YORK INTERNATIONAL
56
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 DIS-
PLAY keys. This information covers a wide range of
data which includes fan status, loading status, liquid
line solenoid status, run time, etc. A total of 20 different
displays are offered.
When the OPER DATA key is pressed, the following
message will appear:
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
forward running fans which are active on SYS 1.
This message informs the operator whether the revers-
ing fan is active on SYS 1.
P R E S S
E N T E R
T O
D I S P L A Y
D A T A
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
forward running fans which are active on SYS 2.
This message informs the operator whether the revers-
ing fan is active on SYS 2.
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.
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
2
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 F F