York YCUL0045E, Установка, эксплуатация и обслуживание

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JOHNSON CONTROLS
58
FORM 150.63-NM8 (1020)
UNIT CONTROLS
“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 sys-
tems, 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.
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 in-
dicates that the daily/holiday schedule programmed is
keeping the unit from running.
NO RUN PERM shows that the air proving switch, or
remote start/stop contact wired in series with the air
proving switch is open between terminals 13 and 14
of Terminal Block CTB1. This message will only be
displayed when the Control Mode is programmed for
Discharge Air Temperature.
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.
This message informs the operator that the chilled liq-
uid 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
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.
In Suction Pressure Control Mode, the NO COOL
LOAD message informs the operator that the respective
zone thermostat is shutting the system off.
The COMPS RUNNING message indicates that the
respective system is running due to demand. The “X”
will be replaced with the number of compressors in that
system that are running.
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.
U N I T S W I T C H O F F
S H U T D O W N
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 M I S S I V E
00066VIP
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
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
S Y S 1 A R T I M E R X X S
S Y S 2 A R T I M E R X X S
S Y S 1 C O M P S R U N X
S Y S 2 C O M P S R U N X