Product Manual

SERIES 5100
TASKMASTER
Installation Instructions
FOR RADIAL DIFFUSER
MODEL RD5120 USE WITH 5107-5120 UNITS
MODEL RD5150 USE WITH 5125-5150 UNITS
MODEL RD5175 USE WITH 5155-5175 UNITS
READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION. BE SURE TO
DE-ENERGIZE POWER SOURCE TO UNIT BEFORE INSTALLING DIFFUSER. CHECK MODEL
NUMBER TO INSURE INSTALLATION ON PROPER SIZE UNIT.
1.) Disconnect heater from supply.
2.) Immerse nylon push nuts in water for at least 1/2 hour before installing.
3.) Remove louver frame assembly from front of heater and discard. (Louver frame assembly is
attached to the heater front with four sheet-metal screws.)
4.) Insert the four nylon push nuts provided into the square holes located around the venturi
opening on the heater front. A slight tap with a flat surface may be required to fully seat the
nylon push nuts into the square holes.
5.) Assemble the star washers and flat washers provided onto each of the mounting screws
as shown.
6.) Line up the diffuser mounting holes with the nylon push nuts mounted in the heater front
(step 2). Insert the mounting screws (step 3) through the diffuser mounting eyelets and
tighten screws.
7.) Adjust the diffuser vanes for desired air deflection.
8.) Restore power to place heater in operation.
MOUNTING BOLT DETAIL
MOUNTING
SCREW
FLAT WASHER
FRONT PANEL
OF UNIT
STARWASHER
NYLON
PUSH NUT
FORM: 56628-011
ECO 1-5719