4
FIGURE 4
SUPPLY AIR
A1005-01
FIGURE 5
A1006-01
STEP 15:
Provide opening in return air duct to mount the two
barometric relief dampers and hoods
(SEE FIGURE 4)
.
Locate a convenient distance from unit.
STEP 16:
Using self-drilling screws provided, assemble exhaust air
rain hoods (
EXHAUST AIR RAINHOOD – TOP,
EXHAUST AIR RAINHOOD - LEFT SIDE,
EXHAUST
AIR RAINHOOD - RIGHT SIDE,
SPOTWELD ASSY -
BIRD SCREEN) and install in return air duct. Use sealant
(not provided) as required.
STEP 17:
Remove the blower motor access panel
(SEE FIGURE 5)
.
STEP 18:
Connect the
DISCHARGE AIR SENSOR to wires 51
and 52 located in the blower motor compartment.
NOTE:
Mixed air sensor should be secured with the included wire
tie to avoid entanglement with the blower and direct
contact with any sheet metal surfaces.
STEP 19:
Replace the blower motor access panel.
STEP 20:
Upon start-up check the economizer sequence of
operation using the steps provided in these instructions.
After testing unit operation and setting outside air damper
minimum position, secure PANEL – LEFT BOTTOM
SECTION
(SEE FIGURE 3)
with remaining screws.
WIRE TIE
INDOOR MOTOR
18.500
PANEL - LEFT
BOTTOM SECTION
RETURN AIR
DUCT
16.290
16.290
18.500
1.500
MIN.