OMM TGZ-1 TGZ 040A through TGZ 190A 61
VIEW TOWER (2)
Bypass Valve = XXX%
VFD Speed = XXX%
The Bypass Valve value shall be “None” (in place of XXX%) if the Valve/VFD Control
setpoint = None or VFD Stage. The VFD Speed value shall be “None” if the Valve/VFD
Control setpoint = None, Valve Setpoint, or Valve Stage.
Screen Definitions – ALARM
ALARM ACTIVE (X) ALARM ACTIVE (X)
Alarm Description No more alarms
hh:mm:ss dd/mmm/yyyy
OR
active alarms
If the unit is off on a shutdown alarm or running, but in a limit alarm condition, the cause
and date will appear in the upper screen. If there is a simultaneous occurrence of more
than one alarm, the others will appear in additional screens below the first one, accessed
by the DOWN ARROW.
Either type alarm will light a red light in back of the LEFT-ARROW KEY. The light will
go out when the fault is cleared. To clear the fault, scroll down to the last screen and
press ENTER. If other faults have appeared, they will all be cleared at the same time. It
is not necessary to have a password open to clear alarms.
ALARM LOG (X)
Alarm Description
hh:mm:ss dd/mmm/yyyy
Data
The last 25 alarms, either shutdown or limit, are shown in this menu and subsequent
menus located under it. ARROW DOWN from this menu will go to the next-to-last
alarm, ARROW DOWN again will go to the second from last, and so on through the last
25 occurrences. The screens are numbered (1), (2), (3), etc.
Screen Definitions – EVENT LOG
EVENT LOG (X)
Alarm Description
hh:mm:ss dd/mmm/yyyy
Data
Screen Definitions – SET
Set Unit Setpoints
SET UNIT SPs (1)
Unit Enable = OFF
Unit Mode = COOL
Source = KEYPAD
Unit Enable settings can be OFF and ON as determined from the Unit Enable setpoint.
OR
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