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69-1049—1

5

T8501D DELUXE ZONE THERMOSTAT

Table 2. Thermostat Installer Setup Options.

a

Number 02 must be set to 01 to extend fan operation.

b

Available on select models.

Installer Setup

Number

(Press   

  key

Factory Setting

Other Choices  

(Press 

 or  

 key to change)

Actual

Select

to change)

Display

Description

Display

Description

Setting

Not used

01

Fan operation

a

02

00

Conventional applica-
tions where equipment
controls fan operation
in heat mode

01

Heat pump and electric heat
applications where thermostat
controls fan operation in heat
mode

Not used

03

Heating cycle
rate

04

06

6 cph used for
conventional systems

01, 03,  

or 09

01—1 cph used for radiant floor
heat, gravity systems
03—3 cph used for hot water
systems or high efficiency
furnaces
09—9 cph used for electric heat
systems

Not used

05 thru 11

Changeover  

12  

01

Manual changeover

00 or

02

00—Manual changeover
02—Auto only

Not used

13  

Degree
temperature
display

14

00

Temperature is
displayed in °F

01

Temperature is displayed in °C

Not used

15 thru 18  

Extended fan
operation in
heating

a,b

19  

00

No extended fan
operation after the call
for heat ends

01

Fan operation is extended  
90 seconds after the call for  
heat ends

Extended fan
operation in
cooling

a,b

20  

00

No extended fan
operation after the call
for cool ends

01

Fan operation is extended  
90 seconds after the call for  
cool ends

Not used

21 thru 23  

Outdoor
temperature
display

b

24

00

No outdoor
temperature is
displayed

01

Outdoor temperature is
displayed. Needs a C7089B1000
Outdoor Sensor to operate.

Not used

25 thru 32

Minimum off
time for the
compressor

33

05

5 minute minimum off
time for the
compressor

00, 01,

02, 03

or 04

Minimum number of minutes  
(0 thru 5) the compressor will be
off between calls for the
compressor

Heating setpoint
range stop

b

34

90

Heating setpoint can
be set no higher than
90°F

40 thru

90

Number can be set anywhere
between 40 and 90 in 1°F
increments

Cooling setpoint
range stop

b

35

48

Cooling setpoint can
be set no lower than
48°F

48 thru

99

Number can be set anywhere
between 48 and 99 in 1°F
increments

System on
indicator
(flame=heat,
snowflake=cool)
is displayed

b

36

00

LCD On symbol is
displayed when
system is energized

01

Display is disabled

Temperature
display
adjustment

37

00

No difference in
displayed temperature
and actual room
temperature

-3 thru

03

01—Display adjusts to 1°F higher
than actual room temperature
02—Display adjusts to 2°F higher
than actual room temperature
03—Display adjusts to 3°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

Содержание T8501D

Страница 1: ... 5m above the floor in an area with good air circulation at average temperature See Fig 1 Do not install the thermostat where it can be affected by drafts or dead spots behind doors and in corners hot or cold air from ducts radiant heat from sun or appliances concealed pipes and chimneys unheated uncooled areas such as an outside wall behind the thermostat Wallplate Installation The thermostat can...

Страница 2: ...power before wiring to prevent electrical shock or equipment damage 1 Loosen the terminal screws on the wallplate and connect the system wires See Fig 5 IMPORTANT Use 18 gauge color coded thermostat cable for proper wiring 2 Securely tighten each terminal screw 3 Push excess wire back into the hole 4 Plug the hole with nonflammable insulation to prevent drafts from affecting the thermostat 5 FEET ...

Страница 3: ...igure Installer Setup check System Test display outdoor temperature select models set the system operation set the fan operation See Fig 7 for the location of the keys Fig 7 Key locations and descriptions O G B C W R Y OT OT O1 T8 G1 T7 B1 T6 E1 T5 T4 M1 THERMOSTAT CHANGEOVER CONTROL OUTDOOR TEMPERATURE SENSOR OPTIONAL ZONE 1 M12187 O B G Y R W C OT OT W2 L G Y R W M6 M4 M1 THERMOSTAT TotalZone PA...

Страница 4: ...n of key presses are required to use the Installer Setup feature To enter the Installer Setup press and hold the Information i key with the increase and decrease keys until the first number is displayed All display segments appear for approximately three seconds before the number is displayed See Fig 9 and 10 To advance to the next Installer Setup press the Information i key To change a setting us...

Страница 5: ...operation after the call for cool ends 01 Fan operation is extended 90 seconds after the call for cool ends Not used 21 thru 23 Outdoor temperature displayb 24 00 No outdoor temperature is displayed 01 Outdoor temperature is displayed Needs a C7089B1000 Outdoor Sensor to operate Not used 25 thru 32 Minimum off time for the compressor 33 05 5 minute minimum off time for the compressor 00 01 02 03 o...

Страница 6: ...ess and hold the increase and decrease keys together for three seconds to exit the system test The system test will time out after ten minutes without any key presses Table 4 Installer System Test Options Continued Em HeatOffCool Auto Only Heat Cool OnAuto System Fan Room Outdoor Em Ht Temporary Setting Wait Humid Aux Ht Remote Repl Batt M4844 M6792 TEST MODE NUMBER Test Number Self Test Descripti...

Страница 7: ...s the thermo stat information 4 Press the increase key again to display the software revision number Example 001 Revision number 1 M4864 M10444 M4866 M6791 Key to Press Test Number Description Key Operation System Test IMPORTANT Test numbers will only be displayed when the system is configured for the selected function EXAMPLE Numbers 60 61 and 62 are the only numbers that will be displayed when a...

Страница 8: ...he circuit breaker is tripped reset the circuit breaker check if the system fuse is blown replace the fuse check if the power switch on the HVAC equipment is in the Off position set to the On position check wiring between thermostat and HVAC equipment replace any broken wires and tighten any loose connections If 24 Vac is present proceed with troubleshooting Thermostat microprocessor is locked up ...

Страница 9: ...eck wiring between thermostat and HVAC equipment replace any broken wires and tighten any loose connections If 24 Vac is present proceed with troubleshooting Thermostat minimum off time is activated Wait up to five minutes for the system to respond Enter Installer Setup number 33 Reconfigure minimum off time if required System selection is not set to Cool Set system selection to Cool System on ind...

Страница 10: ...69 1049 1 10 T8501D DELUXE ZONE THERMOSTAT ...

Страница 11: ...69 1049 1 11 T8501D DELUXE ZONE THERMOSTAT ...

Страница 12: ... ZONE THERMOSTAT Helping You Control Your World 69 1049 1 J H Rev 6 97 Printed in Taiwan R O C www honeywell com yourhome Honeywell Trol A Temp 57 Bushes Lane Elmwood Park NJ 07407 3204 201 794 8004 800 828 8367 Fax 201 794 1359 ...

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