Operating instructions

Fig.19---CoolingChargingChad,48GS042U_ °4s
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68= 100-
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30 40 50 60 70 80 90
SUCTIONUNETEMPERATUREI°Fq
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-1 4 10 16 21 27 32
SUCTION LINE TEMPERATURE (°C)
Fig. 20--Cooling Charging Chart, 48GS048 Unl_ls°47
689 100-
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40 50 60 70 80 gO
SUCTION UNE TEMPERATURE I_F)
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4 10 16 21 27 32
SUCTION LINE TEMPERATURE (°C)
Fig. 21--Cooling Charging Chart, 48GS060 U_ m
3. Inspect blower motor and wheel for cleanliness at the begin-
ning of each heating and cooling season. Clean when neces-
sary. For first heating and cooling sem_on, inspect blower
wheel hi-monthly to determine proper cleaning frequency.
4. Check electrical connections for dghtness and controls for
proper operation each heating and cooling season. Service
when necessary.
5. Ensure wires are not contacting refrigerant tubes or sharp
sheet metal edges.
6. Check and inspect heating section before each heating season.
Clean and adjust when necessary.
7. Check flue hood and remove any obstructions, if necessary.
AIR FILTER
24
Inspect air filter(s) at least once each month and replace
(throwaway-type) or clean (cleanable-type) at least twice during
each heating and cooling season or whenever the f-alter(s) becomes
clogged with dust and/or lint.
EVAPORATOR BLOWER AND MOTOR
NOTE: All motors are permanently lubricated. Do not attempt to
lubricate these motors.