Baxi LINA 3 COMFORT HT Instruction Manual page 80

Table summarising the combination of the AMBON-RMOD and EXT T functions (external probe)
AMBON RMOD OUTDOOR
0 - Disconnected Flow temperature adjustment
0 - connected
1 1 Disconnected Ambient temperature adjustment (modulating flow temperature)
1 - connected
1 0 Disconnected Ambient temperature adjustment (fixed flow temperature)
INSTRUCTIONS FOR FITTERS
BUTTON FUNCTIONS +/-
sensor
Comfort temperature adjustment
Ambient temperature adjustment (modulating flow temperature)
80
926.420.3 - EN