units with an outer and inner (2 row) outdoor coil, be sure to clean
between the coils. Be sure to flush all dirt and debris from the unit
base.
Inspect the drain pan and condensate drain line when inspecting
the coils. Clean the drain pan and condensate drain by removing all
foreign matter from the pan. Flush the pan and drain tube with
clear water. Do not splash water on the insulation, motor, wiring,
or air filter(s). If the drain tube is restricted, clear it with a
“plumbers snake” or similar probe device. Ensure that the auxiliary
drain port above the drain tube is also clear
Table 13D—Superheat Charging Table, Unit 036
TEMP (F)
AIR ENT
COND
EVAP AIR – CFM
1150
EVAP AIR – Ewb (F)
56
58
60
62
64
66
68
70
72
74
76
65
SPH
28.6
28.6
30.4
32.1
33.3
34.3
33.4
32.0
30.7
29.8
28.9
70
23.8
23.8
25.5
27.2
29.5
32.3
32.0
30.9
29.7
28.6
27.6
75
19.0
19.1
20.6
22.2
25.7
30.4
30.6
29.7
28.7
27.5
26.3
80
15.0
15.0
15.8
16.5
21.1
26.5
27.7
27.8
27.8
26.6
25.3
85
10.9
10.9
10.9
10.9
16.6
22.6
24.8
25.9
26.9
25.6
24.3
90
7.7
7.7
7.0
8.3
12.6
19.1
21.5
23.4
25.3
24.4
23.6
95
—
—
—
—
8.6
14.5
16.5
20.9
23.6
23.3
22.9
100
—
—
—
—
—
11.3
14.3
17.4
20.4
21.1
21.8
105
—
—
—
—
—
7.1
10.5
13.9
17.2
19.0
20.8
110
—
—
—
—
—
—
7.1
11.7
16.4
18.2
19.9
115
—
—
—
—
—
—
—
9.6
15.5
17.3
19.1
Ewb-Entering Wet Bulb
SPH-Superheat at Compressor (F)
– -Do not attempt to charge system under these conditions as refrigerant slugging may occur.
Table 13E—Superheat Charging Table, Unit 042
TEMP (F)
AIR ENT
COND
EVAP AIR – CFM
1400
EVAP AIR – Ewb (F)
56
58
60
62
64
66
68
70
72
74
76
65
SPH
13.5
13.5
13.5
17.1
20.7
24.3
25.7
27.1
28.5
27.8
27.0
70
11.4
11.4
11.5
15.1
18.7
22.3
23.6
25.1
26.4
26.1
25.8
75
9.4
9.4
9.4
13.0
16.5
20.1
21.6
23.0
24.4
24.5
24.6
80
8.9
8.9
8.9
12.4
16.0
19.4
21.0
22.4
23.8
24.0
24.0
85
8.2
8.2
8.2
11.8
15.3
18.7
20.2
21.8
23.3
23.4
23.4
90
7.7
7.7
7.7
10.8
13.7
16.7
18.7
20.7
22.7
22.7
22.9
95
7.2
7.2
7.2
9.7
12.2
14.6
17.2
19.7
22.2
22.3
22.3
100
6.6
6.6
6.6
9.6
12.6
15.5
17.6
19.7
21.6
21.7
21.7
105
6.1
6.1
6.1
9.6
13.1
16.5
18.0
19.5
21.1
21.1
21.2
110
—
—
—
7.0
9.9
13.0
15.0
17.1
19.1
19.8
20.6
115
—
—
—
—
6.9
9.4
11.9
14.5
17.0
18.5
20.0
Ewb-Entering Wet Bulb
SPH-Superheat at Compressor (F)
– -Do not attempt to charge system under these conditions as refrigerant slugging may occur.
Table 13F—Superheat Charging Table, Unit 048–301
TEMP (F)
AIR ENT
COND
EVAP AIR – CFM
1600
EVAP AIR – Ewb (F)
56
58
60
62
64
66
68
70
72
74
76
65
SPH
26.3
27.0
27.6
28.6
29.6
30.5
30.9
31.3
31.7
31.2
30.7
70
24.0
23.8
23.6
25.0
26.4
27.8
28.4
29.0
29.7
29.6
29.5
75
19.7
19.7
19.7
21.4
23.2
25.0
25.9
26.8
27.6
27.9
28.2
80
15.8
15.8
15.8
17.6
19.4
21.2
22.7
24.1
25.6
26.2
26.9
85
12.0
12.0
12.0
13.8
15.6
17.5
19.5
21.5
23.5
24.5
25.6
90
7.5
7.5
7.5
9.4
11.3
13.2
16.3
19.3
22.4
23.3
24.2
95
—
—
—
5.0
7.0
9.0
13.1
17.1
21.2
22.0
22.8
100
—
—
—
—
—
—
9.4
14.3
19.1
20.3
21.4
105
—
—
—
—
—
—
5.7
11.4
17.1
18.6
20.1
110
—
—
—
—
—
—
—
9.0
13.5
15.8
18.0
115
—
—
—
—
—
—
—
6.7
10.0
13.0
16.0
Ewb-Entering Wet Bulb
SPH-Superheat at Compressor (F)
– -Do not attempt to charge system under these conditions as refrigerant slugging may occur.
29