York R-410A manual ZR300 25 Ton Alternate Reheat Mode Continued, Johnson Controls Unitary Products

Models: R-410A

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ZR300 (25 Ton) Alternate Reheat Mode (Continued)

251934-YTG-G-0708

ZR300 (25 Ton) Alternate Reheat Mode (Continued)

Air on

 

 

 

 

 

 

Temperature of Air on Condenser Coil

 

 

 

 

 

 

 

Evaporator Coil

Total

Total

 

Sensible Capacity (MBh)

 

Total

Total

 

Sensible Capacity (MBh)

 

CFM

 

WB

Capacity1

Input

 

 

Return Dry Bulb (°F)

 

Capacity1

Input

 

 

Return Dry Bulb (°F)

 

 

(°F)

(MBh)

(kW)2

85

 

80

75

70

 

65

(MBh)

(kW)2

85

 

80

75

70

 

65

 

 

 

 

 

75°F

 

 

 

 

 

 

85°F

 

 

 

 

 

 

72

152.5

20.6

36.8

 

1.1

 

 

 

 

139.7

21.9

33.1

 

 

 

 

 

 

7500

 

67

140.1

19.9

47.0

 

11.4

 

 

 

 

130.2

21.2

43.3

 

7.7

 

 

 

 

 

62

127.9

19.1

99.0

 

55.0

26.0

 

 

 

117.3

20.5

108.2

 

72.6

36.9

1.3

 

 

 

 

 

 

 

 

 

 

 

 

 

57

123.4

16.5

123.4

 

96.6

60.9

25.3

 

 

112.3

20.1

112.3

 

98.9

63.3

27.6

 

 

 

 

72

156.4

20.7

41.8

 

29.0

 

 

 

 

143.9

21.9

39.4

 

25.0

 

 

 

 

8750

 

67

143.8

20.0

53.0

 

42.0

 

 

 

 

134.1

21.2

50.4

 

38.0

 

 

 

 

 

62

131.2

19.2

110.0

 

90.0

25.0

 

 

 

120.8

20.5

112.0

 

98.0

35.9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

57

126.6

17.0

126.6

 

110.0

67.8

25.7

 

 

115.7

20.2

115.7

 

106.3

64.2

22.0

 

 

 

 

72

160.4

20.8

46.7

 

 

 

 

 

 

148.1

21.9

45.6

 

 

 

 

 

 

10000

 

67

147.4

20.1

59.0

 

11.0

 

 

 

 

137.9

21.2

57.4

 

8.8

 

 

 

 

 

62

134.6

19.3

116.0

 

85.0

30.0

 

 

 

124.3

20.5

115.0

 

75.0

15.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

57

129.9

17.7

125.0

 

100.0

50.0

23.0

 

 

119.0

20.2

119.0

 

100.0

47.0

16.5

 

 

 

 

72

162.4

21.9

57.5

 

2.2

 

 

 

 

151.9

23.1

52.1

 

 

 

 

 

 

11250

 

67

149.2

21.2

69.2

 

13.8

 

 

 

 

141.5

22.4

65.0

 

9.6

 

 

 

 

 

62

136.2

20.4

120.0

 

99.0

40.0

 

 

 

127.5

21.6

120.0

 

91.0

35.7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

57

131.5

18.6

131.5

 

125.0

69.0

12.0

 

 

122.1

21.2

122.1

 

119.4

64.0

8.7

 

 

 

 

72

164.4

23.0

60.0

 

43.0

 

 

 

 

155.7

24.2

58.6

 

40.0

 

 

 

 

12500

 

67

151.0

22.3

78.0

 

65.0

 

 

 

 

145.0

23.5

72.5

 

60.0

 

 

 

 

 

62

137.9

21.4

114.0

 

100.0

40.0

 

 

 

130.7

22.7

110.0

 

98.7

36.6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

57

133.2

19.6

133.2

 

128.0

69.0

9.0

 

 

125.1

22.3

125.1

 

122.0

63.0

7.0

 

 

1.These capacities are gross ratings. For net capacity, deduct air blower motor, MBh = 3.415 x kW. Refer to the appropriate Blower Performance Table for the kW of the supply air blower motor.

2.These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor. Manual background No Sensible Cooling Capacity

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York R-410A manual ZR300 25 Ton Alternate Reheat Mode Continued, Johnson Controls Unitary Products