17
How to enter the system test menu
press repeatedly until system is set to OFF.
press and hold and for three seconds.
Thescreenofthefirstteststep#50isdisplayed:
SYSTEm TEST mODE (CONTINUED)
SETUp & TESTINg
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.
SYSTEMTEST
NUMBER
OUTPUTSTATUS
FLASHESIF24VAC
ISNOTPRESENT
MODE(SW1SETTING
8448&8466ONLY)
61000652C 8400 Tstat Install.indd 17 10/13/09 11:09:00 AM