M&C EC-30C Instruction Manual page 31

Components Alarm type
Pre-cooling unit
Temperature
Temperature
Deep-cooling
unit I
Peltier-
element(s)
0 - 20 V
Module 1
Temperature
Deep-cooling
unit II
Peltier-
element(s)
0 - 20 V
Module 2
EC-30C | 1.00.02 +49 2102 935 888
Symbol Code Description
Temperature
01
too high
Temperature
02
too low
Cooling
10 temperature
too high
Heating
11 temperature
too high
12 Loss of power
13 defect
14 defect
Cooling
20 temperature
too high
Heating
21 temperature
too high
22 Loss of power
23 defect
24 defect
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Comments
T1 ≥ +5 °C (41 °F)
T1 ≤ -1 °C (30.2 °F)
T2 ≥ T2 +3 °C (37.4
set
°F)
T2 ≥ +30 °C (86 °F)
U ≥ 19.7 V
PE1
No cooling despite
the FET, relay etc. OK
U ≤ U -1 V
OUT OUT, set
or
U ≥ U +1 V
OUT OUT, set
T3 ≥ T3 +3 °C (37.4
set
°F)
T3 ≥ +30 °C (86 °F)
U ≥ 19.7 V
PE2
No cooling despite
the FET, relay etc. OK
U ≤ U -1 V
OUT OUT, set
or
U ≥ U +1 V
OUT OUT, set
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