Laars NTH, Инструкция по установке и эксплуатации

Страница: 27 / 96

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