andrews OFS108 Installation Manual, Operation And Service Manual Download Page 33

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PARTS LIST AND ILLUSTRATIONS

SECTION 8

BURNER
SPARES
BTL 4
OFS 29

Ref.

Part No.

Description

Qty.

E676

Blast Tube

E679

Brake Plate

E683

Electrode

E685

H.T. Cable

E687

Fan

E689

Photocell

E691

Transformer

E694

Transformer Cable

E696

Control Box

A10

E699

Motor

A11

E702

Pump

A12

E703

Nozzle - Kerosene - 0.85 x 80’s

A13

E607

Nozzle - Gas Oil - 0.60 x 80’s

A10

A11

A12

A13

Summary of Contents for OFS108

Page 1: ...leaner future Oil Fired Installation Guide Operation and Service Manual This manual must be kept with the appliance October 2010 Part No E524 Oil Fired Storage Water Heaters MODELS OFS25 OFS29 OFS63 O...

Page 2: ...ews Water Heater must be carried out by properly qualified personnel and therefore no liability can be accepted for any damage or malfunction caused as a result of intervention by unauthorised personn...

Page 3: ...tion Adjustment 20 Air Adjustment 21 Pump Adjustment 21 Instructing the Users 22 Users Safety Guide 22 SECTION 5 OPERATION 23 SECTION 6 SERVICING Introduction 24 Pre Service Operations 24 Burner Assem...

Page 4: ...ied out by properly qualified personnel The heater s must be installed in accordance with the following requirements The current BUILDING REGULATIONS The Water Supply WATER FITTINGS REGULATIONS 1999 A...

Page 5: ...ineers CIBSE TM13 All Codes of Practice draw attention to the design and operation of water systems with reference to avoidance of factors that favour colonisation by Legionellae bacteria These factor...

Page 6: ...4 BTL6 BTL10 BTL10 BTL20 Elec Data V 220 240 220 240 220 240 220 240 220 240 220 240 Frequency Hz 50 50 50 50 50 50 Power Cons Watt 110 110 110 110 110 185 Start Current Amp 2 2 2 2 2 2 2 2 2 2 2 0 Ru...

Page 7: ...et Rear BSP 1 5 1 5 2 2 Drain Port BSP 0 75 0 75 0 75 0 75 0 75 0 75 Max Work Press PSI 150 150 150 150 150 150 Max Work Press Bar 10 3 10 3 10 3 10 3 10 3 10 3 Max Test Press PSI 300 300 300 300 300...

Page 8: ...sy access to the burner Service clearance above all the heaters except heater models OFS25 should be 1270mm for removal of the flue baffle Heater model OFS25 flue baffle is hinged for low ceiling remo...

Page 9: ...the diagram below shows The pump has been rotated thro 180o so that the solenoid is positioned above the vertical to ensure correct operation The burner is fitted to the heater in the same way as hea...

Page 10: ...fuel A draught stabiliser is fitted to ensure burner flame stability If a common flue header is to be used see page 10 Notes 1 Draught stabiliser to be fitted to appliance see page 9 2 Male flue spigo...

Page 11: ...ue kit 8 C916 OFS63 1739mm OFS90 1739mm OFS108 2307mm OFS163 2307mm Tee with draught stabiliser fitted Spigot Adaptor Heater Outlet Spigot Crimped Adaptor The flue should provide a negative pressure a...

Page 12: ...for further information 2 Each heater shall be fitted with draught stabiliser and shall have its own flue pipe to the flue header 3 The entry into the flue header shall be inclined towards the directi...

Page 13: ...gh level 550mm2 per kW of appliance rating over 5kW Draught Stabilisers When an appliance with draught stabiliser is fitted in a room add 550mm2 per kW to the free air of the combustion air inlet When...

Page 14: ...itional CorrexTM BEMS version is available which provides a remote warning signal These anodes are available as an optional extra on all Andrews Water Heaters In hard water areas scale formation can o...

Page 15: ...ld Inlet Connection The heater is fitted with the Hydrojet Total Performance System incorporated in the cold inlet dip tube The tube is designed to increase turbulence and reduce sediment build up red...

Page 16: ...orities The cold water inlet and hot water outlet connection nipples are identified in Fig 5 Connect the cold water feed and hot water outlet to these nipples with union adaptors for ease of servicing...

Page 17: ...Hot Outlet OFS63 OFS90 OFS108 OFS163 Drain Secondary Return Tapping Front Rear Entry Models OFS63 OFS90 OFS108 OFS163 Optional Rear Cold Inlet Hot Outlet OFS63 OFS90 OFS108 OFS163 T P Valve Tapping C...

Page 18: ...ilable as an optional extra Item C5 must be fitted into C6 and fitted on the hot water outlet nipple located at the rear of heater models OFS108 OFS163 When assembling items C1 and C2 ensure that the...

Page 19: ...ons 1991 Approved Document G3 All fittings and materials must be suitable for use with drinking water and listed in the current Water Research Centre Materials and Fittings Directory Installation of u...

Page 20: ...and to any local regulations that may apply The heaters are designed to run off 220 240V 1 Ph 50 Hz supply and the fuse rating is 5 Amp See pages 4 5 The method of connection to the mains electricity...

Page 21: ...25m Internal diameter of pipe H Total meters meters i 10mm i 12mm 0 5 26 54 1 24 47 1 5 18 38 2 14 30 2 5 10 23 3 6 15 3 5 7 A fire valve and filter must be fitted in the fuel supply to the burner No...

Page 22: ...mbustion device start by increasing the air volume When the burner starts it is burning with excess air and smoke number 0 Reduce the air volume until soot occurs and increase again to reach a combust...

Page 23: ...ed and set correctly to suit the fuel type being used See table below Andrews Model No OFS25 OFS29 OFS63 OFS90 OFS108 OFS163 Smoke No 0 0 0 0 0 0 Flue Gas Temp C 380 380 260 260 260 260 CO2 11 5 11 5...

Page 24: ...ions necessary to prevent damage to the heater and systems in the event of the system remaining inoperative during frost conditions Advise the user or purchaser that for continued efficient and safe o...

Page 25: ...er is lit This is normal and will disappear when the heater warms up The thermostats fitted to heater models OFS25 OFS29 OFS63 OFS90 have a built in high limit thermostats In the case of dangerous wat...

Page 26: ...off the hot water outlet connection valve and secondary return valve 5 Drain down using the drain valve on the heater The burner should be checked every 6 months and if necessary cleaned as follows 1...

Page 27: ...be replaced if at any point it s length the diameter is reduced to half or less of original Particular attention should be paid to the ends 3 If the anode is encrusted with limescale it should be eit...

Page 28: ...ATURE OF THE DESCALING FLUID ITS ESSENTIAL THAT SUITABLE PROTECTIVE CLOTHING EQUIPMENT IS USED AND ADEQUATE VENTILATION IS AVAILABLE WHEN DESCALING IT IS IMPORTANT TO FOLLOW DESCALING MANUFACTURERS IN...

Page 29: ...from control box f Check for blocked nozzle g Check fuel in tank a Check electrode adjustment b Check for dirty or cracked electrodes c Check HT leads and connections d Check electrical input to tran...

Page 30: ...7 Cold Inlet Dip Tube 1 A2 E708 Hot Outlet Nipple Anode 1 A3 E709 Flue Baffle Hinged 1 A4 C333 Articulated Service Anode 1 A5 C381 Drain Valve 1 A6 C103 Drain Valve Socket 1 A7 C247 Drain Valve Nipple...

Page 31: ...E679 Brake Plate 1 A3 E683 Electrode 2 A4 E685 H T Cable 2 A5 E687 Fan 1 A6 E689 Photocell 1 A7 E691 Transformer 1 A8 E694 Transformer Cable 1 A9 E696 Control Box 1 A10 E699 Motor 1 A11 E702 Pump 1 A...

Page 32: ...10 Cold Inlet Dip Tube 1 A2 E711 Hot Outlet Nipple Anode 1 A3 E712 Flue Baffle Hinged 1 A4 C333 Articulated Service Anode 1 A5 C381 Drain Valve 1 A6 C103 Drain Valve Socket 1 A7 C247 Drain Valve Nippl...

Page 33: ...2 E679 Brake Plate 1 A3 E683 Electrode 2 A4 E685 H T Cable 2 A5 E687 Fan 1 A6 E689 Photocell 1 A7 E691 Transformer 1 A8 E694 Transformer Cable 1 A9 E696 Control Box 1 A10 E699 Motor 1 A11 E702 Pump 1...

Page 34: ...ty A1 C333 Articulated Service Anode 3 A2 C534 Hot Outlet Nipple 1 5 BSP 3 A3 E050 Hydrojet Hot Outlet Cold Inlet Nipple 1 5 BSP 1 A4 E713 Flue Baffle 11 A5 C299 Cleanout Pad Seal 1 A6 C381 Drain Valv...

Page 35: ...E680 Brake Plate 1 A3 E683 Electrode 2 A4 E685 H T Cable 2 A5 E687 Fan 1 A6 E689 Photocell 1 A7 E691 Transformer 1 A8 E694 Transformer Cable 1 A9 E696 Control Box 1 A10 E699 Motor 1 A11 E702 Pump 1 A...

Page 36: ...ty A1 C333 Articulated Service Anode 3 A2 C534 Hot Outlet Nipple 1 5 BSP 3 A3 E050 Hydrojet Hot Outlet Cold Inlet Nipple 1 5 BSP 1 A4 E713 Flue Baffle 11 A5 C299 Cleanout Pad Seal 1 A6 C381 Drain Valv...

Page 37: ...E687 Fan 1 A3 E681 Brake Plate 1 A4 E685 H T Cable 2 A5 E683 Electrode 2 A6 E689 Photocell 1 A7 E692 Transformer 1 A8 E694 Transformer Cable 1 A9 E697 Control Box 1 A10 E700 Motor 1 A11 E702 Pump 1 A...

Page 38: ...be 1 A2 C534 Hot Outlet Nipple 1 5 BSP 2 A3 E050 Hydrojet Hot Outlet Cold Inlet Nipple 1 5 BSP 1 A4 C333 Articulated Service Anode 4 A5 E715 Flue Baffle 12 A6 E716 Cleanout Pad Seal 1 A7 C381 Drain Va...

Page 39: ...2 E687 Fan 1 A3 E681 Brake Plate 1 A4 E685 H T Cable 2 A5 E683 Electrode 2 A6 E689 Photocell 1 A7 E692 Transformer 1 A8 E694 Transformer Cable 1 A9 E697 Control Box 1 A10 E700 Motor 1 A11 E702 Pump 1...

Page 40: ...Service Anode 4 A2 C534 Hot Outlet Cold Inlet Nipple 1 5 BSP 1 A3 E050 Hydrojet Cold Inlet Nipple 1 5 BSP 1 A4 E717 Flue Baffle 20 A5 C299 Cleanout Pad Seal 1 A6 C381 Drain Valve 1 A7 C103 Drain Valv...

Page 41: ...2 E688 Fan 1 A3 E682 Brake Plate 1 A4 E686 H T Cable 2 A5 E684 Electrode 2 A6 E690 Photocell 1 A7 E693 Transformer 1 A8 E695 Transformer Cable 1 A9 E698 Control Box 1 A10 E701 Motor 1 A11 E702 Pump 1...

Page 42: ...Kit Complete 1 C1 C780 Pressure Reducing Valve Strainer 1 C2 C781 Check Valve Expansion Valve 1 C3 C782 Expansion Vessel 1 C4 E462 Temperature Pressure Relief Valve 1 C5 C783 Tundish 1 C6 C772 Adaptor...

Page 43: ...ed Systems Kit Complete 1 C1 C784 Pressure Reducing Valve Strainer 1 C2 C785 Check Valve 1 C3 C782 Expansion Vessel 1 C4 C380 Temperature Pressure Relief Valve 1 C5 C384 Tundish 1 C6 C786 Expansion Va...

Page 44: ...Complete 1 C1 C784 Combined Reducing Valve Strainer 1 C2 C785 Check Valve 1 C3 C786 Expansion Valve 1 C4 C782 Expansion Vessel 25 Litre 1 C5 E675 Temperature Pressure Relief Valve 2 1 C6 C908 2 Square...

Page 45: ...xi Commercial Division Wood Lane Erdington Birmingham B24 9QP Email andrews baxicommercialdivision com www andrewswaterheaters co uk Publication Date JAN2012 Sales 0845 070 1056 Technical 0845 070 105...

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