FORM 100.50-NOM7 (808)
49
JOHNSON CONTROLS
4
Display shows which mode of operation the unit is in.
Line 2 Modes Enabled
Line 3 Cooling = NO (YES)
Line 4 Heating = NO (YES)
*** SERVICE ***
Modes Enable
Cooling = YES
Heating = NO
SAT Setpt indicates the current SAT (supply air
temperature) setpoint that the economizer will try to
maintain when outside air conditions are suitable for
free cooling/economizer operation.
*** SERVICE ***
Sys X Safety Chain
Status = Tripped
*** SERVICE ***
Application
Revision # = 1-4
This display shows the status of the “compressor safety
chain” which consists of a low pressure switch, high
pressure switch, and compressor overload for each re-
frigerant circuit. If any of the safeties are opened, the
display will show the respective system and display as
follows:
Line 2 Sys X Safety Chain
Line 3 Status = Tripped (NORMAL)
Line 4 (Blank)
This display indicates the software revision.
Compressors #1 & 2 are combined
in the same safety circuit and com-
pressors #3 & 4 are combined in the
same safety circuit. Thus Diagnostic
Lockout Codes will include both #1/2
& 3/4 as pairs.
The display indicates the software revision.
Line 2 Application
Line 3 Revision #= X.X
Line 4 Blank
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