Space Age Electronics SSU-MR-101 Multi-Voltage Control Relay User Manual

1. Introduction

The Space Age Electronics SSU-MR-101/C/R is a multi-voltage control relay designed for various security and surveillance applications. This device provides reliable control and indication of relay operation, featuring a red LED for status monitoring. It is engineered for easy installation on a 2-inch plastic track and offers flexible mounting options.

2. Safety Information

WARNING: Installation and servicing must be performed by qualified personnel only. Disconnect all power sources before installing, servicing, or removing the device to prevent electric shock or equipment damage.

The relay operates with multiple voltage inputs. Ensure that the power supply matches the specified voltage requirements for the intended operation. Incorrect voltage can damage the unit and pose a safety hazard.

Observe all local and national electrical codes and regulations during installation.

3. Product Overview

The SSU-MR-101/C/R Multi-Voltage Control Relay consists of a durable housing, a circuit board with relay components, and screw terminals for electrical connections. A red LED indicates the operational status of the relay.

Figure 3.1: Back view of the SSU-MR-101/C/R relay. The red cover features a caution label regarding high voltage terminals and the necessity to disconnect power before servicing. Mounting holes are visible at the top and bottom.

Figure 3.2: The SSU-MR-101/C/R relay with its red cover removed, exposing the internal circuit board. The board contains relays, capacitors, resistors, and screw terminals for wiring connections. The metal mounting bracket is also visible.

Figure 3.3: A detailed view of the SSU-MR-101/C/R circuit board. Key components include two relays labeled 'AP&C RELAY', a red LED, and multiple screw terminal blocks for input and output wiring. Voltage markings (0, 24, 115, 230) are visible near the input terminals.

4. Setup and Installation

4.1 Mounting

1. The SSU-MR-101/C/R is designed for DIN Rail mounting. Ensure a suitable 2-inch plastic track is available for installation.
2. Secure the plastic track using the provided mounting hardware in the desired location.
3. Align the relay module with the track and snap it into place. Ensure it is firmly seated.

4.2 Wiring Connections

The relay utilizes screw-type terminals for secure electrical connections. Refer to the wiring diagram provided with your specific system documentation for precise connection points. General guidelines are as follows:

• Input Power: Connect the appropriate multi-voltage power supply to the designated input terminals (e.g., 0, 24, 115, 230). Ensure the voltage selected matches your system's requirements.
• Control Inputs: Connect control signals to the relevant input terminals as per your system design.
• Output Contacts: The relay provides Normally Open (NO) and Common (COM) contacts. Connect the load to be controlled to these terminals. When the relay is activated, the NO contact will close, completing the circuit to the load.
• Ensure all wire connections are tight and secure to prevent intermittent operation or electrical hazards.

5. Operating Instructions

The SSU-MR-101/C/R operates automatically based on the input control signals. Once properly installed and powered, the relay will respond to these signals to switch connected loads.

• Power On: Apply power to the relay's input terminals.
• Status Indication: A red LED on the circuit board will illuminate when the relay is activated, indicating that the output contacts have changed state (e.g., Normally Open contacts have closed).
• Automatic Operation: The relay will automatically switch its contacts based on the presence or absence of the control signal, as configured in your system.

6. Maintenance

The SSU-MR-101/C/R Multi-Voltage Control Relay is designed for long-term, reliable operation with minimal maintenance. However, periodic checks are recommended:

• Visual Inspection: Periodically inspect the relay for any signs of physical damage, loose connections, or discoloration.
• Connection Integrity: Ensure all screw terminal connections remain tight. Loose connections can lead to overheating or intermittent operation.
• Environmental Conditions: Ensure the operating environment remains within the specified temperature and humidity ranges to prevent premature component failure.
• Cleaning: If necessary, gently clean the exterior of the relay with a dry, soft cloth. Do not use liquid cleaners or solvents.

CAUTION: Always disconnect power before performing any maintenance or inspection to avoid electrical shock.

7. Troubleshooting

If the SSU-MR-101/C/R relay is not functioning as expected, consider the following troubleshooting steps:

• No LED Indication:
  • Verify that power is supplied to the correct input terminals and that the voltage is within the specified range.
  • Check for loose wiring connections at the power input.
• Relay Not Activating:
  • Ensure the control signal is present and correctly wired.
  • Confirm that the input voltage is correct for the relay's operation.
• Intermittent Operation:
  • Inspect all wiring connections for tightness and proper insulation.
  • Check for environmental factors such as excessive heat or moisture.
• Load Not Switching:
  • Verify the load itself is functional and correctly wired to the output contacts.
  • Ensure the relay is activating (check the LED indicator).

If issues persist after performing these checks, contact a qualified technician or the manufacturer for further assistance.

8. Specifications

9. Warranty and Support

For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact Space Age Electronics directly. Keep your purchase receipt as proof of purchase for warranty claims.

Manufacturer: Gator Gate