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Model S Nomenclature
UHS A
0 1 8 S
2
E
123
4
5 6 7 8
9
10 11 12
Digits 1,2,3 – Product Type
Digit 4 – Development Sequence
Digits 5,6,7 – Unit Size
Digit 8 – Coil Type
S = Hot Water or Steam
W = Hot Water with Turbulators
Digit 9 – Fin Series
2 = 132
8 = 108
Digit 10 – Design Sequence
Digit 11 – Tube Material
Digit 12 – Fin Material
Digit 13 — Voltage
Digit 14 — Motor Type
Digit 15 — Motor Mount/Fan Guard
Digit 16 — Special Coatings
Digit 17 — Diffuser
Digit 18 — Manual Starter
Digit 19 — Speed Controller (115/60/1
standard motors)
Digit 20 — Thermostats
Digit 21 — Subbase
Digit 22 — Voltage
UH-PRC001-EN
Selection
Procedure
A
A
1
T
A W D
13 14 15 16 17 18 19 20 21
Table SP-1 – Max. Mounting Heights and Distance of Throw for Model S Units
(Based on 2 Lbs. Steam Pressure 60 F Entering Air)
Unit
18-S
20-S2
38-S
42-S
60-S
70-S
90-S
100-S
126-S
168-6
186-S
230-S
260-S
320-S
354-S
400-S
19-S2
31-S
45-S
53-S
69-S
77-S
91-S
127-S
137-S
181-S
207-S
243-S
273-S
A D B
E
Final
Outlet
Temp.
Velocity
CFM
(F)
162
280
117
186
318
118
319
544
126
347
590
125
343
815
129
454
1100
117
382
1214
127
476
1535
118
411
1760
126
452
2380
127
528
2808
121
431
3300
124
529
4100
118
442
4480
127
550
5660
118
583
6017
122
220
390
106
359
635
104
363
897
107
439
1090
105
407
1337
108
458
1510
107
394
1740
108
448
2440
108
495
2700
107
430
3392
109
514
4059
107
439
4607
108
536
5644
105
Maximum Throw
With Louver Fin
Mounting Without
Set for
Height
Diffuser
Maximum Throw
8
12
15
8
15
18
9
18
22
9
20
25
9
22
27
10
28
35
11
28
35
12
28
35
13
32
40
14
40
50
14
45
56
15
40
50
15
50
62
15
50
62
15
60
75
15
65
80
8
18
22
8
20
25
9
25
31
10
28
35
12
30
37
13
32
40
14
32
40
15
40
50
15
45
56
15
42
52
15
48
60
15
55
68
15
60
75
13
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