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©2022 Micro-Air Corp
March 21, 2022, revision 1.0
Operational Modes
All modes operate the overhead fan and/or a heating or cooling cycle based on the current
heating or cooling setpoint, relative to the inside temperature.
Fans and Fan Only Mode
This mode lets the fan to operate based on the chosen
This will circulate the air without operating any heating or cooling cycles.
Cool Only Mode
This mode only runs a cool cycle to maintain the cooling set-point in the
button to Cool Only and the desired
, where behavior will then be based on
Environment
Cycle Operation
Auto Fan Operation
Inside
≤
Setpoint
None
Off
Inside 1° Above Setpoint
Compressor #1 On
On Low
Inside 2° Or More Above Setpoint
Compressor #1 and #2 On
On High
Inside Returns 1° Below Setpoint
Compressors Off
Runs 45 More Seconds, Off
Table 5 - Cool Only Mode Operation
operation may be different based on the Gap settings. See section
Heat Pump Only Mode
This mode only runs an electric, overhead, heat pump heating cycle to
maintain the heating set-point in the space. Set the
to Heat Pump Only and the desired
, where behavior will then be
based on
Environment
Cycle Operation
Auto Fan Operation
Inside
≥
Setpoint
None
Off
Inside 1° Or More Below Setpoint
Compressor #1 And #2 On
On High
Inside Returns 1° Above Setpoint
Compressors Off
Runs 45 More Seconds, Off
Table 6 - Heat Pump Only Mode Operation
operation may be different based on the Gap settings. See section
for details.
Note: All heat modes are subject to
Auto Gas Changeover Operation when enabled. See section
in
Furnace Only
This mode only runs an auxiliary heating cycle to maintain the heating set-
button to Furnace Only or Aqua
, where behavior will then be based on
Fan Only Mode
Fan Speed
Cool Only Mode
Heat Pump Only Mode
Furnace Only Mode
