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SCHEMATIC DIAGRAM
REFRIGERANT CIRCUIT
4TWR2036A1000AA
From Dwg. 21D152756 Rev. 1
SUPERHEAT CHA
CHART BASED ON 400 CFM/T
50% RELATIVE HUMIDITY, USE ON S
50
EXAMPLE: SUC
WHICH GIVES A
45
OD TEMP=90˚F➀
INTERSECTION
95
12˚F SUPERHE
40
ADD CHARGE T
90
35
85
30
80
2
25
75
70
20
INDOOR
15
DRY BULB
TEMPERATURE ˚F
4
10
5
LIMIT LINE
55
60
65
70
75
OUTDOOR TEM
Measure suction pressure, suction temperature at O
table what superheat should be for the ID & OD tem
operating superheat with stabilized running conditio
If operating superheat is:
within 5˚ chart value charge is OK
G
more that 5˚ above chart value add refrigerant
G
80
G
G
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