SECTION 8 - MICROPANEL
JOHNSON CONTROLS
159
Form 201.47-ICOM1
Issue date: 17/11/2022
8
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
keys allow scrolling to the next and previous system
switch (System 1 and 2).
SYSTEM SWITCHES SYS 2 ON / OFF / RESET
◄ ► =XXXXXXXXXXXXXX
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 off a compressor, which
allows the compressors to go through
a controlled shutdown. Avoid using the
UNIT switch to turn off the compres-
sors.
Figure 62 - System switches key
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