Robertshaw 9720 - Manual (Page 17)

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10. Press SYSTEM button for opposite program (HEAT or COOL).
11. Repeat the above steps to enter the temperature settings for the
opposite season.
NOTE: When programming opposite season, remember that both
programs use the same time settings and programmable fan settings.
Review, Change, or Personalize Program
NOTE: The thermostat will not allow programs to be entered in the
OFF or AUTO modes. DO NOT program in EMER mode of
operation. Program only in HEAT or COOL modes.
1. Press the SYSTEM button until the word "HEAT" or "COOL"
appears on the right side of the display.
SYSTEM
SYSTEM
MON
HEAT
M A N U A L AUTO FAN
F
PM
MON
COOL
M A N U A L AUTO FAN
F
PM
PROGRAMMING
5. Press SET button to save second digit. The third digit will flash.
6. Press
∨ or ∧ button to enter the third (right) digit.
7. Press SET button to save third digit. "Lock” appears on the
screen and your combination is now saved.
Unlocking keypad:
1. Press LOCK button. The display will show “000.”
2. Follow steps 2-7 as listed above in “Setting your combination and
lock keypad.” If combination is correct, the word “LOCK” will
disappear from the display and the program may be changed. If
combination is not correct, the thermostat will display the word
“no” and return to normal display mode.
If, for any reason, you have forgotten your combination or are
unable to unlock the keypad, press reset button on the rear of the
thermostat. See “REMOVING THERMOSTAT FROM SUBBASE”
and “Resetting the Thermostat.” Pressing reset will erase ALL
programmed information as well as time clock and day of week.
24
RESET
SET
SET
LOCK
MON
LOCK
HEAT
AUTO FAN
F
AM
PM
MANUAL
PROGRAMMING