Carrier 50BA - Manual (Page 7)

LEGEND FOR
50BA024 UNIT
1 — Indoor Air Fan
2 — Selector Switch
3 “ Return Air Filters
4 — Evaporator Coil
5 — Control Box
6 ^ Compressor No 1
7 — Compressor No 2
8 — Condensers
[7J (81
Fig. 3 — Base Unit Interior Details (50BA024 Unit Shown)
Step 5 — Install accessory plenum if supplied.
On unit Sizes 004 thru 024, holes in the unit top
panel match holes in plenum. Use screws (shipped
in cloth bag taped inside plenum) to attach plenum
to unit top. See Fig. 1 and 2.
Step 6 — Position fan section as desired.
UNIT SIZES 50BA,BB004 THRU 024 are shipped
for vertical discharge. To set up these units for hori­
zontal discharge, separately purchased accessory
filler panels must be field installed (see Fig. 1).
To set up unit Sizes 50BA,BB016 and 024 for
backmounted horizontal discharge (Fig. 1), proceed
as follows;
1. Remove;
a. Rear fan-section panel.
b. Upper rear coil-section panel.
c. Power connections from indoor fan motor.
d. Corner bolts holding fan section to coil
section.
2. Remove fan section and rotate it 180° lengthwise
so that motor is on left side of unit.
3. Place fan section on rear of coil section and
refasten.
4. Replace indoor fan motor power connections.
5. Adjust the following items per Installation
Step 8;
a. Shaft alignment.
b. Fan wheel position.
c. Pulleys.
d. Fan belt.
6. Replace panels as follows;
a. Upper rear coil-section panel on top of coil
section and fasten.
b. Rear fan-section panel on top of fan section
and fasten.
UNIT SIZES 50BA,BB028 THRU 064 are shipped
in sections as noted previously. They can be field
assembled for either vertical or horizontal discharge.
NOTE; Fan section panels may be removed for
easier lifting and to facilitate motor installation.
To set up Sizes 50BA,BB028 thru 064 for horizon­
tal discharge (Fig. 4 and 5), proceed as follows;
1. Remove;
a. Upper rear and end panels of coil section.
b. End panels on fan section.
c. Fasteners holding lower rear edge of fan
panel.