Roberts Gorden MGB Series Manual de servicio Pagina 18
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CABINET HEATERS INSTALLATION, COMMISSIONING, OPERATION AND SERVICE MANUAL
12 of 85
4.6 Technical Data - Ecoflam 2-Stage Burners
NOTE: The air setting is a guide only. The final setting is subject to combustion testing.
When setting the minimum firing rate, a check must be made following the setting of the burner combustion.
The check is made by running the heater on low fire for a minimum of 15 minutes at the full transport air
rate and at typical ambient conditions. During the test, check that the flue gas temperature does not fall
below 125° C (257° F). Should the flue gas temperature fall below 100° C (212° F), then the low fire gas
setting must be increased to a value that will achieve 125° C (257° F) flue gas temperature; otherwise
condensation may form in the heat exchanger and flue, causing rapid corrosion and short operational life.
NOTE: For adjustment of head setting, see Ecoflam Instructions.
Model 020 030 040 050 060 070 080 0100
Maximum Gross Heat Input
(kW)
(Btu/h) x (1000)
73.3
250.1
93.2
318.0
129.9
443.2
162.0
552.7
208.0
709.7
242.0
825.7
275.2
939.0
348.5
1189.1
Maximum Net Heat Input
(kW)
(Btu/h) x (1000)
66.0
225.2
84.0
286.6
117.0
399.2
146.0
498.2
187.4
639.4
218.0
743.8
248.0
846.2
314.0
1071.4
Minimum Gross Heat Input
(kW)
(Btu/h) x (1000)
51.3
175.0
65.2
222.5
90.9
310.2
113.4
386.9
145.6
496.8
169.4
578.0
192.6
657.2
244.0
832.5
Minimum Net Heat Input
(kW)
(Btu/h) x (1000)
46.2
157.6
58.8
200.6
81.9
279.5
102.2
348.7
131.2
447.7
152.6
520.7
173.6
592.3
219.8
750.0
Maximum Heat Output
(kW)
(Btu/h) x (1000)
61.2
208.8
77.1
263.0
107.4
366.5
134.5
458.9
171.5
585.2
200.8
685.1
230.4
786.1
289.5
987.8
Minimum Heat Output
(kW)
(Btu/h) x (1000)
43
147
55
188
77
263
94
321
124
423
144
491
161
549
205
699
Pressure Switch Setting (mbar) 4.8
Gas Connection (in) 1/2 3/4" 1 1 1/4
Natural Gas (G20) Data - Inlet Pressure 20 mbar (7.8 in WG) Min 17 mbar (6.8 in WG) Max 25 mbar (10 in WG)
Main Burner Gas Pressure (mbar) 5.4 6.8 8.6 9 8.5 12.5 8 10.2
Min. Burner Gas Pressure (mbar) 3.3 2.8 3.5 4 4.8 7.5 4.5 5.6
Maximum Gas Rate
(m
3
/h)
(ft
3
/h)
7.0
247
8.9
314
12.4
438
15.4
544
19.8
699
23.1
816
26.2
925
33.2
1172
Minimum Gas Rate
(m
3
/h)
(ft
3
/h)
5.4
190.7
5.6
197.8
7.5
264.9
9.6
339.0
14.8
522.7
17.9
632.1
20.2
713.4
25.2
889.9
Burner Type Max Gas 120 Max Gas 170 Max Gas 250 Max Gas 350
Burner Head TC TC TC TC TL TL TC/TL TC/TL
Burner Head Setting (number) 1 1 1 1.5 3.2 5 1 1.5 / 1.8
Low Flame Air Orange Cam ** 30° 1 1.5 1.8 1.9 1.7 1.5
High Flame Air Red Cam ** 36° 73° 2.5 5 5 4 2.2 1.8
Valve Type Main Gas MB-ZRDLE 405 MB-ZRDLE 407 MB-ZRDLE 410 MB-ZRDLE 412
LPG Gas Propane (G31) Data - Inlet Pressure 37 mbar (14.6 in WG) Min 25 mbar (10 in WG) Max 45 mbar (18 in WG)
Main Burner Gas Pressure (mbar) 2.7 4.4 9.3 8.4 8.4 8.3 8 10.1
Min. Burner Gas Pressure (mbar) 1.9 1.3 4.8 3.9 3.9 4.8 7.4 5.3
Maximum Gas Rate
(m
3
/h)
(kg/h)
2.8
5.1
3.5
6.5
4.9
9.1
6.1
11.3
7.8
14.5
9.1
16.9
10.4
19.2
13.1
24.3
Minimum Gas Rate
(m
3
/h)
(kg/h)
1.9
3.5
1.9
3.5
3.3
6.1
4.1
7.6
6.2
11.4
6.6
12.2
6.5
12.0
10.2
19.0
Main Gas Orifice (mm dia) 10.0 14.5 NA
Burner Type Max Gas 120 Max Gas 170 Max Gas 250 Max Gas 350
Burner Head TC TC TC TC TL TL TC/TL TC/TL
Burner Head Setting (mm) 1 1 0 1.7 2.7
4.2 1 1.5
Low Flame Air Orange Cam ** 30° 25° 1
1.5 1.9
1.9 1.5
2
High Flame Air Red Cam ** 35° 55° 3 5 5 5 2.1 5
Valve Type Main Gas MB-ZRDLE 405 MB-ZRDLE 407 MB-ZRDLE 410 MB-ZRDLE 412
- Installation 1
- Commissioning 1
- Cabinet Heaters 1
- Roberts-Gordon Europe Limited 3
- TABLE OF FIGURES 5
- Product Approval 7
- SECTION 1: HEATER SAFETY 9
- RITICAL CONSIDERATIONS 11
- Electrical Shock Hazard 13
- PECIFICATIONS 15
- 2H/L 3B/P 17
- 4.2 1 1.5 18
- 13 of 85 19
- 14 of 85 20
- EATER INSTALLATION 21
- 16 of 85 22
- SECTION 6: FLUE INSTALLATION 23
- Description Part Number 24
- 19 of 85 25
- Figure 7: 90° Horizontal Flue 25
- Figure 8: Guy Wire 25
- 21 of 85 27
- Explosion Hazard 28
- SECTION 8: FUEL PIPE WORK 29
- 26 of 85 32
- PRESSURE 43
- 4.8 MBAR 43
- (1.96"W.C) 43
- SECTION 10: COMMISSIONING 47
- SECTION 11: USER INSTRUCTIONS 55
- SECTION 12: SERVICING 57
- 8 mm to 10 mm 58
- ONVERSION BETWEEN FUELS 61
- 56 of 85 62
- SECTION 14: TROUBLESHOOTING 62
- 57 of 85 63
- 14.1 General 63
- 58 of 85 64
- 59 of 85 65
- 61 of 85 67
- 62 of 85 68
- replacement parts 68
- EMOVAL AND REPLACEMENT PARTS 69
- MUST BE REMOVED 71
- 67 of 85 73
- Burner: MAX105 73
- DESCRIPTION RG P/N 73
- 68 of 85 74
- Burner: MAX170 74
- 69 of 85 75
- Burner: MAX250 75
- 70 of 85 76
- Burner: MAX350 76
- 71 of 85 77
- 16.2 Gas High/Low 77
- Burner: MAX120 77
- 72 of 85 78
- 73 of 85 79
- 74 of 85 80
- Burner Head: TC/TL 80
- 75 of 85 81
- 16.3 Oil On/Off 81
- Burner: MAX8 81
- 76 of 85 82
- Models: 30 (Oil on/off) 82
- Burner: MAX12 82
- 77 of 85 83
- Burner: MAX15: 83
- 78 of 85 84
- Burner: MAX20 84
- 79 of 85 85
- Models: 80 (Oil on/off) 85
- Burner: MAX30 85
- 80 of 85 86
- Models: 100 (Oil on/off) 86
- Burner: MAX35 86
- 81 of 85 87
- 16.4 Oil High/Low 87
- Models: 30 (Oil high/low) 87
- 82 of 85 88
- Burner: MAX15 88
- 83 of 85 89
- Burner: MAX25 89
- 84 of 85 90
- Models: 100 Oil (high/low) 90
- 85 of 85 91
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