69-1591–1
5
ELECTRONIC HEAT PUMP THERMOSTAT
Pub. No. 11-HD28D2-1
INSTALLER SETUP
NOTE:
For most applications, the thermostat factory
settings do not need changing. Review the
Factory Setting column in Table 2 and if no
changes are necessary, go to the Installer
System-Test section.
Use the Installer Setup to customize the thermostat to
specific systems. Some of the options include temperature
display, changeover, minimum equipment on time and
minimum off time. Installer Setup numbers are listed in
Table 2. It includes all the configuration options and the
factory-settings available for the TAYSTAT 575.
IMPORTANT
The Installer Setup must be set correctly for the
HVAC equipment, thermostat and subbase to
operate properly.
A combination of key presses are required to use the
Installer Setup feature:
1. To enter the Installer Setup, press and hold the
Information
i
key and the increase
▲
and
decrease
▼
keys until the first number displays. All
display segments appear for approximately three
seconds before the number displays. See Fig. 8
and 9.
2. To advance to the next Installer Setup, press the
Information
i
key.
3. To change a setting, press the increase
▲
or
decrease
▼
key.
4. To exit the Installer Setup, press and hold the
Information
i
key until the display returns to
normal (approximately three seconds). The display
scrolls the numbers backward to get to the normal
display. The Installer Setup is automatically exited if
no key presses are made for five minutes.
Fig. 8. Display of all LCD segments.
Fig. 9. Display of installer setup and setting.
NOTE:
Only configurable numbers are shown.
Em HeatOffCool Auto Only
Heat Cool
OnAuto
System
Fan
Room
Outdoor
Em Ht Temporary Setting
Wait
%Humid
Aux Ht
Remote
Repl
Batt
M4844
Table 2. Thermostat Installer Setup Options.
M10105A
INSTALLER SETUP
NUMBER DISPLAY
(COLUMN 2 OF TABLE 2)
FACTORY SETTING OR
OTHER CHOICE DISPLAY
(COLUMN 3 OR 5 OF TABLE 2)
Installer
Setup Number
Factory-Setting
Other Choices
(Press
▲
or
▼
key to change)
Select
Display
Description
Display
Description
Number of compressor
stages
03
01
2 heating staes and 1
cooling stage (2H/1C)
02
3 heating stages and 2
cooling stages (3H/2C)
Compressor 1 heating
cycle rate
04
03
3—3 cph recommended
5, 6 or 9 cph—not
recommended
05, 06
or 09
05—5 cph
06—6 cph
09—9 cph
Compressor 2 heating
cycle rate
05
03
3—3 cph recommended
5, 6 or 9 cph—not
recommended
Auxiliary heating cycle
rate
06
05
5—5 cph recommended
3, 6 or 9 cph—not
recommended
03, 06,
or 09
03—3 cph
06—6 cph
09—9 cph
Em. Ht. cycle rate
07
05
5—5 cph recommended
3, 6 or 9 cph—not
recommended
Stage 1 cooling cycle rate 09
03
3—3 cph recommended
2 or 5 cph—not
recommended
02 or
05
02—2 cph
05—5 cph
Stage 2 cooling cycle rate 10
03
System setting
adjustment
12
00
Automatic changeover
01
01—Manual changeover
02—Auto Only
