Carrier ComfortVu TB-24-HM Installation And Operation Manual page 57

Technician Settings (cont.)
P89 – De-ice in heat – cut-in temperature (AC only!)
Range: -9.5...+8°C / 15...46°F
Default: 0°C / 32°F
The outdoor unit coil temperature in which de-icing will start.
P90 – De-ice in heat – cut-out temperature (AC only!)
Range: 2...20°C / 35...68°F
Default: 16°C / 61°F
The outdoor unit coil temperature in which de-icing will stop.
P91 – Compressor delay (AC only!)
Range: 0...360 Seconds
Default: 240 Seconds
DIP Switch SW3.5 must be in "OFF" position – compressor delay enabled!
P98 – Display setpoint only (hide room temperature)
"00" - Display both setpoint and room temperatures
"01" - Display only the setpoint temperature
P99 – One or Two setpoints (for cool and for heat)
"00" - One setpoint for cooling and heating
"01" - two setpoints – one for cool and one for heat
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De-ice in heat
(°C) (°F)
De-ice in heat
(°C) (°F)
Compressor
delay
Show room Hide room
temperature temperature
One Two
setpoint setpoints