Yamato ULF701C, Instruction Manual

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Alarm will automatically activate when the freezer reaches set point or 8 hours
after the unit has been first plugged in.
The alarm will not sound again until the temperature varies 12°C (20°F) from
the temperature control set point.
Please note that the alarm will use battery power to sound if there is a power
outage to the freezer.
ALARM SYSTEM BATTERY REPLACEMENT
•
Rechargeable batteries should be changed approximately every three years
with lead acid rechargeable 1.2 Ah min, model PS-640F1 or equivalent.
WARNING
ALARM SYSTEM SHOULD BE TESTED EVERY 30 DAYS.
The dry contact relay is a terminal strip located on the back of the freezer.
RATING OF THIS CONNECTION:
2A 125 VAC
2A 30 VDC
RED – NORMALLY CLOSED
WHITE – COMMON
BLUE – NORMALLY OPEN
WARNING
IF IT IS NECESSARY TO REMOVE METAL COVER SCREEN
ON BACK OF FREEZER TO MAKE CONNECTIONS TO
ALARM RELAY, COVER MUST BE REPLACED BEFORE
FREEZER IS PUT INTO OPERATION
8
ALARM SYSTEM
ALARM OPERATION
DRY CONTACT RELAY