Carrier TP-NRH-A Thermometer User Manual


 
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Control to automatically change between heating mode and cooling mode when
sufficient demand for heating or cooling exists.
On — Auto mode is available.
OF — Auto mode is not available.
Default is On.
Option 16 — Maximum Cycles Per Hour
This selection limits the number of cycles per hour that the Thermidistat Control
allows the system to operate. Selections are 2, 4, 6.
2 — The heating and cooling outputs will be energized no more than 2 times per
hour. When an output is energized, it will not be energized again for 30 minutes.
4 — The heating and cooling outputs will be energized no more than 4 times per
hour. When an output is energized, it will not be energized again for 15 minutes.
6 — The heating and cooling outputs will be energized no more than 6 times per
hour. When an output is energized, it will not be energized again for 10 minutes.
Default is 4.
Option 17 — Time Between Equipment Stages
This selection is only available for heat pump systems. This determines the
minimum number of minutes of equipment operation on the highest compressor
stage before allowing the transition to auxiliary heat. Available selections are 10,
15, 20, and 25. The time between stages of any individual piece of equipment,
such as low speed and high speed compressor or fan coil stages, will be fixed at
10 minutes.
Default is 15.