JOHNSON CONTROLS
280
FORM 201.23-NM2
ISSUE DATE: 09/25/2020
SECTION 8 - MICROPANEL
LD10605
SYSTEM
SWITCHES
KEY
SYSTEM SWITCHES KEY
System Switches Key Operation
The SYSTEM SWITCHES key allows the operator
to turn individual systems ON and OFF. Safety lock-
outs are also reset by selecting the respective system
switch RESET. When the SYSTEM SWITCHES key
is pressed, the following message will appear:
SYSTEM SWITCHES SYS 1 ON / OFF / RESET
◄ ► =XXXXXXXXXXXXXXX
The display indicates the respective system and it’s on/
off /reset switch status. The ▲▼ (ARROW) keys al-
low scrolling to the next and previous system switch
(System 1, 2, 3, or 4).
SYSTEM SWITCHES SYS 2 ON / OFF / RESET
◄ ► =XXXXXXXXXXXXXXX
SYSTEM SWITCHES SYS 3 ON / OFF / RESET
◄ ► =XXXXXXXXXXXXXXX
SYSTEM SWITCHES SYS 4 ON / OFF / RESET
◄ ► =XXXXXXXXXXXXXXX
The ◄ (LEFT ARROW) or ► (RIGHT ARROW)
keys 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 o a compressor, which
allows the compressors to go through
a controlled shutdown. Avoid using the
"UNIT" switch to turn o the compres-
sors.
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