21
REMOTE ALARM TERMINAL
The alarm status is noticed to a remote location when a remote alarm equipment (commercial item) is
connected to the remote alarm terminal. It is recommended to install a remote alarm equipment
(commercial item) when the freezer is installed in a desolate location so that an alarm status is noticed to
an operator.
Contact our representative or agent for the installation of a remote alarm equipment (commercial item).
Location of remote alarm terminal: lower right
Allowable contact capacity: DC 30 V, 2 A
Contact output:
Terminal
Normal status
Abnormal status
Between COM. and N.O.
open
close
Between COM. and N.C.
close
open
The remote alarm terminal is activated as shown in above in the case of:
power failure
turning off the power switch
disconnection of power supply cord from outlet
The operation of remote alarm terminal is not conjunction with the alarm buzzer. Accordingly, the
operation of remote alarm terminal cannot be canceled by the alarm buzzer stop key (BUZZER).
OPERATION CHECK AFTER RECOVERY
After recovery from a power failure, the unit will resume operation automatically with the setting before
power failure. Accordingly, there is no need for re-set however, always check the running status after
recovery.
The set value is memorized by nonvolatile memory during power failure.
CAUTION
After recovery from a power failure, always check the unit starts the operation normally with the setting
before power failure.
Use a twisted sealed wire for the connection.
Type: UL 2343, UL 2448, UL 2464, UL 2552, UL 2623
Length: 30 m max.
REMOTE ALARM
N.C. COM N.O.
MAX DC30V 2A
Содержание MDF-DU300H
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