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MDF-U333
Items Specification
Temperature controller
Microprocessor controlled system with non-volatilized memory.
Temp. set range : -18℃～-40℃
Temperature sensor Thermistor
Temperature display
LED digital display (green colored) by 1℃.
Range : -50℃～50℃
High/Low
Temperature
Changeable SV±5℃～15℃. (Initial SV±10℃)
ALARM lamp brinks and buzzer sounds intermittently
(about 15 min. delay)
Remote alarm contact: turns ON during power failure alarm.
Power failure
ALARM lamp brinks, buzzer sounds intermittently, remote alarm
contact turns ON during power failure alarm.
Alarm
Remote alarm
contact
Remote alarm terminal 3P: contact capacity DC30v, Max2A, N.O.
–COM. (During power failure, temperature alarm: ON)
Control panel
ALARM lamp
BUZZER: Buzzer key
ALARM TEST: Alarm test key
SET: To switch the SV and PV
＞: To shift the set digit
∧: To change the SV
DEF: Defrost key
Operation
panel
Rear
Power switch (Breaker switch)
Battery switch: Power failure alarm switch
Key lock function
Press ＞ key for five seconds
L0: Unlock L1: Lock
Self diagnosis function
When each sensor is in fault,
Error code and internal temperature are displayed alternately.
Remote alarm contact turns ON with buzzer sounds.
Power switch Breaker switch
Compressor protection Overload relay
Option
Chart recorder: MTR-G85
Mounting kit: MPR-S7(for bottom mounting)
: MDF-S740T(for top mounting)
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