Page 12.2
Viewing the Heat Pump and
Reversing Valve Jumper Settings
Indicates that the
thermostat jumper
is set for an
O
reversing valve
(energize in cooling)
or a
b
reversing valve
(energize in heating).
O
I9
Setup
Press the PROGRAM button to leave the Setup screens. If no buttons are
pressed, the display will leave the setup screens after 30 seconds.
PROGRAM
Press
MODE
Press
PROGRAM
MODE
MODE
Steps 18 and 19 are ‘Read Only’ and may only be set with the
jumpers on the circuit board of the thermostat (
see page 5.4 of
the Installation Instructions
).
ON
= Heat Pump
operation
OFF
= Gas Electric
operation
I8
Setup
OFF
Press the MODE button. While holding
the MODE, press the PROGRAM
button to enter Setup screens.
Press the MODE button repeatedly
until this setup screen appears.
Note: Press the
MODE
button momentarily
to move through the
setup screens. Press
and hold the
MODE
button to move back-
wards through the
setup screens.
12
Summary of Contents for T1 900
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