Product Manual

SERIES 5100
TASKMASTER
INSTALLATION INSTRUCTIONS
ANEMOSTAT DIFFUSER TASKMASTER SERIES
MODEL AD5120 USE WITH 5107-5120 UNITS
MODEL AD5150 USE WITH 5125-5150 UNITS
MODEL AD5175 USE WITH 5155-5175 UNITS
READ THESE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING DIFFUSER. BE SURE TO
DE-ENERGIZE POWER SOURCE TO UNIT BEFORE INSTALLING DIFFUSER. CHECK MODEL
NUMBER OF DIFFUSER TO INSURE INSTALLATION ON PROPER SIZE UNIT.
For Heaters 5107-5110 Use Diffuser AD5120 - See Fig. 1
For Heaters 5125-5150 Use Diffuser AD5150 - See Fig. 1
For Heaters 5155-5175 Use Diffuser AD5175 - See Fig. 1
1.) Discard 1/4-20 X 1/2” (13mm) long machine screws (bag assembly).
2.) Line up holes in diffuser and the venturi ring on the heater front.
3.) Insert the 1/4-20 x 1” (25mm) long machine screws through the venturi ring holes with the
machine screw head on the inside of the venturi (See Note Below).
4.) Slip the spacer (1/4”(6mm) for models 5155-5175 and 5/8”(16mm) for all others listed above)
over the machine screw. Insert the machine screw through the diffuser hole, install the
lockwasher, nut; then tighten. (See detail above). (Three places)
5.) Place heater in operation.
For Heaters 5112-5120 Only Use Diffuser AD5120 - See Fig. 2
1.) Discard 1/4-20 X 1” (25mm) long machine screws and 5/8” (16mm) long spacers.
2.) Line up holes in diffuser and venturi ring (heater front).
3.) Insert 1/4-20 x 1/2” (13mm) long machine screws through venturi ring and diffuser holes with the
machine screw head on the inside of the venturi (See Note Below).
4.) Attach the lockwasher, nut and tighten. (See detail above) (Three places).
5.) Place unit in operation.
NOTE
1.) Machine screw heads must be on the inside of the venturi ring.
2.) Caution must be exercised when mounting the diffuser so as not to damage the fan blade.
FORM: 56628-012
ECO 1-5719
NUT
MACHINE
SCREW
VENTURI
RING
DIFFUSER
LOCKWASHER
FIG. 1 FIG. 2
NUT
MACHINE
SCREW
VENTURI
RING
DIFFUSER
LOCKWASHER