User`s manual

30 40 50 60 70 80 90
SUCTION L]NE TEMPERATURE ("F)
I I I I I I I
4 10 IB 21 27 32
SUCT]ON LINE TEMPERATURE (_C)
Fig. 18--Cooling Charging Chart, 48GS018 U_ °46
30 40 50 50 70
SUCTION L]NE TEMPERATURE (_F)
I I I I I
4 10 18 21
SUCTION LINE TEMPERATURE (_C)
_ OUTDOOR TEMP
_ _F _ C
/15 46
-K_los <
_ ss ss
,_ 85 29
75 24
55 13
80 90
I I
27 32
Chart, 48GS024 U_ °42
30 40 SO 80 70 80 90
SUCTION LINE TEMPERATURE (_F)
I I I I I I I
4 10 16 21 27 32
SUCTION LINE TEMPERATURE ("C)
C00043
Fig. 20--Cooling Charg{ng Chart, 48G8030 Units
4. Check electlical connections fbr tighmess and controls tbr
proper operation each heating and cooling season, Service
when necessa_-
5. Ensure wires are not contacting refrigerant robes 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.
30 40 50 SO 70 80 90
SUCTION LINE TEMPERATURE {'F)
I I I I I I I
4 10 1B 21 27 32
SUCTION LINE TEMPERATURE (_C)
Fig. 21--Cooling Charging Chart, 48GS036 U[_i_S044
AIR FILTER
Never operate the unit without a suitable air tilter in the
return-air duct system. Always replace the filter with the same
dimensional size and type as originally installed (See Tables
1 and 2 %r recommended filter sizes).
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 filter(s) becomes
clogged with dust and/or lint.
EVAPORATOR BLOWER AND MOTOR
NOT_:: Ail motors are permanently lubricated. Do not attempt to
lubricate these motors.
25