Rooftop Thermostat Controller
Specification and Installation Instructions
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24.
“Select Y2 open Percent”
Y2
Default:
Range:
Increment:
40% of demand
0% to 80% (range is limited by the close value of step 23 minus 10%)
5%
Select the percentage at which you want Y2 to open (at % of demand of the ramp selected at Step 22). Contact automatically
opens at 0% of the demand.
25.
“Select Y2 Direct Reverse”
Y2
Default:
Range:
dir. (Direct)
dir. (Direct) or rEV. (Reverse)
Select the direction for the Y2 output signal. Set dir. (Direct) for normally open or rEV. (Reverse) for normally closed.
Fan Settings
26.
“Enable Fan Auto Mode”
Default:
Range:
Yes (Enable)
Yes / No
Select Yes to allow the user to adjust the Automatic mode. The fan
symbol is also displayed.
If you selected No (disable), go to Step 28.
27.
“Fan Auto Timeout Minutes”
Default:
Range:
Increment:
2 minutes
0 to 15 minutes
1 minute
Select the desired value for the automatic shutoff delay. The fan
symbol is also displayed.
Temperature Sensor Settings
28.
“Extern Sensor Temp”
Default:
Range:
OFF
OFF, t10.0 (external temperature sensor 10.0
K
Ω
at input #14
)
Select the temperature sensor that will be used by the thermostat, either the internal sensor (OFF) or external sensor (t10.0). The
unit does not support the use of both sensor simultaneously.
If you select OFF, the thermostat uses its internal temperature sensor.
If you select t10.0, the thermostat uses an external temperature sensor connected to input #14. Use a Type III 10k
Ω
temperature sensor.
Do not connect an external temperature sensor to pin #14 if this option is set to OFF.
If you selected the OFF option, go to Step 30.
29.
“Extern Sensor Temp Offset”
Display
Displays temperature from input #14
If the option at step 28 is set to “t10.0”, the display shows the temperature read by the external temperature sensor at input #14.
Compare the displayed temperature reading with a known value from a thermometer. To offset or calibrate the sensor, use the
arrows key to set the desired temperature reading.
If the sensor is not connected or short circuited, “Eror" and the
symbol are displayed.
