Econoflame R2700/R2800/R2900 boilers - CMS

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32 Fig. 22b Chimney connection R2900 The R2700 and R2800 appliance must never be connected to a flue systems with a plastic lining (consult the applicable standards and regulations). The maximum flue gas temperature at full capacity and with a water supply temperature of 80 °C will not exceed 170 °C for the R2700, 145 °C for the R2800 and 90 °C for the R2900. The R2700 and R2800 are equipped with a flue attenuator. Never connect the flue pipe directly to the flue attenuator. The flue attenuator must always be free standing. It must never be in contact with the walls of the chimney. The flue pipe connected to the appliance must first rise vertically by 70 cm before either the diameter or the direction is changed. The openings on the underside of the flue connection ring must never become blocked. The free flow of condensate and any rain water must be guaranteed. The flue connection is at the back of the appliance. To ensure proper functioning of the appliance, it is recom- mended that a draught stabiliser be mounted in the flue system (for the room sealed appliance this is not permitted). Calculation of the diameter For calculating and checking the internal diameter of a flue system with mechanical discharge, refer to the applicable national and local regulations and specifications. Calculation of the length The lengths given in the following table are only intended for the further calculation of the total length. The maximum vertical length may not exceed the flue length as indicated in table 10. 2789CV02C
Maximum permitted flue system length in metres of smooth pipe. Standard flues only. Type Length of flue system in m Diameter Diameter Diameter Diameter Diameter Diameter 120 mm 150 mm 180 mm 200 mm 250 mm 300 mm R2700 25 87* - - - - R2701 16 56* - - - - R2702 ** 39* - - - - R2703 ** ** 62* - - - R2704 ** ** ** 70* - - R2705 ** ** ** 35* - - R2706 ** ** ** ** 71* - R2707 ** ** ** ** 50* - R2708 ** ** ** ** ** 92* R2709 ** ** ** ** ** 69* R2800 28 96* - - - - R2801 17 59* - - - - R2802 ** 36 95* - - - R2803 ** ** 61 107* - - R2804 ** ** 30 54* - - R2805 ** ** ** 32 109* - R2806 ** ** ** 21 76* - R2807 ** ** ** ** 53 141* R2808 ** ** ** ** 38 105* R2809 ** ** ** ** 31 86* R2900 32 110* - - - - R2901 17 59* - - - - R2902 ** 36 95* - - - R2903 ** ** 61 107* - - R2904 ** ** 30 54* - - R2905 ** ** ** 32 109* - R2906 ** ** ** 21 76* - R2907 ** ** ** ** 53* 141 R2908 ** ** ** ** 38 105* R2909 ** ** ** ** 31 86* Table 10 Length of flue system The flue system lengths have been rounded down. * Chimney diameter at the appliance ** Not applicable 2789CV02C 33
Page 1 and 2: ECONOFLAME R2700/R2800/R2900 BOILER
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Page 14 and 15: XIV 5.4 Hydraulic system ..........
Page 16 and 17: 1.4 Service The Stokvis service dep
Page 18 and 19: 4 The boiler pump ensures the water
Page 20 and 21: 2.2.1 Description of The boiler is
Page 22 and 23: 2.3 Boiler control The principle em
Page 24 and 25: 10 Maintenance Work on the electric
Page 26 and 27: 4 DELIVERY AND TRANSPORT 4.1 Delive
Page 28 and 29: 14 Dismantling and reassembly When
Page 30 and 31: 16 Fig. 13 Mounting the vibration d
Page 32 and 33: 18 Installation on a roof When the
Page 34 and 35: 20 This front panel can be simply r
Page 36 and 37: 22 Electro-technical data Type Fan,
Page 38 and 39: 24 ting the boilers to standby duri
Page 40 and 41: 5.3.4 Combustion air supply 26 It i
Page 42 and 43: 5.3.5 The flue system 28 Fig. 20 He
Page 44 and 45: 5.3.5.2 Chimney 30 Type Flue gas Fl
Page 48 and 49: 34 Losses in the chimney related to
Page 50 and 51: 5.4 Hydraulic system 36 The connect
Page 52 and 53: 38 The primary pump has been sized
Page 54 and 55: 5.4.2.3 Isolating valves 5.4.2.4 Va
Page 56 and 57: 42 In the United Kingdom, water har
Page 58 and 59: 44 Example of a low velocity header
Page 60 and 61: 46 Switching the secondary pumps on
Page 62 and 63: 6 OPERATING INSTRUCTIONS 6.1 Functi
Page 64 and 65: 50 Information mode With the cover
Page 66 and 67: 6.5 Start-up 1 Open the gas valve 2
Page 68 and 69: 7 COMMISSIONING 7.1 General Commiss
Page 70 and 71: 56 Check the appliance at minimum c
Page 72 and 73: 8.4 Cleaning the burner The burner
Page 74 and 75: 8.8 Service 60 Factory set paramete
Page 76 and 77: 62 η b =90- η o = 100 - η b =90-
Page 78 and 79: 7944 44 440)1)28 44 $W WKH WLPH RI

Econoflame R2700/R2800/R2900 boilers - CMS

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