FORM 201.10-NM1
85
YORK INTERNATIONAL
ISN LIMITING allows load limiting through an ISN
System. This feature controls loading under a number of
ISN programmable values, enhancing the flexibility of
controlling the chiller to obtain desired results in the total
building control scheme.
This message informs the operator that the system
switch on the Microprocessor Board for the respective
system is in the OFF position. The switch for System 1
and System 2 must be in the ON position for the systems
to operate. Switches for System 3 and 4 should be placed
in the OFF position on 2 compressor chillers. See Fig. 24
for the location of these switches.
S Y S
1
I S N
L I M I T I N G
S Y S
2
I S N
L I M I T I N G
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
FIG. 24 – LOCATION OF THE MICROPROCESSOR BOARD SYSTEM SWITCHES
26001A
SYSTEM
SWITCHES
Summary of Contents for Millennium YCAS 316
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Page 17: ...FORM 201 10 NM1 17 YORK INTERNATIONAL YCAS 216X 266X DIMENSIONS SI LD01450 LD01448...
Page 33: ...FORM 201 10 NM1 33 YORK INTERNATIONAL 28514A FILTER DRYER LIQUID STOP VALVE...
Page 37: ...FORM 201 10 NM1 37 YORK INTERNATIONAL LD01285 FIG 3 SCREW CHILLER REFIGERANT FLOW DIAGRAM...
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