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Most Recent Honeywell T8624 Questions
Can This Thermstat Not Make The Furnace Light Even Though I Try It By Hand And I
by hand and it still will not ignight
by hand and it still will not ignight
(Posted by snowman6058 11 years ago)
Popular Honeywell T8624 Manual Pages
Owner's Manual - Page 3
... the dark. Bypass the stored program for weekdays, Saturday, and Sunday. Choose manual or automatic thermostat operation.
Program up to see if the thermostat is on subbase).
Monitor thermostat operation, read current time and room temperature at the touch of a key. Set different schedules for a single period.
Choose system and fan operating modes with the...
Owner's Manual - Page 4
... 25 Manually operating the thermostat 26 Canceling the program settings 27 Checking the program times and temperatures ... 28 Checking the current temperature setting 29
Maintaining Your Thermostat 31-34 Removing the thermostat 31 Replacing the thermostat 32 Replacing the batteries 33 Power outages 34
Glossary 35-36 Your Personal Program 37-38 Troubleshooting Guide 39-40 Chronotherm...
Owner's Manual - Page 10
... Adaptive Intelligent Recovery™, the thermostat increases the control temperature gradually and turns the equipment on and off several times to the weather, your life style, home construction and heating/cooling system.
It typically takes four to eight days after installation for the Chronotherm III Thermostat to adjust to save energy by pressing the PRESENT SETTING key.
Owner's Manual - Page 11
... show 32° F instead of the current temperature, indicating the thermostat is operating on backup batteries until the thermostat is mounted on the wallplate and the system is powered.
5 NOTE: Some models will decide how early to begin the temperature changes.
IMPORTANT
PROGRAMMING YOUR THERMOSTAT
With Adaptive Intelligent Recovery™, program the times for when...
Owner's Manual - Page 12
...sure AM or PM appears as desired.
Always press the keys with your hand. SET PR ESENT DAY/TIME
DAY
AHEAD BACK
Press and release.
Press and hold until...THERMOSTAT NOTE: Check the glossary, page 35, for definitions of unfamiliar words. You have programmed the current day and time. Sharp instruments like a pen or pencil point can program this thermostat either on to Step 2.
STEP 1 SET...
Owner's Manual - Page 13
... or not, as you please. Press and release.
PROGRAMMING YOUR THERMOSTAT
STEP 2 SET THE PROGRAM SCHEDULE AND HEATING TEMPERATURES
Before You Begin...
If display reads SAT or SUN, press and hold until MON TUE WED THU FRI appears. Note that the display
WAKE
SET HEAT/COOL
DAY
AHEAD BACK
shows WAKE and the preprogrammed time and...
Owner's Manual - Page 14
If your thermostat can switch automatically between heating and cooling, the heating temperature must be at least three degrees below the air conditioning temperature.
If the display starts to blink while you are holding down TEMPERATURE WARMER or COOLER, you have reached the setting limit. For example, if the cooling setting is 75° F, the maximum heating setting is 72...
Owner's Manual - Page 26
...or for most systems starts a few minutes after the furnace comes on. FAN AUTO: Normal setting for more efficient electronic air cleaning. It stops a few minutes after the furnace goes off...to you. STEP 4 SET THE SYSTEM AND FAN SWITCHES ON THE SUBBASE. Note the positions provided on thermostat model, some electric heat systems and with the air conditioner in heat pump systems.
FAN ...
Owner's Manual - Page 32
... hold to change the temperature setting. HOLD TEMP
WARMER COOLER
Press and release. SET PT ON HEAT
M5048
SET PT ON HEAT
M5049
PRESENT SETTING
Press and release to cancel hold.
Press and hold . It does not cancel your program.
After a few seconds, the display will show the current temperature. MANUALLY OPERATING THE THERMOSTAT
This feature is particularly...
Owner's Manual - Page 37
...
PM ROOM
HEAT ON
SYSTEM
RUN PROGRAM
SET PRESENT DAY/TIME
DAY
HOLD TEMP
SET HEAT/COOL
PERIOD
WAKE
LEAVE
SLEEP
RETURN
TIME AHEAD
TEMPERATURE
PRESENT SETTING
WARMER
SKIP NEXT PERIOD
BACK
COOLER
CHANGE TO LAST PERIOD
M3758
HEAT AUTO COOL OFF
FAN ON AUTO
M3760
HEAT AUTO COOL OFF
FAN ON AUTO
M3761
31 MAINTAINING YOUR THERMOSTAT
REMOVING THE THERMOSTAT
1 Loosen...
Owner's Manual - Page 38
REPLACING THE THERMOSTAT
1 Hang the thermostat on the tabs at the top of the subbase.
2 Swing down and press on the lower edge until the thermostat snaps into place.
3 Tighten the captive screws. HEAT AUTO COOL OFF
FAN ON AUTO
M3759
MON RETURN
PM
HEAT ON
SYSTEM
AUTO
M3757
MON MORNIMG
PM
ROOM HEAT ON
SYSTEM
RUN PROGRAM
SET PRESENT...
Owner's Manual - Page 41
... factory.
Recovery The time when the thermostat
operates the heating or cooling equipment to return the house from the energy savings temperature to run on heating and cooling costs when you 've chosen. Setback Reducing the temperature in winter for any reason.
It
sets a night program that lets you don't set period every day in the house...
Owner's Manual - Page 45
... on the subbase. Program is 45° F to power outage. Replace when necessary. Reprogram when necessary. If you use batteries, replace
with automatic heat-cool changeover, the COOL temperature setting must reprogram.
Reprogram the thermostat.
s Make sure thermostat is on . Be sure that backup batteries are installed correctly. Display will be at least 3° F above the...
Owner's Manual - Page 51
... 6
Quick reference to the keys ........ 43
RETURN 36, 43 Removing thermostat 31 Replacing batteries 33 Replacing thermostat 32
SLEEP 30,35 Saturday program .......... 12, 35, 37 Set cooling temperatures 14 Set current day 6 Set current time 6 Set fan switch 20 Set heating temperatures 7 Set program schedule 7 Set system switch 21 Setback 35 Setting limits 8,10 Setup 36 Skip 23
45
Owner's Manual - Page 53
... materials, under normal use and service, for a period of one (1) year from the date of the malfunction, and mail it, postage prepaid, to the following address: Honeywell Inc. Some states do not ... may have any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it is defective, (i) return it with a bill of sale or other rights which...
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