Robertshaw 9515 - Manual (Page 6)

Operation
Setting or Changing the Setpoint Temperature
1. Press either the or button.
The display will show the current
temperature setpoint.
2. Press either the or button
to adjust the temperature setting
either up or down.
The display will return to the room temperature display five seconds after
the last input and the new setpoint will be saved.
Changing Temperature Differential
IMPORTANT: The temperature differential is factory set at 1 (1°). This
means that whenever the room temperature changes by one degree
Fahrenheit from the temperature setting, the system will turn on. If the
system turns on too often, increase the temperature differential.
1. Press both and buttons
at the same time and hold for one
second.
2. Press either the or button
to adjust the 1st stage temperature
differential up or down.
3. After 5 seconds DIFF will begin to flash on the display
indicating 2nd stage differential value.
4. Press either the or button
to adjust the 2nd stage temperature
differential up or down.
The display will return to the room temperature
five seconds after the last input.
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COOL-OFF-HEAT AUTO - ON
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AUX
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COOL-OFF-HEAT AUTO - ON >
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AUX
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