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69-1592–1

6

MULTISTAGE ELECTRONIC THERMOSTAT

Pub. No. 18-HD28D1-1

Table 2. Thermostat Installer Setup Options (Continued).

Installer    

Setup Number

Factory-Setting

Other Choices  

(Press 

 or  

 key to change)

Select

Display

Description

Display

Description

Minimum deadband
between heating and
cooling in auto
changeover mode

30

04

Heating and cooling
setpoints can be set no
closer than 4

°

F (2

°

C)

03 thru

10

Heating and cooling
setpoints can be set no
closer than the chosen
value:

3—3

°

F (1.5

°

C)

4—4

°

F (2

°

C)

5—5

°

F (2.5

°

C)

6—6

°

F (3

°

C)

7—7

°

F (3.5

°

C)

8—8

°

F (4

°

C)

9—9

°

F (4.5

°

C)

10—10

°

F (5

°

C)

Minimum on time (heat)

32

10

Ten-minute minimum on
time for compressor
(heating)

00 thru

15

Minimum number of minutes  
(0 thru 15) the compressor is
on during call for heat

Minimum on time
(cooling)

33

10

Ten-minute minimum on
time for compressor
(cooling)

00 thru

15

Minimum number of minutes  
(0 thru 15) the compressor is
on during call for cool

Temperature range stops
in heating

34

85

Highest heating    
sepoint setting

55 to
85

Temperature range (1

°

F

increments) of heating
stpoint setting   

Temperature range stops
in cooling

35

65

Lowest cooling     
sepoint setting

65 to
99

Temperature range (1

°

F

increments) of cooling
stpoint setting   

Temperature display
adjusment

37

00

No difference in
displayed temperature
and actual room
temperature.

3, 2, 1,
-1, -2,
or -3

3—Display adjusts to 3

°

F

higher than actual room
temperature.

2—Display adjusts to 2

°

F

higher than actual room
temperature.

1—Display adjusts to 1

°

F

higher than actual room
temperature.

-1—Display adjusts to 1

°

F

lower than actual room
temperature.

-2—Display adjusts to 2

°

F

lower than actual room
temperature.

-3—Display adjusts to 3

°

F

lower than actual room
temperature.

Minimum off time (heat)

38

05

Five-minute minimum off
time for the heating.

00 thru

15

Minimum number of minutes  
(0 thru 15) the compressor is
off between calls for heat.

Minimum off time
(cooling)

39

05

Five-minute minimum off
time for the heating.

00 thru

15

Minimum number of minutes  
(0 thru 15) the compressor is
off between calls for cool.

Cooling Droop

41

01

Cooling droop activated 00

No cooling droop

Summary of Contents for TAYSTAT 375

Page 1: ...e product is suitable for your application 3 Installer must be a trained experienced service technician 4 After completing installation use these instructions to check out the product operation CAUTIO...

Page 2: ...the mounting screws WIRING All wiring must comply with local electrical codes and ordinances Refer to Fig 3 for typical hookups A letter code is located near each terminal for identification CAUTION E...

Page 3: ...NFORMATION KEY i DECREASE TEMPERATURE SETTING INCREASE TEMPERATURE SETTING Fig 6 Thermostat key locations and descriptions SETTINGS System and Fan Settings System settings control the thermostat opera...

Page 4: ...ded off periods by providing air circulation to prevent stagnation and improved moisture removal due to increased run time Cooling Droop is most effective in mild weather conditions and during nightti...

Page 5: ...e 2 cooling cycle rate 10 03 3 3 cph recommended 2 or 5 cph not recommended 02 or 05 02 2 cph 05 5 cph System setting adjustment 12 00 Automatic changeover 01 or 02 01 Manual changeover 02 Auto Only D...

Page 6: ...4 85 Highest heating sepoint setting 55 to 85 Temperature range 1 F increments of heating stpoint setting Temperature range stops in cooling 35 65 Lowest cooling sepoint setting 65 to 99 Temperature r...

Page 7: ...cool turns off 30 Stage one cool and system fan turn off Fan Equipment System Test i 40 Change from cooling to fan equipment system test 41 Fan comes on 40 Fan turns off Key Operation System Test IMP...

Page 8: ...here Applicable Allow the outdoor temperature sensor to absorb the outdoor air for a minimum of five minutes before taking a reading With an accurate thermometer 1 F 0 5 C measure the temperature at t...

Page 9: ...ings will not change Example Cannot set the The upper or lower temperature limits were reached Check the temperature setpoints Heating limits are 55 to 85 F 13 to 29 C Cooling limits are 65 to 99 F 18...

Page 10: ...e room temperature Check cooling setpoint Set cooling setpoint to desired temperature Heating or cooling comes on momentarily and shuts off Heat or cool circuit is opening up or becoming high impedanc...

Page 11: ......

Page 12: ...Tyler TX 75711 9010 CUSTOMERASSISTANCE If after reading this guide you have any questions concerning the operation of your thermostat please call the Thermostat Customer Assistance Helpline at 1 877 8...

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