12 Johnson Controls Unitary Products
5151060-YTG-F-1116
COMBUSTIBLE FLOOR BASE ACCESSORY
LIMITATIONS
These units must be wired and installed in accordance with all
national and local safety codes.
Voltage limits are as follows:
Airflow must be within the minimum and maximum limits
approved for electric heat, evaporator coils and outdoor units.
TYPICAL APPLICATIONS
DOWNFLOW
AIR HANDLER
WARM AIR PLENUM
with 1” flange out
on each side.
FIBERGLASS
INSULATION
FIBERGLASS TAPE
under flange.
COMBUSTIBLE FLOOR
BASE ACCESSORY
A
B
B
A
AIR HANDLER
DEPTH
FRONT
FLOOR
1”
11”
PLENUM
13”
FLOOR OPENING
APPROX. 1/2”
CLEARANCE
ALL AROUND
FLOOR
A
AIR HANDLER
WIDTH
COMBUSTIBLE
FLOOR BASE
APPROX. 1/2”
CLEARANCE
ALL AROUND
C
FLOOR OPENING
B
PLENUM
1”
1”
A0457-001
CROSS SECTION (A-A) FROM SIDE
CROSS SECTION (B-B) FROM FRONT
Floor Base
Models
Used with
Dimensions
ABC
1FB1917 AVC18B, AVC24B, AVC30B, AVC36B 17.5 14.0 16.0
1FB1921 AVC36C, AVC42C, AVC48C, AVC60C 21.0 17.5 19.5
1FB1924 AVC48D, AVC60D 24.5 21.0 23.0
Air Handler Voltage Voltage code
Normal Operating
Voltage Range
1
1. Rated in accordance with ARI Standard 110, utilization range “A”.
208/230-1-60 06 187-253
UPFLOW
HORIZONTAL RIGHT
HORIZONTALLEFT
HEAT
HEAT
HEAT
DOWNFLOW
HEAT
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