Carrier C4H5S Installation Instructions Manual page 8

C4H5S, H4H5S, T4H5S: Installation Instructions
valve will remain energized until the control board power is removed or
a call for heating is initiated.
NOTE: The outdoor fan motor will continue to operate for one minute
after compressor shuts off, when the outdoor ambient is greater than or
equal to 100°F (37.78°C).
With a call for heating, the outdoor fan and compressor are energized.
The reversing valve is de-energized in the heating mode.
Amber Status Light
An amber colored STATUS light is used to display the operation mode
and fault codes as specified in the troubleshooting section. See
for codes and definitions.
NOTE: Only one fault code will be displayed on the outdoor unit
control board (the most recent, with the highest priority).
Crankcase Heater Operation
The crankcase heater (when applicable) is energized during the off cycle
below 65°F (37.78°C)
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Communication and Status Function Lights
Green Communications (COMM) Light (Communicating Control only):
A green LED (COMM light) on the outdoor board (see
successful communication with the other system products. The green
LED will remain OFF until communications is established. Once a valid
command is received, the green LED will turn ON continuously. If no
communication is received within 2 minutes, the LED will be turned
OFF until the next valid communication.
Fig. 11 – Control Board
Outdoor Fan Motor Operation
The outdoor unit control energizes outdoor fan any time the compressor
Table 3
is operating (except defrost and intermittently during low ambient
cooling). The outdoor fan remains energized for 15 minutes if a pressure
switch or compressor thermal protector should open. Outdoor fan motor
will continue to operate for one minute after the compressor shuts off
when the outdoor ambient is greater than or equal to 100°F (37.78°C).
8
Fig. 11) indicates
HK38EA058