Honeywell TH8320U Installation Instructions Manual page 13

Installer
Setup
Select Number
Cycles per 0260
hour (cph) for
3rd Stage
Heat
Cycles per 0270
hour (cph) for
Em Heat
Continuous 0280
Backlight
Additional 0290
Menu Choices
TH8320U AND TH8321U TOUCH SCREEN PROGRAMMABLE THERMOSTATS
Table 4. Main Installer Setup Menu. (Continued)
Factory Setting
Option Description
9 Cycles per hour (cph)
for Auxiliary Heat in
3H/2C Heat Pump
Systems
9 Cycles per hour (cph)
for Emergency Heat
0 Backlight not on
continuously.
Thermostat backlight
comes on with each
key press.
0 Only main menu
options are shown.
Installer Test Options
shown next (Table 7).
Other Choices
Options
1-12 1-12 available; typical
settings:
1—1cph for steam or
gravity system.
3—3 cph for hot water
systems or high efficiency
(90% or better) fossil fuel
forced air systems.
5—5 cph for standard
fossil fuel forced air
systems.
9—9 cph for electric
forced air heat systems.
(electric auxiliary heat for
heat pump systems).
1-12 1-12 is available; typical
settings:
3—3 cph for hot water
systems or high efficiency
(90% or better) fossil fuel
forced air systems.
5—5 cph for standard
fossil fuel forced air
systems.
9—9 cph for electric heat
systems.
1 Backlight is on
continuously (thermostat
must have a common wire
attached for this function).
1,2 1—Main Menu and
Regional Settings are
shown plus Installer Test
(Tables 5 and 7 only).
2—All remaining Menu/
Options shown plus
Installer Test (Tables 5, 6
and 7).
13
Description Comments
Only shown
if 3H/2C heat
pump system
is selected.
Only shown if
2 heat/1 cool
or 3 heat/2
cool heat
pump is
selected.
Option is
always
shown;
however,
continuously
on backlight
works only if
thermostat is
wired with 24
vac Common.
The majority
of application
require only
the Main
Menu
Options.
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