Honeywell PRO3000 Series User Manual

PRO
3000 Series
Non-Programmable
Digital Thermostat
User Guide
Read and save these instructions.
For help please visit yourhome.honeywell.com
Temperature adjustment
Press the up or down buttons until you reach
the desired temperature.
NOTE: Make sure the SYSTEM switch is set to
the system you want to control (Heat or Cool).
Fan Switch is used to control your fan.
In “Auto” mode, the fan runs only when
the heating or cooling system is on.
If set to “On,” the fan runs continuously.
Thermostat controls
System switch is used to control your heating
or cooling system.
• Cool: Cooling system control.
• Off: All systems off.
• Heat: Heating system control.
• Em Heat: Emergency & Auxiliary Heat
control. Compressor is locked out.
(Select models only.)

Honeywell PRO3000 Series Specifications

General

Stages of Cooling	1
Power Source	Battery or Hardwired (24 VAC)
Voltage	24 VAC
Terminal Designations	R, C, W, Y, G
Battery Type	2 x AA Alkaline

Summary

Thermostat Controls Overview

Temperature Adjustment

Allows users to set the desired temperature by pressing up or down buttons.

Fan Switch Functionality

Controls fan operation: 'Auto' for system-controlled, 'On' for continuous.

System Switch Modes

Selects system operation: Cool, Off, Heat, or Em Heat for heating/cooling control.

Thermostat Display and Protection

Display Screen Elements

Shows current inside temp, set temp, and system status indicators like 'Cool On' or 'Heat On'.

Built-in Compressor Protection

Protects compressor by enforcing a 5-minute wait time before restarting after shutdown.

Maintenance and Troubleshooting

Battery Replacement Procedure

Replace batteries when 'REPLACE BATT' warning appears or annually for backup power.

Troubleshooting: Display Blank

Check power sources: circuit breaker, system power switch, furnace door, and battery installation.

Troubleshooting: System Not Responding

Verify system switch, temperature settings, and allow 5 minutes for response.

Advanced Troubleshooting and Support

Troubleshooting: Temperature Settings

Ensure temperature settings are within acceptable ranges for heating and cooling.

Troubleshooting: Flashing Status Lights

Flashing 'Cool On'/'Heat On' indicates compressor protection; wait 5 minutes.

Troubleshooting: Status Not Displayed

Check system switch and temperature settings for correct display of 'Heat On' or 'Cool On'.

Product Support and Safety Warnings

Customer Support Channels

Get help via website yourhome.honeywell.com or by calling 1-800-468-1502.

Outdoor Temperature Cooling Limit

CAUTION: Avoid operating cooling below 50°F (10°C) to prevent equipment damage.

5-Year Limited Warranty

Warranty Coverage Details

Covers defects in workmanship/materials for 5 years. Details on return, replacement, and limitations.