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Form QTC4-NM2
Issue date: 05/12/2023
Figure 61 - Manual override key
Manual override key operation
If the MANUAL OVERRIDE key is pressed during a
schedule shutdown, the STATUS display will display
the message below. This indicates that the daily sched-
ule is being ignored and the chiller will start when
chilled liquid temperature allows, Remote Contacts,
UNIT switch and SYSTEM switches permitting. This
is a priority message and cannot be overridden by anti-
recycle messages, fault messages, and so on, when in
Quantech
Manual override key
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 min.
MANUAL OVERRIDE
Section 8 - Micropanel
Manual override key
LD10605
153
8
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