Honeywell Thermostat: YTH9421 VisionPro IAQ
Re: Installer Setup
To Enter Installer Setup:
- From the home screen, press the System key. (Press Done or Cancel key to return to home screen.)
- Five blank touch keys show on the bottom of the screen between the Done and Cancel keys. Press and hold the two blank keys on either side of the center blank key for approximately five seconds until screen changes.
Setup# |
Description |
Values |
110 |
Zone Number |
- 0 = Not Zoned
- 1 = Master Controller
- 2-9 = Satellite Stat
|
120 |
First 2 digits of Year |
|
130 |
Last 2 digits of Year |
|
140 |
Calendar Month |
|
150 |
Day of the Month |
|
160 |
Schedule Options
|
- 0=Non-Prog
- 4=Programmable
|
165 |
Energy Start Schedule |
|
172 |
System Type |
- 1=Conventional
- 2=Heat Pump
- 3=Heat only (no fan)
- E=Auto Discovery
|
173 |
Heat Pump Type |
- 0=Air to Air
- 1=Geothermal
|
174 |
Compressor Stages |
- 0, 1 or 2
- E = Auto Discovery
|
176 |
Conv / Aux Stages |
- 0, 1, 2 or 3
- E = Auto Discovery
|
180 |
Fan Operation
|
|
190 |
Reversing Valve
|
|
200 |
Backup Heat
|
|
210 |
Fossil Fuel Control |
- 0=Thermostat-controlled
- 1=External control
|
220 |
Compressor 1 CPH |
|
230 |
Compressor 2 CPH |
|
240 |
Heat 1 Cycles/Hr
|
- 1=Steam
- 3=90% Furnace
- 5=80% Furnace
- 9=Electric
|
250 |
Heat 2 Cycles/Hr |
- 1=Steam
- 3=90% Furnace
- 5=80% Furnace
- 9=Electric
|
260 |
Aux Heat CPH |
- 1=Steam
- 3=90% Furnace
- 5=80% Furnace
- 9=Electric
|
270 |
Em Heat CPH |
- 1=Steam
- 3=90% Furnace
- 5=80% Furnace
- 9=Electric
|
280 |
Backlight |
|
290 |
Additional Choices
|
- 0=Main Menu
- 1=All Choices
|
300 |
Changeover Type
|
|
310 |
Changeover Deadband |
|
320 |
Temperature Scale |
|
330 |
Daylight Savings |
- 0=Off
- 1=Old Dates
- 2=New Dates
|
340 |
Remote Temperature |
- 0=None
- 1=Remote Sensor
- 2=Average
|
342 |
Outdoor Temperature |
- 0=None
- 1=Yes
- E=Auto Discovery
|
345 |
Dual Fuel Control |
- 0=No Droop
- 1=Droop
- 2=Droop w/ Aux Lockout
|
346 |
Dual Fuel Upstage Time |
|
347 |
Dual fuel Droop Temp |
|
350 |
Compressor Lockout |
- 15, 20 ,25, 30, 35, 40 or 45
|
360 |
Aux Heat Lockout |
|
365 |
Discharge Temp Sensor |
- 0=None
- 1=Remote
- E=Auto Discover
|
366 |
Zoning High Limit |
- 0=Disabled
- 110 - 170 deg.
|
367 |
Zoning Low Limit |
|
368 |
Zone Stage Hi Limit |
|
369 |
Zone Stage Lo Limit |
|
370 |
Humidity Sensor |
- 0=Disabled
- 1=Internal
- 2=Remote
- E=Auto Discover
|
372 |
Humidification |
- 0=Off
- 1=Humidify (no frost control)
- 3=Humidify (frost control)
- 8=Desert Humidity (no frost control)
- 9=Desert Humidity (frost control)
- E=Auto Discover
|
374 |
Humidify Fan Action |
- 0=Humidify w/ Fan or Heat
- 1=Humidify Forces Fan On
- 2=Humidify Only w/ Heat
- 3=Independent Humidifier
|
379 |
Dehumidify Control |
- 0=None
- 1=Dehumidify w/ A/C
- 3=Independent Dehumidifier
|
382 |
Dehumidify Modes |
- 0=Dehum in Cool or Auto
- 2=Dehum in All Modes
- 3=Dehum in Cool, Off or Auto
|
383 |
Dehum Over-Cool Limit |
|
384 |
Dehumidify Fan Action |
- 0=Energizes Fan
- 1=No Action
|
386 |
Dehumidify Lockout |
|
390 |
Dehumidify Away Mode |
|
391 |
Away Mode Fan Action |
|
392 |
Away Mode Low Limit |
|
393 |
Away Mode Temp |
|
394 |
Away Mode Humidity |
|
400 |
Ventilation Control |
- 0=None
- 1=On at All Times
- 2=On Except Sleep
- 3=#1 w/ Lockouts
- 4=#2 w/ Lockouts
|
401 |
# of Bedrooms |
|
402 |
House Sq. Ft. |
|
403 |
Ventilation CFM |
|
404 |
Max Vent Percentage |
|
405 |
Ventilation Fan |
|
406 |
Ventilation in Humidity |
|
430 |
Ventilation Lockout |
- 0=Disabled
- 1=Lockout High Temp
- 2=Lockout Low Temp
- 3=Lockout High & Low
|
431 |
Vent Hi Temp Lockout |
|
432 |
Vent Low Temp Lockout |
|
450 |
DATS Inhibit |
|
500 |
Filter Reminder |
- 0=Off
- 1=10 Days
- 2=30 Days
- 3=60 Days
- 4=90 Days
- 5=120 Days
- 6=365 Days
|
502 |
Filter Runtime |
- 0=Counts Heat & Cool
- 1=Counts Cool Only
|
510 |
Humidifier Reminder
|
- 0=Off
- 1=90 Days
- 2=180 Days
- 3=365 Days
|
520 |
UV Reminder
|
|
530 |
Intelligent Recovery |
|
540 |
Programmable Periods
|
|
550 |
# of Weekend Periods |
|
560 |
# of Weekday Periods |
|
580 |
Compressor Delay |
|
600 |
Highest Heat Temp |
|
610 |
Lowest Cool Temp |
|
640 |
Clock Format |
|
650 |
Extend Fan Time (Heat) |
|
660 |
Extend Fan Time (Cool)
|
|
670 |
Keypad Lockout |
- 0=Unlocked
- 1=Partial Lock
- 2=Full Lock
|
680 |
Temperature Control (Heat) |
- 1=Less aggressive
- 2=Standard
- 3=More aggresive
|
690 |
Temperature Control (Cool) |
- 1=Less aggressive
- 2=Standard
- 3=More aggresive
|
700 |
Temperature Display Offset |
|
701 |
Humidity Display Offset |
|
710 |
Thermostat Reset |
- 0=No reset
- 1=Reset all options
|