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Solight 1D48 Carbon Monoxide and Flammable Gas Detector User Manual

Quick guide for the Solight 1D48 gas detector. Learn about installation, alarm thresholds, LED indicators, and emergency procedures for carbon monoxide and flammable gas detection.

Quick answers from the manual

Quick answer

  • The Solight 1D48 is a detector for carbon monoxide and flammable gases. Connect it to a power source and wait 3 minutes for it to initialize. If an alarm sounds, close the gas valve and ventilate the room. p. 1, 2

Key actions

  • Close gas valve and ventilate p. 2

First start

  • Connect to power and wait 3 minutes p. 1

Problems and fixes

Device error

Display shows 'FAIL' and yellow LED flashes.

p. 1

Technical specifications

Parameter Value Meaning Pages
Power Supply AC 90 - 240 V / 50 - 60 Hz Main power requirement p. 1
Operating Temperature 0-50°C Safe operating range p. 1

Where to find it in the PDF

  • Technical parameters and device description p. 1
  • Installation and emergency procedures p. 2
Table of contents

Manual images

Click an image to enlarge

Quick Guide

The Solight 1D48 is a dual-purpose detector for carbon monoxide (CO) and flammable gases (LPG, natural gas, methane). Upon connecting to power, the device requires approximately 3 minutes to warm up and become operational. The device features an LCD display for concentration levels and an LED indicator for status (Power, Alarm, Fault).

Device Description

The device interface includes:

Device controls and indicators
Device controls and indicators
  • LCD Display: Shows gas concentration levels. Displays "HHH" if CO exceeds 999 PPM or flammable gas exceeds 20% LEL.
  • LED Indicator: Green (Power), Red (Alarm), Yellow (Fault).
  • Test Button: Used for testing device functionality.
  • Speaker: Emits audible alarm.

Installation

Proper placement is critical for accurate detection. Do not install near vents, fans, doors, windows, or steam sources.

Illustration of a suitable installation for gas detectors
Illustration of a suitable installation for gas detectors
  • Heavier-than-air gas: Install 0.3-1m from the floor and less than 1.5m from the gas source.
  • Lighter-than-air gas: Install 0.3-1.5m from the ceiling and less than 1.5m from the gas source.

Alarm and Safety

The detector triggers an alarm based on the following thresholds:

  • Carbon Monoxide: 50PPM (60-90 min), 100PPM (10-40 min), 300PPM (up to 3 min), 400PPM (immediate).
  • Flammable Gas: Alarm sounds if concentration is greater than 6% LEL.

If the alarm is triggered:

  1. Immediately close the gas supply valve.
  2. Open doors and windows to ventilate the area.
  3. If the alarm is not a false positive, call emergency services immediately.

Technical Specifications

  • Power Supply: AC 90-240V / 50-60Hz
  • Battery Backup: 9V rechargeable (recommended, not included)
  • Operating Temperature: 0-50°C
  • Operating Humidity: 10-95%
  • Dimensions: 112x73x42mm

Practical help

Common problems

Display shows 'FAIL'

The device has detected an internal error while checking its status.

Frequent false alarms

Check that the detector location is appropriate and not near vents, fans, or steam sources.

Before use

  • Connect the device to a power outlet.
  • Wait approximately 3 minutes for the device to warm up and become ready.
  • Verify the LED indicator is green (Power).
  • Ensure the installation location is appropriate for the type of gas being detected (heavier vs. lighter than air).

Specs in practice

30PPM - 999PPM
Detection range for Carbon Monoxide.

Images and diagrams

  • The installation diagram illustrates the correct height placement relative to the floor or ceiling depending on whether the gas is heavier or lighter than air.
  • The device diagram identifies the LCD display, speaker, LED indicator, and test button locations.

Model compatibility

  • Detects Carbon Monoxide.
  • Detects flammable gases including LPG, natural gas, and methane.

Manual page author

Emily Carter

User documentation editor

Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.