Specifications

3
STEP 5:
Secure economizer and  SPOTWELD ASSY - BIRD
SCREEN along bottom with six screws as shown (SEE
FIGURE 2). See TABLE 1 for identification.
STEP 6:
Fasten  EXHAUST AIR RAINHOOD - LEFT SIDE and 
EXHAUST AIR RAINHOOD – RIGHT SIDE to barometric
relief opening (lower opening) on the economizer (SEE
FIGURE 3). Fasten with six screws. See FIGURE 4 for
identification of EXHAUST AIR RAINHOODS.
STEP 7:
Fasten  EXHAUST AIR RAINHOOD ASSY –
BIRDSCREEN FRONT SUPPORT under edge of LEFT
PANEL – LOWER using six screws. Do not install a screw
in the rightmost hole in the panels at this time.
STEP 8:
Fasten LEFT PANEL – LOWER and  EXHAUST AIR
RAINHOOD ASSY – BIRDSCREEN FRONT SUPPORT
to the top of the  EXHAUST AIR RAINHOOD - LEFT
SIDE and  EXHAUST AIR RAINHOOD – RIGHT SIDE
which was previously installed on the unit (SEE STEP 7).
STEP 9:
Attach  OA FILTER RAIL ASSY to economizer center
support,  EXHAUST AIR RAINHOOD - LEFT SIDE and
 EXHAUST AIR RAINHOOD – RIGHT SIDE and LEFT
PANEL – LOWER using screws provided.
STEP 10:
Position the  OA RAINHOOD ASSY – TOP under edge
of ROOF PANEL. Do not install screws at this time.
STEP 11:
Fasten  OA RAINHOOD - LEFT SIDE and  OA
RAINHOOD - RIGHT SIDE to unit using screws provided
(2 each on RXRD-MDCM3, 3 each on RXRD-MFCM3).
STEP 12:
Slide  PERMANENT FILTERS between  OA
RAINHOOD - LEFT SIDE and  OA RAINHOOD - RIGHT
SIDE back into the  OA FILTER RAIL ASSY.
STEP 13:
Fasten 11 OA RAINHOOD - FRONT FILTER SUPPORT to
PANEL – TOP LEFT with six screws. The bottom lip should
support the  PERMANENT FILTERS. Do not install a
screw in the rightmost hole in the panels at this time.
STEP 14:
Fasten PANEL – TOP LEFT to  OA RAINHOOD - LEFT
SIDE and  OA RAINHOOD - RIGHT SIDE and 11 OA
RAINHOOD - FRONT FILTER SUPPORT using screws
(12 on RXRD-MDCM3, 16 on RXRD-MFCM3).
STEP 15:
Re-secure ROOF PANEL using the washer head screws
that were removed in STEP 3 from the ROOF PANEL.


FIGURE 3
RXRD-MDCM3 Shown - RRDX-MFCM3 Similar
(See Table 1 for identification of parts)




A1012-01

11


LEFT PANEL - LOWER
ROOF PANEL (REF.)
ECON. CENTER
SUPPORT (REF.)
LEFT PANEL - UPPER
Page 37