Carrier XCT7 40VCW1, Installation And Owner'S Manual

Page: 17 / 112

How to check error:
• lf there is an error, will display.
• Check error: Press and hold TEMP- button for 5 seconds. The error history will appear in the top right corner. The
current error will appear in the middle of the screen. lf there is no error, “--” will display.
Mode Restriction
Mode Restriction Function:
• When SW2-1 is on, the system mode lock is on. This will lock the mode to Heat, Cool, Dry or Fan. No button press
can change mode. All other control functions are available such as fan speed, set temperature, and on/off.
• Mode can still be changed with a wireless control, another wired control, or a central control.
• While setting mode lock, have control set to desired mode. Set dipswitch SW2-1 to ON. Disconnect and reconnect
system power.
Checking Parameters (only applies to some models):
• Press and hold TEMP+ for 10 seconds to check the parameters. The parameters will appear in the middle of the
screen to show indoor address (00-15), Letters will appear after decimal display (AbCdEF). The detailed parame -
ters will show on the top right corner. See table for definitions.
• If the control is connected to multiple indoor units, each indoor unit can be viewed by pressing the FAN button.
Then use TEMP+/- to switch between connected indoor units.
Parameter Inquiry:
Display Description Value
A Indoor sensor - Ambient (Tai) Temperature °F (°C)
b Indoor sensor - Vapor (Tel) Temperature °F (°C)
C Indoor sensor - Liquid (Tc2) Temperature °F (°C)
d Indoor EEV position Half of actual position
E Indoor unit address Shown in hexadecimal
F Indoor unit central address Shown in hexadecimal
Mode Combination Setting
• With the control off, press and hold the MODE button for 10 seconds. Use the FAN button to change available
modes of operation. 4 is default.
Error Checks
Auto Heat Cool Fan Dehumidify
En
gli
sh
11