Nordic AH4P Series, Service Manual

Page: 25 / 30

5-Jul-2022 Page 25 002596MAN-01
COOLING
METRIC
AHW/AH4P-65 Vertical
EAT
(
°F)
Airflow
(cfm)
Water
Flow
(gpm)
EWT = 40 °F EWT = 45° F EWT = 50° F Water
Pressure
Drop
(psi)
Total
Capacity
(Btu/hr)
Sensible
Capacity
(Btu/hr)
LAT
( °F)
LWT
( °F)
Total
Capacity
(Btu/hr)
Sensible
Capacity
(Btu/hr)
LAT
( °F)
LWT
( °F)
Total
Capacity
(Btu/hr)
LAT
( °F)
LWT
( °F)
80.6
(46%
RH)
900
2 25,200 21,100 59 65 21,900 19,400 61 67 17,100 63 67 0.2
4 34,900 26,300 54 57 29,600 24,000 56 60 24,600 59 62 0.8
6 40,800 29,000 51 54 34,200 26,200 54 56 27,800 57 59 2.1
8 44,700 30,800 50 51 37,400 27,600 53 54 30,000 56 58 3.5
1200
2 27,500 23,800 63 68 24,100 21,800 64 69 18,800 66 69 0.2
4 39,100 31,200 57 60 33,600 28,800 59 62 28,400 61 64 0.9
6 46,500 34,800 54 55 39,400 31,800 57 58 32,400 59 61 2.1
8 51,800 37,200 52 53 43,500 33,700 55 56 35,300 58 59 3.5
1500
2 29,000 25,500 65 69 23,200 23,200 67 62 20,000 69 70 0.2
4 42,200 35,200 59 61 36,700 32,500 61 63 31,300 63 66 0.9
6 50,900 39,800 57 57 43,400 36,600 59 59 36,300 61 62 2.1
8 57,100 42,800 55 54 48,300 39,000 57 57 39,600 59 90 3.5
1900
2 27,900 27,900 67 68 24,600 24,600 69 70 21,200 71 71 0.2
4 45,600 39,400 62 63 39,900 36,300 63 65 32,000 65 66 0.9
6 55,500 45,500 59 58 47,800 42,000 61 61 40,500 62 64 2.1
8 62,900 49,300 57 56 53,400 45,200 59 58 44,500 61 61 3.5
2300
2 29,000 29,000 69 62 25,500 25,500 71 71 22,000 72 72 0.2
4 48,400 42,700 64 64 42,500 39,200 65 66 34,200 67 67 0.9
6 59,200 50,300 61 60 51,400 46,400 62 62 41,600 64 64 2.1
8 67,300 54,900 59 57 57,700 50,600 61 59 48,800 63 62 3.5
Sensible
Capacity
(Btu/hr)
17,100
21,900
23,500
24,500
18,800
26,200
28,800
30,300
20,000
29,500
33,300
35,300
21,200
32,000
38,200
41,100
22,000
34,200
41,600
46,000
EAT
( °C)
Airflow
(L/s)
Water
Flow
(L/s)
EWT = 4 °C EWT = 7° C EWT = 10° C Water
Pressure
Drop
(kPa)
Total
Capacity
(kW)
Sensible
Capacity
(kW)
LAT
(
°C)
LWT
(
°C)
Total
Capacity
(kW)
Sensible
Capacity
(kW)
LAT
(
°C)
LWT
(
°C)
Total
Capacity
(kW)
LAT
(
°C)
LWT
(
°C)
27
(46%
RH)
425
0.13
7.4 6.2 15.2 18.4 6.4 5.7 16.1 19.4 5.0 17.4 19.4 2
0.25
10.2 7.7 12.3 14.1 8.7 7.0 13.6 15.4 7.2 14.8 16.8 6
0.38
11.9 8.5 10.8 11.9 10.0 7.7 12.3 13.6 8.2 13.8 15.2 14
0.50
13.1 9.0 9.8 10.6 11.0 8.1 11.6 12.4 8.8 13.3 14.2 24
570
0.13
8.1 7.0 17.0 19.7 7.1 6.4 17.8 20.6 5.5 19.1 20.4 2
0.25
11.5 9.2 13.9 15.3 9.8 8.4 14.9 16.6 8.3 16.0 17.9 6
0.38
13.6 10.2 12.4 13.0 11.5 9.3 13.7 14.5 9.5 14.9 16.0 14
0.50
15.2 10.9 11.3 11.6 12.7 9.9 12.8 13.2 10.4 14.3 14.9 24
710
0.13
8.5 7.5 18.4 20.5 6.8 6.8 19.2 16.4 5.9 20.3 21.1 2
0.25
12.4 10.3 15.2 16.2 10.7 9.5 16.1 17.4 9.2 17.1 18.7 6
0.38
14.9 11.7 13.6 13.8 12.7 10.7 14.7 15.2 10.6 15.8 16.7 14
0.50
16.7 12.5 12.6 12.3 14.1 11.4 13.9 13.9 11.6 15.1 32.2 24
900
0.13
8.2 8.2 19.6 19.9 7.2 7.2 20.5 20.8 6.2 21.4 21.8 2
0.25
13.4 11.6 16.6 17.1 11.7 10.6 17.4 18.3 9.4 18.5 18.9 6
0.38
16.3 13.3 14.9 14.7 14.0 12.3 15.9 16.1 11.9 16.9 17.5 14
0.50
18.4 14.4 13.9 13.2 15.6 13.3 15.0 14.6 13.1 16.1 16.2 24
1100
0.13
8.5 8.5 20.7 16.9 7.5 7.5 21.4 21.4 6.4 22.2 22.2 2
0.25
14.2 12.5 17.6 17.9 12.5 11.5 18.4 19.0 10.0 19.5 19.5 6
0.38
17.3 14.7 16.0 15.4 15.1 13.6 16.8 16.7 12.2 17.9 17.7 14
0.50
19.7 16.1 14.9 13.8 16.9 14.8 15.9 15.2 14.3 16.9 16.8 24
Sensible
Capacity
(kW)
5.0
6.4
6.9
7.2
5.5
7.7
8.4
8.9
5.9
8.7
9.8
10.4
6.2
9.4
11.2
12.1
6.4
10.0
12.2
13.5
COOLING
EWT = Entering Water Temperature
LWT = Leaving Water Temperature
EAT = Entering Air Temperature (dry bulb)
LAT = Leaving Air Temperature (dry bulb)
Lines shaded GREY = No dehumidification;
operation not recommended
Performance Tables - Vertical Models