49-5000355 Rev. 2 27
Things that are normal
Normal Operating Sounds
You may hear a pinging noise caused by water
being picked up and thrown against the condenser
design feature helps remove moisture and improve
You may hear relays click when the controls cycle
Water will collect in the base pan during high
and drip from the outdoor side of the unit.
operating in the cooling mode, unless the Smart
the fan to cycle on and off with the compressor.
You may also hear a fan noise stop and start.
system is set up to be in continuous fan the indoor
fan will run regardless if the unit may be cooling or
heating. Other times the fan will run longer than
system, fans will run continuously.
Digital makeup air unit will perform a system check
upon power up, power cycle, and once every 7
time the fans will speed up, slow down and then go
to the set point.
You may notice a few minutes delay in starting if
restart protector for the compressor that causes
a 3-minute delay.
During the defrost cycle, both indoor and outdoor
fans stop and the compressor will operate in the
cooling mode to remove frost from the outdoor coil.
After defrost, the unit will restart in electric heat to
quickly warm the room to the desired comfort level.
cycling, the unit is designed to run for a minimum
of 3 minutes after the compressor starts at any