Buderus Logamatic 2107 Installation manual

2107 Start Up
•Locate the “On/Off” button on the right front side of the control. Turn boiler
and control on by pressing “On/Off” button from right to left.
•Flip down the door on the 2107 control utilizing the tab on the left side
•Press the “1…7” button, the “Clock” button, and the “Return Arrow” button.
With these three buttons depressed, the “Installation Levels” menu.

•“LCD Test” will now be on the screen. Turn the dial two clicks to the right so
that “Reset” is on the screen. If this control has already been installed and there
is a need to erase all programming, when “Reset” is on the screen, press and
hold the “Torn page” (Enter) button that is located on the lower left side of the
control, underneath the “Suitcase” button. Hold this button down until all of the
“8’s” on the screen disappear then release the button. CAUTION: This will erase
all programming of the control. It might be necessary to check the heating
programming beforehand. Resetting the control will also change the control
back into “German” as the language selection.
•Turn the dial two clicks to the right until the language preference is shown. If
you did not reset the control, it will read “AMERICAN.” If you did reset the
control, it will read “DEUTSCH.” To change this selection, press and hold the
“Torn page” (Enter) button down and turn the dial until “AMERICAN” is
displayed. CAUTION: Do not leave this setting on “ENGLISH” as the heating
values will then be displayed in Centigrade. Release the “Enter” button when
selection has been made.
•Turn the dial one click to the right which will then display “BLR TEMP.” Press the
“Enter” button to open the submenu.
•“FREEZTEMP” will now be displayed. It will be set out of the box to 41°F. This
will have the boiler circulator cycle when the outside temperature drops below
41°F. Press and hold the “Enter” button. Spin the dial to the right to raise the
value up to 45°F or whatever temperature you desire. Release the “Enter”
button when desire temperature is displayed.

•Spin dial one click to the right. “BLDG RESP” will now be displayed. This value
accounts for the building’s insulation factor – 1 being the lowest, 2 being
medium, and 3 being the best. The factory setting is “2”. Press and hold the
“Enter” button and spin the dial to the desired setting. Release “Enter” button
when desired value is displayed.
•Spin dial one click to the right. “PUMPLOGIC” will now be displayed. This
temperature setting will dictate at what temperature the boiler must be before
the heating circulator cycles. Factory setting is 104°F. Raising this temperature
will help to raise the heat curve for outdoor reset. To change this setting, press
and hold the “Enter” button while spinning the dial. For higher temperature
systems such as baseboard, radiators, and fan coils, you should raise this setting
to these suggested values:
Heating(Type(
Suggested(Temperature(
Baseboard)
140°F)
Radiators)
120°F)
Fan)Coils)
140°F)
•Turn the dial one click to the left and “MAX TEMP1” will be displayed. This will
act as a high limit setting for the boiler. Factory setting is 176°F. Press and
hold the “Enter” button while spinning the dial to your desired setting. When
desired setting is reached, let go of the “Enter” button.

•Press the “Return Arrow” button on the control to bring you out of the “BLR
TEMP” submenu. “BLR TEMP” will now be displayed. Turn the dial one click to
the right so that “CIRCUIT 1” is displayed. Press the “Enter” button to open its
submenu.
•“REF TEMP” will now be displayed. Reference temperature is the desired heating
supply temperature when it is 14°F outside. Factory setting is 167°F. To adjust
this setting, press and hold the “Enter” button while spinning the dial until you
reach your desired setting, then let go of the “Enter” button.
!For higher temperature systems such as baseboard, radiators, and fan
coils, you should raise this setting to these suggested values:
Heating(Type(
Suggested(Reference(Temperature(
Baseboard)
178°F)
Radiators)
176°F)
Fan)Coils)
178°F)
•Spin the dial one click to the right, “REMOTE 1” will be displayed. This setting
will tell the control if there is a Buderus BFU room sensor installed or not.
Factory setting is “OFF.” To turn on, press and hold the “Enter” while spinning
the dial. Release “Enter” button when “ON” is displayed. If sensor is not
present, leave in the “OFF” position.

•Turn the dial one click to the right and “OASETBACK” will be displayed. This
setting will program the control as to what type of setback it will be working on.
Factory setting is “OASETBACK.” To adjust this value, press and hold “Enter”
then spin the dial until desired setting is displayed. Release “Enter” button at
that point.
!The different options for setback are as follows:
"Boiler Off “BLR OFF”: The heating system shuts down
completely during the night time as long as the outside
temperature exceeds the “FREEZTEMP” setting. Below the
“FREEZTEMP” setting, the circulators run in freeze protection
mode. The boiler will only fire if the water temperature drops
below 41°F.
"General Setback “SETBACK”: The heating circulators
continue operation and the boiler operates on a lower heating
curve, firing the burner as needed. This mode is general y used
when no room sensors are present and individual zones are
controlled by conventional thermostats. NOTE: This is your
most common setting.
"Room Setback “RMSETBACK”: This mode should only be
selected when a room sensor is installed and activated.
"Outside Air Setback “OASETBACK”: The heating system
(burner and heating circulators) shuts down in night mode if the
outside temperature exceeds the “FREEZTEMP” setting. If the
outside temperature drops below the “FREEZTEMP” then the
heating system operates on a setback curve. Only use this setting
if the building is not occupied at night.
•Turn the dial one click to the right and “OFFSET” will be displayed. Offset is a
shift upward or downward in the heat curve. If you wish to have higher output
from your heat curve, raise this setting between 5°-9°F. Factory setting is 0.
To change this value, press and hold the “Enter” button then spin the dial.
Release the enter button when your desired setting is displayed.

•Press the “Return Arrow” button. “CIRCUIT 1” will now be displayed. Turn the
dial one click to the right. “DHW PROD” will now be displayed. This setting tells
the control and boiler if there is an indirect water heater that they are
responsible for. The factory setting is “ON.” If you have a tank installed, leave
this setting alone. If not, press and hold the “Enter” button then spin the dial so
that “OFF” is displayed then release the “Enter” button..
•Turn the dial one click to the right. If “DHW PROD” was left on, “RECIRPUMP” will
be displayed. This setting lets the control know if there is a recirculation pump
installed on the domestic water system. Factory setting is “2” which will have
the recirc pump cycle twice an hour for three minute intervals. You can adjust
this setting from 1 through 6 intervals an hour or set it to be always “OFF” or
always “ON.” To adjust this setting, press and hold “Enter” then spin the dial
until your desired setting is displayed. Release “Enter” button at that point
•Press the “Return Arrow” button to return back to the main screen.
•Press the “Faucet” button to view the domestic hot water temperature. To
adjust setting, press and hold “Faucet” button then spin the dial until desire
temperature is displayed. Release the “Faucet” button.
Rev: 2018-04-04