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Fig. 31 —
Barometric Hood Box Parts Location
3. Install parts as shown in the following exploded view
(Fig. 32) using the seal strip and screws provided in the
parts box.
Fig. 32 —
Barometric Hood Exploded View
Figure 33 illustrates the installed barometric hood parts.
Fig. 33 —
Installed Barometric Hood Side View and
Isometric View
BAROMETRIC HOOD (HORIZONTAL CONFIGURATION)
For horizontal return and field installed economizer, install the
economizer as follows:
1. Install the field provided horizontal ductwork onto the
unit. Duct height must be at least 19
1
/
2
inches high, how
-
ever the duct can be no taller than the top of the relief
opening in the bottom panel, or airflow into the outside air
hood will be restricted. See Fig. 34.
Fig. 34 —
Relief Damper
2. Cut a 16 in. x 36 in. opening in the return duct for the relief
damper (see Fig. 34).
3. On the field installed economizer (CRECOMZR0**A00), a
birdscreen or hardware cloth is shipped attached to the bot
-
tom panel used for vertical applications.
NOTE: This panel is not used for horizontal return applications.
Remove the screen from the provided panel and install it over the
relief opening cut in return duct.
4. Using the blade brackets, install the relief damper onto the
side of the return duct (see Fig. 35). The two brackets and
relief damper are provided with the economizer.
Fig. 35 —
Installing CRBARHOD001A00 Over Relief
Damper
5. Using
the
provided
hardware,
screw
the
CRBARHOD001A00 hood sides and top together (see
Fig. 36).
Summary of Contents for WeatherExpert 50LC14
Page 4: ...4 Fig 2 50LC Vertical Airflow Size 14...
Page 5: ...5 Fig 3 50LC Horizontal Airflow Size 14...
Page 6: ...6 Fig 4 50LC Back View and Condensate Drain Location Size 14...
Page 7: ...7 Fig 5 50LC Corner Weights and Clearances Size 14...
Page 8: ...8 Fig 6 50LC Bottom View Size 14...
Page 9: ...9 Fig 7 50LC Vertical Airflow Sizes 17 20...
Page 10: ...10 Fig 8 50LC Horizontal Airflow Sizes 17 20...
Page 11: ...11 Fig 9 50LC Back View and Condensate Drain Location Sizes 17 20...
Page 12: ...12 Fig 10 50LC Corner Weights and Clearances Sizes 17 20...
Page 13: ...13 Fig 11 50LC Bottom View Sizes 17 20...
Page 14: ...14 Fig 12 50LC Vertical Airflow Sizes 24 26...
Page 15: ...15 Fig 13 50LC Horizontal Airflow Sizes 24 26...
Page 16: ...16 Fig 14 50LC Back View and Condensate Drain Location Sizes 24 26...
Page 17: ...17 Fig 15 50LC Corner Weights and Clearances Sizes 24 26...
Page 18: ...18 Fig 16 50LC Bottom View Sizes 24 26...
Page 21: ...21 Fig 19 Roof Curb Details 14 Size Unit...
Page 22: ...22 Fig 20 Roof Curb Details 17 and 20 Size Units...
Page 23: ...23 Fig 21 Roof Curb Details 24 and 26 Size Units...
Page 30: ...30 Fig 42 50LC 14 26 Electro Mechanical Control Wiring Diagram...
Page 31: ...31 Fig 43 50LC 14 26 RTU Open Control Wiring Diagram...
Page 32: ...32 Fig 44 50LC 14 26 SystemVu Control Wiring Diagram...
Page 35: ...35 Fig 47 Typical Power Wiring Diagram SystemVu Controls 50LC Unit 208 230V Shown...
Page 36: ...36 Fig 48 Typical Power Wiring Diagram SystemVu Controls 50LC Unit 460V 575V Shown...
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