User Guide
11
Design Guide - HZH/HZV Series
Performance Data AHRI/ASHRAE/ISO 13256-1
Model
Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump
Cooling 86°F Heating 68°F Cooling 59°F Heating 50°F
Full Cool 77°F
Part Cool 68°F
Full Heat 32°F
Part Heat 41°F
Capacity
Btuh
EER
Btuh/W
Capacity
Btuh
COP
Capacity
Btuh
EER
Btuh/W
Capacity
Btuh
COP
Capacity
Btuh
EER
Btuh/W
Capacity
Btuh
COP
HZ024 Part 19,200 19.8 23,600 7.0 22,000 34.1 19,000 5.4 20,800 28.0 16,800 5.0
HZ024 Full 25,000 17.4 31,400 6.0 28,500 26.4 25,800 5.1 26,000 19.9 20,200 4.1
HZ036 Part 27,400 20.1 32,600 6.5 30,700 34.4 27,300 5.5 29,700 29.6 23,800 4.8
HZ036 Full 37,700 17.9 45,700 5.8 42,100 26.1 37,900 5.2 39,000 20.3 29,700 4.4
HZ048 Part 36,300 18.8 42,200 6.1 41,800 32.9 34,800 5.0 39,100 27.4 29,800 4.4
HZ048 Full 48,600 16.8 56,700 5.1 55,000 25.3 46,800 4.6 49,600 19.3 36,400 4.0
HZ060 Part 46,300 18.7 54,700 6.0 53,100 32.4 44,000 5.0 51,200 26.7 38,100 4.4
HZ060 Full 61,500 16.2 77,400 5.4 71,500 24.4 63,200 4.8 66,200 18.8 48,700 3.9
HZ070 Part 53,000 16.8 64,600 5.2 60,800 28.6 53,200 4.5 58,100 23.2 46,000 3.9
HZ070 Full 68,300 15.1 85,300 4.8 77,700 22.5 71,400 4.4 71,700 16.9 55,800 3.7
Cooling capacities based upon 80.6°F DB, 66.2°F WB entering air temperature
Heating capacities based upon 68°F DB, 59°F WB entering air temperature
Ground Loop Heat Pump ratings based on 15% antifreeze solution
All ratings based upon operation at lower voltage of dual voltage rated models
ASHRAE/AHRI/ISO 13256-1. English (I-P) Units
ASHRAE/AHRI/ISO 13256-1. Metric (S-I) Units
Model
Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump
Cooling 30°C Heating 20°C Cooling 15°C Heating 10°C
Full Cool 25°C
Part Cool 20°C
Full Heat 0°C
Part Heat 5°C
Capacity
kW
EER
W/W
Capacity
kW
COP
Capacity
kW
EER
W/W
Capacity
kW
COP
Capacity
kW
EER
W/W
Capacity
kW
COP
HZ024 Part 5.63 5.8 6.91 7.0 6.45 10 5.57 5.4 6.09 8.2 4.92 5.0
HZ024 Full 7.32 5.1 9.20 6.0 8.35 7.7 7.56 5.1 7.62 5.8 5.92 4.1
HZ036 Part 8.03 5.9 9.55 6.5 9.00 10.1 8.00 5.5 8.70 8.7 6.97 4.8
HZ036 Full 11.05 5.2 13.39 5.8 12.34 7.7 11.10 5.2 11.43 5.9 8.70 4.4
HZ048 Part 10.64 5.5 12.36 6.1 12.25 9.6 10.20 5.0 11.46 8.0 8.73 4.4
HZ048 Full 14.24 4.9 16.61 5.1 16.11 7.4 13.71 4.6 14.53 5.7 10.67 4.0
HZ060 Part 13.57 5.5 16.03 6.0 15.56 9.5 12.90 5.0 15.01 7.8 11.17 4.4
HZ060 Full 18.02 4.7 22.68 5.4 20.96 7.2 18.52 4.8 19.40 5.5 14.27 3.9
HZ070 Part 15.53 4.9 18.93 5.2 17.82 8.4 15.59 4.5 17.03 6.8 13.48 3.9
HZ070 Full 20.02 4.4 25.00 4.8 22.77 6.6 20..93 4.4 21.01 5.0 16.35 3.7
Cooling capacities based upon 27°C DB, 19°C WB entering air temperature
Heating capacities based upon 20°C DB, 15°C WB entering air temperature
Ground Loop Heat Pump ratings based on 15% antifreeze solution
All ratings based upon operation at lower voltage of dual voltage rated models










