Venstar T2700 Installation - Manual (Page 10)

Page 3.4
Y2 JUMPER SETTING
If the jumper for MISC1 is set to Y2 the
second stage of cooling. MISC1 screw terminal on the backplate will control a
Y2 OPERATION - SECTION 12 of the Owner’s Manual
Explanation of Jumper Settings
(continued)
The 2nd Stage of heat or cool is
(A) The 1st Stage has been on for the two minutes.
(B) The temperature spread from the setpoint is equal to or greater
than: the setpoint
12.5 of the Owner’s Manual), plus two degrees.
turned on when:
plus the 1st stage deadband (step #19, page
And
3
Cool
Setpoint
Deadband Deadband
db 1 db 2
(adj. 0-10 ) (adj. 1-6 )
1st Stage
turn on
2nd Stage
turn on
Cooling
TEMPERATURE INCREASE