Venstar T1900 - Manual (Page 61)

Page 13.2
Programming the Thermostat to
Operate a Dual Fuel System
Select Dual Fuel
operation*, (On), or
normal operation*, (Off).
On
Off
OFF
Setup
2 i
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
** In the case of Dual Fuel operation (Dual Fuel set to ‘ON’),
an outdoor sensor is required.
PROGRAM
MODE
MODE
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.
Adjust the Changeover
Balance Point for the
outdoor sensor** (RS2).
( 32 - 85 F, OF=no sensor)
( 0 - 30 C)
35 Setup
Outside
22
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.
13
* To see the outputs that will be energized in Dual Fuel or Normal
operation, please see the next page.
If the HP/GAS Jumper is not set for HP, then steps 21
and 22 will be unavailable (see Install Manual pg. 5.4).