SECTION 8 - MICROPANEL
QUANTECH
147
FORM QTC4-NM1
ISSUE DATE: 4/2/2018
8
LD21850
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 allow scrolling to the next and previous system
switch (System 1 and 2).
SYSTEM SWITCHES SYS 2 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 off a compressor, which
allows the compressors to go through
a controlled shutdown. Avoid using
the "UNIT" switch to turn off the
compressors.
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