Sanyo MDF-U333 Service Manual page 7

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