Labconco Logic+ A2, Technical Manual

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4. Install the UV ballast with the hardware (two screws, washers and nuts) provided
in the kit. See Figure 19-1 for reference.
5. Install the relay as shown in Figure 19-1, and secure it with the hardware
provided in the kit.
6. Identify the four circuit wire connectors described below, remove the protective
black cover from each connector with a utility knife, and wire the relay.
Relay Coil: 35-RED & 33BC-BLU (no orientation sensitivity)
NO (normally open): 25-ORG
COM (common): 3E-BLK
7. Connect the UV ballast into the electronics module wiring harness as described
below:
UV Ballast Wires
White wire
2E-WHT
Black wire 25-ORG
Red wires 16-RED & 17-RED (no orientation sensitivity)
Yellow wires 18-BLU & 19-BLU (no orientation sensitivity)
8. Reattach the electronics module to the top of the biosafety cabinet and tighten
the three acorn nuts.
9. Raise the sash and install the UV lamp by placing the lamp pins into each socket,
pressing down on the UV lamp (gently), and then rotating the lamp 90 degrees to
lock it in the lamp sockets.
10. Lower the sash to the fully closed position. Restore electrical power to the
biosafety cabinet.