Remote Alarm Terminal; Alarms & Safety Functions - Panasonic MDF-U4186S Series Operating Instructions Manual

REMOTE ALARM TERMINAL

The terminal of the remote alarm is installed at the upper side of the unit. The alarm is outputted from
this terminal.
Contact capacity is 2 A (DC 30 V) - 0.1 mA (DC 1 V).
a) output: normal open
b) output: normal close
connectors are connected with N.C. side.
Note:
The alarm is actuated when the power cord is disconnected from the outlet or the power switch is OFF.
ALARMS & SAFETY FUNCTIONS
This unit has the alarm and safety functions shown in table below, and also self diagnostic function.
Table 4. Alarm and safety function
Alarm & safety
High temperature
alarm
Power failure
alarm
Filter check
Auto-return
Door alarm
connectors are connected with N.O. side.
Situation
When the chamber temp. is
o o
approx. 10 C (or 15 C) higher
than the set temp.
At power failure
When power cord is
disconnected.
When the condenser filter
is clogged.
When there is no key
pressing in each setting
mode for 90 seconds.
When the door is open.
Remote alarm terminal
N.C.
COM
N.O.
Indication
Alarm lamp blinks.
Alarm lamp blinks.
Filter check lamp blinks.
Chamber temp. is
displayed.
Alarm lamp lights.
Blinks with 30 sec. delay
18
Buzzer Safety operation
Intermittent
Remote alarm
tone with 12
with 12 min. delay
min. delay
Intermittent
Remote alarm
tone
Intermittent
-----
tone
Finishing of each
-----
setting mode
Intermittent
tone with 30 -----
sec. delay