terminal Number . Device
1-2 Cascade link
7-8 Outdoor air sensor (optional)
9-10 DHW tank sensor or Tank Thermostat (Aquastat)
11-12 Room thermostat
13-14 Supply sensor
► The low voltage connections for "Dependent boiler" are:
Terminal Number . Device
1-2 Cascade link
► The high voltage connections for "Managing boiler" are:
Terminal Number . Device
104-105-106 CH pump
107-108-109 DHW tank pump
SSB
8 .3 .1

Settings

Set the parameters as indicated in the following table (for the parameter
list see section "5.5 Parameters list"):
No . Description Value
0
Central Heating
1
Mode
1
2 Mod Pump Mode 2
0
1
35 DHW mode
2
If CH mode is set to 1 and an outdoor air sensor is present, set the reset
curve parameter as follows (to set these values see also section "5.6
Outdoor reset"):
No . Description
19 Design Supply Temp
20 Design Outdoor Temp
21 Baseline Supply Temp
22 Baseline Outdoor Temp
23 Design Supply Min Limit
24 Design Supply Max Limit
25 Warm Weather Shut down
Installation schemes | 53
Comment
Outdoor air sensor not present
Outdoor air sensor present. Reset
curve activate
Enabled CH pump and DHW pump
No indirect sanitary water installed
Indirect sanitary water with sensor
Indirect sanitary water with tank
thermostat
Value (°F)
180
25
104
70
40
180
68
6720818456 (2018/06) US