REMEHA P 420, Technical Instructions

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06/04/06 - 300008441-001-C Remeha P 420
1 Technical characteristics
Maximum operating pressure: 6 bar
Boiler thermostat setting: 30 to 90°C
Maximum operating temperature: 100°C
*Maintenance consumption: total heat emission when the burner is
off as a percentage of the nominal input power when the difference
between the mean boiler temperature and the room temperature is
30 K.
(1)
Nominal operation (top boiler power)
(2
)
CO
2
= 13.1 to 13.5% with fuel oil and 9.5% with natural gas.
(3)
Boiler temperature : 80 °C - Ambient temperature : 20 °C
Boiler P 420-8 P 420-9 P 420-10 P 420-11 P 420-12 P 420-13 P 420-14
Useful output kW 300-390 390-450 450-540 540-600 600-670 670-720 720-780
Power input kW 333.7-443.3 443.3-511.4 511.4-613.6 613.6-681.8 681.8-761.4 761.4-818.2 818.2-886.4
Number of sections 8 9 10 11 12 13 14
Water capacity l 366 409 452 495 538 581 624
Water resistance
∆
T = 10K
mbar
37 55 86 105 136 161 204
∆
T = 15K 20 27 37 47 62.5 78.5 110
∆
T = 20K 9.5 13.5 22.5 27 33.5 40 54
Pressure in the fur-
nace for nozzle pres-
sure = 0
(1) (3) (2))
mbar 1.1 1.5 2.0 2.5 2.5 2.5 3.5
Smoke temperature
(1) (3) (2)*
°C < 220 < 220 < 220 < 220 < 220 < 220 < 220
Mass flue gas flow
rate
(1) (2)
Fuel oil
Kg/h
650 750 900 1000 1116 1200 1450
Gas 700 810 972 1080 1207 1297 1405
Combustion chamber
Diameter, combus-
tion chamber
mm 530 530 530 530 530 530 530
Width, combustion
chamber
mm 638 638 638 638 638 638 638
Depth, combustion
chamber
mm 1183 1343 1503 1663 1823 1983 2143
Volume
m
3
0.310 0.354 0.396 0.439 0.481 0.523 0.565
Maintenance con-
sumption*
à 50°C W 315 358 413 451 494 505 555
Shipping weight kg 1470 1650 1830 2010 2190 2370 2550