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Chapter 5 - Testing and Repair
Overview
If the UV Lamp Socket or wire connected to it is damaged they must be replaced. The UV Lamp Socket and
the wire come as one piece. They are not available individually. There are two methods of replacing UV
Lamp Sockets, the Individual Method or the Wiring Harness Method. Use the following directions for replac-
ing:
DANGER: Replacing UV Lamp Sockets as outlined on the following pages MUST be performed by a Gaylord
Certified Service Agent. For a list of Gaylord Certified Service Agencies (CSA's) visit
www.gaylordventilation.com and go to "Service Agencies" or call Gaylord Industries at 503-691-2010.
Safety Precautions
Caution: Tasks involved in replacing UV Lamp Sockets involve potential exposure to high doses of UV light
and live electrical components. There is a risk of serious injury to skin and eyes from UV light. There is a
risk of shock, injury, and /or death from contact with live electrical components.
Personal Protective Equipment
1. Eye protection that prevents 100% of UV light being transmitted through the lens must be worn at all
times when working on UV Lamp Modules on any ELXC-UV Ventilator that is energized and/or has the
potential to be energized and expose personnel to UV light.
2. Whenever service work is performed it is recommended that long sleeve shirts and pants be worn to
minimize the potential for inadvertent exposure of the skin to UV light.
Instructions for Replacing UV Lamp Sockets – Individual Method
To replace UV Lamp Sockets carefully use the following step by step instructions.
1. Turn off all power to the Gaylord Command Center.
2. Turn off all circuits that supply power to the UV Lamps.
3. Open the UV Module Access Door (Refer to Figure 5-9-1).
4. Disconnect the Lamp / Ballast Connector Cable by twisting the connector counter clockwise (refer to
Figure 5-13-1).
5. Carefully slide out the UV Module and place on a work bench.
6. Referring to Figure 5-13-3, remove the two bolts pc #9, washers, pc #8, Module End Cap pc #7, and the
Silicon Gasket, pc #6, from each end of the module.
7. Slide off each UV Lamp Socket, pc #5, from the Lamps at each end of the Module.
8. Remove the four screws that hold the base of the Pinned Receptacle, Figure 5-13-3 pc #11, to the Lamp
Module and pull the base away from the Module until the wires are exposed.
9. The UV Lamp Sockets are numbered 1 through 6. The wire from each UV Lamp Socket is wired back to
the Pinned Receptacle and connected to a pin labeled A through N (refer to Figure 5-11-1). There are two
UV Lamp Sockets with wire per Lamp. One is called the UV Lamp Socket Long Wire, the one that runs to
the opposite end of the Pinned Receptacle. The other is called the UV Lamp Socket Short Wire, the one
that is at the end with the Pinned Receptacle. Identify the wire by number to be replaced.
10. Cut the identified wire at the Pinned Receptacle. CAUTION: Do not pull the UV Lamp Long Wire out at
this time. It is needed to pull the new Lamp Socket through the conduit tube.
Replacing UV Lamp Sockets
5-10
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