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Setting Mode to Emergency Heat
The multi-stage thermostats have have an emergency heat capability for
heat pump systems.
An E will be displayed with the heat symbol
turn off the heat pump and turn on a secondary heating source. This
mode is used to bypass the heat pump when it needs servicing or when
it cannot keep up with the heat demand.
Setting Mode to Auto Changeover
When auto changeover is active the letter A is displayed next to the
and
.
Changing from heat-to-cool or cool-to-heat is automatic. As the room
temperature changes, the thermostat will call for heating or cooling as
needed. The display will flash the heat
which system is active.
Note that the Hi/Low temperature limits are not enforced in auto
changeover mode. Auto changeover mode can be disabled as a user
option in the pop-up wizard.
Security Lockout to Protect the Settings
The buttons on the front of the thermostat can be locked with a password.
To create a password:
1. Press the
and
for 5 seconds.
You will be asked for a 4 digit password (the RS400 series
thermostats use 2 digits).
2. Each digit is set using the
move to the next digit. Press
3. The password is saved after 5 seconds.
All the front buttons are now locked out until the password is entered.
Pressing any button will cause
To unlock the buttons:
1. Push and hold the
request for password is displayed.
2. Enter the digits for the password by pressing the
buttons. Press the
move back.
3. When the correct password is set, wait for 5 seconds to unlock
the system.
4. If the wrong password is entered the display will flash -- for 5
seconds then return to normal.
Once the security has been disabled, a password needs to be
re-created to protect the settings.
. Use emergency heat to
or cool
buttons at the same time and hold them in
and
buttons. Press the
to move back.
to flash.
and
buttons for 5 seconds until the
to move to the next digit. Press
13
symbol to show
to
and
to
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