Welch-allyn GS 777 Wall Transformer - User Manual User Manual download pdf

Intended use

This product is intended to supply power to Welch Allyn 3.5V instruments.

Symbol descriptions

General warnings and cautions

WARNING Read and understand the instructions before using this

product. Failure to understand the operating requirements for

this product can result in injury to you or the patient and can

damage the product.

WARNING Explosion hazard. Do not operate this product in the

presence of flammable anesthetics or other flammable substances in

combination with air, oxygen-enriched environments, or nitrous

oxide.

WARNING Electric shock hazard. Do not simultaneously touch the

patient and the center metal contact of the handle.

WARNING Do not modify this equipment. Any modification of this

equipment can lead to patient injury. Any modification of this

equipment voids the product warranty.

Caution As a precaution, avoid using this product in close proximity

to other equipment. The product complies with current required

standards for electromagnetic interference and should not present

problems to other equipment or be affected by other devices.

Caution Only authorized Welch Allyn Service Centers can perform

service on this product.

Caution To make sure that the transformer can be unplugged from

the AC power source, never block access to the wall socket.

Caution Rx only (for professional use).

Setup

WARNING Welch Allyn is not responsible for the integrity of any

mounting installation. Welch Allyn recommends that customers

contact their Biomedical Engineering Department or maintenance

service to ensure professional installation for safety and reliability of

any mounting accessory.

Attach Welch Allyn 3.5V instrument heads of your choice to the handles. See

the directions for use for each instrument head.

Using the handles

Ensure that the transformer is plugged in.

1. Lift the handle from the cradle.

The instrument powers on. Only one instrument can be powered at a

time.

2. Adjust the light output by turning the rheostat on the handle.

• Turning the rheostat clockwise increases the light output.

• Turning the rheostat counterclockwise decreases the light output.

Note Decreasing the light output to the minimum level does not power

down the instrument.

3. Follow the directions for use for the instrument head when examining a

patient.

Caution To prevent damage, do not overstretch the cords on the

handles.

Caution To minimize the external housing temperature of the

instrument head, on-time must not exceed 2 minutes, and off-time

must be a minimum of 10 minutes.

4. Return the handle to the cradle.

The 3.5V instrument powers down.

Cleaning

WARNING Before you clean the transformer, unplug it from the wall

socket.

WARNING Electric shock hazard. DO NOT autoclave the transformer

or accessories.

WARNING Liquids can damage electronics inside the transformer.

Prevent liquids from spilling on or dripping into the transformer. If

liquids are spilled on or drip into the transformer:

1. Disconnect the power plug.

2. Remove the transformer from the wall.

3. Dry off excess liquid from the transformer.

4. Mount the transformer on the wall.

5. Verify that the transformer functions normally before using it.

Clean the transformer on a routine basis according to your facility's protocols

and standards or local regulations.

To clean the transformer (excluding the instrument heads), use any of the

following:

• A clean cloth slightly dampened with 70 percent isopropyl alcohol or 10

percent chlorine bleach solution. Wipe dry with a clean cloth.

• Sani-Cloth

Plus.

• CaviWipes

™

(see caution below).

Caution Do not use CaviWipes to clean the blue handle cradles. This

cleaning agent produces bubbles and liquid during the cleaning

process that can enter openings in the cradles and limit handle

performance for as long as 30 minutes after cleaning.

To clean the instrument heads, follow the instructions provided in their

directions for use.

Specifications

Environment

Operating:

Transport/storage:

Additional technical information

www.welchallyn.com/GreenSeries777WallTransformer

Approvals

IEC 60601-1, UL 60601-1, IEC 60601-1-2, CAN/CSA C22.2 No 601.1-M90,

AS/NZS3200

Warranty

Five-year limited warranty.

Guidance and manufacturer’s declaration

The guidance and manufacturer’s declaration information is available at

www.welchallyn.com/GreenSeries777WallTransformer.

AC input

power

DC input

power

DC output

power

Separate Waste Electronic

and Electrical Equipment

(WEEE) from other

disposables. Prepare this

product for reuse or separate

collection as specified by the

WEEE Directive 2002/96/EC

or local law.

The product does not

contain hazardous

substances above threshold

values defined in China

Standard SJ/T 11363 –

2006. The product is green

and environmental and can

be recycled after use.

Illuminated: Power is present.

Not illuminated: No power.

Type BF applied part

GS 777 Wall Transformer

Manual part no. 718210, 80017279 Ver. E

777XX

Caution Host USB

to be used to power

Welch Allyn approved

devices only.

1 3/8 in

(35 mm)

5 in

(127 mm)

1/8 in

(3 mm)

Temperature limitation Humidity limitation Atmospheric pressure limitation

Safety Class II, Intermittent Operation

Electrical

Power supply:

100–240V, 50–60 Hz, 0.18A max 5V, 1A

Transformer:

5V, 1A 5V, 0.5A

Welch Allyn, Inc.

4341 State Street Road

Skaneateles Falls, NY 13153-0220 USA

www.welchallyn.com

Regulatory Affairs

Representative

Welch Allyn Limited

Navan Business Park

Dublin Road

Navan, County Meath

Republic of Ireland

www.welchallyn.com/weee

59°F

(15°C)

104°F

(40°C)

700 hPa

1060 hPa

15%

95%

-4°F

(-20°C)

120°F

(50°C)

700 hPa

1060 hPa

15%

95%

GS 777 Wall Transformer 1

Summary of Contents

Page 1 - GS 777 Wall Transformer

Intended useThis product is intended to supply power to Welch Allyn 3.5V instruments.Symbol descriptionsGeneral warnings and cautionsWARNING Read and

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