Robertshaw 9920i User Manual download pdf (Page 11)

INSTALLER Settings

The INSTALLER SETTINGS are set during the initial installation. They tell the thermostat how to function with your heating or

cooling equipment. The following is a brief overview and discussion of these settings.

SYSTEM SETUP

The 9901i has a furnace or heat pump system selection.

1st STAGE HEATING

The 9915i can have a gas/oil or electric first stage heating.

Choose the energy source for 1st stage heating.

INSTALL MENU

SELECT

1ST STAGE HEATING

GAS / OIL

ELECTRIC

MAIN MENU

SELECT

INSTALLER SETTINGS

MAIN MENU

SELECT

SYSTEM SETUP GAS

RESIDUAL COOL 60

LOW BALANCE 45˚F

HIGH BALANCE 95˚F

AUTOCHANGEOVER OFF

EER ON

DEADBAND 3˚F

SECURITY OFF

CONTACT INFO

SERVICE INT

REMINDER RUN

TEMP OFFSET 3.0˚F

INSTALLER SETTINGS

MAIN MENU

SELECT

SHORT CYCLE OFF

INSTALL MENU

SELECT

SYSTEM SETUP

FURNACE

HEAT PUMP

More Detailed Information on the USER SETTINGS

SENSOR SETTINGS

This screen will appear when a remote indoor sensor (9020i) is connected to the thermostat.

USE LOCAL SENSOR will disable the remote sensor and only sense from the thermostat.

AVG. LOCAL/REMOTE will take a temperature reading from both the thermostat and the remote

sensor and average the two for even temperature control. USE REMOTE SENSOR will disable

the sensor in the thermostat and only control from the remote location.

SECURITY SETTINGS

In order to prevent tampering with the program and desired settings, two levels of security are avail-

able.The first will allow only temporary changes to the temperature. It protects all other

programmed setpoints. The second will restrict changes to EVERYTHING, including temporary

changes to the temperature.

SECURITY CODE

In this screen you enter a four-digit code. Use the UP or DOWN button to change the first value,

press SELECT. The second digit will be highlighted. Repeat for all four values. And don’t forget your

code. If you do, you will have to reset the entire thermostat and that will erase all the schedules

you’ve programmed into the unit.

Changing USER Settings

About the only features you may need to change are the temperature differentials (if you desire additional comfort), and the security

settings. All the other settings probably will not need to be changed.

USER MENU

SELECT

CHANGE TEMP. ONLY

PREVENT ALL CHANGES

SECURITY

USER MENU

SELECT

SENSOR SETTINGS

USE LOCAL SENSOR

AVG. LOCAL / REMOTE

USE REMOTE SENSOR

USER MENU

SELECT

ENTER SECURITY CODE

FOR TEMPERATURE

0 0 0 0

1 2 ... 6 7 8 9 10 11 12 13 14 15

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Robertshaw 9920i User Manual Page 11

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