York Millennium YCAS 316 Installation Operation & Maintenance page 121

Air cooled screw liquid chillers air cooled screw hermetic
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S Y S
2
L I Q U I D
I N J E C T I O N
This message indicates that the Liquid Injection Sole-
noid Valve of SYS 2 was either energized (ON) or de-
energized (OFF) at the time of the fault.
S Y S
2
F O R W A R D
O N
This display indicates the number of pairs of fans on
SYS 2 which were running in the forward direction at the
time of the fault.
S Y S
2
R E V E R S E
O F F
This message indicates whether a pair of fans on SYS 2
were running in the reverse direction at the time of the
fault.
YORK INTERNATIONAL
V A L V E
O F F
F A N S
F A N S
S Y S
2
O N
This display informs the operator whether SYS 2 liquid
line solenoid valve was energized (ON) or de-energized
(OFF) at the time of the fault.
S Y S
2
R U N
O N
This message informs the operator if SYS 1 Run Per-
missive (flow switch, remote START/STOP) was in the
"RUN" mode (ON/closed) or "STOP" mode (OFF/open).
FORM 201.10-NM1
L I Q
L I N E
P E R M I S S I V E
121

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