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F3

F4

F1

F7

F2

F5

F6

3.8.4 Unvented

Systems

Kit

Fig. 8

3.8.5 Unvented Systems Kit - Parts List

Ref.

Part No.

Description

Qty

7703928

Unvented Systems Kit Complete

1

Comprises

F1&2

7705036

Pressure Reducing /Check/Exapnsion Valve

1

F3

7705037

Expansion Vessel 24L

1

F4

7705038

T/P Relief Valve 7 bar/95ºC x 3/4"

1

F6

7705039

Tundish

1

F5

7705040

Adaptor 3/4"

1

F7

7705041

Hose Assy

1

18

Issue 4 21042018

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Содержание RSC 18/270

Страница 1: ...ERVICE MANUAL Please read and understand these instructions before commencing installation and leave this manual with the customer for future reference Andrews Builttoperform CLASSICflo Balanced range...

Страница 2: ...e on Andrews Water Heaters 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 unauthoris...

Страница 3: ...Safety Guide 22 5 Operation 23 5 1 Burner Assembly 23 5 2 Burner flame check 24 5 4 Temperature selection procedure 25 6 1 Introduction 30 6 2 Burner Assembly 32 6 3 Gas Control Valve 33 6 4 Magnesiu...

Страница 4: ...n installation testing and maintenance of services supplying water for domestic use within buildings and their curtilages This standard supersedes the following British Standards and Codes of Practice...

Страница 5: ...nd the Chartered Institute of Building Services Engineers CIBSE TM13 All Codes of Practice draw attention to the design and operation of water systems with reference to avoidance of factors that favou...

Страница 6: ...559 C mm 461 6 461 6 D mm 1961 2190 E mm 1226 1226 F mm 750 750 G mm 854 854 H mm 194 194 I mm 305 305 J mm 610 610 K mm The flue outlet can be installed in any configuration through 180 as long as p...

Страница 7: ...mpty kg 71 79 Weight Full kg 216 258 Shipping Weight kg 80 89 Storage Losses kWh l day N A N A Inlet Outlet Connections Inch BSP 3 4 3 4 Return Connection Inch BSP 3 4 3 4 Gas Connection Inch BSP 1 2...

Страница 8: ...8 Blank Page Issue 4 21042018...

Страница 9: ...embled installed or maintained Before any assembly installation or maintenance the installation and operation manual has to be read attentively and be followed CLASSICflo Balanced RSC 9 145 RSC 9 180...

Страница 10: ...installed must be flat level and of sufficient strength to withstand the weight of the heater when filled with water and should satisfy the requirements of the Local Authority Building Regulations Any...

Страница 11: ...e route of the flue is not critical with three installation options available See below for permissible flue lengths Where installation options 2 or 3 are used we recommend that the flue outlet can be...

Страница 12: ...wall plate and inner wall plate Fit flue outlet guard if required Fixings not supplied 6 Fit horizontal terminal D3 or make up lengths of flue required see page 11 into elbow D4 Each joint must be se...

Страница 13: ...must communicate with the same room or internal space or must both be on the same wall to outside air Where compartment air vents are open to a room or internal space the room or internal space must...

Страница 14: ...failure of either the inlet or extract fans NB The vapours given off by halogen based compounds can if drawn into the combustion air cause corrosion of the Storage Vessel and premature failure of the...

Страница 15: ...n alternative to the standard magnesium anodes These anodes do not need maintenance or replacement The potentiostat which regulates the current to the CorrexTM anode features an indicator light which...

Страница 16: ...line of the cistern All cisterns used should be to the relevant British Standard and the distance from the normal water line to the top of the cistern should be as laid down by the water authorities T...

Страница 17: ...ponents The Wall Mounting Kit is available as an optional extra Items D4 D6 must be fitted into the Temperature Relief port see Fig 6 When assembling items D1 and D2 care must be taken to ensure that...

Страница 18: ...art No Description Qty 7703928 Unvented Systems Kit Complete 1 Comprises F1 2 7705036 Pressure Reducing Check Exapnsion Valve 1 F3 7705037 Expansion Vessel 24L 1 F4 7705038 T P Relief Valve 7 bar 95 C...

Страница 19: ...local Gas Region It is recommended that a pressure test point is fitted on the input next to the gas supply valve 3 10 Electrical Supply The method of connection to the mains electricity supply should...

Страница 20: ...3 11 Wiring Diagram Fig 9 20 Issue 4 21042018...

Страница 21: ...t light an error code will be displayed on control display 7 Set the main burner pressure Refer to section 5 1 1 and technical data table on page 8 and complete gas rate check 8 Carry out combustion a...

Страница 22: ...nburnt gas to disperse Ventilate the area if possible Danger FOR YOUR SAFETY IF YOU SMELL GAS 1 Turn off gas supply and open windows 2 Do not operate electrical switches 3 Extinguish any naked flames...

Страница 23: ...ome necessary to completely drain the heater close the cold water inlet valve open a hot water tap to allow air to enter the system Fit a suitable hose to the drain cock and open Whenever the Heater i...

Страница 24: ...joint is found not sealed 5 3 Control sequence of operation 5 3 1 Start up sequence Upon powering up the control checks for the presence of the resistive plug If the resistance is in the expected ran...

Страница 25: ...or the definition of the error code and call your plumbing professional or service agent to service the water heater Do not try to reset the water heater without having a qualified service person to d...

Страница 26: ...ase Setpoint temperature 1 Depress and hold Temperature Up button untildesired setpoint temperature appears in the display Fig 13 Setpoint flashes 2 Setpoint indicator begins flashing in the display a...

Страница 27: ...display after pressing Temperature Down button Fig 17 Fig 17 Fig 18 Setpoint flashes for 10 seconds Press SET button for setting to take effect immediately 3 Press SET button for new setting to take...

Страница 28: ...displayed Fig 19 Fig 19 2 Press SET button to change temperature format Symbol F C will flash Fig 20 F C flashes Fig 20 Changes to C 3a Press Temperature Up button to change temperature format to C F...

Страница 29: ...It is recommended that all service work be performed by Andrews Water Heaters Service Team If the water heater is to remain idle for 30 days or more or is subjected to freezing temperatures while shu...

Страница 30: ...rate this water heater if any part is found damaged or if any joint is found not sealed The following maintenance should be performed by a qualified service technician at the minimum periodic interval...

Страница 31: ...have been installed to extend tank life These anode rods should be inspected periodically every 2 years and replaced when necessary to prolong tank life Water conditions in your area will influence t...

Страница 32: ...the pilot assembly to the main burner supply tube 5 Remove the gland nut connecting the pilot tube to the pilot assembly Withdraw the pilot tube and remove the pilot restrictor from the end Clean the...

Страница 33: ...the inner door by sliding to the side on the 20 190 model or by removing two screws on the 20 190 model 2 Disconnect burner gas tube pilot tube and blue ignition lead at gas control 3 Remove burner a...

Страница 34: ...ance is required 6 5 Descaling Information When descaling the storage water heater your attention is drawn to the following guidelines Caution Due to the corrosive nature of descaling fluid it is esse...

Страница 35: ...Temperature Up buttons togetherand hold for 3 seconds until Max Setpoint is shown in the display Fig 26 Note 30 Seconds after the last button press the display will automatically return to the User M...

Страница 36: ...Reset This is only shown if there is an operating error in the User Mode Fig 28 1 Max Setpoint Display Change Fig 29 Fig 29 2 Water Temperature Average Displays average if there are two sensors sensor...

Страница 37: ...two sensors Fig 32 Fig 32 3 Flame Current of Pilot Flame Sensor Displays only in the Heating Cycle Fig 33 Fig 33 4 Setpoint Display Change Fig 34 Fig 34 5 F C Display Change Fig 35 Fig 35 idle A Flam...

Страница 38: ...tware Version Display only Fig 37 Fig 37 No current error codes 8 Error Code History Displays if there are present error codes or up to 10 previous error codes Water Heater Display will show if there...

Страница 39: ...t Note The maximum setpoint is approximately 82C Fig 41 Fig 41 Max Setpoint stops flashing 4 Press Set button to confirm new Max Setpoint value and stop setting mode Fig 42 Warning Setting the water t...

Страница 40: ...perature sensors in the tank this will be the average reading between the two sensors For water heaters using a single sensor this is the reading for the sensor Fig 44 Fig 44 Fig 45 2 For water heater...

Страница 41: ...button until Setpoint is shown in the water heater display Fig 48 Fig 48 Setpoint flashes 2 Press the Set button to enter the setting mode Setpoint will flash in the water heater display Fig 49 Fig 49...

Страница 42: ...the water heater display press the Set button to confirm the new setpoint Setpoint stops flashing in the water heater display Fig 52 Fig 52 6 6 6 To display and change temperature format F C 1 While i...

Страница 43: ...rature Down button to change temperature format to F Fig 56 Fig 56 4 Press Set button to confirm F or C format F C will stop flashing Fig 57 F C symbol stops flashing Fig 57 5 Pressing Select button w...

Страница 44: ...e control will also go through 3 attempts to relight the burners every hour in the soft lockout condition 6 7 2 Resetting error codes in hard lockout condition All other error codes will put the water...

Страница 45: ...e is not a current error code The Water Heater Display will provide up to 10 previous error codes The oldest error code will be stored in code index 1 and the most recent in code index 10 if there are...

Страница 46: ...to view the error code number if any for that index number Continue on to index 1 the oldest error code index The water heater display will store up to 10 error codes with the oldest code starting in...

Страница 47: ...tion cycle Make sure wire positions on the wire harness are correct If gas valve is stuck open replace 23 Flame detected before ignition Check to make sure gas valve has closed No voltage should be pr...

Страница 48: ...ing label Is pilot electrode sparking Check gas valve wire harness for broken wires or shorts If 24 volts is present between PV and PV MV terminals at the gas valve replace gas valve Check for voltage...

Страница 49: ...fnecessary Main gas valve not closing Clean or replace WATER TEMPERATURE TOO LOW a b c Reset thermostat to higher temperature Check gas pressures at burner and at gas inlet to heater Thermostat faulty...

Страница 50: ...8 Parts List 8 1 General Assembly 50 Issue 4 21042018...

Страница 51: ...51 Issue 4 21042018...

Страница 52: ...8 2 Control Box Assembly 52 Issue 4 21042018...

Страница 53: ...22 7704038 Right Side Inner Door Assy 1 23 7704039 Thermal Switch 1 24 7703902 Screw 20 x 3 8 PHCR 2 25 7704040 Thermal Switch Harness 1 26 7704041 Gas BN Burner 1 27 7704042 Main Burner Orifice 1 28...

Страница 54: ...1 D7 E078 Flue Restrictor 50mm 1 D7 E107 Flue Restrictor 55mm 1 D8 E065 Roof Plate 1 D9 E066 Roof Plate Angled 1 D10 E105 Horizontal Flue Outlet Guard 1 Fittings Pack B167 Fittings Pack 1 C382AWH Gas...

Страница 55: ...arded along with normal household waste and should be recycled where appropriate More than 90 of the materials that make up the appliance are recyclable Copyright All technical and technological infor...

Страница 56: ...ANUAL April 2018 Customer support Monday Friday 8am 5pm Sales 0345 070 1055 Technical 03450701057 Website andrewswaterheaters co uk Twitter AndrewsWH ICOM Energy Association Andrews Builttoperform www...

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