Fig. 5 — control circuit connections, 38en air-cooled condensing units – Carrier 38EN User Manual
Page 5
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HEATING A COOLING
38EN
Air-Cooled Condensing Units
THERMOSTAT SUBBASE
THERMOSTAT SUBBASE
ARRANGEMENT
B-ONE
TRANSFORMER
(COOLING AND ONE-STAGE HEATING)
THERMOSTAT
SUBBASE
99TZ90036I20
(COOLING AND TWO-STAGE HEATING)
*IFR and IFM are located In furnace on heating-cooling applica
tions If accessory IFR is required for cooling-only applications,
locate (IFR) in fan coil
C
— Contactor (12-va)
HC
— Heating Control
IFM
— Indoor Fan Motor
IFR
— Indoor Fan Relay
Trans
— Transformer
NOTE Refer to unit wiring label for wire colors: C to G andCto Y
connections
Field Splice
________ Field Wiring
________ Factory Wiring
Table 5 — 38EN Chargemaster® Charging
Chart (AccuRater™ System)
OUTDOOR
TEMP
(F)
EVAPORATOR TEMPERATURE (F)
21 I 25 I 28 I 31 I 34 I 37 I 4 0 4 5 | 4 8
Suction Line Temperature ^)
60
32
40
51
62
30
38
39
64
28
37
47
60
66
27
35
45
57
68
34
43
54
67
70
32
41
52
64
72
31
39
50
61
72
74
30
37
48
58
69
76
29
36
46
56
66
78
27
35
44
54
63
75ii
80
26
33
42
52
61
72::
82
32
40
50
59
68
86
29
37
46
55
63
73
85
88
35
44
53
61
70
81
90
34
42
51
59
68
78
90
92
33
41
49
57
65
75
86
94
39
47
55
63
72
83
96
38
45
53
61
70
80
98
36
44
51
59
67
77
100
42
49
57
65
75
102
41
48
55
63
73
104
39
46
53
61
70
106
45
51
59
68
108
43
49
57
65
110
41
47
55
63
112
46
53
61
114
50
59
Example
Fig. 5 — Control Circuit Connections
Fig. 6 — 38EN Charging Chart
(AccuRater™ System)
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book II 14
PC 101
Catalog No 563-825
Printed inUS A
Form38EN-3SI
Pg 5
12-84
Replaces: 38EN-2SI
Tah li^alPa
For renlacement IteniA
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