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Vitoflex 300-RF Installation & Operating
Technical Data
Boiler model
Maximum output
1
Minimum output
Efficiency
2
Fuel moisture content
Size of wood chips
3
Flue gas figures
Connection flue gas pipe
7
Mass flow rate; W5; O
6%
2
Volume flow; W5; O
6%; 150ºC (302º F)
2
Mass flow rate; W35; O
8%;
2
Volume flow;W35; O
8%; 150°C (302º F)
2
Average flue gas temperature at full load
Average flue gas temperature at partial load
Chimney draft required
Electrical connections
Electrical connections, total
Igniter
Flue gas exhaust blower
Rotary blower
In-feed auger
Grate drive unit
Electric power consumption at full load
Electric power consumption at partial load
Heating
Water side resistance (diff. 27°F/15 K)
Boiler water volume
Heating surface
Volume on heating gas side
Volume of ash container for grate ash
Volume of ash container for flue gas cyclone
5
Test pressure
Maximum allowable working pressure (water)
Maximum water temperature
Minimum return temperature
Weight
Weight of combustion chamber
Weight of pressure vessel (30 psi)
Weight of pressure vessel (60 psi)
Weight of displacement rods
Weight of flue gas exhaust blower
Weight of in-feed auger
Total weight without water (30 psi)
Total weight without water (60 psi)
Total weight with water (30 psi)
Total weight with water (60 psi)
1
Minimum load:
2
Moist fuels:
3
Specification:
4
Flue gas temperature: An increase is possible by removing the displacement rods [Full load 86°F (30°C);
5
Pressure:
6
Weight:
7
Overall weight:
Other influences:
MBH (kW)
MBH (kW)
--
%
--
A
in. (mm)
lb/s (g/s)
ft³/s (m³/s)
lb/s (g/s)
ft³/s (m³/s)
4
°F (°C)
4
°F (°C)
Pa
kW
kW
kW
kW
kW
kW
kW
kW
"wc (mbar)
USG (L)
ft² (m²)
USG (L)
USG (L)
USG (L)
psi (bar)
5
psi (bar)
°F (°C)
°F (°C)
lb. (kg)
6
lb. (kg)
6
lb. (kg)
lb. (kg)
lb. (kg)
lb. (kg)
7
lb. (kg)
7
lb. (kg)
7
lb. (kg)
7
lb. (kg)
Operation with modulated control (Infinitely variable power control)
Low load with ON Qmin / OFF (Stop-and-go mode)
>W35 further limitations regarding output, degree of efficiency and control behavior. >35%
MC will limit the output, decrease efficiency and introduce sub optimum control of
combustion etc. In addition, the quote for Vitoflex 300 RF is insufficient to allow for complete
combustion of fuels in excess of 35% moisture content.
See section on Wood Fuel Requirements
Partial load 50°F (10°C)]
Per ASME Sec. IV
Includes door and refractory concrete lining
Includes displacement rods
Fuel, water content, ash content, pneumatic cleaning system yes/no; track time
(number of operating hours without cleaning).
Specifications for the start of the track time [toward the end of the track time there
is an increase in the flue gas temperature by approx. 68°F (20°C)]
RF 150
RF 220
512 (150)
751 (220)
154 (45)
205 (60)
G 30 / G 50 as per CAN/CSA-B366. 1-M91
/
/
7
7
9
(250)
9
(250)
8
8
0.18 (80.4)
0.26 (117.9)
3.1 (0.09)
4.9 (0.14)
0.24 (106.9)
0.35 (156.9)
4.2 (0.12)
6.7 (0.19)
2.67
2.85
1.6
1.6
0.55
0.55
0.12
0.12
0.37
0.55
0.03
0.03
1.032
1.108
0.355
0.369
13 (38)
30 (76)
114 (430)
209 (790)
116.3 (10.8)
172.3 (16.0)
99 (374)
197 (744)
8 (32)
12 (45)
1049 (477)
1278 (581)
4885 (2216)
6535 (2964)
4974 (2256)
6667 (3024)
191 (87)
310 (141)
88 (40)
88 (40)
315 (143)
315 (143)
6532 (2963)
8530 (3869)
6620 (3003)
8662 (3929)
7485 (3395)
10280 (4663)
7573 (3435)
10412 (4723)
RF 300
RF 400
1024 (300)
1365 (400)
273 (80)
341 (100)
85%
W 35
/
/
7
7
11
(300)
13
(350)
8
8
0.35 (160.8)
0.47 (214.4)
6.7 (0.19)
8.8 (0.25)
0.47 (213.9)
0.63 (285.2)
8.8 (0.25)
12.0 (0.34)
320 (160)
266 (130)
±0
3.6
3.98
1.6
1.6
0.75
1.1
0.12
0.12
1.1
1.1
0.03
0.06
1.521
1.868
0.434
0.480
16 (42)
11 (29)
238 (900)
350 (1330)
222.9 (20.7)
310.1 (28.8)
233 (883)
354 (1340)
15 (55)
20 (75)
24 (90)
60 or 90 (4 or 6)
30 or 60 (2 or 4)
250 (120)
149 (65)
1410 (641)
1712 (778)
7408 (3360)
9764 (4429)
7452 (3380)
9875 (4479)
359 (163)
484 (220)
99 (45)
136 (62)
315 (143)
315 (143)
9595 (4352)
12416 (5632
9639 (4372)
12527 (5682)
11585 (5255)
15340 (6958)
11629 (5275)
15450 (7008)
Mechanical
RF 540
1843 (540)
478 (140)
/
7
13
(350)
8
0.64 (289.44)
12.4 (0.35)
0.85 (385.1)
16.2 (0.46)
3.63
1.6
1.1
0.12
0.75
0.06
1.753
0.460
22 (56)
399 (1510)
424.1 (39.4)
426 (1613)
24 (91)
2061 (937)
11233 (5095)
11453 (5195)
636 (289)
136 (62)
328 (149)
14401 (6532)
14621 (6632)
17730 (8042)
17950 (8142)
21
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