Aprilaire 8400 series Installation Instructions Manual page 17

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SETUp & TESTINg

SYSTEm TEST mODE

How to enter the system test menu

press

repeatedly until system is set to OFF

press and hold

The screen of the first test step #50 is displayed:

SYSTEM TEST NUMBER

61000652A 8400 Tstat Install.indd 17

(CONTINUED)

and

for three seconds .

OUTPUT STATUS

press

to turn on the output (01). For multi stage

output, press

again to turn on the 2nd stage (02).

press

to turn off the output (00).

press

to change to the next test step.

press

after the last test step. "DONE" will be

displayed .

The thermostat will return to Normal mode if no key is

pressed in 3 seconds .

7/23/09 2:21:00 PM

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