Status Key - York MILLENNIUM YCUL0045SC Installation Operation & Maintenance

Air-cooled condensing units hermetic scroll
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Unit Controls
The following messages are displayed when the "Sta-
tus" key is pressed. Following each displayed message
is an explanation pertaining to that particular display.
GENERAL STATUS MESSAGES
In the case of messages which apply to individual sys-
tems, SYS 1 and SYS 2 messages will both be dis-
played and may be different. In the case of single sys-
tem units, all SYS 2 messages will be blank.
U N I T
S W I T C H
S H U T D O W N
This message informs the operator that the UNIT switch
on the control panel is in the OFF position, which will
not allow the unit to run.
R E M O T E
C O N T R O L L E D
S H U T D O W N
The REMOTE CONTROLLED SHUTDOWN message
indicates that either an ISN or BAS system has turned
the unit off, not allowing it to run.
D A I L Y
S C H E D U L E
S H U T D O W N
The DAILY SCHEDULE SHUTDOWN message indicates
that the daily/holiday schedule programmed is keeping
the unit from running.
F L O W
S W I T C H / R E M
N O
R U N
P E R M I S S I V E
NO RUN PERM shows that the air proving switch, or
remote start/stop contact wired in series with the air prov-
ing switch, is open. This message will only be displayed
98

STATUS KEY

when the Control Mode is programmed for Discharge
Air Temperature.
S Y S
S Y S
SYS SWITCH OFF indicates that the system switch
under OPTIONS is turned off. The system will not be
allowed to run until the switch is turned back on.
O F F
These messages inform the operator that the discharge
air temperature is below the point (determined by the
setpoint and control range) that the micro will bring on a
system, or that the micro has not loaded the lead sys-
tem far enough into the loading sequence to be ready to
bring the lag system ON. The lag system will display
this message until the loading sequence is ready for the
lag system to start. These messages will only be dis-
played when the Control Mode is programmed for Dis-
charge Air Temperature control.
The COMPS RUNNING message indicates that the re-
spective system is running due to demand. The "X" will
be replaced with the number of compressors in that sys-
tem that are running.
S T O P
The anti-recycle timer message shows the amount of
time left on the respective systems anti-recycle timer.
This message is displayed when the system is unable
to start due the anti-recycle timer being active.
1
S Y S
S W I T C H
2
S Y S
S W I T C H
S Y S
1
N O
C O O L
S Y S
2
N O
C O O L
S Y S
1
C O M P S
S Y S
2
C O M P S
S Y S
1
A R
T I M E R
S Y S
2
A R
T I M E R
00066VIP
O F F
O F F
L O A D
L O A D
R U N
X
R U N
X
X X
S
X X
S
YORK INTERNATIONAL

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