User's Manual

Onity, Inc.
2100A Nancy Hanks Drive. Norcross GA 30071 USA
Phone [phone]. Toll Free 1-866-to-Onity
Fax[phone]. www.onity.biz
thermostat settings. After 2 minutes have passed, the RCU checks the
motion status of the room. The 2 minute delay ensures that the RCU
does not have a false motion status as in the above example.
If the motion status at the 2 minute point shows that motion has been
detected, the room will lock into occupied mode and the 8 minute timer
will stop.
If the motion status at the 2 minute point shows that no motion has
been detected, the 8 minute timer will continue and the HVAC system
will continue to operate based on the thermostat settings. If at any time
motion is detected in the room, the system will lock into occupied
mode and the 8 minute timer will stop.
If no motion has been detected and the 8 minute timer expires, the
system will enter unoccupied mode and the HVAC system will operate
based on the settings programmed into the RCU for unoccupied mode.
Any motion detected even after the 8 minute timer has expired will
cause the system to lock into occupied mode.
Door Opened / Door Closed Events
Anytime a door opened or door closed event is received by the RCU, it
will immediately control the HVAC system based on the thermostat
settings and will enable the lights if applicable. At this time, the 8
minute timer is started (32 minutes for lighting).
Door Left Open
If the door is left open, the HVAC will continue to run based on the
thermostat as long as motion is detected in the room. Each time motion
is detected, the 8 minute HVAC timer and the 32 minutes lighting
control timer is restarted. If 8 minutes passes with no motion, the
system will enter set back control. If 32 minutes passes with no
motion, any controlled lighting will be shut off. If motion is again
detected, the HVAC and Lighting will again be enabled and the timers
restarted.
Unsold Mode
If enabled, when the RCU enters the unoccupied set back control mode,
a 15 hour timer is started. If the system remains in unoccupied mode
for this entire time, the system will enter the unsold (or deep set back)
mode, which allows even greater savings.
The only thing that will stop this 15 hour timer is the system enters
occupied mode, or the timer expires setting the unit into unsold mode.
Because the only way for the system to enter occupied mode is for the
door to be closed and motion detected (after 2 minutes), the 15 hour
timer will continue when staff are in the room, such as housekeeping or
maintenance staff, as long as the door is left open.