YORK INTERNATIONAL
36
System 1 and 2 Pressures
Oil pressure, suction pressure, and discharge* pres-
sure on System 1 will be displayed when this pushbutton
is pressed.
When the key is pressed again, the display will be up-
dated for System 2.
The minimum limits are:
Oil Pressure: 0 PSID
Suction Pressure: 0 PSIG
Discharge Pressure: 0 PSIG
The maximum limits are:
Oil Pressure: 200 PSID
Suction Pressure: 200 PSIG
Discharge Pressure: 400 PSIG
System 3 & 4 Pressures
Oil pressure, suction pressure, and discharge* pres-
sure on System 3 will be displayed when this pushbutton
is pressed.
When the key is pressed again, the display will be up-
dated for System 4.
The minimum limits are:
Oil Pressure: 0 PSID
Suction Pressure: 0 PSIG
Discharge Pressure: 0 PSIG
The maximum limits are:
Oil Pressure: 200 PSID
Suction Pressure: 200 PSIG
Discharge Pressure: 400 PSIG
% Motor Current
Motor currents for both System 1 and 2 are displayed
when this pushbutton is pushed.
The minimum limits on the display is 0% FLA. The
maximum limit on the display is 115% FLA.
When the key is pressed again, the display will be up-
dated for Systems 3 and 4.
Operating Hours
Start Counter
Accumulated running hours on each compressor is dis-
played. The counters for an individual system count to
a total of 99,999 hours before rollover. Accumulated
starts on each compressor are also displayed. A total
of 99,999 starts can be logged on a system before the
counter will rollover.
The numbers 1 and 2 on the display message indi-
cate compressor #1 and compressor #2.
Pressing the key again will update the display for Sys-
tems 3 and 4.
The numbers 3 and 4 on the display message indi-
cate compressor #3 and compressor #4.
These counters are zeroed at the factory or will indicate
only run time and number of starts logged during fac-
tory testing at the time of shipment.
Options
The OPTIONS key provides a display of options which
have been selected by the user. These options are se-
lected by the S1 Dip Switch on each Microprocessor
Board (Fig. 17). Proper programming of the switch is
* Discharge Pressure Readout is an option. Without this option, the display will read a fixed value.
S Y S
# 1
O I L =
7 2
P S I D
S P =
6 0 , D P =
2 2 9
P S I G
SYSTEM 1 & 2
PRESSURES
S Y S
# 2
O I L =
6 3
P S I D
S P =
6 1 , D P =
1 3 3
P S I G
S Y S
# 3
O I L =
6 3
P S I D
S P =
6 1 , D P =
1 3 3
P S I G
SYSTEM 3 & 4
PRESSURES
% MOTOR
CURRENT
OPER. HOURS
START COUNT.
H R S
3 =
1 4 3,
4 =
3 8 2
S T R
3 =
1 8,
4 =
3 7
H R S
1 =
1 4 3 ,
2 =
3 8 2
S T R
1 =
1 8 ,
2 =
3 7
OPTIONS
I M T R 1
=
5 7
% F L A
I M T R 2
=
6 5
% F L A
S Y S
# 4
O I L =
6 3
P S I D
S P =
6 1 , D P =
1 3 3
P S I G
I M T R 3
=
5 7
% F L A
I M T R 4
=
6 5
% F L A
