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NEO

Water

Heater

September

2015

Parts List

Part No.

DESCRIPTION

QTY

ITEM

G068

Temp & Pressure Relief Valve

G072

User LCD Control

5140814

Switch ON/OFF

G175

Cylinder Inspection Hatch

G075

High Limit Sensor

G076

Thermostat Pocket

G176

Complete Wiring Loom SC25/200

G177

Complete Wiring Loom SC25/300

G077

Control Sensor

5140173

Heat Exchanger & Seals (904L)

G065

Burner Insulation

G063

Electrode Gasket

G064

Electrode

G061

Gas Valve/Gas Cock O-Ring Seal

G074

Flue Thermostat

G066

Burner

5139782

Burner/Casting Rubber Ring Seal

G070

Fan/Burner Cork Gasket

G062

Gas Valve

G073

Burner Control Box

5140812

Gas Valve/Venturi Rubber Seal

E211

Condensate Trap

G071

Fan

G069

Venturi c/w Cork Gasket

G067

Ignition Lead

G192

O-Ring Sump Inner 113mm

G193

O-Ring Sump Outer 196mm

G194

Gasket Tank/Heat Exchanger

G195

Combustion Plastic Plug

Содержание NEOflo SC25/200

Страница 1: ...efore commencing installation and leave this manual with the customer for future reference INSTALLATION OPERATION AND MAINTENANCE MANUAL NEOflo High Efficiency Condensing Stainless Steel Storage Water...

Страница 2: ...ue types permitted B13 C13 C33 Nominal Net Heat Input 23 7 kW Connection 80 mm Gross Heat Input 26 3 kW FEL Concentric 20 m Nominal Net Output 25 kW FEL Twin Pipe 40 m Gas Consumption 2 4 m h Max Flue...

Страница 3: ...ible for their safety Children should be supervised to ensure they do not play with the appliance These instructions apply in the UK and must be followed except for any statutory obligation All instal...

Страница 4: ...Figures Tables Page Fig 1 1 User Control 3 Fig 2 1 General Dimensions 7 Fig 3 1 Open Vent Example 9 Fig 3 2 Re Circulation Design 9 Fig 3 3 De Stratification Design 9 Fig 4 1 Unvented Design 11 Fig 5...

Страница 5: ...isplay or the Reset button on the Burner Control behind the lower front panel If this requires repeated use there is a fault that will require the attention of a qualified Engineer NEOflo USER S OPERA...

Страница 6: ...ramme The period between these runs and the temperature can be se lected by the commissioning engineer Frost Protection This Heater is provided with frost protection and will run if the temperature of...

Страница 7: ...2 Specification for installation and maintenance of ventilation provision for gas appliances BS 5546 Specification for installation of gas hot water sup plies for domestic purposes BS 6891 Installatio...

Страница 8: ...higher temperature as in the rest of the heater Based on data obtained through experiment this Water Heater can be described as Legionella resistant as it is considered unlikely that at the temperatu...

Страница 9: ...15 GENERAL DIMENSIONS Fig 2 1 Model Width Depth Height A B C D E F G 25 200 600 600 1570 130 300 300 226 236 240 226 25 300 730 730 1545 194 365 365 290 233 237 290 Service Clearance all models mm Lef...

Страница 10: ...above This problem can be minimised by reducing the water temperature in the heater and by fitting suitable water pre treatment equipment Andrews strongly recommend water pre treat ment is fitted the...

Страница 11: ...pansion Vessel 4 Pressure Relief Valve 5 Temp Pressure Relief Valve 6 Drain Cock 1 2 3 4 5 6 Outlets Pump Drain Pump NEOflo DE STRATIFICATION DESIGN NEOflo SECONDARY RETURN DESIGN NEOflo OPEN VENT EXA...

Страница 12: ...port is not used it should be sealed with the blanking plug supplied If higher flow rates are required for the cold water services a suitable tee fitting should be fitted to the pipework upstream of...

Страница 13: ...E DISPOSAL METHODS NEOflo UNVENTED SYSTEM DESIGN Fig 4 1 Fig 5 2 Fig 5 1 Fig 5 3 Fig 5 4 INTERNAL SINK There is no requirement for an additional trap or air break when connecting drain pipework downst...

Страница 14: ...ve already been taken into account Referring to the diagrams Fig 6 2 6 3 6 4 6 5 select a suitable flue system for the particular installation require ment and then calculate the FEL of the system thi...

Страница 15: ...uard 5136900 Flat Roof Plate E065 Angle Roof Plate E066 Terminal Guard E105 Condensate Bottle Trap E211 Twin to Concentic Kit 200 300 G101 NB Over 1 5M use flue Condensate Trap Kit 5136153 Debris Guar...

Страница 16: ...ion Horizontal Terminal 80mm Flue duct connection HORIZONTAL FLUE EXAMPLE Horizontal Terminal 90 deg x 80mm bend Concentric 90 deg bend Twin Adapter 80mm Air duct connection 125mm length 80mm Air duct...

Страница 17: ...September 2015 Fig 6 4 VERTICAL FLUE EXAMPLE 80mm Air duct connection Concentric 90 deg bend Vertical Terminal Twin Adapter 80mm Air duct extension 90 deg x 80mm bend FLUE TERMINAL DIMENSIONS Clip pip...

Страница 18: ...tc 300 D Below a gutter or sanitary pipework 75 E Below the eaves 200 F Below a balcony or carport roof 200 G From vertical drain soil pipework 150 H From an internal or external corner 300 I Above gr...

Страница 19: ...let may be needed from outside to counter the effect of the fan Room Sealed Type C Where the appliance is installed in a ROOM or COM PARTMENT no ventilation is required GAS SUPPLY The installation of...

Страница 20: ...y as detailed above Access to the terminal connections Fig 7 1 Remove the Lower Front Panel the Connection Box is facing you on the left hand side The Connection Box can be completely removed by loose...

Страница 21: ...t N N X3 18 X3 15 X3 6 ERROR LED X3 7 HIGH LIMIT SENSOR 2 X3 9 HIGH LIMIT SENSOR 1 X3 17 DHW SETPOINT GND X201 1 X201 3 X201 4 X201 5 X201 2 M GND 12V RPM M N X2 1 X2 4 X2 6 X2 3 X2 5 24Vdc Gnd Open T...

Страница 22: ...has ignited a flame is shown on the display Set the Tank Temperature In standby the display shows the temperature of the wa ter in the tank Press the or button and the setpoint temperature is shown an...

Страница 23: ...y short circuit polarity and resistance to earth are made All work car ried out should follow guidelines laid down by the I E E OPERATION The Heater requires Mains on both the Live L and Remote Enable...

Страница 24: ...n the display Press Service B to step through the information Press Buttons or to alter the setting The Display will step out of this mode if untouched for 60 seconds or the Reset button is pressed De...

Страница 25: ...r and replace if damaged The burner should withdraw with the spacer and expose the inside of the combustion chamber Note The burner is marked with a line which should be used to position it It should...

Страница 26: ...ull off the electrical connector Undo from the flue connection Replacement is the reverse IGNITION CONTROL Fig 9 4 Remove the lower front panel Remove the cover over the ignition control connec tions...

Страница 27: ...d check for gas leaks after the gas valve After five minutes check the rate and combustion is correct to the data table inside front cover Adjust using the throttle screw on the gas valve clockwise to...

Страница 28: ...r Heater 26 September 2015 Fig 9 3 Display Panel Removable Cover To access Control Sensor Control Sensor Temperature Pres sure Relief Valve Door High Limit Sensor Tank Inspection Hatch HEATER COMPONEN...

Страница 29: ...Test Point Flue Thermostat Condensate Trap Fan Venturi Air Duct Ignition Lead Spark Sense Electrode Gas Cock Ignition Control Cylinder Drain Pipe 22mm Condensate Pipe 41mm Wiring Connection Box Flue...

Страница 30: ...10 G063 Electrode Gasket 1 11 G064 Electrode 1 12 G061 Gas Valve Gas Cock O Ring Seal 1 13 G074 Flue Thermostat 1 14 G066 Burner 1 15 5139782 Burner Casting Rubber Ring Seal 1 16 G070 Fan Burner Cork...

Страница 31: ...y and annual electricity consumption Thermostat temperature setting C 60 60 Sound power level LWA indoors dB 46 46 Ability to operate only in off peak hours No No Enabled smart control settings Specif...

Страница 32: ...Published date November 2015...

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andrews NEOflo SC25/200, Инструкция по установке, эксплуатации и обслуживанию

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