® Welch Allyn Light Source For Model Numbers: 49500, 49502, 49504 and 49506.
CONTENTS Thank you for purchasing the Welch Allyn® Light Source, designed by a leading worldwide manufacturer of illuminated diagnostic instruments. By following the use and care guidelines given in this manual, you will be rewarded with years of dependable, trouble-free service from your new Light Source. Read these instructions thoroughly before use. System Symbol Descriptions.......................... 1 Warnings and Precautions .............................. 2 System Description.........................
SYMBOL DESCRIPTIONS Attention: Read Operating Manual for Warnings, Precautions, and Instructions for Use. Dangerous Voltage: Refer Servicing to Qualified Personnel. Type B Equipment Caution — Hot Warning: Risk of Fire. Replace Fuses as Marked. Light; Lighting; Illumination Intensity INDICATIONS Use of the Welch Allyn Light Source is indicated for medical lighting applications requiring a remotely located, high-quality white light. This product must only be used by qualified medical personnel.
WARNINGS AND PRECAUTIONS WARNING: Possible explosion hazard. Do not use in the presence of flammable anesthetics. To ensure patient and operator safety, read and understand this manual before using the Welch Allyn Light Source. Do not remove cover. Electrical shock hazard due to high internal voltage. There are no user serviceable parts inside except for the lamp and fuse, which are accessible through the bottom and back cover panels. Refer all service to Welch Allyn. Replace fuses as marked.
CAUTION: The Light Source should only be used by qualified medical personnel. Provide adequate ventilation to prevent overheating. Do not cover or drape this light source. Provide a 3 inch (7.62 cm) distance between the Welch Allyn Light Source and any solid objects. Grounding reliability is achieved only when connected to hospital-use or hospital-grade receptacles. Inspect electrical plug and cord routinely. Do not use if damage is discovered.
SYSTEM DESCRIPTION The Welch Allyn Light Source is used to supply high quality, white light for video and optical illumination systems. It accepts standard ACMI connectors.
SET-UP AND OPERATION After a 15 second warm-up period, the light output will stabilize at its normal intensity. The fiber optic bundle must be plugged in to stabilize light output. CAUTION: Verify that the supply voltage matches the voltage range indicated on the rear of the Welch Allyn Light Source. To prevent temporary blinding, turn power on only after the fiber optic bundle is plugged in and the intensity control knob is set to the minimum position.
MOUNTING CAUTION: Do not cover or drape, light source generates heat. For proper ventilation, maintain a clearance of 3 inches (8 cm) around the unit, especially around the fan. Secure bracket to a flat surface with screws provided. Align mounting post on Light Source with mounting hole on bracket (View A). Slide mounting lock until it clicks into place (View B). Light Source is now securely mounted to table.
LAMP REPLACEMENT CAUTION: Lamp may be hot. Allow the lamp to cool before replacing. 1. Turn unit off and unplug the power cord from both the wall outlet and the Welch Allyn Light Source. 2. Remove the lamp door from the bottom of the Welch Allyn Light Source by unscrewing the lamp access knob on the back of the lightbox. Lamp Access Knob Lamp Access Door 3. Disconnect the lamp connector assembly and remove the lamp from the holding spring assembly.
FUSE REPLACEMENT 1. Turn the unit off and remove the power cord from both the wall outlet and the Welch Allyn Light Source. Fuse Holder Fuse Holder 2. Use a small screwdriver to remove the fuse holder above the power cord connector by releasing the spring-loaded snap connections. 3. Pull out the fuse holder. 4. Remove and replace with new fuses of the same type. There is no required orientation of the fuses. Be sure to replace both fuses. Snap Connections Fuses 5.
CLEANING NOTE: Welch Allyn Light Source should not be sterilized or immersed. 1. Prior to cleaning, turn power off and disconnect the power cord from both the wall outlet and the Welch Allyn Light Source. 2. The external surfaces may be cleaned by wiping with a cloth dampened with mild soap and water or by using the following cleaning/disinfecting solutions. DO NOT IMMERSE. • Cidex, CidexPlus • 70% isopropyl alcohol • 10% mild bleach solution • Metracide • 10% Wescodyne • Banicide • Wavecide-01 3.
SPECIFICATIONS ELECTRICAL Input Voltage: 100 - 240 VAC, 50 - 60 Hz Input Current: 1A (@ 100 VAC) Output: 60 VDC @ 0.4A Leakage Current: less than 100 microamps DIMENSIONS 8.2" (21 cm) (L) x 3.1" (8 cm) (W) x 5.2" (13 cm) (H) ILLUMINATION SYSTEM Welch Allyn HI•Lux™ Lamp Color Temperature: 5500°K Lamp: 60 Volts, 24 watts Lamp Life: 300 hours average DIMMING SYSTEM Manual Shutter: 20% to 100% FIBER OPTIC BUNDLE INTERFACE Standard ACMI Connector APPROVALS UL 2601-1 IEC 801-2,3,4,5 CSA C22.2 NO 601.
TROUBLESHOOTING If lamp is not illuminating and … fan is not operating. fan is operating. POSSIBLE CAUSE SOLUTION Light Source is not plugged into either the wall outlet or the power cord socket. Plug the power cord into the wall outlet and power cord socket at back of unit. Power switch is not turned on. Depress the “I” side of the power switch. The bottom cover is not properly installed.
MAINTENANCE AND REPAIR For minor trouble, refer to the troubleshooting section in this manual for possible causes and corrective action. Only qualified personnel should make electrical inspections of the Welch Allyn Light Source. Repair: To locate qualified personnel, contact your local authorized Welch Allyn distributor, or call Welch Allyn directly at 315-685-4560.
ORDERING INFORMATION 49500 Welch Allyn Light Source 100-240 VAC 50-60 Hz U.S.A. Plug Type 49502 Welch Allyn Light Source 100-240 VAC 50-60 Hz European Plug Type 49504 Welch Allyn Light Source 100-240 VAC 50-60 Hz U.K. Plug Type 49506 Welch Allyn Light Source 100-240 VAC 50-60 Hz Australian Plug Type REPLACEMENT PARTS 09500 24W HI•Lux Lamp 76500 U.S.A. Power Cord 76502 European Power Cord 76504 U.K.
4341 State Street Road Skaneateles Falls, NY 13153 Telephone: 800-535-6663, 315-685-4560 FAX: 315-685-3361 Part # 495002 Printed in U.S.A.
