
Binary input BI2:
F12 - 0
F12 - 1
Open binary input BI2 – Rated operation
Closed binary input BI2 – OFF/Frost protection
Open binary input BI2 – Rated operation
Closed binary input BI2 – Reduced operation
Note:
A Type 5257-7 Room Panel
cannot
be connected when binary input BI1 is active (re-
fer to section 6.3.3). The binary input BI2 can be used, provided a return flow sensor is not
activated.
Functions
WE
Configuration
Binary input BI1:
F05 – Potentiometer input
0
F05 - 0
F08 – Function binary input BI1
0
F08 - 0: Rated operation and OFF/Frost
protection
F08 - 1: Rated and reduced operation
Binary input BI2:
F11 – Return flow temperature sensor
1
F11 - 0
F12 – Function binary input BI2
0
F12 - 0: Rated operation and OFF/Frost
protection
F12 - 1: Rated and reduced operation
6.3.2 Switchover via room panel
The operating mode of the controller is determined at the mode selector switch on the
Type 5257-7 Room Panel:
Rated operation (day mode)
Reduced operation (night mode)
OFF/Frost protection
Functions
WE
Configuration
F05 – Potentiometer input
0
F05 - 1
F06 – Resistance range of potentiometer
0
F06 - 0 (Type 5257-7 Room Panel)
EB 5757-7 EN
23
Functions