Minimum Setpoint, Out-Of-Range, And Continuous Airflow - Carrier 20X Instruction Manual

Minimum Setpoint, Out-of-Range, and
Continuous Airflow
Minimum Setpoint Settings: ---20_F (---28.9_C), ---4_F (---20_C), or
32_F (0_C)
Out-of-Range Settings: 1.8, 3.6 or 5.4_F (1, 2 or 3_C)
Continuous Airflow Settings: ON or OFF
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1. Turn unit on and press + (plus) key.
2. Press – (minus) key.
3. Press Defrost key.
4. Check that the ! light flashes green.
5. The operator can select a minimum set point. The selections are
-20° F (-28.9° C), -4° F (-20° C), or 32° F (0° C). Press + or – key
to change setting.
6. Press the SET key to save setting. Out-of-range setting will appear
next.
7. Press the + key to increase out-of-range setting. Press the
8. Press the SET key to save out-of-range setting.
9. Check that the display shows ON or OFF. ON indicates That the
evaporator fan continues to run when the setpoint is reached for
constant air flow. OFF indicates the evaporator fan stops when box
temperature is within setpoint range.
10. Press the + or – key to change airflow option. Press the SET key
to save fan mode setting.
– key to decrease out-of-range setting.
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