Air Compressor Function Codes; Replacing The Air Compressor Filter; Table 5-2 Everfresh Function Codes - Carrier EverFRESH Operation, Service And Parts Manual

5.2.1

Air Compressor Function Codes

Code Description
Cd72 Air Compressor Hours Since Last Service
Cd72 displays the total hours of air compressor run time since last service.
When the timer exceeds 5000 hours since last reset, the display will cycle the message "CA" "ChECk" until the
timer is reset again.
The sub menus in this function code are "ACHrS" and "ReSEt":
"ACHrS" - Display air compressor run time since service.
"ReSEt" - Press the ENTER key for five seconds to reset this value to 0.
Cd73 Air Compressor Total Operational Hours
Cd73 displays the total number of operational hours for the EverFRESH system and air compressor. The total
hours are displayed in increments in 10 hours (i.e. 3000 hours will be displayed as 300).
The sub menus in this function code are "ACHrt" and "ReSEt":
"ACHrt" - Display air compressor total run time.
"ReSEt" - Press the ENTER key for five seconds to reset this value to 0.
5.2.2

Replacing the Air Compressor Filter

1. Rotate the filter housing a 1/4 turn counterclockwise and then pull down.
2. Remove the felt filter.
T-374
Table 5–2 EverFRESH Function Codes
5–2