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Specifications

 
RC-420M
Ultra-temperature complex-compressor controller (2 platinum resistors temperature sensor)
Technical parameters:
Temperature controlling range: -99~100 ºC
Resolution: 0.1 ºC
Accuracy: ±1 ºC
Power supply: 220VAC±10%
Consumption: ≤3W
Low and high temp. compressor relay capacity: 10A
Defrost relay capacity: 5A
Operating temperature: -10~60 ºC
Operating humidity: 20%~85%

RC-420M is specially designed for ultra-temperature equipments such as ultra-temperature refrigerator and ultra-temperature storage refrigeratory. It adopts platinum resistor temp. sensor and Teflon wire, accurate and stable performance.
 
Code
Function
Setting range
Default
Unit
F01
Temp. setting
F10~F11
-45
ºC
F02
Temp. controlling differential
0~15
6
ºC
F03
Shutdown temp.
0~9
4
ºC
F04
Compressor delay
0~9
2
Min
F05
Defrost cycle
0~99
12
HR
F06
Defrost time
0~99
25
Min
F07
Defrost duration
0~9
3
Min
F08
High temp. alarm
1~30
30
ºC
F09
Alarm delay
0~99
15
Min
F10
Setting highest temp. limit
F01~100
-20
ºC
F11
Setting lowest temp. limit
-99~F01
-80
ºC
F12
Temp. calibration
-12~12
0
ºC
OU
Exit menu
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