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Macurco RD-xx User Manual
REV – 2.1
[34-2900-0511-7 ]
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9.
The Fan Relay will engage if the refrigerant concentration is greater than 1000ppm for longer than the Fan Relay Delay
time. Unless it is configured for latching, the fan relay will disengage once both of these conditions have been met:
•
Refrigerant gas concentration has dropped below 1000ppm
•
Fan Relay Runtime has been exceeded
The fan relay will engage in trouble fault condition (if the Trouble Fan Setting Option is set to “On”) and will disengage once
trouble fault condition is cleared.
10.
The Current Loop is 4 mA in normal condition and 20 mA when in alarm.
Figure 3-2 6-Series Rear View
Figure 3-3 6-Series Garage Diagram