Hanwei GD Operation Manual

GD Series

Gas Alarm Operation Manual

Hanwei Electronics Co.,Ltd

Hanwei Electronics Co., Ltd www.hwsensor.com

[e-mail] Fax: [phone] Tel: [phone]

1

Precautions:

To avoid personal safety injury, Instrument damage and potential dangerous accident; do
not use the product before reading this manual.

1. Description

GD gas alarm is a kind of wall-mounted household gas alarm designed to detect the
concentration of combustible and toxic gases or vapors using high quality air-sensitive
component and manufactured with advanced technology. It provides visual and audible
signals when the gas concentration reaches the presetting range, and reminds you to take
prompt favorable action.

2 Specifications

Model

□GD401 □GD601

Operating Power

AC220V/110V±15%/DC24V/DC12V ≤3W

Operating Conditions

Temperature: 0℃～55℃ Humidity：＜95%

Response time

≤30s（GD701≤2.5min ） resume automatically

Gas Sampling

Diffuse naturally

Alarm Level

GD401： for natural gas 10%LEL

GD601： for propane 10%LEL

Alarm Method

Visual and audible

Sound level

≥80dB

Weight

270g

Dimension

l×b×h,mm:126×72×47.5

Optional function

□Gas shut off valve □relay output

Note: the power and the alarming level can be specified.

Hanwei Electronics Co., Ltd www.hwsensor.com

[e-mail] Fax: [phone] Tel: [phone]

2

3 Functions and Indications

4. Installation

4.1 Fix the appliance on the wall at a horizontal distance as 2~4m from the cooker or gas
source;

4.2 The vertical location of the appliance should be decided according to the type of gas

sort:

 LPG：Fix it within 0.3 meters above the ground;
 Natural Gas：Fix it within 0.3 meters below the Roof
 Such location should be avoided：

 Near the windows or passage with strong wind,
 Water fog and drop or such moist place；
 Easy polluted or high tem environment near Oven,
 Covered by other things.

4.3 Choosing a proper installation way per conditions above.

Installation 1: Choose a suitable wall or place per the above 4.1, 4.2 requests. Fix the

hanging plate onto the wall with M5 or M3 screw through the screw hole (as the

following drawing, two optional types φ5 and φ3), then connect the appliance with the

hanging plate.

1

POWER Light (Green)

2

W-UP Light (Yellow)

3

FAULT Light (Yellow)

4

ALARM Light (Red)

5

TEST Button: press to test alarm function

6

W-UP Button: press to stop the warm up.

7

Air vents

1

3

4

5

6