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JOHNSON CONTROLS
83
FORM 150.62-NM8 (1020)
2
STATUS KEY
The following messages are displayed when the STATUS
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
systems, SYS 1 and SYS 2 messages will both be
displayed and may be different. In the case of single
system units, all SYS 2 messages will be blank.
U N I T S W I T C H O F F
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.
The REMOTE CONTROLLED SHUTDOWN message
indicates that either an ISN system or RCC has turned
the unit OFF, not allowing it to run.
The DAILY SCHEDULE SHUTDOWN message
indicates that the daily/holiday schedule programmed
is keeping the unit from running.
R E M O T E C O N T R O L L E D
S H
U T D
O
W
N
D A I L Y S C H E D U L E
S H
U T D
O
W
N
F
L O W S W I T C H / R E M S T O P
N
O R
U
N P E R
M
NO RUN PERM shows that either the flow switch is
open or a remote start/stop contact is open in series with
the flow switch between terminals 13 and 14 of
terminal
block CTB1. A 3-second delay is built into the software
to prevent nuisance shutdowns due to erroneous signals
on the run permissive input.
S Y S 1 S Y S S W I T C H O F F
S Y S 2 S Y S S W I T C H O F F
SYS SWITCH OFF tells that the system switch under
options
is turned off. The system will not be allowed to
run until the switch is turned back ON.
S Y S 1 N O C O O L L O A D
S Y S 2 N O C O O L L O A D
This message informs the operator that the chilled
liquid temperature is below the point (determined by
the setpoint and control range) that the microprocessor
will bring on a system or that the microprocessor has
not loaded the lead system 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.
00066VIP
Содержание YCAL0014E Series
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