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6. LLTset - “Low Limit Time”
temperature (°F) setpoint. If this
temperature is not reached at full output,
relay will pull in.
7. Stage - Current operating stage 1-6.
8. Stage - Current operating stage 1-6.
MOD - Modulation rate % being applied
to stage one heat strip SCR.
9. OAT - Outside air inlet temperature
(°F).
10. LATA - Leaving air probe "A"
temperature (°F).
11. LATB - Leaving air probe "B"
temperature (°F).
12. ManSTG - Manual override stage for
system testing. Any override
automatically cancels after ten minutes;
0 indicates normal operation, 1-6
corresponds to stages 1-6 being forced
on. Stage 1, the SCR, is forced to 50%.
System Setting Screens
These screens are access by pressing the up
button and then entering the technician
password 2425. The screens are scrolled
through by pressing either right or left
buttons on the controller. Adjustment is
made by pressing the up and down buttons.
After a short time of inactivity, the screen
will go back to the Status Display Screens.
1. StartDly - Seconds of delay after the
'Enable' call before heating starts. This is
to allow the Supply Fan to come up to
speed. Supply Fan VFD’s have a 45
second ramp up time. Range = 1sec-
60sec, and the default is 15sec.
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