Operating Your St9520C; Choosing The Operating Mode; Overriding The Operation Without Changing The Programmes - Honeywell Y9520Z Sundial RF2 Pack 5 User Manual

OPERATING YOUR ST9520C

Choosing the Operating Mode

The operating mode may only be changed when the slider is set to the RUN position.
A symbol is shown at the Zone 1 or Zone 2 side of the display during a
programmed on period for that zone. A green INDICATOR LAMP shows when the
zone is switched ON.
Two MODE buttons are provided to select the Operating Mode and therefore how
the zones are controlled.
Each zone has four possible Operating Modes; these are OFF, AUTO, ONCE,
CONT. Pressing the MODE button for each zone scrolls round these modes in
sequence, and the display indicates which mode is currently active.
ZONE 1
• OFF mode
The zone will remain OFF.
• AUTO (Automatic) mode
The zone will be switched ON and OFF according to the zone programme.
• ONCE mode
The zone will come ON at the first programmed ON time, and go OFF at the last
programmed OFF time.
•
CONT (Continuous) mode
The zone will remain ON continuously.

Overriding the Operation Without Changing the Programmes

In AUTO and ONCE operating modes, the OVERRIDE button switches the zone ON
or OFF without altering the programme.
When the appropriate
switches the zone OFF until the next programmed ON time.
If the appropriate
switches the zone ON until the next programmed OFF time.
The LoT™ Display will provide you with information about the override.
12
(for Zone 1 and/or Zone 2)
ZONE 2
symbol is displayed, pressing the OVERRIDE button
symbol is not displayed, pressing the OVERRIDE button
ZONE 1 ZONE 2