Installation Precautions — When installing units, make
sure that construction debris does not enter unit or duct-
work. Do not remove protective tape from diffuser until in-
stallation is complete.
Do not operate the central station air handling fan without
the final filter inplace.Accumulated dust and debris can smudge
ceilings and damage unit controls.
To avoid damage to bottom units, do not stack units more
than 8 high. Make sure that arrows on cartons point up.
General — The 37HS Moduline® units are designed for
installation in standard, narrow and tegular T-bar ceilings,
and for continuous run, concealed spine or plaster ceilings.
They can also be provided for custom ceilings.
All 37HS Moduline units can be installed as single units
or in an air series. Layout guidelines for proper installations
can be found in the 37HS Application Data book.
Unit dimensions are shown in Fig. 4 — 6. Dimensions for
diffuser options are shown in Fig. 7 and 8. See Fig. 9 for
accessory return-air diffuser dimensions and Fig. 10 for ac-
cessory dummy diffuser dimensions. Table 1 lists installa-
tion accessories for 37HS Moduline units.
NOTE: Dimensions are in inches.
PLENUM SIZE
CDEGHJ
B
1
B
2
7 5 — — 4 — 8 20.94
7 7 22.94 4 6 8 9 —
7 7 22.94 6 6 9 9 —
9 9 22.94 6 8 9 10 —
9 9 22.94 8 8 10 10 —
11 11 22.94 8 10 10 11 —
11 11 22.94 10 10 11 11 —
STANDARD DIFFUSER LENGTHS AVAILABLE (in inches)
A
1
22.92 23.00 23.38 23.99
F
1
2.60 2.60 2.60 2.60
A
2
46.92 47.00 47.38 48.00
F
2
19.56 19.56 19.56 19.56
Fig. 4 — 37HS1 Unit Dimensions
3
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