Honeywell ZG 215VN Operation And Putting Into Service page 7

LED's
L1
In the manu settings of the operating mode selector
LED display.
L2
Both LED's light up:
"neutral"
– mixing valve stops
only red LED lights up:
"hotter"
– mixing valve opens
only green LED lights up:
"colder"
– mixing valve closes
S
there is no