INSTALLING OXIDIZING UNIT UPGRADE
(return side plenum only)
1. Cut a 1.75” - 2” hole for the unit.
2. Attach the unit to the air duct using the four self-tapping sheet metal screws provided.
(Airflow direction is marked on the unit.)
3. Route oxidizing unit’s cord to the power supply.
4. Disconnect blue wires from terminal 1 and 2 and reconnect blue wires to terminal 5 and 6. See illustration #1
5. Remove hole plug from bottom of germicidal unit by pinching plug from inside of unit and pushing from the back.
6. Route the oxidizing unit’s cord into the power supply and connect blue wires to terminal 1 and 2 and red wires
to terminal 3 and 4.
7. Wrap strain relief around base of cord, pinch with a pliers and snap into position.
INSTALLING GERMICIDAL UNIT UPGRADE
(return or supply side plenum)
1. Remove two thumb nuts holding moisture resistant lamp socket to mounting plate and remove from the plate.
2. Using the lamp mounting plate as a template, draw the hole pattern on the air duct in a suitable location.
3. Using a 1 1/4 inch Vari Bit, make two holes side by side. Clean off excess metal between the two
holes with tin snips. Alternately cut a 2” hole.
4. Peel off the gasket backing from lamp mounting plate and center over hole. Secure using four self-tapping sheet
metal screws provided.
5. Route the germicidal lamp connector’s cord to the power supply.
6. Disconnect blue wires from terminal 1 and 2 and reconnect blue wires to terminals 5 and 6. See illustration #1.
7. Remove hole plug from bottom of germicidal unit by pinching plug from inside of unit and pushing from the back.
8. Route the germicidal lamp connector’s cord into the power supply and connect blue wires to terminal 1 and 2
and red wires to terminal 3 and 4.
9. Wrap strain relief around base of cord, pinch with a pliers and snap into position.
10. Taking care not to touch the glass, hold the lamp by the end cap and insert fully into the base plate.
11. Insert the moisture resistant lamp socket over the plastic lamp end fitting over the mounting studs.
Secure using the two thumb nut. (Photo A)
UPGRADING SINGLE LAMP TO DUAL LAMP OPERATION
This unit can be upgraded to include one germicidal lamp and one oxidation unit.
For dual germicidal lamp operation please use our model MUV7-100DR.
INSTALLING THE OXIDIZING UNIT
(return side plenum only)
1. Cut a 1.75” - 2” hole for the unit.
2. Attach the unit to the air duct using the four self-tapping sheet metal screws provided.
(Airflow direction is marked on the unit.)
3. Route oxidizing unit’s cord from the power supply, to the oxidizing unit and connect mid-cord connector.
Be sure to line up arrows on the connector. (see photo B)
