Robertshaw 9820I - Manual (Page 7)

How do I cycle the fan?
From the main screen press MENU.
Use the UP or DOWN buttons until FAN is highlighted. Press SELECT.
Use the UP or DOWN buttons to highlight FAN settings.
Press SELECT.
How does INTERMITTENT FAN work?
INTERMITTENT will turn the fan on for a set period of time for a
given interval.
The thermostat will cycle the fan on for the set ON cycle. The fan will remain off for the set OFF cycle.
If the HVAC system runs for a longer period than the ON cycle, the OFF cycle will start counting over
again when the system shuts off.
7
MONDAY 3:29 PM
78.
1
HOLD TEMP
30%RH
MENU
COOL
FAN AUTO
SET AT 78
MENU
DAY / TIME
HEAT / COOL
PROGRAM
FAN
HOME SELECT
MORE
MAIN MENU SELECT
FAN MENU
FAN SETTINGS
FAN PROGRAM
FAN MENU SELECT
ON  TIME  5 MIN
INTERMITTENT FAN
OFF  TIME 20 MIN
MAIN MENU SELECT
FAN SETTINGS
ON
AUTO
INTERMITTENT
Three choices are available:
ON will turn the fan on continuously.
AUTO will turn the fan on only
when there is a call for heating
or cooling.
INTERMITTENT will turn the fan
on for a set period of time for a
given interval. Highlight the choice
you desire and press SELECT.