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INDOOR

WB 

°

F*

OUTDOOR DB

°

F

55

60

65

70

75

80

85

90

95

100 105 110 115

50

9

7

52

12

10

6

54

14

12

10

7

56

17

15

14

10

6

58

20

18

16

13

9

5

60

23

21

19

16

12

8

6

62

26

24

22

19

16

12

8

5

64

29

27

24

21

18

15

11

9

6

66

32

31

30

24

23

18

15

11

9

6

68

35

33

30

27

24

21

19

16

14

12

9

6

70

35

33

30

28

25

22

20

18

15

13

11

8

72

35

33

30

28

26

24

20

20

17

15

14

74

34

31

30

27

25

23

22

20

18

76

35

33

31

29

27

26

25

23

*Evaporator Entering Air 

°

F

 TABLE 3 - Superheat Value

SUCTION

PRESSURE

PSIG

(Service Port)

SUCTION SERVICE VALVE SUPERHEAT

0**

2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

61.5

35

37

39

41

43

45

47

49

51

53

55

57

59

61

63

65

67

69

64.2

37

39

41

43

45

47

49

51

53

55

57

59

61

63

65

67

69

71

67.1

39

41

43

45

47

49

51

53

55

57

59

61

63

65

67

69

71

73

70.0

41

43

45

47

49

51

53

55

57

59

61

63

65

67

69

71

73

75

73.0

43

45

47

49

51

53

55

57

59

61

63

63

67

69

71

73

75

77

76.0

45

47

49

51

53

55

57

59

61

63

65

67

69

71

73

75

77

79

79.2

47

49

51

53

55

57

59

61

63

65

67

69

71

73

75

77

79

81

82.4

49

51

53

55

57

59

61

63

65

67

69

71

73

75

77

79

81

83

** Saturation Temperature

 TABLE 4 - Temperature and Pressure

TEMP.

°

F

PRESSURE

PSIG

TEMP.

°

F

PRESSURE

PSIG

TEMP.

°

F

PRESSURE

PSIG

TEMP.

°

F

PRESSURE

PSIG

TEMP.

°

F

PRESSURE

PSIG

45

76.02

60

101.62

75

132.22

90

168.40

105

210.75

46

77.58

61

103.49

76

134.45

91

171.02

106

213.81

47

79.17

62

105.39

77

136.71

92

173.67

107

216.90

48

80.77

63

107.32

78

138.99

93

176.35

108

220.02

49

82.39

64

109.26

79

141.30

94

179.06

109

223.17

50

84.03

65

111.23

80

143.63

95

181.80

110

226.35

51

85.69

66

113.22

81

145.99

96

184,56

111

229.56

52

87.38

67

115.24

82

148.37

97

187.36

112

232.80

53

89.08

68

117.28

83

150.78

98

190.18

113

236.08

54

90.81

69

119.34

84

153.22

99

193.03

114

239.38

55

92.56

70

121.43

85

155.68

100

195.91

115

242.72

56

94.32

71

123.54

86

158.17

101

198.82

116

246.10

57

96.11

72

125.67

87

160.69

102

201.76

117

249.50

58

97.93

73

127.83

88

163.23

103

204.72

118

252.94

59

99.76

74

130.01

89

165.80

104

207.72

119

256.41

 TABLE 5 - R-22 Saturation Properties

550.46-N1YI

Unitary Products Group

7

Summary of Contents for H*RA Series

Page 1: ...ir Conditioning and Refrigeration Institute Using unmatched components may not only affect the performance of the system but may also void the warranty of the equipment Do not install any coil in a fu...

Page 2: ...tdoor coil can be eliminated by placing the outside unit where the wind does not blow across the unit Trees shrubs corners of buildings and fences standing off from the coil can reduce capacity loss d...

Page 3: ...and permitted to flow through tubing during brazing to displace air and prevent oxidation Remove the Schrader valve cores from the service valves Remove the plugs from the service valve field tubing c...

Page 4: ...d the refrigerantlines maybeconnectedpertheoutdoorunitinstruction However if another orifice should be used see the coil instruction for details to change to change the orifice in the coil OPENING BAS...

Page 5: ...Figures 3 and 4 5 Ground the outdoor unit using the ground lug provided Unless the outdoor unit is grounded through proper wiring to the service entrance ground a suitable separate ground should be pr...

Page 6: ...ned as follows 1 Determine outdoor unit charge from tabular data sheet 2 Determine indoor coil adjustment from tabular data sheet 3 Calculate the line charge using Table 2 factors Calculate over 15 fe...

Page 7: ...73 75 77 79 79 2 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 82 4 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 Saturation Temperature TABLE 4 Temperature and Pressure TEMP F PRESSUR...

Page 8: ...orrectly SYSTEM OPERATION CHECK OUT STEP 1 With thermostat set to the OFF position close disconnect switch or switches to complete circuits to condens ing unit furnace or air handler Set thermostat to...

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