Water/ground source models, Applications, Performance – Fulton Invictus (IVS) Heat Pump Systems User Manual

Page 6: Thermal efficiency vs. source temperature, Hydronic cooling capacities: (ivs-095-w model), Hydronic heating efficiencies: (ivs-095-w model)

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hot Water circuit Temperature

chilled Water

Inlet Temp.

95°f circuit

setpoint

104°f circuit

setpoint

113°f circuit

setpoint

122°f circuit

setpoint

140°f circuit

setpoint

(°f)

bTu/hr

Tons

bTu/hr

Tons

bTu/hr

Tons

bTu/hr

Tons

bTu/hr

Tons

32

55,900

4.66

53,900

4.49

50,500

4.21

46100

3.48

37600

3.13

41

57,400

4.78

56,000

4.67

53,500

4.46

49,800

4.15

43,100

3.59

50

58,200

4.85

57,300

4.78

55,800

4.65

53,300

4.44

48,000

4.00

59

58,400

4.87

58,000

4.83

57,100

4.76

55,600

4.63

52,000

4.33

68

58,400

4.87

58,100

4.84

57,500

4.79

56,600

4.72

54,800

4.57

77

59,400

4.87

58,100

4.84

57,500

4.79

56,700

4.73

56,000

4.67

WATER/GROUND SOURCE MODELS

APPLICATIONS:

The water/ground source heat pump

can be used for hydronic heating

and cooling applications. The IVS-

095-W model is for water source

applications and the IVS-095-WLB is

for ground source applications.

Hydronic Cooling Capacities:

(IVS-095-W Model)

Graphic: Ground source models are installed

indoors.

Hydronic Heating Efficiencies:

(IVS-095-W Model)

PERFORMANCE:

85

80

75

70

65

60

55

50

45

40

35

30

150

145

140

135

130

125

120

Source Temperature (°F)

Th

er

m

al

E

ffic

ie

nc

y,

P

er

ce

nt

95°F

104°F

113°F

122°F

131°F

149°F

Thermal Efficiency vs. Source Temperature

Heating

Setpoint:

To Well Field

To Heat Users

Return From Wells

Return From Users

To Well Field

To Cooling Users

Return From Wells

Return From Users

To Heat Users

Return From Users

To Cooling Users

Return From Users

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