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Trane 4TWL9048A1000A Service Facts page 43

Side discharge variable speed hp
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Home Screen— Communicating Display Assembly
Table 6. Status Menu/Home Screen
Auto Scroll
SYSTEM STATUS (1)
XXXXXXXXXXXXXXXX
ALERT 1
<Alert short Text>
ALERT 2
<Alert short Text>
ALERT 3
<Alert short Text>
ALERT 4
<Alert short Text>
Auto Scroll
4TWL9048A-SF-1C-EN
UNIT DATA
UNIT MODEL #
XXXXXXXXXXXXXXXX
UNIT SERIAL #
XXXXXXXXXXXXXXXX
NOTES:
System Status will display a value from the left column
STANDBY
Idle, No demand present. If in Standby due to an alarm
and system is in soft lockout... " SOFT LOCK" will display on CDA
COOLING
Compressor cooling demand
HEATING
Compressor heating demand
DEFROST
Compressor defrost (cooling) demand
LOAD SHED
Compressor demand inhibited from external control
OIL RETURN
Compressor demand imposed by protection logic
CLG DERATE
Compressor demand imposed by protection logic
HTG DERATE
Compressor demand imposed by protection logic
PUMP DOWN
Command Compressor to operate at Maximum speed in
Cooling and Nominal speed in Heating
CHARGING
Compressor cooling demand imposed by system logic
CHECK CHARGE Compressor heating demand imposed by system logic
SOFT LOCK
System in a 5 or 15 minutecutout period due to an alert
C C o o m m m m u u n n i i c c a a t t i i n n g g D D i i s s p p l l a a y y A A s s s s e e m m b b l l y y ( ( C C D D A A ) )
UNIT CONTROLS
XXXXXXXXXXXXXXXX
AOC SW BUILD
XXXXXXXXXXXXXXXX
MOC SW VERSION
XXXXXXXXXXXXXXXX
CDA SW BUILD
XXXXXXXXXXXXXXXX
PM SW VERSION
XXX
XXX
DRV COMP SIZE
XXX
AOC SW VERSION
XXXXXXXXXXXXXXXX
CDA SW VERSION
XXXXXXXXXXXXXXXX
Note: This is compressor size in
tonnage stored in the Personality
Module expressed in 2,3,4 or 5.
43

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