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Test Installation
Follow these procedures to verify you have correctly installed
the 3M-50.
TO CHECK FAN
(If you connected the G wire):
Press the fan button to turn the fan
ON.
Verify that air is blowing from the system.
Press the fan button again to return to
AUTO
.
TO CHECK HEAT
Set the mode to
HEAT
by pressing the MODE button until
HEAT
is displayed.
Touch the temperature display to bring up the MANUAL screen.
Touch the
+
icon and raise the Target Temperature to 90
o
F; allow the system 2 minutes to
respond. Verify that heat is blowing from the system. Return the Target Temperature to a
nomal setting. Return mode to
OFF
by pressing the mode button.
If you have a heat pump, leave in off for 4 minutes before checking COOL.
TO CHECK COOL
(do not operate AC if the outside temp is below 65
o
F)
Set the mode to
COOL
by pressing the MODE button until
COOL
is displayed.
Touch the
-
icon to lower cool Target Temperature to 50
o
F.
Allow the system 5 minutes to respond.
Verify that cool air is blowing from the system.
Return mode to
OFF.
