Setting Ch And Dhw Setpoint; Boiler Information - Bosch SSB255 Installation And Service Manual

Entering in "Time Zone Settings" menu it is possible to set the time zone
parameter as shown in the following figure:
Time Zone Settings
Time Zone Correction
Daylight Savings Time
Fig. 54
To modify the visualization of the date and time value, entering in the
"Display Settings" menu it is possible to change the following features:
Display Settings
Time Notation
Date Order
Day Of Month
Month
Fig. 55
Display Settings
Year
Date Separation Character
Day Of Week
Seconds
Fig. 56
5 .3

Setting CH and DHW setpoint

To change the CH and DHW setpoint in the "Central Heating" and
"Domestic Hot Water" menu, press "menu" select [see "Fig. 57" below]
use UP/DOWN arrows to choose parameter and select by pressing the
"OK" button. Once selected use the right arrow key to highlight the value,
and use the UP/DOWN arrow to change selected value. Press "OK" to
confirm/save new value.
Menu
Central Heating
Domestic Hot Water
Information
Settings
Fig. 57
Menu
Central Heating
Domestic Hot Water
Information
Settings
Fig. 58
SSB
UTC +00.00
Disabled
24h
DMY
2Digits
2Digits
4Digits
"-"
Short Text
No
Commissioning (for single boiler application) | 35
CH setpoint cannot be changed when outdoor reset function
m
is enabled. See section "5.5 Parameters list" for detailed
instructions regarding outdoor reset.
The DWH setpoint can only be changed, when the DHW
function is enabled. See section "5.5 Parameters list".
It is possible to change the CH and the DHW setpoint directly from
the first display page; logically the change of the two setpoint must to
be enabled: when the text in the lower left side is "CH Setpoint" press
the "RIGHT" button. The value shown in the lower right side will be
highlighted; using the "UP/DOWN" keys it is possible to change the value.
Once assigned the value desired press the "RIGHT" button. The new
value will be stored. To change the DHW setpoint press the "UP/DOWN"
keys. The string in the lower left side will change in "DHW Setpoint". Now
it is possible to change the DHW setpoint in the same way in which we
described the other operation.
70.0°F
DHW Setpoint
Fig. 59
5 .4

Boiler information

To show in the screen the most important system information press
"menu" button and select "Information" using the "UP/DOWN" keys.
Menu
Central Heating
Domestic Hot Water
Information
Settings
Fig. 60
Press "OK" and the screen below will appear:
Information
Software Versions
Boiler Status
Fig. 61
Selecting "Boiler Status" and pressing "OK" for the following values:
• Flow Temperature
• Return Temperature
• DHW Temperature [Sensor must be connected to show a value. If
not, the default value will appear]
• Outside Temperature
• Flue Temperature
• System Temperature [Sensor must be connected to show a value. If
not, the default value will appear]
• Fan Speed
• Ionization
04:29 pm
120.0°F
6720818454 (2016/02) US