7
1 Press and hold
CENTER
and buttons for
approximately 3 seconds to enter advanced
menu.
2 Press
Select
to enter
ISU
.
3 Press
Select
to cycle through menu setup
options.
4 Press or to change values or select
from available options.
5 Press
Select
and confirm your settings or
press
Back
to ignore changes and return
to ISU menu screen to continue editing
another setup option.
6 To finish setup process and save your
setting, press
Home
and return to Home
screen.
NOTE:
A complete list of all setup (ISU)
parameters and options starts below and
continues through page 10.
Installer setup (ISU)
Advanced setup options (ISU)
NOTE:
Depending on system settings, not all options may be available.
# ISU
ISU Name
ISU Options (factory default in bold)
120
Scheduling Options
0 = Non-Programmable
2 = 5-2 Programmable
3 = 5-1-1 Programmable
4 = 7-Day Programmable
125
Temperature Indication Scale
0 = Fahrenheit
1 = Celsius
130
Outdoor Sensor
(TH6320 / TH6220 only)
0 = None
1 = Wired Outdoor Sensor
200
Heating System Type
1 = Conventional Forced Air Heat
2 = Heat Pump
3 = Radiant Heat
5 = None (Cool Only)
205
Heating Equipment Type
Conventional Forced Air Heat:
1 = Standard Efficiency Gas Forced Air
2 = High Efficiency Gas Forced Air
3 = Oil Forced Air
4 = Electric Forced Air
5 = Hot Water Fan Coil
Heat Pump:
7 = Air to Air Heat Pump
8 = Geothermal Heat Pump
Radiant Heat:
9 = Hot Water Radiant Heat
12 = Steam
218
Reversing Valve O/B
0 = O (O/B in Cool)
1 = B (O/B in Heat)
220
Cool Stages / Compressor Stages
200=Conv / 200=HP
(TH6320 / TH6220 only*)
0,
1
, 2*
