9d) Position (readiness) means:
This position provides no heating, but the heating system is ready to operate. Also, it is
automatically put into the operation and maintains a room temperature of 8˚C whenever
there is a risk of frost in the living room.
10) Indication of the actual mode of operation
Window is red: normal heating program.
Window is blue: reduced heating program.
11) Override Switch
This switch is used to manually override the automatic time switch program. This means
that you can change over from normal (red) to reduced (blue) heating and vice versa. After
the next switching operation, the heating system returns to the automatic time switch
program.
Note: The override switch is operative only if;
- The program selector slider (9) is set to (9a)
- The last automatic switching operation took place more than 45 minutes ago.
12) Battery Check
This light is used to check the condition of the batteries.
Procedure: Move the program selector slider (9) upwards:
- Red lamp lights up: Batteries are still in good condition.
- Red lamp does not light up: replace batteries with new ones.
13) Operation Check
Must turn (in steps of seconds)
14) Instructions for replacing the battery
Batteries are replaced every 4 to 5 years (see also item 20).
Siemens Building Technologies/HVAC Products – RAV91 4/6
