Buderus Logamatic 2107 Installation And Service Instructions

7.1 System frost protection
The controls is equipped with a system frost protection function.
If the outdoor temperature drops beneath the frost protection limit, the heating
system pump (contacts 61/63) will be started.
The factory default for the frost protection limit is an outdoor temperature of
41°F (5°C).
The setting applies to all heating circuits.
Changing the system frost protection
+
Press the "Display" key and "Install" key at the same time to call up the service
level. "AMERICAN" appears as the first main menu.
Turn the dial until "BLR TEMP" is shown.
Press "Display" to call up a submenu.
"FREEZE TEMP" appears.
+
Hold down the "Display" key and turn the dial until the desired value
appears (in this case "41°F").
Release "Display" to store your input.
Press "ENTER" to return to the next higher level.
41
FREEZE TEMP
°F
43
FREEZE TEMP
°F
USER NOTE
The value of the "OASETBACK" setback type is also limited to the freeze
protection limit. The setting applies to all heating circuits.
Input range Factory setting
System frost protection -4°F – 50°F (-20°C – 10°C) 41°F (5°C)
Logamatic 2107 controls - We reserve the right to make any changes due to technical modifications.20
5
4
General data
7

Buderus Logamatic 2107 Specifications

General

Category	Control Systems
Type	Heating Control Unit
Voltage	230 V
Frequency	50 Hz
Protection class	IP20
Ambient temperature	0°C
Application	Heating systems