Contemporary Controls BASstat Series User Manual page 18

System Mode
The default control type is 2-stage cooling and heating with automatic changeover. This
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makes the thermostat operate fully stand-alone. Control Type can be selected in (tyPe) or
[MSV8]. Manual Changeover control type allows restriction of mode selection to Cool only
or Heat only in applications where necessary.
Occupied Cooling [AV0] and Heating [AV3] set points and Unoccupied Cooling [AV8] and
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Heating [AV9] setpoints can be set individually for cooling and heating modes, with either
manual or automatic changeover control. Minimum deadband [AV7] can be programmed
as well.
• For cooling/ heating with manual changeover control, cooling or heating can be selected
by pressing the MODE button or using a BACnet command to object [ MSV1]. In
application where user control needs to be limited, the lock button function can be used to
disable MODE button.
Fan Control Output
Fan Output for Heating - the fan output for Heat mode is disabled "0" in [BV15] by default.
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The thermostat lets the RTU circuity control the fan during Heat mode. Fan output can be
enabled "1" for Heat mode if desired [BV15].
Lowest Fan Speed is the speed the fan will default to after a control action (Heating or
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Cooling). If the lowest fan speed [MSV4] is set as "Stop (1)", the fan will be automatically
shut off after the control action (Heating or Cooling) and a 2-minute fan-off time delay.
During this delay time, the AUTO icon will be flashing, and the fan will shut off after the 2-
minute time delay expires. If lowest fan speed is set to "Low(2)" the fan will run
UM-15090000-AA8
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