Glow-worm swift flow 75 Installation Instructions Manual Download

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221129A.05.97

To b e l e f t w i t h t h e u s e r

Fanned Flue Combination Boiler

This is a Cat I

Appliance

Hepworth Heating Ltd.,

Nottingham Road, Belper, Derbyshire. DE56 1JT

General/Sales enquiries:

Tel: (01773) 824141 Fax: (01773) 820569

One Contact Total Service

Customer Services:

Tel: (01773) 828100

Fax: (01773) 828070

G.C. No. 47 313 14 Honeywell
G.C. No. 47 313 15 SIT

Installation Instructions

3892

Summary of Contents for swift flow 75

Page 1: ...I2H Appliance Hepworth Heating Ltd Nottingham Road Belper Derbyshire DE56 1JT General Sales enquiries Tel 01773 824141 Fax 01773 820569 One Contact Total Service Customer Services Tel 01773 828100 Fax...

Page 2: ...E Diagram 1 2 C H MAX D H W MAX MIN NOMINAL kW HEAT INPUT Btu h NOMINAL kW HEAT OUTPUT Btu h BURNER mbar PRESSURE in wg APPROX m3 h GAS RATE ft3 h TABLE 1 18 2 62 030 27 5 93 750 10 6 36 167 16 1 55 0...

Page 3: ...n voltage limits 3 Directive 89 336 EEC on the approximation of the Laws of the Member States relating to electromagnetic compatibility This boiler will be fitted with either a Honeywell or SIT Gas Va...

Page 4: ...be used provided they are not used in a room containing a bath or shower The mains supply cable and other cables connected to the boiler must be the PVC flexible type of at least 0 75mm2 24 0 20mm 2 1...

Page 5: ...ssible directions Rearward left or right The standard flue is able to provide the duct length range shown in diagram 3 1 for a rear flue or diagram 3 2 for a side flue If a longer flue duct is require...

Page 6: ...38130 2 off 1 off 1 off MAX FLUE LENGTH X Y Z 600mm Diagram 3 5 230 MIN 194 MIN Part No 448468 1 off Part No 448491 FLUE KIT 1m 1 off Part No 448490 FLUE BEND KIT FLUE KIT 2m ELBOW TERMINAL PACK Part...

Page 7: ...minal or the terminal could be subject to damage If a terminal guard is required it must be positioned to provide a minimum of 50mm clearance from any part of the terminal and be central over the term...

Page 8: ...FERENTIAL AT VARIOUS SYSTEM HEATING LOADS M 4 H e a t i n g S y s t e m Diagram 4 1 Diagram 4 1A 5947 5948 GRUNDFOS WILO AVAILABLE PUMP HEAD SYSTEM DIFFERENTIAL TEMPERATURE SYSTEM HEATING LOAD 0 5 10...

Page 9: ...m the required system differential temperature axis to intersect the curve In the example 11o C 19 8o F has been chosen shown At the point of intersection draw a vertical line to cross the pump curve...

Page 10: ...imum The bypass must have a lockable valve B in diagram 4 2 incorporated in a position so that inadvertent closure or unauthorised interference is not possible The bypass MUST be fitted before any sys...

Page 11: ...ler whether or not adding an inhibitor 4 11 Draining A draining tap must be provided at the lowest points of the system which will allow the entire system to be drained An additional draining tap MUST...

Page 12: ...e diagram 6 1 Remove the two screws securing the outer case and then lift it at the top and pull it forwards and off Remove the cover of the inner case secured with four screws see diagram 6 2 Disconn...

Page 13: ...ternal corner where the flue is required to exit to outside Mark the position of the circular hole on the flue exit wall using the dimensions given in diagram 6 5 From the flue position marks check th...

Page 14: ...iagram 3 3 for a 1 2 or 3metre flue system For a side flue measure the distance from the outside wall face to the side of the boiler mounting frame Check that the flue length will be suitable see diag...

Page 15: ...ect distance from the outside wall face see diagram 7 1 and appropriate diagram 7 2 or 7 3 Drill a hole diameter as shown in diagram 7 4 in each side of the air duct through the holes in the flue elbo...

Page 16: ...iler mounting frame will clear the expansion vessels If necessary temporarily fit the boiler refer to Section 10 1 Mounting the Boiler Flush out the domestic water and heating system before connecting...

Page 17: ...ON It is ESSENTIAL to make sure that the polarity is correct 9 2 Heating System Controls CAUTION To prevent an induced current from switching the central heating on when not required it is important t...

Page 18: ...STAT 3 L N 2 1 3 AMP FUSE L N 240V 50Hz PERMANENT MAINS SUPPLY POTENTIAL FREE ROOM STAT NO FROST STAT TO BOILER RED LINK REMOVE WHEN CONNECTING SYSTEM CONTROLS 5 POLE CONNECTOR ON MOUNTING FRAME POTE...

Page 19: ...e of the base using one of the securing screws see diagram 10 1 Fit the short discharge pipe to the safety valve using the nut and olive supplied loose see diagram 10 2 Extend the discharge pipe using...

Page 20: ...de Fit the flue elbow to the top of the boiler see diagram 10 6 using the four screws supplied loose To assist with the location of the flue elbow into the fan outlet loosen the two wing nuts on the f...

Page 21: ...illing the Heating System It is essential that a bypass is fitted in all installations 22mm o d minimum The bypass must have a lockable valves B in diagram 4 2 incorporated in a position so that inadv...

Page 22: ...ensure that water flows through all parts of the boiler and air is not trapped in the boiler internal bypass Pressurise the system until the pressure is 1 5bar 21 5lbf in2 Check the heating system and...

Page 23: ...the electrical supply the pilot flame may go out If this should happen wait four minutes then relight the pilot burner following the above lighting instructions but with the electrical supply connecte...

Page 24: ...he maximum pressure cannot be obtained check that the gas supply of adequate size refer to Section 1 8 11 5 Burner Pressure Hot Water SIT The burner pressure is factory preset and no adjustment should...

Page 25: ...tor cable and refit the cap Isolate the boiler from the electrical supply then reconnect the modulator cable and refit the cap 11 6 Gas Rate Modulation SIT The minimum gas rate is factory preset and n...

Page 26: ...omponents SIT only Refit the piezo bracket 11 9 Temperature Settings The domestic hot water outlet and central heating flow temperatures are factory preset and sealed therefore cannot be adjusted The...

Page 27: ...ight hand side of the clock timer Fit the outer case secure with the screws see diagram 6 1 Set the boiler and any remote heating control to the desired settings then close the door 11 12 Instruct the...

Page 28: ...C FIBRE GLASSYARN MINERAL WOOL These can cause irritation to skin eyes and the respiratory tract If you have a history of skin complaint you may be susceptible to irritation High dust levels are usual...

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