AHRI (-)98VA060M317USA, Installation Instructions Manual

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6. If a filter is installed near the furnace, be sure to have
adequate space for installation and removal of the
unit filter.
7. NOTE: Where the maximum airflow is 1800 CFM or
more, BOTH sides or the bottom must be used for the
return air.
NOTE: DO NOT take return air from furnace rooms,
garages or cold areas. Avoid return air from utility rooms,
kitchens, laundry rooms and bathrooms.
Du
cti
ng
DUCTING
!
WARNING
UPFLOW FURNACE: THE SOLID METAL BASE
PLATE (SHIPPED WITH THE FURNACE) MUST BE
INSTALLED IN THE FURNACE BOTTOM WHEN
USING SIDE AIR RETURN. FAILURE TO INSTALL A
BASE PLATE COULD CAUSE THE PRODUCTS OF
COMBUSTION TO CIRCULATE INTO THE LIVING
SPACE AND CREATE POTENTIAL Ly HAzARDOUS
CONDITIONS, INCLUDING CARBON MONOxIDE POI-
SONING OR DEATH. FOR BOTTOM RETURN, A
SOLID METAL BASE PAN MUST NOT BE IN-
STALLED.
FIGURE 7
1
REMOVE BLOWER
DOOR AS SHOWN
RETAINING TAB
DETAIL
INSTALLATION OF SOLID METAL BASE FOR SIDE
RETURN APPLICATIONS
INTERNAL VIEW
OF BLOWER
COMPARTMENT
2
INSERT TAB ONTO
FLANGE AND PUSH
PANEL INTO PLACE
3
INSTALL SCREW IN TAB LOCATED
IN THE BLOWER COMPARTMENT
TAPE ALL EDGES OF BOTTOM
TO COVER GAPS
4
AFTER
INSTALLATION
OF BOTTOM
PLATE, SEAL ALL
SEAMS TIGHT
WITH METAL
TAPE
ST-A1194-49