Care And Maintenance - Carrier Puron 38TZA Installation And Start-Up Instructions Manual

OUTDOOR
TEMP
50
(°F)
55 9
60 7
65 —
70 —
75 —
80 —
85 —
90 —
95 —
100 —
105 —
110 —
115 —
— Where a dash appears, do not attempt to charge system under these conditions or refrigerant slugging may occur. Charge must be weighed in.
NOTE: Superheat °F is at low-side service port.
SUPERHEAT
TEMP
107.8
(°F)
0 35
2 37
4 39
6 41
8 43
10 45
12 47
14 49
16 51
18 53
20 55
22 57
24 59
26 61
28 63
30 65
32 67
34 69
36 71
38 73
40 75
Step 13—Final Checks
IMPORTANT: Before leaving job, be sure to do the following:
1. Ensure that all wiring and tubing is secure in unit before
adding panels and covers. Securely fasten all panels and
covers.
2. Tighten service valve stem caps to 1/12-turn past finger tight.
3. Leave User's Manual with owner. Explain system operation
and periodic maintenance requirements outlined in manual.
4. Fill out Dealer Installation Checklist and place in customer
file.
Table 4—Superheat Charging
EVAPORATOR ENTERING AIR TEMPERATURE (°F WB)
52 54 56 58
12 14 17 20
10 12 15 18
6 10 13 16
— 7 10 13
— — 6 9
— — — 5
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
Table 5—Required Suction-Line Temperature (°F)
SUCTION PRESSURE AT SERVICE PORT (PSIG)
112.2 116.8
37 39
39 41
41 43
43 45
45 47
47 49
49 51
51 53
53 55
55 57
57 59
59 61
61 63
63 65
65 67
67 69
69 71
71 73
73 75
75 77
77 79
60 62 64 66
23 26 29 32
21 24 27 30
19 21 24 27
16 19 21 24
12 15 18 21
8 12 15 18
— 8 11 15
— 5 9 13
— — 6 10
— — — 8
— — — 5
— — — —
— — — —
121.2 126.0 130.8
41 43 45
43 45 47
45 47 49
47 49 51
49 51 53
51 53 55
53 55 57
55 57 59
57 59 61
59 61 63
61 63 65
63 65 67
65 67 69
67 69 71
69 71 73
71 73 75
73 75 77
75 77 79
77 79 81
79 81 83
81 83 85

CARE AND MAINTENANCE

For continuing high performance and to minimize possible equip-
ment failure, periodic maintenance must be performed on this
equipment.
Frequency of maintenance may vary depending upon geographic
areas, such as coastal applications. See Users Manual for informa-
tion.
8
68 70 72 74
35 37 40 42
33 35 38 40
30 33 36 38
27 30 33 36
24 28 31 34
21 25 28 31
19 22 26 30
16 20 24 27
14 18 22 25
12 15 20 23
9 13 17 22
6 11 15 20
— 8 14 18
138.8 140.8
47 49
49 51
51 53
53 55
55 57
57 59
59 61
61 63
63 65
65 67
67 69
69 71
71 73
73 75
75 77
77 79
79 81
81 83
83 85
85 87
87 89
76
45
43
41
39
37
35
33
31
29
27
26
25
23
145.8
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91