Carrier TP-NRH-A Thermometer User Manual


 
41
Option 34 Hybrid Heat Furnace Latch
This selection allows a Hybrid Heat system to finish a heating cycle using the
furnace.
On Once the furnace is on, it will finish the heating cycle with the furnace. If a
heat pump defrost occurs, the heating cycle will finish with the furnace.
OF The system will stage from furnace back to heat pump if heating demand
dictates, or 2 minutes after a defrost has ended.
Default is On.
Option 40 — Humidify Fan
This selection controls whether humidification can only be done when a heating
demand is present. If the homeowner turns humidification OFF, this
configuration operates as if the selection was set to OFF.
OF The humidity output will only energize when there is a humidity demand
and the heating equipment is energized.
On The humidity output and the fan will energize anytime humidification is
needed during heating mode regardless of the state of the heating equipment.
Factory default is OF (Off)
Option 41 — Variable Speed Blower
This selection allows the installer to select between a single speed or variable
motor. In a system with a two speed compressor (A2, h2, H2), if a
dehumidification demand exists and the compressor is energized for cool to
dehumidify, cooling, or both, and the system has a PSC blower (Option 41 =
OFF), then both Y/Y2 and Y1/W2 are energized.