System Switch (Heat/Cool) - Honeywell RTH2510 Operating Manual

System switch (Heat/Cool)

CAUTION: EQUIPMENT DAMAGE HAZARD.
Do not use Cooling mode when the outdoor temperature is below 50°F (10°C).
Use the System switch to place the system in
one of the following modes:
• Cool: System is in Cooling mode.
• Off: System is off.
• Heat: System is in Heating mode.
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Programmable Thermostat RTH2510