User's Manual

45
DRAFT 66 8003 002-11
3.4.7 Misc
1. If the chec kbox Freeze guard is
marked (default is marked), there
will be an alarm and the HVAC will
start heating if the temperature
in any room with a thermostat
goes below 39 ºF (4 ºC).
Figure 65
2. If the chec kbox Refresh cycle is
marked (default is unmarked), the
Orion EMS system will in setbac k
control run the A/C unit every
25 minutes for a period of
2 minutes to re-c irc ulate the air
in the room; only for cooling
mo d e .
Figure 66
3. If the chec kbox Guest door is
exterior is marked (default is
unmarked), the door to
the room will be treated as an
exterior door. If the door is
opened, the HVAC will turn off
either when the door has been
open for 20 seconds (short
timeout) or when the door has
been open for the unoc c upied
timeout. This depends on whether
short or normal has been chosen
under the Timeout tab in the
Thermostat profile details dialog.
Figure 67