Robertshaw 9720 - Manual (Page 38)

KEYPAD QUICK REFERENCE
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SET
FILTER
PROG/MAN
QUICKSET
LOCK
SET - Begins, saves, and advances
programming inputs
PROG/MAN - Sets thermostat to either
program or manual mode. Provides quick
return to normal operating mode from
any menu
QUICKSET - Allows quick programming by
enabling user to program all seven days at
once
LOCK - Accesses keypad “lock” and
“unlock” feature
FILTER - Accesses filter monitor
and status
SYSTEM - Accesses 5 modes of
operation: HEAT, COOL,
AUTO(changeover), EMER
(emergency heat), or system OFF
FAN -Accesses two modes of fan
operation: auto and on
Decreases or
reverses setting
on display.
AUTO FAN
MAIN DISPLAY (OFF MODE)
A few seconds after power up or RESET, the display shown
above will appear. The thermostat will be in OFF mode.
1. Press SYSTEM button to enter HEAT, COOL, AUTO*
(changeover), or EMER (emergency heat) modes of
operation.
2. Press PROG/MAN button to enter program or manual
modes. Pressing PROG/MAN returns thermostat to
main display from any menu.
*AUTO may only be entered if "AUTO CHG" was enabled during installation
and you are in PROGRAM mode. (See "CHANGING DIP SWITCH SETTINGS.")
V
V
Increases or
advances setting
on display.
SYSTEM
FAN
Symptom Remedy
Room temperature reading is If you have attached remote sensors, the thermostat will display the
inaccurate. average temperature of the activated sensors. See "INSTALLATION
INSTRUCTIONS" and "CHANGING DIP SWITCH SETTINGS".
If there are no remote sensors attached, make sure that the remote sensor
dip switch settings on the rear of the thermostat body are turned off and
the MAIN thermostat dip switch is turned on. See "CHANGING DIP
SWITCH SETTINGS."
Thermostat turns on system before my Energy Efficient Recovery (EER™) is in effect. This optional feature turns
programmed setpoint time. on the system prior to the next setpoint time to reach the temperature you
have programmed. See "PROGRAMMING"and "ENERGY EFFICIENT RECOVERY (EER™)".
Thermostat will not let me change AUTO (changeover) mode may be active. See OPERATION - Selecting
setpoint temperature above or below Changeover). AUTO will be indicated in display.
a certain point.
"CHECK FILTER" is indicated in main display. See "PROGRAMMING - Programming Filter Monitor".
Thermostat does not automatically Verify that thermostat is in PROGRAM mode and AUTO is indicated
switch from HEAT to COOL mode of in the display for proper AUTO (changeover) operation.
operation.
Auto (changeover) may have been disabled during installation.
(See "SELECTING AUTO CHANGEOVER".)
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