Manual Override Key - Quantech QTC4 STYLE A Series Installation Operation & Maintenance

Air-cooled screw liquid chillers with variable speed drive, 150 - 500 tons, 525 - 1750 kw, 2 compressor, 60 hz
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FORM QTC4-NM1
ISSUE DATE: 4/2/2018
Manual Override Key Operation
If the MANUAL OVERRIDE key is pressed during
a schedule shutdown, the STATUS display will dis-
play the message below. This indicates that the Daily
Schedule is being ignored and the chiller will start
when chilled liquid temperature allows, Remote Con-
tacts, UNIT switch and SYSTEM switches permitting.
QUANTECH

MANUAL OVERRIDE KEY

This is a priority message and cannot be overridden
by anti-recycle messages, fault messages, etc. when in
the STATUS display mode. Therefore, do not expect to
see any other STATUS messages when in the MANUAL
OVERRIDE mode. MANUAL OVERRIDE is to only
be used in emergencies or for servicing. Manual over-
ride mode automatically disables itself after 30 minutes.
MANUAL OVERRIDE
SECTION 8 - MICROPANEL
MANUAL OVERRIDE
KEY
LD21850
143
8

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