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11. Assemble 2 filter tracks side-by-side with the assembled
ends together.
12. Attach mounting angle (without tabs) to the assembled
end of the filter track. See Fig. 33.
13. Attach 9 green speed clips (provided) to hood side panels
without slots. Engagement section of clip faces up and to-
wards the outside of the hood side panels.
14. Attach remaining mounting angle (with tabs) to other end
of the filter track with no. 10 screws provided. See
Fig. 34.
15. Place filter track assembly in bottom of hood by placing
tabbed end into slotted side (with tab on bottom) and
attaching opposite end to hood with speed clips and
gasketed screws provided. Tabs can be hand bent after
they have been inserted into the side.
NOTE: The filter track assembly end with screws should face
away from the other hood when mounted on the unit. Be sure
the filters are installed with the airflow in the correct direction.
NOTE: Tabs from both filter tracks will be in the same space.
After one filter track has been inserted into hood side, bend the
tabs so they will not interfere with installation of the second/
center hood.
16. Attach black seal strip (provided) to filter cover. Seal strip
should be applied centered over the holes of the one
flange, making sure to fully cover holes and centered over
the other large flange. See Fig. 35.
17. Slide two 20 x 25-in. filters into cross members of hood
assembly. Attach filter cover over filters with screws and
speed clips provided.
18. Set Minimum Damper Position (MDP). See the Con-
trols, Start-Up, Operation, Service, and Troubleshooting
Instructions.
HOOD TOP
HOOD SIDE
CROSS MEMBER
GRAY FOAM STRIP
Fig. 29 — Adding Seal Strip to Back of Hood Top
Mounting Flange
Fig. 30 — Adding Foam Strip to Cross Member
HOOD SIDE
(SLOTTED)
HOOD
TOP
Fig. 31 — Adding Foam Strip to Hood Side
BLOCKOFF BAFFLE
GRAY FOAM STRIP
Fig. 32 — Adding Seal Strip to Blockoff Baffle
Summary of Contents for 48AJ/AK/AMD020
Page 3: ...3 Fig 1 Roof Curb 50AJ AK020 035 Units...
Page 4: ...4 Fig 2 Roof Curb 50AJ AK040 050 Units...
Page 5: ...5 Fig 3 Roof Curb 50AJ AK060 Units...
Page 6: ...6 Fig 4 Reduced Supply Duct Opening Roof Curb 50AJ AK060 Units...
Page 7: ...7 Fig 5 Base Unit Dimensions 50AJ AK020 035...
Page 8: ...8 Fig 6 Base Unit Dimensions 50AJ AK040 050...
Page 10: ...10 Fig 8 Base Unit Dimensions 50AW AY020 035...
Page 11: ...11 Fig 9 Base Unit Dimensions 50AW AY040 050...
Page 32: ...32 CONTROLS OPTION BOARD Fig 19 Small Chassis Component Location Size 020 035 Units...
Page 33: ...33 CONTROLS OPTION BOARD Fig 20 Large Chassis Component Locations Size 040 060 Units...
Page 34: ...34 Fig 21 Typical Main Control Box Wiring Schematic TO NEXT PAGE TO NEXT PAGE...
Page 35: ...35 FROM PREVIOUS PAGE FROM PREVIOUS PAGE Fig 21 Typical Main Control Box Wiring Schematic cont...
Page 36: ...36 TO NEXT PAGE TO NEXT PAGE Fig 22 Auxiliary Control Box Wiring Schematic...
Page 38: ...38 Fig 23 Typical Power Schematic Size 060 Unit Shown...
Page 39: ...39 Fig 23 Typical Power Schematic Size 060 Unit Shown cont...
Page 40: ...40 Fig 24 Controls Option Wiring Schematic...
Page 41: ...41 Fig 25 Electric Heat Control Circuit Size 060 Unit Shown...
Page 47: ......