andrews ECOflo EC230/600 Installation Manual, Operation And Maintenance Manual
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andrews ECOflo EC230/600 Installation Manual, Operation And Maintenance Manual

High efficiency condensing storage water heaters for natural gas and propane (lpg)
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See also: Installation and Servicing Manual , Manual
This manual must be kept with the appliance
Part No E864
ECOflo
Installation guide, operation
and maintenance manual
High Efficiency Condensing Storage Water
Heaters for Natural Gas and Propane (LPG)
EC230/600, EC230/700, EC230/960, EC380/740,
EC380/980, EC380/1220, EC380/1400, EC380/1900
LEC230/600, LEC230/700, LEC230/960, LEC380/740,
LEC380/980, LEC380/1220, LEC380/1400, LEC380/1900
Working towards
a cleaner future
January 2012

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Summary of Contents for andrews ECOflo EC230/600

  • Page 1 ECOflo Installation guide, operation and maintenance manual High Efficiency Condensing Storage Water Heaters for Natural Gas and Propane (LPG) EC230/600, EC230/700, EC230/960, EC380/740, EC380/980, EC380/1220, EC380/1400, EC380/1900 LEC230/600, LEC230/700, LEC230/960, LEC380/740, LEC380/980, LEC380/1220, LEC380/1400, LEC380/1900 Working towards a cleaner future...
  • Page 2 The attention of UK users is drawn to their responsibilities under the Health and Safety Regulations 1993. All installation and service 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 unauthorised personnel.

  • Page 3: Table Of Contents

    CONTENTS PAGE SECTION 1 GENERAL AND SAFETY INFORMATION General Information British Standards and Codes of Practice Health and Safety Regulations 1993 Effectiveness in Combating Legionella SECTION 2 TECHNICAL DETAILS Technical Data Dimensions and Clearances SECTION 3 INSTALLATION Introduction Location Features 9 –...

  • Page 4: General And Safety Information

    Additionally, installation should be performed in Terms: accordance with all relevant requirements of the Gas a. Andrews Water Heaters accepts no liability for any Supplier, Local Authority and recommendations of the damage resulting from failing to accurately follow the British Standards and Codes of Practice detailed below.

  • Page 5: Effectiveness In Combating Legionella

    These factors include stagnation, lukewarm conditions (20°C to 45°C) and the accumulation of debris, scale and corrosion in the base of tanks and calorifiers. Andrews Water Heaters have commissioned an independent evaluation of their products to investigate their resistance to build-up of Legionella bacteria.

  • Page 6: Technical Details

    SECTION 2 • TECHNICAL DETAILS TECHNICAL DETAILS Model Reference – Natural Gas EC230/600 EC230/700 EC230/960 EC380/740 EC380/980 EC380/1220 EC380/1400 EC380/1900 Natural gas, category I ²H Gas consumption G20 3.41m³/h 4.09m³/h 5.43m³/h 4.09m³/h 5.43m³/h 6.82m³/h 7.92m³/h 11.33m³/h Heat input gross 36.6 kW 43.9 kW...
  • Page 7 TECHNICAL DETAILS • SECTION 2 ECOFLO MODELS EC230/600, EC230/700, EC230/960 100 mm 500mm Clearance for clearance flue system Flue exhaust outlet " BSP Gas connection Combustion air inlet 450mm service clearance T&P Val v e connection ON/OFF Switch Thermostat knob "...

  • Page 8: Installation

    SECTION 3 • INSTALLATION INSTALLATION weight of the heater when filled with water, and should INTRODUCTION satisfy the requirements of the Local Authority & Building THE LAW REQUIRES THAT INSTALLATION Regulations. IS CARRIED OUT BY A PROPERLY QUALIFIED PERSON Any combustible material adjacent to the heater must be placed and shielded as to ensure that its temperature Installations must be carried out in accordance with Gas does not exceed 66°C (150°F).

  • Page 9: Features

    71°C. INSTALLATION Please contract Andrews Water Heaters (details listed on This water heater contains the following features: the Data Plate) if continued high limit switch operations occur.
  • Page 10 System – Cold inlet sediment reduction device made of switch. If this switch continues to trip, please contact stainless steel for increased durability. Helps prevent Andrews Water Heaters. sediment build up in tank. ACCESS LID Factory installed dielectric fittings – All heaters are Access for servicing the water heater from the top is easy.
  • Page 11 INSTALLATION • SECTION 3 The overall length is reduced if an elbow or condensate trap is fitted (see below). Determining required flue length – 1. Determine the total length of straight concentric flue pipe (in metres) required for the installation. 2.
  • Page 12 SECTION 3 • INSTALLATION IGNITION SYSTEM COMPONENTS 2nd Pass Flue Collector: At the top of the tank, the flue gases from the 4” flue tubes collect in a heavy gauge Fenwal 35-655305-121 Hot Surface Ignition Control, CE steel collector to redirect the flue gases down eight 2” listed.

  • Page 13: Unpacking

    1. All equipment is carefully manufactured, inspected and packed. LOCATION 2. Any claims for damage or shortage in shipment must be filed immediately with Andrews Water Heaters as KEEP APPLIANCE AREA CLEAR AND FREE OF detailed on the warranty card. COMBUSTIBLE MATERIALS, PETROL AND OTHER FLAMMABLE VAPOURS AND LIQUIDS.

  • Page 14: Fig. 1

    SECTION 3 • INSTALLATION TYPICAL PROPANE BULK STORAGE TANK INSTALLATION Gas cock BULK SUPPLY TANK Regulator set to give 37 mbar (14.86" wg) Gas emergencey propane control at entry Regulator normally fitted at 1" Heavy steel tank sleeved pipe through wall Steel liner sealed to pipe at inside end Fig.

  • Page 15: Gas Supply - Natural Gas

    35mbar/14.0 in wg. The inlet gas pressure must not exceed the maximum value. In some Andrews Water Heaters are unregulated and a second installations, a regulator sized for the input rating of the stage regulator must be installed to give an inlet pressure...

  • Page 16: Electrical Supply

    SECTION 3 • INSTALLATION ELECTRICAL SUPPLY PROPANE: 37mbar (14.86 in wg) External wiring to the water heater(s) must be installed in When using propane cylinders, connect a minimum accordance with current I.E.E. Regulations for the wiring number of 47kg cylinders, as listed below, together with a of buildings and to any Local Regulations that may apply.

  • Page 17: Wiring Diagram

    INSTALLATION • SECTION 3 Wiring diagram Powered anodes ON/OFF GN/Y Switch Correx powered 230V anode control T.B. T.B. Combustion blower GN/Y 230V Transformer GN/Y Igniter 230V Ground T.B. Flame sensor Igniter relay GN/Y Gas valve Blower relay T Stat High limit Y/BK Collector limit Blocked exhaust...
  • Page 18 SECTION 3 • INSTALLATION FLUE SYSTEMS Conventional Flue Option Andrews Water Heaters’ ECOflo is a Balanced Flue, Gas fresh air ducting Combustion via “T” piece Water Heater where all air for combustion is obtained (150mm) direct from the outside atmosphere and all flue gases are from outside, discharged to the outside atmosphere.
  • Page 19 INSTALLATION • SECTION 3 HORIZONTAL AND VERTICAL FLUE KITS INSTALLATION PROCEDURE 2. Determine if additional flue components are required for installation. Refer to the flue component information Determine location of flue exit. on pages 21 and 55 for available optional flue components.

  • Page 20: Ec230/600

    Roof flashing for pitched roof to suit 150mm (6in) dia flue size E208 Wall clamp 150mm (6in) dia. E209 Flue condense trap E210 Syphon E211 Condensate trap pipe kit to syphon E261 Model EC230/600 EC230/700 EC230/960 EC380/740 EC380/980 EC380/1220 EC380/1400 Flue size (concentric) 100/150 100/150 100/150...
  • Page 21 INSTALLATION • SECTION 3 ECOflo 380/1900 HORIZONTAL FITTINGS PACK – Part No: B292 Part No. Description E910 Concentric measure point E860 Exhaust outlet Tee E865 100mm concentric exhaust pipe E862 Air intake “T” piece E863 Condense syphon E236 Horizontal terminal 100/150 mm E205 90º...
  • Page 22 SECTION 3 • INSTALLATION ECOflo 230 & 380 LITRE FLUE SYSTEMS 2) Fit item E862 to the PVC air intake connection on appliance and ensure that the open end is at the top The ECOflo uses a concentric flue system,150mm of the tee piece.
  • Page 23 INSTALLATION • SECTION 3 ECOflo 230 & 380 VERTICAL/HORIZONTAL FLUE SYSTEMS Height of concentric section above heater 205mm Height of concentric sample point 115mm (+/– 5mm) Height of centre line of 90° bend 178mm (+/– 5mm) Total height to centre line of bend 500mm (+/–...
  • Page 24 SECTION 3 • INSTALLATION FLUE SYSTEMS Fig. 3 Terminal Positions with Minimum Distance Directly below an opening, air brick, opening window etc. Above an opening, air brick, opening window etc Horizontal to an opening, air brick, opening window etc. Below a gutter or sanitary pipework Below the eaves Below a balcony or carport roof Above ground, roof or balcony level...
  • Page 25 INSTALLATION • SECTION 3 FLUE SYSTEMS INSTALLING THE HORIZONTAL FLUE TERMINAL NOTE: The horizontal flue terminal supplied may be used b) Slide the flue terminal through the wall opening to the through outside walls up to 600mm (24in) thick. rib closest to the intake air openings of the terminal and even with the outside wall.

  • Page 26: Flue System

    SECTION 3 • INSTALLATION FLUE SYSTEMS INSTALLING THE VERTICAL FLUE INSTALLING FLUE PIPING SECTIONS TERMINAL FOR BOTH APPLICATIONS 2. Vertical Flue Terminal (Through the Roof) a) The coaxial flue pipe sections are designed to fit a) Determine the exact location where the roof flue tightly together and seal with the integral flue pipe seal terminal will exit the roof, ensuring the flue system and supplied pipe clamps.
  • Page 27 INSTALLATION • SECTION 3 Straight end Fig. 7 (ungasketed) Ribs locked beneath gasketed clamp Gasket end g) The last pipe section may be cut to fit the distance h) Carefully measure the length of straight flue pipe required to reach the water heater flue connections. needed, allowing for about 50mm (2in) insertion into If a flue condensate trap is specified, install the the elbow.

  • Page 28: Air Supply And Ventilation

    SECTION 3 • INSTALLATION AIR SUPPLY AND VENTILATION Consideration must be given to the position of the high CONCENTRIC FLUE SYSTEMS level ventilation opening. A high level vent must not be sited within 300mm measured vertically of the flue The following notes are intended to give guidance: terminal.

  • Page 29: Water Quality And Treatment

    When installing Andrews Water Heaters in hard water areas we would recommend that a water treatment specialist is consulted. Tank...

  • Page 30: Water Connectors

    SECTION 3 • INSTALLATION WATER CONNECTIONS Front Cold inlet / Front Hot outlet water VENTED SYSTEMS connections The water heater can be fed from a cold water feed Assemble onto the 1½” hot water outlet (front) the cistern or static water tank. required fitting using a suitable jointing compound.
  • Page 31 INSTALLATION • SECTION 3 WATER CONNECTIONS The expansion vessel C4 supplied is suitable for the UNVENTED SYSTEMS stored volume of the water heater. FOR SYSTEMS WITH LARGER PIPE VOLUMES OR Unvented Systems should be fitted by an Approved ADDITIONAL STORAGE, EXPANSION VESSELS WITH Installer.
  • Page 32 SECTION 3 • INSTALLATION If higher flow rates are required for the cold water All fittings and materials must be suitable for use with services, a suitable tee fitting should be fitted to the drinking water and listed in the current Water Research pipework upstream of item C1.

  • Page 33: Commissioning

    COMMISSIONING • SECTION 4 COMMISSIONING CAUTION! DO NOT OPERATE THE WATER HEATER WARNING UNTIL THE STORAGE VESSEL IS COMPLETELY FILLED WITH WATER, WITH WATER RUNNING 1. Always follow manufacturer’s instructions when lighting FROM ALL HOT TAPS. the appliance. Failure to do so may result in damage to property, personal injury or loss of life.

  • Page 34: Air/Gas Mixture Adjustment

    SECTION 4 • COMMISSIONING AIR/GAS MIXTURE ADJUSTMENT G20 (NATURAL GAS, MOSTLY METHANE) FAMILY The water heater gas/air mixture is adjusted at the factory for the proper mixture for optimum combustion and The venturi screw depth, when measured with a set of ignition for the type of gas listed on the rating label.

  • Page 35: Co 2 Percentage

    Fig. 14 CO² PERCENTAGE Model Reference Input rating Combustion Flue Gas Volume Vent Temperature kW/hr Cubic metres/hr °C EC230/600 36.6 11.0%/10 ppm 50 – 60 EC230/700 43.9 10.3%/20 ppm 50 – 60 EC230/960 58.6 9.7%/10 ppm 55 – 60 EC380/740 43.9...

  • Page 36: Operating Instructions

    SECTION 5 • OPERATING INSTRUCTIONS OPERATING INSTRUCTIONS WARNING Water heaters are heat-producing appliances. To avoid damage or injury, there must be no materials stored against the water heater or flue system and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and flue system.

  • Page 37: For Your Safety Read Before Lighting

    OPERATING INSTRUCTIONS • SECTION 5 LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life A. This appliance does not have a pilot. •...

  • Page 38: Temperature Stratification (Stacking)

    If the burner shuts down and is associated with expense, make sure the tank is actually leaking before high water temperature, the ECO is probably operational contacting Andrews Water Heaters. and the cause of overheating should be investigated. CAUTION...

  • Page 39: Maintenance/Service

    MAINTENANCE / SERVICE • SECTION 6 MAINTENANCE / SERVICE INTRODUCTION ANNUALLY Servicing must be carried out by a properly qualified Annual checks of the ignition systems, temperature person. controls and any other controls are necessary to ensure continued safe and efficient operation. Whilst giving these instructions for the care of the ECOflo, it is recommended that checks are carried out by the The entire combustion system must be sealed for this...

  • Page 40: Flushing Water Heater

    SECTION 6 • MAINTENANCE / SERVICE FLUSHING WATER HEATER SEDIMENT AND LIMESCALE 1. Turn OFF the water heater electrical disconnect Waterborne impurities consist of the particles of soil and switch. sand, which settle out and form a layer of sediment on 2.

  • Page 41: Drain Valve And Tank Access Panel

    MAINTENANCE / SERVICE • SECTION 6 TO REPLACE A CORREX ANODE CLEANING THE STORAGE VESSEL The Correx Powered Anodes on this water heater are The storage vessel should be checked and easily accessible from the top of the water heater, under cleaned annually the insulation, towards the front of the appliance by the burner assembly, making replacement (if necessary)

  • Page 42: Combined Temperature/Pressure Relief Valve

    SECTION 6 • MAINTENANCE / SERVICE COMBINED TEMPERATURE / PRESSURE COMBUSTION SYSTEM INSPECTION RELIEF VALVE Inspect the operation of the combustion system monthly. At least twice a year, the temperature and pressure relief Use the following procedure to inspect the combustion valve should be checked to ensure that it is in operating system.

  • Page 43: Fault Finding

    If the limit switch trips, call our If the above switches are functioning, please contact the technical support department. Technical Support Department at Andrews Water Heaters for further assistance.
  • Page 44 SECTION 8 • PARTS LIST AND ILLUSTRATIONS PARTS LIST AND ILLUSTRATIONS Part Ref. Description Part Number Control Thermostat E883 Baffle 4” Flue E881 Mag. Rod Assembly – 230 C288 Correx Anode Z091 Baffle 2” Flue – 230 E879 Baffle 2” Flue – 380 E880 Plastisert Nipple 1½”...
  • Page 45 PARTS LIST AND ILLUSTRATIONS • SECTION 8 16 17...
  • Page 46 SECTION 8 • PARTS LIST AND ILLUSTRATIONS COMBUSTION SURROUND ASSEMBLY Part Ref. Description Part Number Ignition Control Assembly E885 Switch Main Power E884 Potentiometer E889 High Limit Thermostat E886 COMBUSTION ASSEMBLY Part Ref. Description Part Number Blower – EBM 600/700/740 E892 Blower –...
  • Page 47 PARTS LIST AND ILLUSTRATIONS • SECTION 8 Combustion assembly Combustion surround assembly Ignition control assembly...
  • Page 48 SECTION 8 • PARTS LIST AND ILLUSTRATIONS ECOflo Concentric Flue Component List (100/150mm dia.) Part Ref. Description Part Number 90° Elbow with Clamp E205 1000mm Flue with Clamp E202 Horizontal Flue Terminal E236 Wall Clamp (not shown) E209 1000mm Cutable Flue with Clamp E203 500mm Flue with Clamp E204...
  • Page 49 PARTS LIST AND ILLUSTRATIONS • SECTION 8...
  • Page 50 SECTION 8 • PARTS LIST AND ILLUSTRATIONS ECOflo Unvented System Kit B290 – Parts List Part ref. Part Number Description C784 Combined Pressure Reducing Valve/Strainer C785 Check Valve Assembly C786 Expansion Valve C782 Expansion Vessel (25 Litre) C380 Temperature/Pressure Relief Valve 1” C384 Tundish from Expansion Valve and T/P Valve B173...
  • Page 51 PARTS LIST AND ILLUSTRATIONS • SECTION 8 Unvented system kit components...
  • Page 52 ” R hRjjmso Baxi Commercial Division Sales: Technical: Wood Lane, Erdington, 0845 070 1056 0845 070 1057 Birmingham B24 9QP Email: andrews@baxicommercialdivision.com www.andrewswaterheaters.co.uk...

This manual is also suitable for:

Ecoflo ec230/700Ecoflo ec380/740Ecoflo ec230/960Ecoflo ec380/980Ecoflo ec380/1220Ecoflo ec380/1400 ... Show all

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