Hamworthy Spetisbury Installation, Commisioning And Maintenance Instructions

Hamworthy Spetisbury Installation, Commisioning And Maintenance Instructions Manual pdf 21 page image

HAMWORTHY HEATING LTD15SPETISBURY 500001118/Ci. Fit thermostat pocket (18) in top and bottomof front section, and ¾" BSP drain plug or cock (notsupplied) to bottom of front section (See Fig. 14.3for fitting instruction).j. Fit heating flow pipe elbow (28) to top of rearsection, note correct orientation.Figure 10.11 – Outflow Pipework Orientationk. Fit water distribution tube (11), holesuppermost, into the return connection at bottom ofrear section. (Note: Not required on SP 110, 150and 220.l. On completion of assembly, the heatexchanger should be hydraulically pressure testedto 1.5 times the maximum system pressure for 30minutes (BS779 - 1989, Amendment 1 - 1993).10.4 Assembly of Boiler.Further to assembly of the sections, proceed asfollows (refer to Fig. 14.1):a. Locate and fit the flue collector box (23) to theupper part of the rear casting using the studs, nutsand gaskets (22) provided. The rear access doors(25,26) will need to be loosened to allow correctfitting of gaskets.b. On SP 110, SP 150 and SP 220 models,locate and fit the burner mounting plate (13)ensuring that the pads of insulation are packed intothe burner aperture and that the fibre board gasket(12) is in position. Carefully cut a hole through boththe fibre pads and board, large enough to accept theburner blast tube. Note! Burner mounting plate NOTrequired on SP 280 and SP 340 models.c. Locate the foil covered insulation wrap whichcomprises a front blanket, a rear blanket andlengths of straight wrap. Position the front and rearblankets on the boiler so that the cut outs align withthe appropriate items, i.e. burner mounting plate,thermostat pocket, flue collector and returnconnection. Mould the excess wrap backwardsaround the edges of the boiler sections and tape tosecure. Position the straight wraps over the boilerbody. Where more than one wrap is used, theyshould be overlapped so that the front and rearedges fall flush with the front and rear of the boiler.Secure wraps in position by using tape orstrapping and buckles. For further details, seeinstruction sheet packed with insulation.Note! The front and rear insulation pieces willneed to be removed for maintenance of the boiler.d. Using a combination of M10 x 35 hex headbolts, nuts and washers and existing tie rods fit 4off casing support brackets as shown below.e. On SP 110, SP 150 & SP 220 models locateburner onto mounting plate. On SP 280 and SP 340models locate burner directly on to boiler frontcasting.f. Complete all pipework connections and fuellines.g. Complete installation by fitting casing andsensors - refer to Section 10.5, 10.6, Fig. 10.13 to10.21 and Fig. 14.3.Figure 10.12 - Fitting Casing Support Brackets