70
75
80
85
90
95
SUPERHEAT ˚F
OUTDOOR TEM
50
45
40
35
30
25
20
15
10
5
5 5
6 0 6 5 7 0 7 5 8 0
EXAMPLE: SUC
WHICH GIVES A
OD TEMP=90˚F
➀
INTERSECTION
12˚F SUPERHE
ADD CHARGE T
CHART BASED ON 400 CFM/T
50% RELATIVE HUMIDITY, USE ON S
SUPERHEAT CHA
INDOOR
DRY BULB
TEMPERATURE ˚F
LIMIT LINE
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
●
●
more that 5˚ above chart value add refrigerant
●
2
4
4TWR2036A1000AA
From Dwg. 21D152756 Rev. 1
REFRIGERANT CIRCUIT
SCHEMATIC DIAGRAM
