76
YORK INTERNATIONAL
This message informs the operator whether the revers-
ing fan is active on SYS 1. This does not apply to YCW
and YCR chillers.
This message informs the operator whether the Hot Gas
Solenoid is ON or OFF. The micro will activate the Hot
Gas signal regardless of whether or not this option is
installed.
The Run Time for SYS 1 since the last start is displayed.
OFF: Sys 2 Liquid Line Solenoid De-energized
(Closed).
ON: Sys 2 Liquid Line Solenoid Energized (Open).
This message informs the operator of the number of
stages of loading which are active on SYS 2.
This message informs the operator of the number of for-
ward running fans which are active on SYS 2. This does
not apply to YCW and YCR chillers.
This message informs the operator whether the revers-
ing fan is active on SYS 2. This does not apply to YCW
and YCR chillers.
This message informs the operator whether the Hot Gas
Solenoid is ON or OFF. The Micro will activate the Hot
Gas signal regardless of whether or not this option is
installed.
LOCAL DISPLAY READOUT
Oper Data
The OPER DATA key also allows the user to scroll through
additional real time display information about the chiller
system which is not available from the DISPLAY keys.
This information covers a wide range of data which in-
cludes fan status, loading status, liquid line solenoid
status, run time, etc. A total of 20 different displays are
offered.
NOTE: Some of the information that may be recovered
(i.e. fan operation, discharge pressures, stages
of loading, etc.) may not apply to the chiller.
The micro is capable of operating these items
and displaying information relating to them re-
gardless of whether they are present on the chiller.
When the OPER DATA key is pressed, the following
message will appear:
NOTE: Depending upon the
EPROM installed, the sequence of messages may
vary.
Repetitively pressing the ENTER key allows the opera-
tor to scroll through the 20 available displays.
In the information that follows, a sample message along
with an explanation of its meaning is provided for all 20
messages.
OFF: SYS 1 Liquid Line Solenoid De-energized
(Closed).
ON: SYS 1 Liquid Line Solenoid Energized (Open).
This message informs the operator of the number of
stages of loading which are active on SYS 1.
This message informs the operator of the number of for-
ward running fans which are active on SYS 1. This does
not apply to YCW and YCR chillers.
P R E S S
E N T E R
T O
D I S P L A Y
D A T A
S Y S
1
L I Q U I D
L I N E
S O L E N O I D
S T A T U S
O F F
S Y S
1
S T A G E S
O F
L O A D I N G
2
S Y S
1
F O R W A R D
F A N S
S T A T U S
S Y S
1
R E V E R S E
F A N
S T A T U S
O F F
S Y S
1
H O T
G A S
B Y P A S S
V A L V E
S T A T U S
O F F
S Y S
1
R U N
T I M E
2 0 0
S E C S
S Y S
2
L I Q U I D
L I N E
S O L E N O I D
S T A T U S
O N
S Y S
2
S T A G E S
O F
L O A D I N G
1
S Y S
2
F O R W A R D
F A N S
S T A T U S
O F F
S Y S
2
R E V E R S E
F A N
S T A T U S
O F F
S Y S
2
H O T
G A S
B Y P A S S
V A L V E
S T A T U S
O N
Summary of Contents for YCWJ45EE0
Page 29: ...FORM 150 24 NM27 YORK INTERNATIONAL 29 CONTROL CIRCUIT With I O Expansion Board LD02106...
Page 30: ...30 YORK INTERNATIONAL FIG 9 SYSTEM WIRING...
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Page 36: ...36 YORK INTERNATIONAL MICROPANEL CONNECTION DIAGRAM With I O Expansion Board LD02107...
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