3
ŶControl specifications
Item Specifications
Cooling performance -80℃ (1/2H temp, AT 30℃, no load)
Temperature control range -60℃~-80℃(AT5~30℃, no load)
Temperature controller Microprocessor controlled system: Key-pad input
Temperature set range: -55℃~-85℃ (1℃ increment)
Set value kept in non-volatile memory
Temperature sensor Pt.1000Ω
Temperature display LED digital display（1℃ increment）
Temperature Selectable +5℃~+20℃ for high temp. alarm (Initial; +10℃)
ALARM lamp blinks and intermittent buzzer beeps with
15min.of delay
Remote alarm contact: Normal Open, rating 30VDC, 2A
Temperature alarm turns on during power failure
(not linked with buzzer)
Filter None
Power failure ALARM lamp blinks with intermittent buzzer beeps, remote
alarm outputs.
Remote alarm 3P remote alarm terminal: Maximum 30VDC, 2A
NC-COM、NO-COM
Outputs during temperature alarm and power failure alarm.
Alarm
Battery BATTERY lamp is lit.
Accumulating period: 2.8 years
Control panel Lamp: ALARM, BATTERY
BUZZER: Buzzer key
ALARM TEST: Alarm test key
SET: To switch SV and PV
＞: To shift the digit
ȁ: To change the digit
Key lock function With ＞ key is pressed for 5 seconds;
L0: Unlocked L1: Locked
Self diagnosis function When any failure occurs on the temperature sensor,
・Error code and internal temp.(PV) are alternately displayed.
・Remote alarm contact is ON and the buzzer beeps.
Power switch None
Compressor protection Overload relay, Comp. sensor
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