21
BTU VENTILATION CORPORATION ● OFFICE 888-884-8070 ● FAX 218-346-7485 ●
www.btucorp.com
XT-70 Control Panel 21
HMI TIME CLOCK:
5.5
RUN
RUN hours in the time clock will cause the system to run even when cooling air or refrig-
eration is not available. If the refrigeration is in alarm or the switch is off, the system will
run in a Timed run. The Cooling mode is available but the system will not go into Standby
mode.
REF ONLY
REF ONLY hours in the time clock will cause the system to run only in Refrigeration or
Timed mode. If cooling air becomes available, the system will continue to run in Refrigera-
tion only. The Timed mode would activate only if the Refrigeration mode was not available
or if the refrigeration switch is not in Auto.
HMI OUTSIDE AIR CONTROL:
5.6
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