Carrier 50SX024-060 - Manual (Page 18)

CONVERTING HORIZONTAL DISCHARGE UNITS TO
DOWNFLOW (VERTICAL) DISCHARGE — ICM (Inte-
grated Control Motor) UNITS — Units are shipped in a hori-
zontal configuration. To convert a horizontal unit for down-
flow (vertical) discharge, perform the following steps:
Before performing service or maintenance operations on
system, turn off main power to unit. Turn off accessory
heater power switch if applicable. Electrical shock can
cause personal injury.
1. Open all electrical disconnects before starting any serv-
ice work.
2. Remove evaporator coil access panel (Fig. 15).
3. Locate lances in basepan insulation that are placed over
the perimeter of the vertical duct opening cover
(Fig. 16).
4. Using a straight edge and sharp knife, cut and remove
the insulation around the perimeter of the cover. Re-
move the screws securing the cover to the basepan and
slide out the cover. Discard the cover (Fig. 17).
5. Remove evaporator blower access panel (Fig. 18).
6. Remove screws (Fig. 20) securing evaporator blower hous-
ing to blower shelf and carefully slide out blower hous-
ing. Disconnect the plug assemblies (Fig. 24) from the
evaporator-fan motor. There is a filler bracket attached
to the blower shelf; remove this filler bracket and retain
for later use. (See Fig. 24).
INDOOR BLOWER ACCESS PANEL
(REMOVE SCREWS)
Fig. 18 — Indoor Blower Access Panel
RELAY CONTACTOR WIRE TIE
Fig. 19 — Fan Motor Leads
Fig. 20 — Blower Shelf and Housing
Fig. 21 — Basepan Insulation Over
Vertical Discharge Opening
Fig. 22 — Insulation and Cover Removed
from Vertical Discharge Opening
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