Ii.12.C) Room Regulator; Ii.12.D) Valve 1 And 2 - TECH ST-707 User Manual

significant impact on the fan operation.
II.12.b) Power coefficient
Fuel feeding coefficient is intended to optimize the feeder operation so as to
ensure that fuel is fed to the furnace in proper quantities. This function allows
setting the percentage increase or decrease of fuel being supplied.
Once the proper fuel size is selected in the main menu it is possible, by using
the coefficient, to adapt precisely the fuel quantity to be fed by the feeder to
the furnace.

II.12.c) Room regulator

Controller ST-707 Rotations Control can be connected to room
regulator ST-208 (additional option). This regulator is an extended
device, allowing to control several parameters at the same time. The user
has the opportunity to change the set temperature of the boiler and the
mixing valves. An additional advantage of the device is the weekly
heating program and the parental lock protecting against unwanted
changes in the settings.
After activation of the TECH Regulator options on the main screen
of the controller at the top part of the display, the letter "P" will appear.
Flashing letter
temperature is reached in the flat, "P" will glow permanently.
NOTE: No external voltage may be connected to the output of the room
regulator.

II.12.d) Valve 1 and 2

NOTE Controlling the valve is possible only after purchasing an
additional ST-61 control module and connecting it to the controller, which
is not included to the room regulator as a standard feature. Two ST-61
modules should be connected to control two valves.
This option is used to set the operation of the mixing valve. To make
sure that the valve works properly in accordance with the user's
"P" means the room is underheated; when the set
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