Honeywell TH8320U Installation Instructions Manual page 11

Installer
Setup
Select Number
System Type 0170
Selection
Fan Operation 0180
Reversing 0190
Valve (O/B)
Operation
Backup Heat 0200
Source
(Auxiliary
Heat)
External Fossil 0210
Fuel Kit
Cycles per 0220
hour (cph) for
1st Stage
Compressor
Cycles per 0230
hour (cph) for
2nd Stage
Compressor
TH8320U AND TH8321U TOUCH SCREEN PROGRAMMABLE THERMOSTATS
Table 4. Main Installer Setup Menu. (Continued)
Factory Setting
Option Description
1 1 Heat/1Cool
0 Conventional
applications where
equipment controls fan
operation in heat
mode.
0 O/B terminal is
energized for reversing
valve in cooling
0 Heat pump backup
heat source is electric.
1 External fossil fuel kit
is controlling heat
pump backup heat
3 Compressor Stage 1
cycles per hour (cph)
3 Compressor Stage 2
cycles per hour (cph)
Other Choices
Options
1-12 1—1heat/1cool
2—single-stage heat
pump (no aux. heat)
3—heat only (no fan)
4—heat only (with fan)
5—hot water Series 20
(3-wire or normally open
zone valves)
6—cool only
7—2 heat/1cool heat
pump
8—2 heat/2 cool
multistage conventional
9—2 heat/1cool
multistage conventional
10—1 heat/2 cool
multistage conventional
11—2 heat/2 cool heat
pump (with no auxiliary
heat)
12—3 heat/2 cool heat
pump (with auxiliary heat)
1 Heat pump or electric
heat applications where
thermostat controls fan
operation in heat mode.
1 O/B terminal is energized
for reversing valve in
heating
1 Heat pump backup heat
source is fossil fuel.
0 No external fossil fuel kit
is controlling heat pump
backup heat. This thermo-
stat controls the backup
fossil fuel heat with
outdoor sensor (C7089U).
1-6 1-6 available;
3 is recommended.
1-6 1-6 available;
3 is recommended.
11
Description Comments
Available
options and
defaults vary
by thermo-
stat. System
selection
automatically
modifies
some default
settings and/
or hides other
Installer Set-
up options.
Only shown if
conventional
system is
selected. If
heat pump is
chosen, fan
defaults to
electric.
Only shown if
heat pump
system is
chosen.
Only shown if
2 heat/1 cool
or 3 heat/2
cool heat
pump is
chosen.
Only shown if
fossil fuel is
chosen as
backup heat
source.
—
Only shown if
two stages of
cool are
selected.
69-1706