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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

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For renlacement IteniA

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