Robertshaw 9901i User Manual page 12

INSTALLER settings (continued)
AUXILIARY HEAT
AUXILIARY HEAT
STANDARD - COMP. =ON
The 9920i can be set to use your 2H/2C heat pump internal auxiliary heating or to use an exter-
nal add-on source. The add-on feature will be used most often when a single stage heat pump
ADD ON - COMP. =OFF
uses a gas or electric furnace as its second stage of heating.
INSTALL MENU SELECT
RESIDUAL COOL
RESIDUAL COOL
SECONDS DELAY
In order to get greater efficiency from the cooling system, the fan can be programmed to run for
60
0 (OFF), 30, 60, 90, or 120 seconds after the air conditioner has shut off.
INSTALL MENU SELECT
BALANCE POINTS
BALANCE POINTS
This screen will appear only when the optional outdoor sensor 9025i is connected to the
LOW BALANCE 45 ˚F
thermostat. When this sensor is used with the 9920i, you can set the lower temperature (below
HIGH BALANCE 95 ˚F
which the heat pump will not run) and upper temperature (above which the 2
run). This promotes efficient operation of the heating system.
INSTALL MENU SELECT
AUTO CHANGEOVER
AUTO CHANGEOVER
When turned on, the thermostat will switch automatically between heating and cooling to maintain
DISABLE
the optimal temperature in your home.
ENABLE
INSTALL MENU SELECT
22
INSTALLER settings (continued)
ENERGY EFFICIENT
RECOVERY
DISABLE
ENABLE
INSTALL MENU
AUTOCHANGE DEADBAND
3 ˚F
INSTALL MENU
ENTER SECURITY CODE
FOR INSTALLER
SETTINGS
stage heat will not
nd
0 0 0 0
INSTALL MENU
CONTACT INFORMATION
AIR EXPERTS
1-555-555-1212
BACK
ENERGY EFFICIENT RECOVERY
When turned on, the thermostat will look up to two hours before the next event and anticipate when
to turn on to reach the desired temperature.
SELECT
DEADBAND SETPOINT
Deadband is used with the AUTO CHANGEOVER feature. The deadband is the temperature
difference from the setpoint temperature during which the heating or cooling will not be turned on.
This is adjustable from 2-8°F (1.0-4°C).
SELECT
SECURITY CODE
Enter a code to prevent changes to the INSTALLER settings.
SELECT
CONTACT INFORMATION
This allows the servicing HVAC contractor to put their name and phone number into the thermostat
to remind you when service may be required.
EDIT
23