![background image](http://html.mh-extra.com/html/carrier/weatherexpert-48lc-b14-series/weatherexpert-48lc-b14-series_installation-instructions-manual_2561501026.webp)
26
Fig. 27 — Hood Part Identification and Seal Strip
Application Areas
Fig. 28 — Outdoor Air Screen Installation
Fig. 29 — Completed Hood Assembly
Step 10 — Economizer - Horizontal Airflow Units
The barometric relief damper ships attached to the exterior re-
turn opening panel on the unit (see Fig. 30). Remove shipping
cover to access the barometric relief damper, rain angle, and
parts bag. These items are to be repositioned on the side of the
field supplied ductwork. In addition, the barometric relief hood
should be used and can be ordered separately (PN: CRBAR-
HOD001A00) or can be field supplied.
Fig. 30 — Barometric Relief Damper
(Shipping Location)
Step 11 — Install Flue Hood and Combustion Air
Hood
The flue hood is shipped screwed to the fan deck inside the burner
compartment. Remove the burner access panel and then remove
the flue hood from its shipping location. Using the screws provid-
ed, install flue hood in the location shown in Fig. 31.
The combustion air hood is attached to the back of the burner ac-
cess panel. Remove the two screws securing the hood to the back
of the burner access panel. Using the two screws, re-attach the
hood to the front of the burner access panel as shown in Fig. 31.
Fig. 31 — Flue Hood and Combustion Air Hood
Details
Step 12 — Install Gas Piping
Installation of the gas piping must be in accordance with local
building codes and with applicable national codes. In U.S.A., refer
to NFPA 54/ANSI Z223.1 National Fuel Gas Code (NFGC). In
Canada, installation must be accordance with the CAN/CSA
B149.1 and CAN/CSA B149.2 installation codes for gas burning
appliances. This unit is factory equipped for use with natural gas
(NG) fuel at elevations up to 2000 ft (610 m) above sea level. Unit
may be field converted for operation at elevations above 2000 ft
APPLY SEAL STRIP
TO THE FRONT OF
THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
7
7
3
5
6
8
8
2
8
6
4
2
1
2
ITEM #
DESCRIPTION
QTY
1
Filter Supports
3
2
Central Retainer
3
3
Hood Top
1
4
Left Hood Side
1
5
Right Hood Side
1
6
Side Retainer
2
7
Top Diverters
2
8
Deflector
3
1. INSERT
AIR SCREEN
2. SLIDE
INTO
POSITION
SHIPPING
COVER
BAROMETRIC
RELIEF
DAMPER
RETURN
OPENING
PANEL
RAIN ANGLE
FLUE HOOD
COMBUSTION
AIR HOOD
Summary of Contents for WeatherExpert 48LC B14 Series
Page 4: ...4 Fig 2 48LC B14 Vertical Airflow ...
Page 5: ...5 Fig 3 48LC B14 Horizontal Airflow ...
Page 6: ...6 Fig 4 48LC B14 Back View and Condensate Drain Location ...
Page 7: ...7 Fig 5 48LC B14 Corner Weights and Clearances ...
Page 8: ...8 Fig 6 48LC B14 Bottom View ...
Page 9: ...9 Fig 7 48LC B17 20 Vertical Airflow ...
Page 10: ...10 Fig 8 48LC B17 20 Horizontal Airflow ...
Page 11: ...11 Fig 9 48LC B17 20 Back View and Condensate Drain Location ...
Page 12: ...12 Fig 10 48LC B17 20 Corner Weights and Clearances ...
Page 13: ...13 Fig 11 48LC B17 20 Bottom View ...
Page 14: ...14 Fig 12 48LC B24 26 Vertical Airflow ...
Page 15: ...15 Fig 13 48LC B24 26 Horizontal Airflow ...
Page 16: ...16 Fig 14 48LC B24 26 Back View and Condensate Drain Location ...
Page 17: ...17 Fig 15 48LC B24 26 Corner Weights and Clearances ...
Page 18: ...18 Fig 16 48LC B24 26 Bottom View ...
Page 21: ...21 Fig 20 48LC B14 Roof Curb Details ...
Page 22: ...22 Fig 21 48LC B17 20 Roof Curb Details ...
Page 23: ...23 Fig 22 48LC B24 26 Roof Curb Details ...
Page 30: ...30 Fig 40 48LC B14 26 VAV RTU Open Control Wiring Diagram ...
Page 31: ...31 Fig 41 48LC B14 26 Power Wiring Diagram ...
Page 53: ......