Mitsubishi Electric PAAA18AA1 Installation Manual page 90

Control box user interface
4b
W 1
4a
W1
ON
3a
1. Normal mode (indicator color: green). When illuminated, it means that the system is functioning
normally.
2a. Test mode (indicator color: red) -installer only setting.
2b. Emergency mode (indicator color: red). If illuminated, it means that the system is in error mode.
If required, please contact a dealer, contractor or technician with certifications required by laws and
codes.
3a. W1 ON - installer only settings.
Test mode push button (not illuminated, button color: white)
3b. W2 ON - installer only settings.
Test mode push button (not illuminated, button color: white)
3c. W1 and W2 OFF - installer only settings.
Test mode push button (not illuminated, button color: white)
4a. First stage heat (emergency mode) (indicator color: amber) - installer only settings.
4b. Second stage heat (emergency mode) (indicator color: amber) - installer only settings.
IMPORTANT
Be sure to change back to Normal mode operation after Test mode operational
checks are completed!
© 2022 Mitsubishi Electric US, Inc.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
Test
mode
W 2
W2
ON
3b
90
1
Normal mode
2a
Emerg.
2b
mode
W1/W2
OFF
3c
Specifications are subject to change without notice.