Instruction Manual

508269B01Issue 2217Page 4 of 9
Figure 3. Left-Hand Air Discharge
(Top View)
SUPPLY AIR UNIT FRONT
PLUMBING
CONNECTIONS
SUPPLY AIR UNIT REAR
AIR FLOW
TEST HOLE
SLOPE 1/2”
(13 MM)
90% GAS FURNACE
DRAIN
COIL DRAIN
SUPPLY AIR UNIT
FRONT
BACK
COIL
(SUPPLY AIR END VIEW)
AIR
FLOW
Figure 4. Right-Hand Air Discharge
COIL
FRONT
NOTE - Use of this orientation is acceptable for 80% AFUE furnaces.
Do not use this orientation for 90% condensing furnaces.
(SUPPLY AIR END VIEW)
SUPPLY AIR UNIT FRONT
PLUMBING CONNECTIONS
SUPPLY AIR UNIT REAR
TEST HOLE
SLOPE 1/2”
(13 MM)
COIL
DRAIN
SUPPLY AIR UNIT
SUPPLY AIR
UNIT FRONT
COIL
AIR FLOW
(Top View)
AIR
FLOW
Figure 5. Right-Hand Air Discharge with Spacer
FIELD-PROVIDED SPACER
(6 IN.)
COIL
BACK
FRONT
SUPPLY AIR UNIT FRONT
PLUMBING CONNECTIONS
SUPPLY AIR UNIT REAR
TEST HOLE
SLOPE 1/2”
(13 MM)
COIL DRAIN
SUPPLY AIR
UNIT FRONT
(TOP VIEW)
AIR FLOW
90% GAS FURNACE
DRAIN
(SUPPLY AIR END VIEW)
AIR
FLOW