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REMOTE ALARM TERMINAL
WARNING
Always disconnect the power supply cord before connecting an alarm device to the remote alarm
terminal.
The terminal of the remote alarm is installed at the lower left side of the unit. The alarm is outputted
from this terminal. Contact capacity is DC 30 V, 2 A.
Contact output:
between COM. and N.O. between COM. and N.C.
At normal Open Close
At abnormal Close Open
ALARMS & SAFETY FUNCTIONS
This unit has the alarms and safety functions shown in Table 9, and also self diagnostic functions.
Table 9 Alarms & safety functions
Alarm & Safety Situation Indication Buzzer Safety operation
High temperature
alarm
If the chamber temperature is higher
than the temperature at which the
high temperature alarm is activated.
Alarm lamp is flashed.
Chamber temperature is
displayed flashed.
Intermittent tone with
15 minutes delay.
Remote alarm with 15
minutes delay.
Low temperature
alarm
If the chamber temperature is lower
than the temperature at which the
low temperature alarm is activated.
Alarm lamp is flashed.
Chamber temperature is
displayed flashed.
Intermittent tone with
15 minutes delay.
Remote alarm with 15
minutes delay.
Power failure
alarm
When the power fails or power switch
off or the plug for the freezer is pulled
out of the outlet.
Alarm lamp is flashed. Intermittent tone Remote alarm.
Door alarm When the door is opened. Door lamp is lights.
Intermittent tone
with 2 minutes delay.
-----
Filter check
When condenser filter is
clogged.
Filter check lamp is brinks. Intermittent tone -----
Auto-return
When there is no key pressing in
each setting mode for 90 seconds.
Chamber temperature is
displayed.
-----
The setting mode
is cancelled.
Use a twisted sealed wire for the connection.
Type UL 2343, UL 2448, UL 2464, UL 2552, UL 2623.
Length: 30 m max.
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