User Manual Q&AAnswer
Mar 03, 2025 - 12:15 AM
To install and wire the RKI Instruments 82-5221 Emergency Stop Device, follow the instructions provided in the user manual. Here is a step-by-step guide:
1. Mounting:
- Select a suitable mounting site that has an available AC power source, a vertical surface, enough room to open the housing door and make wiring connections, and is easily accessible in case of an emergency.
- Loosen the screws securing the mounting feet to the housing and rotate the feet to their mounting position.
- Position the 82-5221 on the vertical mounting surface and secure it using 3/16 in. screws through the mounting slots.
2. Factory Wiring:
- The factory wiring connections should not need adjustment.
3. Field Wiring:
- Turn off or unplug power to the 82-5221 and open the housing door.
- Power Wiring:
- Guide a 3-conductor cable or 3 wires in conduit through the conduit hub on the bottom of the housing.
- Connect one end of the three wires to the L, N, and ground terminals on the power supply.
- Connect the other end of the three wires to the line, neutral, and ground terminals on a 115 VAC power source.
- Solenoid Wiring:
- Guide a 2-conductor cable or 2 wires in conduit through the conduit hub on the bottom of the housing.
- Connect one end of the two wires to the "Solenoid Control" terminals on the Field Wiring Terminal Strip.
- Connect the other end of the wires to the + or line terminal on a 24 VDC or 115 VAC power source and to the solenoid valve's + or line input.
- For a DC-powered solenoid valve, connect the - terminal on the 24 VDC power source to the solenoid valve's - input.
- For an AC-powered solenoid valve, connect the N terminal on the 115 VAC power source to the solenoid valve's N input.
- Remote Relay Contact Wiring (optional):
- Remove the jumper from the Field Wiring Terminal Strip.
- Guide a 2-conductor cable or 2 wires in conduit through the conduit hub on the bottom of the housing.
- Connect the wires to the "To Alarm Contacts" terminals on the Field Wiring Terminal Strip.
- Guide the other end of the wires to the normally open remote relay contact.
- Connect the wires to the NO and C contacts on the relay that you want to use to control the solenoid valve.
- Close the housing door.
4. Start-Up:
- Ensure the emergency stop button is not pushed. If it is pushed, turn it clockwise to reset it.
- Turn on power to the 82-5221, power to the solenoid valve, and power to the device whose relay contact is wired to the 82-5221 (if used).
- Power will be immediately applied to the solenoid valve, and the green LED on the stack light will turn on.
Please refer to the user manual for additional information, diagrams, and safety precautions.
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