Fire-Lite MP-12 User Manual

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12 Clintonville Road, Northford, CT 06472

MP-12/24

Fire Alarm Control Panel

Instruction Manual

P/N 15440:G ECN 96-200

Document 15440

6/6/96 Rev:

G

Questions and Answers:

D
donaldbakerAug 7, 2025
What to do if a zone is always in alarm on my Fire-Lite MP-12?
- E
  Elijah HallAug 7, 2025
  If a zone is always in alarm on your Fire-Lite Control Panel, there are several potential causes and solutions: * A defective detector could be the cause. Disconnect the field wiring and install ELRs. If the panel resets to normal, check for a damaged or incorrectly wired detector and replace it. * A shorted heat detector or activated station could be the cause. Locate the detector and replace it. * Too many smoke detectors on the zone. Reduce the number of detectors. * A damaged circuit card. Remove the zone wires and install an ELR resistor. If the trouble clears, check the field wires. If the trouble does not clear, replace the circuit board.
B
Bethany CoxAug 21, 2025
Why is the Trouble LED on and the ACP Power LED off on my Fire-Lite MP-12 Control Panel?
- N
  Natasha JacksonAug 21, 2025
  If the ACP Power LED is off and the Trouble LED is on for your Fire-Lite Control Panel, several issues could be the cause. First, check the incoming power supply to ensure it's functioning correctly. If the power supply is not the issue, inspect the 1A fuse or circuit breaker and replace it if damaged. A damaged D37 LED could also be the cause, requiring you to replace the circuit board. Finally, a damaged power supply might be the culprit; in this case, check connector P1 for voltage readings. If there's no voltage, replace the power transformer.

Fire-Lite MP-12 Specifications

General

Type	Conventional Fire Alarm Control Panel
Number of Zones	12
Mounting	Surface mount
Input Voltage	120VAC
Output Voltage	24VDC
Operating Temperature	32°F to 120°F (0°C to 49°C)
Compatibility	Fire-Lite devices
Power Supply	120 VAC, 60 Hz
Relative Humidity	Up to 93% RH, noncondensing

Summary

Installation Precautions and System Limitations

Fire Alarm System Limitations and Considerations

Details functional limitations of the fire alarm system, including detector capabilities, environmental factors, and maintenance needs.

Controls and Indicators of the Fire Alarm Panel

Control Switches and Their Functions

Describes the function of each control switch on the panel, including RESET, TROUBLE SILENCE, and DISABLE.

System Status Indicators and LED Descriptions

Explains the meaning of various LEDs (ALARM, TROUBLE, AC) and the audible tone signals.

Technical Specifications of the MP-12/24 System

Power Requirements and Detection Loop Specs

Specifies system voltage, current draw, and detailed parameters for the detection loop circuits.

Circuit, Detector, and External Power Specs

Installation Instructions for the Control Panel

Printed Circuit Board Handling and Installation

Field Wiring and UL Power Limited Requirements

General Field Wiring Practices

Power Limited Wiring Separation Rules

Alarm Initiating Device Wiring

Specific Detector Wiring Instructions

Circuit and Power Connections

Notification Appliance Circuit Connections

Regulated DC Output and AC Power Inputs

Standby Battery Selection and Installation

Covers battery selection, safety precautions, and the correct procedure for connecting the standby battery.

Periodic Testing and Maintenance Procedures

Detailed System Testing Procedures

Step-by-step guide for performing various tests on zones, switches, circuits, and battery backup.

Troubleshooting Guide for System Issues

Expected System Behavior Indicators

Troubleshooting Tips and Systematic Approach

Offers general advice and a systematic method for diagnosing and resolving system problems.

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