Honeywell RTH4300B Owner's Manual - Page 15

About your new thermostat, Built-in compressor protection

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ABbuoiltu-tinyocuormnperwestshoerrpmrostetacttion RTH4300B Programmable Thermostat Inside Set To 75 75 6:30 AM Wake Wed Cool On Message flashes until safe restart time has elapsed. This feature helps prevent damage to the compressor in your air conditioning or heat pump system. Damage can occur if the compressor is restarted too soon after shutdown. This feature forces the compressor to wait 5 minutes before restarting. During the wait time, the display will flash the message Cool On (or Heat On if you have a heat pump). When the safe wait time has elapsed, the message stops flashing and the compressor turns on. 13

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RTH4300B Programmable Thermostat
±3
About your new thermostat
Built-in compressor protection
Wake
Wed
Cool
On
Set To
Inside
AM
75
75
6
:
30
This feature helps prevent damage to the
compressor in your air conditioning or heat
pump system.
Damage can occur if the compressor is
restarted too soon after shutdown. This fea-
ture forces the compressor to wait 5 minutes
before restarting.
During the wait time, the display will flash
the message Cool On (or Heat On if you have
a heat pump). When the safe wait time has
elapsed, the message stops flashing and the
compressor turns on.
Message flashes until safe restart
time has elapsed.