96
5. OATset - Outside air temperature
setpoint. Range = 35°F-60°F, and the
default is 35°F.
6. LLTset - “Low Limit Time” temperature
setpoint. Range = 35°F-50°F, and the
default is 35°F. If ‘LLTSet’ temperature
is not reached within ‘BelowLLT’ time
after reaching full output, the status relay
will operate.
7. RESETset - “Reset Setpoint”
temperature. Range = 35°F-80°F, and the
default is 50°F.
8. ManSTG - Temporary manual override a
specified stage testing, 0=normal
operation, 1-6 to override corresponding
stages. Range = 0-6, and the default is 0.
The manual override may be used for unit
testing of each stage. Stage 1 will be at
50% to test SCR and stages 2-6 will be
full capacity. A manual override will
expire in ten minutes if not manually
cancelled by resetting ‘ManSTG’ back to
zero.
LED Flash Alarm Codes
The flashing red LED will be to the right of
the screen. The number of blinks is described
below. The LCD screen will also display the
screens.
1 = LATA probe open/short
2 = LATB probe open/short
3 = OAT sensor open/short
4 = Leaving air temp over limit
5 = Cooling down after hi limit event
6 = LAT below low limit
7 = Stage 1 only recovery after mechanical
limit
8 = Shutdown after too many hi limit events
9 = Short or overload on the 0-10VDC
analog signal output
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