Carrier SINGLE PACKAGED ELECTRIC COOLING UNITS 50GX - Manual (Page 21)

Errors made when reconnecting wires may cause improper
and dangerous operation. Label all wires prior to disconnec-
tion when servicing.
The minimum maintenance requirements for this equipment are as
follows:
1. Inspect air filter(s) each month. Clean or replace when
necessary.
2. Inspect indoor coil, drain pan, and condensate drain at least
each cooling season for cleanliness. Clean when necessary.
3. Inspect blower motor and wheel for cleanliness and check
lubrication each heating and cooling season. Clean when
necessary.
4. Check electrical connections for tightness and controls for
proper operation each heating and cooling season. Service
when necessary.
5. Ensure electric wires are not in contact with refrigerant tubing
or sharp metal edges.
C99037
Fig. 15—Cooling Charging Chart, 50GS018 Units
Fig. 17—Cooling Charging Chart, 50GS030 Units
C99038
C99039
Fig. 16—Cooling Charging Chart, 50GS024 Units
C99040
Fig. 18—Cooling Charging Chart, 50GS036 Units
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