81
Technical specifications
Wiring Diagram
Permitted Temperature -22 F to +194 F
Differential Pressure
Cut-out 9 psig ±1 psig
Reset 13 psig ±1 psig
Operating Pressure 435 psig
Electronic Unit (BN/BU) Dual Voltage Connection AC 50/60 Hz 115-230V -15/+10%
Operating Recognition Connection (D1) Dual Voltage AC 50/60 Hz 115-230V -15/+10%
Ambient Temperature Range -22 F to 158 F
Delays:
• Relay on after applying the supply voltage 3s ±1s
• Relay on after previous locking 120s ±5s
• Starting transition time D1 active 5s ±2s
• Relay off (error) 5s ±2s
• Relay off (diff. pressure missing) 120s ±5s (time integration)
• Reset by interrupting the supply voltage About 5s
• Reset by button About 1s
• Reset by operating recognition (D1) About 1s
Output Relay AC 240V 2.5A C300
Protection Class Acc. to EN60529 IP54 in built-in status
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