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Chappee NXR3 Installation Manual

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Chappee NXR3 User Manual
Chappee NXR3 User Guide
Chappee NXR3 Online Manual

Text of Chappee NXR3 User Guide:

  • Chappee NXR3, 1 Ref. : CH - 1249 - A - 2 1 . Standards - Regulations 2 . General 3 . Assembly and installation 4 . Installing the options 5 . Commissioning 6 . Maintenance HIGH-EFFICIENCY, PRESSURIZED, CAST IRON, OIL OR GAS BOILERS 70 / 290 kW Ref. : CH - 1249 - A - 2 - EN 07/01 INSTALLATION MANUAL NXR3

  • Chappee NXR3, 2Ref. : CH - 1249 - A - 2 1. STANDARD - REGULATIONS BAXI does not accept any liability for damage caused by work that does not comply with these instructions and/ or which has not been carried out by a qualified installer. This boiler design complies with the following European directives: Directive Mains voltage 73 / 23 / CEE Directive Electromagnetic 89 / 336 / CEE compatibility Directive Efficiency 92 / 42 / CEE This boiler complies with the following standards: EN 303.1 • Boilers with forced air burner: Terminology, general specifications, tests and marking EN 303.2 • Boilers with forced air burner: Special specifications for boilers with sprayed oil burner EN 304 • Test re

  • Chappee NXR3, 3 Ref. : CH - 1249 - A - 2 2. GENERAL 2 . 1 Description Boilers of this type are composed of a cast-iron exchanger, consisting in sections assembled by means of nipples. Their heat transfer surfaces have been specially designed to reach high efficiency. The exchanger is insulated by a glass wool layer lined by lacquered steel casing panel, itself insulated to reduce heat losses to a minimum. These pressurized boilers must be fitted with jet-oil or blown- gas burners, provided operating characteristics are compati- ble with the combustion chamber size and pressure condi- tions. They heat premises, and, for Domestic Hot Water (D.H.W.) production, can be coupled wit

  • Chappee NXR3, 4Ref. : CH - 1249 - A - 2 2 . 5 Technical data Flow DN 65 Fig. 1 Return DN 65 Drain Rp 1 1/2" orifice Rp 2" orifice for sludge flushing 36 130-170 6 1335 1240 1090 292 935 180 170 270 160 6 15 30-90 110 0,11 0,40 140-185 0,5-0,8 201-265 232-306 161-180 92,7 - 93 6 139 - 183 0,5 - 1,0 199 - 262 229 - 303 147 - 166 93,4 - 94,2 39 250-290 9 1845 1750 1600 292 1445 200 260 390 232 6 50 30-90 110 0,07 0,25 271-317 1,5-2,3 388-454 448-524 170-188 92,4 - 93,2 270 - 315 1,7 - 2,5 385 - 451 445 - 520 156 - 174 93,0 - 93,8 37 170-210 7 1505 1410 1260 292 1105 180 200 320 184 6 21 30-90 110 0,09 0,33 184

  • Chappee NXR3, 5 Ref. : CH - 1249 - A - 2 3. ASSEMBLY AND INSTALLATION Connections to water supply Connection to the heating system needs to be done according to statutory regulations and trade practice. Fuel supply For oil and gas, comply with statutory rules and recommendations, in particular with respect to safety rules. Power supply comply with regulatory prescriptions, in particular with res- pect to earthing and its connection to the boiler (main switch...) Flue stack A 0 daPa depression should be observed at exit of smoke box. Comply with statutory regulations and trade practice. Please note that the efficiency of these boilers results in relatively

  • 6Ref. : CH - 1249 - A - 2 Boiler Number of sections ref. Front Middle Rear 34 1 2 1 None 35 1 3 1 None 36 1 4 1 Short 37 1 5 1 Short 38 1 6 1 Long 39 1 7 1 Long Distributors Cord S S E Fig. 5 Sludge flush Non return valve Fig. 4 DIAGRAM OF THE ELEMENTS S : tightening markings E : spacing pads S Front Middle Rear Assembly marking Cord junction point SSS Minimum flow rate must be provid

  • Chappee NXR3, 7 Ref. : CH - 1249 - A - 2 3 . 2 Assembling the sections The sections are assembled using nipples. For a good tightness of the assemblies, it is compulsory to use a special product which ensures a perfect seal (this coating is always provided with the boiler). Proceed in the following way: 1) Open the "Extra accessories" box, 2) Clean the nipples with a solvent, 3) Put the rear section in vertical position and secure it against tilting by propping it up, 4) Position the wooden block provided in the "extra accessories" box, 40 mm thick, in front of the rear section’s legs, 5) On the vertical section, clean the groove awaiting the cord with a metal brush, then pos

  • 8Ref. : CH - 1249 - A - 2 3 . 3 Tightening the sections To tighten the sections, a set of assembly bars is necessary. It comprises: For 4- to 7- section boiler: - 2 assembly bars, length = 1.60 m (A), - 2 fixed plates with stop-ring (B), - 2 mobile plates with ball nut (C), - 1 ratchet wrench. This set is not part of normal supplies. For 8- and 9- section boilers: - Same as abov

  • Chappee NXR3, 9 Ref. : CH - 1249 - A - 2 EXCHANGER 5 Sealing cord Ø 7 40 Screws bag Fig. 9 14 Disriburor, Length 180 14a Distributor, Length 530 15 Flow and return manifold 16 Drain valve 17 Sensor pocket, Length 100 mm 18 Upper baffle 18a Lowe baffle 19 Smoke box Ø 180 19a Smoke box Ø 200 20 Flue-way hatch (L) 20a Flue-way hatch (R) 21 Leaktightness braid Ø 8 22 Chamber door 23 Internal insulation 24 External insulation 25 Sight flange 26 Sight glass and seal 27 Door seal Ø 16 28 Burner plate 29 Burner plate gasket 30 Cleaning access. door 31 Internal insulation 32 External insulation 33 Insula

  • Chappee NXR3, 10Ref. : CH - 1249 - A - 2 Method • Assemble the 8 studs 12 x 65 around the rear section’s start and return orifices. • If necessary, insert the distributor (see figure 22) in the return orifice by interpolating the seal (13). • Place the boiler in its final position and level it, which would be made easier by the "Adjustable legs" option (chapter 3 . 1) • Screw the pocket and the reducer (7) in a leaktight manner in the front section’s upper orifice. • A threaded orifice Ø 2" is provided at the bottom of the front section, for mounting a valve enabling rinsing and flushing of the installation’s sludge (we recommend mounting coil, a 90° bend a

  • Chappee NXR3, 11 Ref. : CH - 1249 - A - 2 Top insulation blanket Bottom insulation blanket Insulation positioning Fig. 10 Stud M 10 x 90 Hinge Stud M 10 x 90 Stud M 10 x 90 Stud M 10 x 90 Screw TH M 10 x 30 Screw TH M 10 x 30 Screw TH M 10 x 30 Screw TH M 10 x 30 Hinge Hinge Hinge Guide Guide Door hinge and door guide assembly Pre-drilled burner door Fig. 11 Fig. 12 Screw TH M 10 x 30 Stud M 10 x 90 Stud M 10 x 90 Screw TH M 10 x 30 Stud M 10 x 90 Stud M 10 x 90 4 holes M 8 equidistant on a perforation Ø of 170 4 holes M 10 equidistant on a perforation Ø of 200 4 holes M 14 equidistant on a perforation Ø of 254 Side insulation blanket Rear insulation blanket N0226400.PLT N0

  • Chappee NXR3, 12Ref. : CH - 1249 - A - 2 Method • Screw the hexagonal spacers on the rear section’s 3 spacer pads, and place on each spacer a TH M 5 x 10 screw. • Place the lower heat-insulator (cross-shaped, 50 mm thick on black veil) under the heat chamber taking care to jam the ends between the assembly linkages and the chamber. • Casing the whole of the chamber by the side insulation (50 mm thick) and tuck its ends under the chamber (see figure 12). • On the rear section, insert insulation (100 mm thick) on the spacers. • NOTE : for exchangers with 8 or 9 sections

  • Chappee NXR3, 13 Ref. : CH - 1249 - A - 2 CASING ASSEMBLY 50 Rear spacer 51 Lower rear 52 Lower foot 53 Cross-member 54 Right side-rail 55 Left side-rail 56 Lower mask 57 Right side 58 Left side 59 Side restraint 60 Rear right side 61 Rear left side 62 Middle side 63 Upper rear 65 Front top 66 Rear top 67 Middle top 68 Upper front 69 Lower right front 70 Lower left front 71 Casing screw bag 71 Casing screw bag Fig. 15 02237-01.TIF

  • Chappee NXR3, 14Ref. : CH - 1249 - A - 2 Operation Lower mask (56) Front sides (57 - 58) Side restraint (59) Middle sides (62) Rear sides (60 - 61) Upper rear (63) Upper heat-insulator (33) Front top (65) Middle top (67) Rear top (66) Control panel Lower left and right façades (69 - 70) Upper façade (68) (see figure 14) Method • Place the lower mask on both lower feet at the front of the boiler (this part is pre-cut to allow passing of sludge tubing, or can also be taken out)). • Hook the front sides onto the side-rails and fasten them using the axi

  • Chappee NXR3, 15 Ref. : CH - 1249 - A - 2 BOILER AND BURNER POWER SUPPLY Fig. 20 Three-phase current Single-phase current Single-phase current CABLES FITTING Fig. 21 Control Control Burner motor power supply CAUTION :In the case the burner motor is supplied with three-phase power, control panel single phase supply must imperatively be taken from one of the phases supplying the burner motor. VERY IMPORTANT : Never connect the burner control box directly to one of the phases. N0225300 ELECTRIC CONNECTION The facility must comply with c

  • Chappee NXR3, 16Ref. : CH - 1249 - A - 2 4. INSTALLING THE OPTIONS 4 . 1 Adjustable legs For levelling the assembled heating chamber, located in the boiler room. Assembly of the 4 heating chamber legs: - Screw the adjusting screws up to the maximum in the supports, - Engage the support in the space provided on each heating chamber leg, as shown in figure 19. Fasten the supports on the end of each assembly linkage (nut + washer), - Slide the pads under the adjusting screws, - Level using the screw with a 17 flat wrench (adjusting travel = 16 mm maximum). 15 - Return manifold 16 - Drain valve 17 - Sensor pocket 12 - Flange 13 - Gasket 14 - Distributor 4 . 2 Heating system flow and re

  • 17 Ref. : CH - 1249 - A - 2 Ø 7,5 Upper baffles Lower baffles 4 . 3 Lower savers The two optional extra optimizing baffles should be placed in the two lower "flue-ways" as shown in figure 21: Engage each baffle in the "flue-way". Performance as shown in the characteristics table corres- pond to the boiler operating with the upper and lower baffles as shown in the po

  • Chappee NXR3, 18Ref. : CH - 1249 - A - 2 5 - 1 Filling - Water quality for the heating system Avoid using hard water, which may scale the boiler. If TH or total hardness is above the French 25°, the boiler should be filled with softened water. - Filling the boiler and heating system While filling, which must be done slowly, ensure that the stop valves are open and that the mixing valve can be 1/ 2 open. The automatic drain cock plug, normally fitted on the boiler outlet, must remain untightened in order to achieve continuous draining during filling-up. Drain all high points of heating system and close the various draini

  • Chappee NXR3, 20Ref. : CH - 1249 - A - 2 PRINTED AT SOISSONS FACTORY - FRANCE 157, Avenue Charles Floquet 93158 Le Blanc-Mesnil - Cedex Téléphone : + 33 (0)1 45 91 56 00 Télécopie : + 33 (0)1 45 91 59 50 www.chappee.com S A au capital de 43 214 640 € RCS Bobigny B 602 041 675 A.P.E 282 D

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