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3
21. H
O
key*
2
2
This key is to run H
O
decontamination. Refer
2
2
to page 71～75.
2
22. Unlock key*
Press this key is to unlock the outer door when
it is auto-locked by electric lock. Refer to page
80. When the auto lock function is OFF, this
key is not displayed.
*3: The H
O
decontamination function is workable under any of the following conditions. When the
2
2
condition is not fulfilled, the H
・When an H
O
generator MCO-HP is installed in the MCO-170MUVH.
2
2
・When all H
O
generator MCO-HP, H
2
2
installed in the MCO-170MUV.
・When all UV system set MCO-170UVS, H
electric lock MCO-170EL are installed in the MCO-170M.
Remote alarm terminal
The alarm of this product can be informed at a remote location from this product by connecting the external
alarm unit to the remote alarm terminals. For the type and behavior of remote alarm output, refer to page
91～94.
The terminal of the remote alarm is installed at the
rear upper right of the unit (See the figure on the
point). The alarm is outputted from this terminal.
Contact capacity is DC 30 V, 2 A.
When Buzzer key is pressed, the behavior of the
remote alarm is showed in Table.1.
Note: In the door alarm, the remote alarm does not
work. Refer to page 91 and 93.
Table 1 Behavior of the remote alarm when pressing the Buzzer key
Remote Alarm setting
(Refer to page 46～48)
ON:
Non-interlock with Buzzer key
OFF:
Interlock with Buzzer key
*In case of Err01 (CO
gas cylinder empty）, Err02 (N
2
12(CO
sensor error), the condition returns to normal.
2
O
key is not displayed on the LCD touch panel.
2
2
O
decon board MCO-170HB and electric lock MCO-170EL are
2
2
O
generator MCO-HP, H
2
2
Connecting
Normal
terminal
condition
COM.-N.C.
Close
COM.-N.O.
Open
COM.-N.C.
Close
COM.-N.O.
Open
2
23. Buzzer key
Press this key to silence the buzzer. However,
when the ring back is ON, the buzzer will
sound again when the ring back passed and
the alarm state still continues. Refer to page
48 and 91～94.
Note: It is not possible to silence the buzzer
for the high limit temperature alarm.
O
decon board MCO-170HB and
2
2
Abnormal condition
(Including in the cases of power outage and
of where the power plug is pulled out.)
When pressing the buzzer key
Open
Open (Maintain in abnormality)*
Close
Close (Maintain in abnormality)*
Open
Close (Return to normal)
Close
Open (Return to normal)
gas cylinder or O
gas cylinder empty）, Err11 and
2
Remote alarm
terminal
15
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