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TECHNICAL DATA with Hot Water for HA 11 - HA 12
Entering Water Temperature (EWT): 20°F(93°C) - Water Temperature Drop (WTD):20° (11°C)
Entering Air Temperature (EAT): 60° (16°C)
TABLE A - Low Speed Fan Setting
Leaving Air Temp.
(LAT)
Approx.
MBH
°F
°C
Size
Fan rpm
Output
18/24
1,050
13
104°
40°
23/33
1,050
17
107°
42°
44/62
1,050
32
113°
45°
60/85
1,050
45
112°
44°
78/100
1,050
58
109°
43°
96/120
850
72
115°
46°
140/175
850
105
115°
46°
190/238
850
141
119°
48°
300/350
750
230
116°
47°
TABLE B - High Speed Fan Setting
Leaving Air Temp.
(LAT)
Approx.
MBH
°F
°C
Size
Fan rpm
Output
18/24
1,550
19
104°
40°
23/33
1,600
24
104°
40°
44/62
1,600
45
108°
42°
60/85
1,600
64
107°
42°
78/100
1,600
82
106°
41°
96/120
1,100
89
113°
45°
1,100
131
112°
45°
140/175
190/238
1,100
177
117°
47°
300/350
1,100
276
114°
45°
Water Flow
Air Volume
WPD
feet of
Gal. per
Liters per
Minute
Minute
water
cfm
(m
3
/hr)
1.31
4.96
0.06
270
459
1.72
6.49
0.01
330
561
3.23
12.22
0.08
560
952
4.54
17.18
0.23
800
1,359
5.85
22.15
0.48
1,100
1,869
7.26
27.49
0.95
1,200
2,039
10.59
40.09
1.90
1,750
2,973
14.22
53.84
4.50
2,200
3,738
23.20
87.82
3.30
3,800
6,457
Water Flow
Air Volume
WPD
Gal. per
Liters per
feet of
Minute
Minute
water
cfm
(m
3
/hr)
1.92
7.27
0.11
400
680
2.42
9.16
0.04
500
850
4.54
17.18
0.15
860
1,461
6.46
24.45
0.45
1,250
2,124
8.27
31.30
0.95
1,650
2,804
8.98
33.99
1.30
1,550
2,634
13.22
50.04
2.80
2,300
3,908
17.86
67.60
7.00
2,850
4,842
27.84
105.37
4.80
4,750
8,071
14
TECHNICAL DATA with Steam for HA 12 only
The performances reflected in these tables are based on the following: Steam pressure:
2 Pounds per Square Inch (psi) - Enter Air Temperature (EAT): 60° (16°C)
Fan Speed
18/24
23/33
Low
18
23
MBH
Œ
High
24
33
Maximum
Low
5,276
6,741
Heating
Watts
Œ
Capacity
High
7,034
9,672
Low
4,536
5,796
Kcal/hr
Œ
High
6,048
8,317
Low
121°
124°
°F
Maximum
High
115°
121°
Leaving Air
Temperature
Low
49°
51°
(L.A.T.)
°C
High
46°
49°
Low
1,050
1,050
Approximate Fan RPM
High
1,550
1,600
Low
0,014
0.020
Motor HP
High
0.040
0.055
Low
0.3
0.4
Amp Rating
High
0.6
0.9
Low
45
46
Noise Level at 17 ft
(5m) - dB(A)
High
52
54
Low
270
330
cfm
High
400
500
Approximate
Air Volume
Low
459
561
m
3
/hr
High
680
850
Low
382
443
fpm
High
540
672
Supply Air
Velocity
Low
116
135
m/min
High
165
205
Low
19
24
Cond.
Ibs./hr
High
25
34
Low
75
96
Sq. Ft.
EDR
100
138
High
Rows of Coils in Heat Exchanger
1
2
Size
44/62
60/85
78/110
96/120
140/175
44
60
78
96
140
62
85
110
120
175
12,896
17,586
22,862
28,138
41,034
18,172
24,914
32,241
35,172
51,293
11,089
15,121
19,657
24,194
35,282
15,625
21,421
27,722
30,242
44,103
132°
129°
125°
134°
134°
126°
123°
121°
131°
130°
56°
54°
52°
57°
57°
52°
51°
49°
55°
54°
1,050
1,050
1,050
850
850
1,600
1,600
1,600
1,100
1,100
0.027
0.048
0.090
0.041
0.070
0.082
0.150
0.260
0.090
0.160
0.6
1.1
1.7
0.9
1.1
1.2
1.9
3.0
1.8
2.6
49
54
57
47
49
58
63
65
52
55
560
800
1,100
1,200
1,750
860
1,250
1,650
1,550
2,300
952
1,359
1,869
2,039
2,973
1,461
2,124
2,804
2,634
3,908
522
549
578
500
590
802
860
866
642
773
159
167
176
152
180
244
262
264
196
236
46
62
81
99
145
64
88
114
124
181
183
250
325
400
583
258
354
458
500
729
2
2
2
2
2
14/A
190/238
300/350
190
300
238
350
55,689
87,930
69,758
102,585
47,883
75,605
59,980
88,206
140°
133°
137°
128°
62°
56°
58°
53°
850
750
1,100
1,100
0.110
0.500
0.250
1.140
2.2
6.5
3.4
13.0
52
61
60
67
2,200
3,800
2,850
4,750
3,738
6,457
4,842
8,071
613
755
793
936
187
230
242
285
197
310
246
362
792
1,250
992
1,458
2
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