Honeywell PRO3000 Series Non-Programmable Digital Thermostat Instruction Manual
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is
blank
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is
on.
• Make sure furnace door is closed securely.
• Make sure fresh AA alkaline batteries are correctly
installed (see page 2).
Heating
• Set system switch to Heat. Make sure the temperature is
or cooling
system does
not respond
set higher than the Inside temperature.
• Set system switch to Cool. Make sure the temperature is
set lower than the Inside temperature.
• Wait 5 minutes for the system to respond.
Temperature
settings do
not change
Make sure heating and cooling temperatures are set to
acceptable ranges:
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to 37°C).
“Cool On” or
“Heat On” is
flashing
• Compressor protection feature is engaged. Wait 5
minutes for the system to restart safely, without damage
to the compressor.
“Heat On” is
not displayed
• Set the System switch to Heat, and set the temperature
level above the current room temperature.
“Cool On” is
not displayed
• Set the System switch to Cool, and set the temperature
level below the current room temperature.
Specifications
Temperature Ranges
Electrical Ratings
Heat: 40° to 90°F (4.5° to 32°C)
Cool: 50° to 99°F (10° to 37°C)
Operating Ambient Temperature
32° to 120°F (0° to 48.9°C)
Shipping Temperature
System
Voltage (50/60Hz) Running Current
Heat (1st stage) 20-30 Vac
(Powerpile) 750 mV DC
Emergency heat 20-30 Vac
0.02-1.0 A
100 mA DC
0.02-1.0 A
0.02-1.0 A
0.02-1.0 A
Auxiliary heat
Cooling
20-30 Vac
20-30 Vac
-20° to 120°F (-28.9° to 48.9°C)
Operating Relative Humidity
5% to 90% (non-condensing)
Physical Dimensions
3-13/16” H x 5-3/8” W x 1-1/4” D
97 mm H x 137 mm W x 32 mm D
7
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| General | Details |
|---|---|
| Name | Honeywell PRO3000 Series Non-Programmable Digital Thermostat Instruction Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.04 MB |

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