Honeywell T8090T Support Question
Honeywell T8090T Support Question
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Question posted by jmielke32828 on October 24th, 2013
Replacement Stat For T8090t1003
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Current Answers
Related Honeywell T8090T Manual Pages
Owner's Manual - Page 1
Zone Thermostat
Heating/Cooling Thermostat and Subbase or Wallplate Model T8090T
OWNER'S MANUAL
69-0432-1
Owner's Manual - Page 2
...provide a high level of comfort plus energy savings when programmed according to the instructions in this control is replacing a control that contains mercury in a sealed tube, do not place your local waste management authority for ...sealed tube. Do not place control in a sealed tube. Your new thermostat will automatically control the temperature in your new Honeywell Trol-A-Temp Zone®...
Owner's Manual - Page 3
Table of Contents
PAGE
Features of Your Thermostat ...4 Setting the Temperature ...7 Inserting Clock Batteries ...8 Setting the Clock ...9 Programming ...11 Troubleshooting ...15 Servicing the Thermostat ...21
Heat Anticipator Setting ...21 Thermometer Adjustment ...22
3
69-0432-1
Owner's Manual - Page 4
Provides accurate room
temperature reading.
4 CLOCK. Controls high
and low temperature at specific time of Your Thermostat
1
2
M8693 3
1 FLIP-UP COVER. Turn minute hand clock- right (red mark) controls the high tempera-...) controls the low temperature; Arrow head indicates
time for energy savings and normal temperature periods.
2 THERMOSTAT COVER.
3 THERMOMETER. ture.
4
69-0432-1
Owner's Manual - Page 8
... POSITIVE ENDS UP
M7188
Fig. 2-Inserting clock batteries.
8
69-0432-1
Install batteries in thermostat as shown in Fig. 2. Inserting Clock
Batteries
Power is supplied to the clock by two AAA alkaline batteries (included). Once a year or when batteries are dead, replace with two new AAA alkaline batteries. We recommend Energizer® batteries.
Owner's Manual - Page 9
... dial. MINUTE HAND
TIME INDICATOR ARROW
M8561
Fig. 3-Setting the clock.
9
69-0432-1 DO NOT reverse the
minute hand.
wise
direction. Setting the Clock
Lift thermostat flip-up cover and you'll find
the 24-hour program dial, slotted in a clock-
For 11 AM, the arrow will point to the current...
Owner's Manual - Page 11
... the program dial (Fig. 4) are for the program pins, which can program your program
■ To insert a pin, push it is preprogrammed. A red
PROGRAM PINS
THERMOSTAT COVER
PROGRAM PIN SLOT PROGRAM INDEX WHEEL
MANUAL PROGRAM ADVANCE BUTTON
PROGRAM PIN STORAGE
TIME INDICATOR ARROW
M8692
Fig. 4-Program components.
11
69-0432-1 A heating...
Owner's Manual - Page 15
If blown or tripped, replace fuse or reset breaker.
-furnace power switch. Zone damper may be Off. May be ...-heating equipment for assistance.
(continued) 69-0432-1
Repair any frayed or broken wires. Troubleshooting
Your Honeywell Trol-A-Temp® Thermostat requires little or no attention. Firmly tighten all terminal screws.
-airflow at register. May be closed.
15
If damper is...
Owner's Manual - Page 16
... improperly. rooms.
Temperature change -program pins for assistance.
(continued)
16
69-0432-1 Contact a qualified service technician for correct time occurs at register. levers.
-position of thermostat setpoint Reset to desired operating position.
-air flow at the wrong locations. time.
Energy saving
-program dial for proper day or
temperature program night phase...
Owner's Manual - Page 17
...
HEATING-Make sure zone 1 system switch is set at HEAT and fan switch is set at AUTO. Move temperature setting levers on the appropriate zone thermostat 5° F [3° C] above room temperature. damper should start ; Heating should open . Move temperature setting levers on the appropriate zone...
Owner's Manual - Page 18
... hookups. Located outdoors and may be closed , contact a qualified service technician for proper operation.
-thermostat connections.
-airflow at register.
Check for assistance.
(continued) 69-0432-1 Zone damper may be ...wires.
If damper is blown or breaker tripped, replace or reset. Troubleshooting (continued)
PROBLEM No cooling. 2
CHECK
-system switch. May be turned Off...
Owner's Manual - Page 19
... Troubleshooting section has not solved the problem, call a qualified Trol-A-Temp® customer service at or service technician, 1-800-828-8367 for cause and action.
Thermostat setting and thermometer reading disagree. Contact qualified service technician for drafts or radiant heat.
-calibration of thermometer. Use a spirit level.
-area around...
Owner's Manual - Page 20
... limit switch.
4. Short in clock power supply wiring. 2. System transformer used to power 1. Spring fingers on thermostat are 1. Replace the thermostat.
20
69-0432-1 contact.
2. Restore power.
2. Replace transformer.
1. Additional (separate) transformer used to power the clock has inadequate voltage.
2.
POSSIBLE CAUSE CHECK
ACTION
1. Use additional (separate...
Owner's Manual - Page 21
MOVE INDICATOR TO 0.1A
M8596
Fig. 6-Heat anticipator setting.
21
69-0432-1
Servicing the Thermostat
Heat Anticipator Setting The T8090T Thermostat has an adjustable
heat anticipator that was factory-set at 0.1A. The heat anticipator must be set at 0.1A for proper system operation. See Fig. 6.
Owner's Manual - Page 22
... reading do not agree, follow the procedure below. Remove the thermostat cover and open the flip-up cover. Set the thermostat cover on
it.
INSERT AND TURN SCREWDRIVER
If the readings are the same, replace the cover and put the
system into operation. Replace thermostat cover and put the system into operation. Be careful SLOT...
Owner's Manual - Page 23
If you call, please have questions regarding the installation and programming of
your Honeywell Trol-ATemp® Thermostat, please contact a Trol-A-Temp® customer servoce re[resentative at 1-800-
828-8367. Before you have the following information available: Make and model of your furnace, old thermostat and air conditioner.
23
69-0432-1
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