Page 23
N
EO
T
HERM
Boilers and Water Heaters
Section 5 -
PUMP REQUIREMENTS
5.1 NeoTherm Boiler Flow and Head
Requirements - NTH
NORMAL WATER*
Flow H/L Temp
Flow H/L Temp
Size
gpm feet Rise °F
lpm
m
Rise °C
150
19 49 15
72 14.9 8
199
25 28 15
95 8.5 8
285
36 33 15
98 10.1 8
399
50 35 15
189 10.7 8
500
63 28 15
239 8.5 8
600
**
60 24 19
227 7.3 11
750
**
68 35 21
257 10.7 12
850
**
68 26 24
257 7.9 13
*
Maximum water hardness of 10 grains per gallon allowed.
**
See
SECTION 6B.7
for pump information.
Table 13. Water Heater Flow Data
5.2 NeoTherm Water Heater Flow and
Head Requirements - NTV
TEMPERATURE RISE IN °F
20°F
25°F
30°F
35°F
40°F
FLOW H/L FLOW H/L FLOW H/L FLOW H/L FLOW H/L
SIZE GPM FT GPM FT GPM FT GPM FT GPM FT
150 14.3 28.5 11.4 19 9.5 13.6 8.1 11.2 7.1 8.8
199/210
20 24.1 16 16.7 13.4 11.6 11.3 9 9.9 6.9
285 27 25.5 22 17.5 18 14 15 10.5 13 8
399 39 28 31 20 25 14.5 22 11 19 9
500 48 24 38 16 32 12 27 9 24 8
600 58 44 46 31 38 22 33 18 29 15
750 72 37 58 23 48 17 41 13 36 10
850 81 33 65 22 54 15 46 10 41 8
TEMPERATURE RISE IN °C
11°C 14°C 17°C 19°C 22°C
FLOW H/L FLOW H/L FLOW H/L FLOW H/L FLOW H/L
SIZE lpm m lpm m lpm m lpm m lpm m
150 54 8.7 43 5.8 36 4.1 31 3.4 27 2.7
199/210
76 7.3 61 5.1 51 3.5 43 2.7 37 2.1
285 102 7.8 83 5.3 68 4.3 57 3.2 49 2.4
399 148 8.5 117 6.1 95 4.4 83 3.4 72 2.7
500 182 7.3 144 4.9 121 3.7 102 2.7 91 2.4
600 220 13.4 174 9.4 144 6.7 125 5.5 110 4.6
750 273 11.3 220 7.0 182 5.2 155 4.0 136 3.0
850 307 10.1 246 6.7 204 4.6 174 3.0 155 2.4
Table 12. Boiler Water Flow Data
Summary of Contents for NTH
Page 4: ...LAARS Heating Systems...
Page 13: ...Page 9 NEOTHERM Boilers and Water Heaters 38 1 2 98 8 3 4 22 7 1 2 19 64...
Page 30: ...Page 26 LAARS Heating Systems Figure 21 Hydronic Piping Single Boiler Zoning with Circulators...
Page 86: ...Page 82 LAARS Heating Systems Parts Illustration 1 Jacket Components...
Page 88: ...Page 84 LAARS Heating Systems Parts Illustration 4 Internal Components Sizes 750 850...
Page 90: ...Page 86 LAARS Heating Systems Parts Illustration 6 Gas Train Components Sizes 600 850...
Page 93: ...Page 89 NEOTHERM Boilers and Water Heaters Notes...
Page 94: ...Page 90 LAARS Heating Systems Notes...
Page 95: ...Page 91 NEOTHERM Boilers and Water Heaters Notes...
