System Switches Key - York YCAV0569 Installation Operation & Maintenance

Air-cooled screw liquid chillers
Table of Contents

Advertisement

MICRO PANEL
SYSTEM SWITCHES Key Operation
The SYSTEM SWITCHES key allows the operator to
turn individual systems ON and OFF. Safety lockouts
are also reset by selecting the respective system switch
RESET. When the System Switches Key is pressed, the
following message will appear:
SYSTEM SWITCHES
◄ ►
The display indicates the respective system and it's
on/off /reset switch status. The
allow scrolling to the next and previous system switch
(System 1, 2, 3, or 4).
SYSTEM SWITCHES
◄ ►
SYSTEM SWITCHES
◄ ►
SYSTEM SWITCHES
◄ ►
236

SYSTEM SWITCHES KEY

SYS 1 ON / OFF / RESET
=XXXXXXXXXXXXXXX
▲▼
(ARROW) keys
SYS 2 ON / OFF / RESET
=XXXXXXXXXXXXXXX
SYS 3 ON / OFF / RESET
=XXXXXXXXXXXXXXX
SYS 4 ON / OFF / RESET
=XXXXXXXXXXXXXXX
The
(LEFT ARROW) or
allow scrolling through the choices of:
· SYSTEM OFF (default)
· SYSTEM ON
· RESET (LOCKOUT)
The switch selection is accepted into memory by press-
ing the
(ENTER) key.
When the "RESET" selection is made and accepted, it
will not change the position of the switch (either ON
or OFF).
Whenever possible, except in emergen-
cies, always use the associated system
switch to turn off a compressor, which
allows the compressors to go through
a controlled shutdown. Avoid using
the "UNIT" switch to turn off the
compressors.
FORM 201.21-NM2 (616)
SYSTEM
SWITCHES
KEY
LD10605
(RIGHT ARROW) keys
JOHNSON CONTROLS

Advertisement

Table of Contents
loading

Table of Contents