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Related Manuals for Lochinvar ECOKNIGHT EKW86CE
Summary of Contents for Lochinvar ECOKNIGHT EKW86CE
- Page 1 ECOKNIGHT™ FLOOR STANDING GAS FIRED CONDENSING CIRCULATING TYPE WATER HEATER Installation, Commissioning, Maintenance and User instructions Models EKW46CE EKW61CE EKW86CE EKW116CE EKW146CE EKW176CE EKW206CE EKW236CE installation manual_ecoknight_february 2017 EKW236CE...
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Page 2: Table Of Contents
Table of Contents INTRODUCTION ............................................4 SAFETY GUIDELINES..........................................5 General description of safety symbols used ..................................5 What to do if you smell gas ........................................ 6 PRINCIPAL PARTS ..........................................7 TECHNICAL DATA ..........................................10 DIMENSIONS AND CLEARANCE ......................................11 DIMENSIONAL DRAWINGS ......................................11 CLEARANCES.......................................... - Page 3 17.3 WATER CONNECTIONS ........................................ 64 17.4 COMMISSIONING THE EQUIPMENT ..................................... 64 17.5 TEMPERATURE ADJUSTMENT PROCEDURE ................................65 17.6 LEGIONELLA PREVENTION ......................................66 17.7 PASTEURISATION ......................................... 66 17.8 PASTEURISATION USING THE NIGHT SET BACK FACILITY ............................66 17.9 INSTALLATION NOISE ........................................66 18.0 LPG FUEL .............................................
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Page 4: Introduction
INTRODUCTION The Lochinvar EcoKnight™ range is a floor standing direct gas fired circulating type condensing water heater. The equipment comprises of stainless steel radial burner assembly and heat exchanger that permits fully condensing operation. EcoKnight™ water heaters must be used in conjunction with an appropriately sized LST direct storage vessel (available from Lochinvar Limited as an ancillary option) ... -
Page 5: Safety Guidelines
SAFETY GUIDELINES READ AND UNDERSTAND THE INSTRUCTIONS Read and fully understand all instructions before attempting to operate maintain or install the unit. Keep these instructions near the water heater for quick reference. This equipment must be installed by a competent person, registered with the H.S.E. approved body. All installations must conform to the relevant Gas Safety and Building Regulations. -
Page 6: What To Do If You Smell Gas
Do not re-enter the building until it is safe to do so Lochinvar Limited is not liable for any damage caused by inaccurately following these installation instructions. Only original parts may be used when carrying out any repair or service work. -
Page 7: Principal Parts
PRINCIPAL PARTS ITEM DESCRIPTION FUNCTION Allows water to flow through specially designed coils for maximum heat transfer, while providing Stainless steel heat exchanger protection against flue gas corrosion. The coils are encased in a jacket that contains the combustion process. Heat exchanger access cover Allows access to the combustion side of the heat exchanger coils. - Page 8 3.1.2 PRINCIPLE PARTS SHOWN, TO BE USED WITH 3.1.1 FRONT VIEW ALL MODELS REAR VIEW MODELS EKW46CE-EKW61CE REAR VIEW MODELS EKW86CE-EKW116CE LEFT SIDE VIEW MODELS EKW86CE-EKW116CE...
- Page 9 REAR VIEW MODEL EKW146CE RIGHT SIDE VIEW MODEL EKW146CE REAR VIEW MODELS EKW176CE-EKW236CE SIDE VIEW MODELS EKW176CE-EKW236CE...
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Page 10: Technical Data
TECHNICAL DATA Model Number EKW46CE EKW61CE EKW86CE EKW116CE EKW146CE EKW176CE EKW206CE EKW236CE GENERAL DATA Product I.D. Number CE 0063 CQ3351 Classification 112H31B/P Input (gross) – kW 61.5 83.5 116.9 146.5 175.8 205.2 234.5 Input (net) – kW 39.6 55.4 75.2 105.3 158.4 184.9... -
Page 11: Dimensions And Clearance
DIMENSIONS AND CLEARANCE 5.1 DIMENSIONAL DRAWINGS Note full dimensional drawings showing connection sizes and positions are available from Lochinvar Technical Support 5.1.1 EKW46CE-EKW61CE IMENSIONAL DRAWING MODEL 5.1.2 , EKW86CE,EKW116CE,EKW146CE,EKW176CE,EKW206CE,EKW236CE IMENSIONAL DRAWING MODELS Model Dimension Unit EKW46CE EKW61CE EKW86CE EKW116CE EKW146CE... -
Page 12: Clearances
5.2 CLEARANCES 5.2.1 ENCLOSURE INSTALLATION CLEARANCES ( 5.2.2 PLANT-ROOM INSTALLATION CLEARANCES (... -
Page 13: General Requirements
GENERAL REQUIREMENTS The Lochinvar EcoKnight™ condensing water heater has been designed to operate trouble free for many years. These instructions should be followed closely to obtain the maximum usage and efficiency of the equipment. READ AND UNDERSTAND THE INSTRUCTIONS Read and fully understand all instructions before attempting to operate maintain or install the unit. -
Page 14: Water Quality
Pumps, Flow Rates and Pipework headers LOCATION 8.1 PLANT ROOM REQUIREMENTS The Lochinvar EcoKnight™ may only be installed in a room that complies with the appropriate ventilation requirements. The Lochinvar EcoKnight™ can be used as a type C or C (room sealed) appliance. -
Page 15: Clearances
Lochinvar Limited. This unit is capable of neutralising 4000 litres of condensate to a pH of 7.0 before releasing it to a drain. -
Page 16: Equipment Gas System Leak Check
9.6 EQUIPMENT GAS SYSTEM LEAK CHECK An approved gas-inlet appliance isolating valve and union should be installed for each unit in a convenient and safe position and be clearly marked. Ensure that the gas-inlet appliance isolating valve is in the OFF position. Although the equipment receives a gas leak check and gas train component integrity check prior to leaving the factory, transit and installation may cause disturbance to unions, fittings and components. -
Page 17: Flue System
When used as a type C (room sealed) appliance, the approved, purpose designed adaptive flue system should be used. For further details, please contact Lochinvar Limited. When used as a Type B (open flued) appliance, a suitable flue system constructed of Stainless Steel or Polypropylene with a temperature rating in excess of 120C should be used. -
Page 18: Flue System Technical Details And Maximum Flue Length
10.4 FLUE SYSTEM TECHNICAL DETAILS AND MAXIMUM FLUE LENGTH Model Number EKW46CE EKW61CE EKW86CE EKW116CE EKW146CE EKW176CE EKW206CE EKW236CE FLUE DATA TYPE B Nominal flue diameter – mm Maximum flue gas temp. – C Maximum equivalent length – m 1000 1500 Equivalent length 90... - Page 19 10.6.1 FLUE TERMINAL POSITIONS Location Description EKW46CE – EKW61CE EKW86CE – EKW236CE Directly below an opening, air brick, opening windows etc. 2000 Above an opening, air brick, opening windows etc. 1000 Horizontally to an opening, air brick, opening windows etc. 1000 Below a gutter or sanitary pipework Below the eaves...
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Page 20: Room Sealed (Type C) Flue Assembly
10.7 ROOM SEALED (TYPE C) FLUE ASSEMBLY 10.7.1 GENERAL CONCENTRIC FLUE SYSTEM INSTALLATION GUIDELINES Do not drill and screw into flue system... - Page 21 Max distance between brackets...
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Page 24: Installation Of Flue Transition Kit To Ekw46Ce - Ekw61Ce Water Heaters
Additional wall brackets may be required to ensure the flue system is stable. For a full list of flue components supplied and optional parts to complete the system see the EcoKnight™ flue guide available at www.Lochinvar.ltd.uk ITEM NUMBER DESCRIPTION EKW 46CE EKW 61CE 90⁰... - Page 25 To install the flue connection to the EKW46CE – EKW61CE Water Heaters the following procedure should be followed: Check you have all items shown in Section 10.8.1 Check the flue temperature sensor (supplied with the Water Heater) is securely located into the hole on the exhaust transition.
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Page 26: Installation Of Transition Kit To Ekw86Ce-Ekw116Ce Water Heaters
Additional wall brackets may be required to ensure the flue system is stable. For a full list of flue components supplied and optional parts to complete the system see the EcoKnight™ flue guide available at www.Lochinvar.ltd.uk ITEM NUMBER DESCRIPTION EKW/EKW 86 EKW/EKW 116 90⁰... - Page 27 To install the flue connection to the EKW86CE – EKW116CE Water Heaters the following procedure should be followed: Check you have all items shown in Section 10.9.2. Check the flue temperature sensor (supplied with the Water Heater) is securely located into the hole on the exhaust transition.
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Page 28: Installation Of Flue Connection Kit To Ekw146Ce-Ekw176Ce
Additional wall brackets may be required to ensure the flue system is stable. For a full list of flue components supplied and optional parts to complete the system see the EcoKnight™ flue guide available at www.Lochinvar.ltd.uk ITEM NUMBER DESCRIPTION EKW/EKW 146... - Page 29 To install the flue connection to the EKW146CE-EKW176CE Water Heater the following procedure should be followed: Check you have all items shown in Section 10.10.1 Check the flue temperature sensor (supplied with the Water Heater) is securely located into the hole on the exhaust transition.
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Page 30: Installation Of Flue Connection Kit To Ekw206Ce - Ekw236Ce
Additional wall brackets may be required to ensure the flue system is stable. For a full list of flue components supplied and optional parts to complete the system see the EcoKnight™ flue guide available at www.Lochinvar.ltd.uk ITEM NUMBER DESCRIPTION EKW/EKW 206... - Page 31 To install the flue connection to the EKW206CE – EKW236CE Water Heaters the following procedure should be followed: Check you have all items shown above. Check the flue temperature sensor (supplied with the Water Heater) is securely located into the hole on the exhaust transition.
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Page 32: Horizontal Flue Terminal Installation
10.12 HORIZONTAL FLUE TERMINAL INSTALLATION 10.12.1 TYPE C ORIZONTAL ROOM SEALED 10.12.2 HORIZONTAL ROOM SEALED APPLICATION, MODELS EKW46CE-EKW116CE 10.12.3 HORIZONTAL CONCENTRIC ROOM SEALED APPLICATION, MODELS EKW146CE-EKW236CE When the Water Heater is installed as a Type C (Horizontal concentric) appliance, the flue system should be installed as follows: Determine the location of the flue terminal, taking into account minimum distances as detailed in Section 10.6.1 And the relevant British Standards. -
Page 33: Flue Terminal Guarding
Fit the concentric adapter (EKW146CE – EKW236CE only) and clamp using its locking band. Install the remainder of the flue system working progressively away from the Water Heater supporting the pipes as necessary. 10.12.4 HORIZONTAL TERMINAL INSTALLATION 10.13 FLUE TERMINAL GUARDING If a horizontal flue terminal is to be fitted less than 2 metres from ground level or in a location where it can be touched from a window, door or balcony, a terminal guard must be fitted. - Page 34 Confirm that the roof flashing is correct for the type of roof through which the terminal is to be installed. (10.14.4) Determine the desired location for the flue terminal, taking into account minimum distances as detailed in Section 10.6.1FLUE TERMINAL POSITIONS and the relevant British Standards. Taking care to protect the appliance from debris and dust, drill a hole in the desired location.
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Page 35: Type C 43 (U Duct)
10.15 TYPE C (U DUCT) This appliance can operate on a U-Duct common flue system. The maximum lengths for the interconnecting flue can be found in Section 10.4. Concrete components of the U-Duct must meet the requirements of BS EN 1858. Mass Rate @ 100% Mass Rate @ 23% Mass Rate @ 100%... -
Page 36: Type C 53 (Twin Pipe)
10.16 TYPE C (TWIN PIPE) When installing the water heater as a Type C53 appliance, it should be noted that the terminals must not be installed on opposite sides of the building. 10.16.1 GENERAL TWIN-PIPE INSTALLATION GUIDELINES... - Page 38 10.16.2 TYPICAL HORIZONTAL TWIN PIPE FLUE ARRANGEMENT...
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Page 39: Type B 23 (Conventional Flue With Fan Assistance)
10.17.1 TYPICAL CONVENTIONAL FLUE ARRANGEMENT A kit of components to facilitate conventional flueing of the appliance is available from Lochinvar Limited and must be fitted prior to fitting any other flue components. Insert the exhaust transition into the exhaust port of the water heater. -
Page 40: Air Supply
11.0 AIR SUPPLY The following information is based on single water heater installations only. If more than one water heater is being used, BS5440-2 or BS6644 (as appropriate) should be consulted to calculate the necessary requirements. 11.1 COMBUSTION VENTILATION When used as a Type C (room sealed) appliance, provided sufficient clearance is provided, ventilation for combustion is not necessary as the combustion air is ducted directly from outside. -
Page 41: Water Connections
The requirements of minimum water flow are given in Table 12.5.1. Recommendations for the water circulation system are given in BS6644 and CP 342. The following notes are of particular importance. EcoKnight™ must be used with a direct type storage vessel (LST). Contact Lochinvar Limited for help in sizing the storage vessel. -
Page 42: Open Vented System Arrangement
OPEN VENTED SYSTEM ARRANGEMENT The Lochinvar EcoKnight™ can be used in an open vented arrangement provided that a vent pipe in accordance with CP342, BS6644 or BS6700 as appropriate is fitted. The minimum static head requirement for an open vented system is 0.5 bar. -
Page 43: Stratification
In order to ensure the correct flow rates through the water heater, the unit requires a bronze glanded pump sized to overcome the resistance of the heat exchanger and a primary pipework loop. Lochinvar will supply a suitable bronze glanded shunt pump with each water heater as shown in Section 12.5.1. The primary loop should be no longer than 14 metres plus the following fittings: 6 x 90... -
Page 44: Hard Water Areas
In areas were the water quality cannot be guaranteed i.e. hard water areas the Circulating pumps should be upgraded to ensure the correct flow is maintained within the water heaters. The table below shows the alternative pumps to be used. Please contact Lochinvar Technical Support for further guidance. FLOW... -
Page 45: Control Options/Installation
Lochinvar Ltd reserves the right to change specifications without prior notice. All necessary additional valves and fittings to be determined by those other than Lochinvar Ltd. Lochinvar Ltd may provide technical advice and guidance to assist with best practice, optimisation and installation of Lochinvar products;... -
Page 46: Vessel Temperature Sensor Multiple Water Heater Installation
Lochinvar limited may provide technical advice and guidance to assist with best practice, optimisation and installation of Lochinvar products; however, we will not be liable for any duties as designers under construction (design and management regulations 2015). In all cases where information is provided, the customer must assess and manage risks associated with the technical information and advice provided. -
Page 47: Standalone Installation, Single Water Heater
14.2 STANDALONE INSTALLATION, SINGLE WATER HEATER The installation shown below features an EcoKnight™ water heater working on its own sensors only, the supplied tank sensor is installed within the sensor point on the LST direct storage vessel. This arrangement gives close temperature control and is particularly suitable for installations with a constant low level demand such as leisure centres. -
Page 48: Bms Installation, Single Water Heater
14.1 BMS INSTALLATION, SINGLE WATER HEATER The installation shown below features an EcoKnight™ water heater with BMS control, the BMS can send an on/off signal as required depending upon the temperature within the storage vessel. This will be monitored by a BMS sensor shutting the EcoKnight™... -
Page 49: Installation, Two Water Heaters With Single Vessel - Alternate Lead With Strap-On Sensor
14.2 INSTALLATION, TWO WATER HEATERS WITH SINGLE VESSEL – ALTERNATE LEAD WITH STRAP-ON SENSOR The installation shown below features two EcoKnight™ water heaters working with a single tank sensor. The water heaters would be put into cascade - the supplied tank sensor is installed within the sensor point on the LST direct storage vessel and connected back to the lead water heater. -
Page 50: Multiple Water Heaters With Single Vessel
14.3 MULTIPLE WATER HEATERS WITH SINGLE VESSEL When multiple EcoKnight™ water heaters are installed as shown below one water heater is designated as the leader water heater. The leader will decide how many member water heaters to activate and at what firing rate depending upon information received from the tank sensor. -
Page 51: Multiple Water Heaters With Multiple Lst Direct Storage Vessels
14.4 MULTIPLE WATER HEATERS WITH MULTIPLE LST DIRECT STORAGE VESSELS Sometimes it may be necessary to install multiple LST direct storage vessels, for example to reduce the kW required meeting the demand or if a single larger vessel will not fit within the plant room. The vessels should be installed as shown below utilising a reverse return pipework arrangement to ensure an even temperature distribution between the vessels. -
Page 52: Electrical Supply
15.0 ELECTRICAL SUPPLY Wiring external to the equipment must be installed in accordance with the I.E.E. Regulations and any local regulations that apply. Model Normal Supply Voltage External Fuse Rating Power Consumption EKW46CE 120 W EKW61CE 144 W EKW86CE 180 W 230V AC EKW116CE 180 W... - Page 53 15.2.1 REMOTE ENABLING There are three ways to enable the EcoKnight™ Water Heater as follows; Using night setback mode – this uses the EcoKnight™ water heaters internal clock and can be used to program 7 stop times and 7 start times. Refer to section 21.1 For more intermittent control of the EcoKnight™...
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Page 54: High Voltage Connector Strip
15.3 HIGH VOLTAGE CONNECTOR STRIP 15.3.1 HIGH VOLTAGE CONNECTION STRIP The output accross the 3 terminals should not exceed 190W per terminal. It is highly recommended these switched outputs are only used to switch suitable starter/overload relays on the pumps. OUTPUT CONNECTION NOTES... - Page 55 CONNECTION OUTPUT / INPUT NOTES An internal volt free contact across pins 1 and 2 will close in the event of the heater locking out. ALARM CONTACTS Volt free – Close on alarm This connection can be used by a BMS to monitor the operation of the heater. RUNTIME Volt free –...
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Page 56: Electrical Connections
15.5 ELECTRICAL CONNECTIONS Access to the High Voltage and Low Voltage Connection Strips can be made by removing the appropriate knockouts on the back panel of the water heater. All connections should be secured using an appropriate cord anchorage. One cord anchor is supplied with the water heater for securing the mains supply to the unit. -
Page 57: Wiring Diagram
15.8 WIRING DIAGRAM 15.8.1 WIRING DIAGRAM... -
Page 58: Ladder Diagram
15.9 LADDER DIAGRAM 15.9.1 LADDER DIAGRAM... -
Page 59: Smart System Control
16.0 SMART SYSTEM CONTROL 16.1 GENERAL The Lochinvar EcoKnight™ uses the SMART SYSTEM control interface. The control panel display give information on set-up, system status and diagnostic data in words rather than codes. 16.2 SMART SYSTEM CONTROL PANEL USB Drive... -
Page 60: Saving Parameters
16.4 SAVING PARAMETERS Please note that the brackets ([]) denote screen status. 16.4.1 TO SAVE PARAMETERS AND EXIT PROGRAMMING Press the RIGHT SELECT (SAVE) key and then press the RIGHT SELECT (HOME) KEY. 16.4.2 TO ENTER A PARAMETER AND CONTINUE PROGRAMMING Press the RIGHT SELECT (SAVE) key 1 time to return to the parameter listings, press again to return to the menu listings. - Page 61 If flame is not detected after spark ends the control will perform a post-purge, then start another pre-purge cycle and try to light the water heater again. On the 145 model up the control will lock out after this second attempt on the 115 down a further four attempts will be made before the unit goes to lock-out.
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Page 62: Status Display Screens
16.5 STATUS DISPLAY SCREENS Section Display Description STANDBY The unit has not received a call for heat START The unit has received a call for heat and is checking all safety circuits PREPURGE The unit has received a call for heat and has initiated a pre-purge period IGNITION The unit has initiated the spark ignition to the main burner A (Water... - Page 63 Section Display Description 0-10V BMS IN 0-10V BMS OUT BMS ADDRESS BMS SCREEN BMS CONTROL? SYS PUMP SPEED BLR PUMP OUT DHW RUN TIME total DHW running time DHW CYCLES total DHW demand cycles POWER HOURS total time powered on total number of successful ignition C(Operational IGNITIONS...
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Page 64: Commissioning And Testing
17.0 COMMISSIONING AND TESTING 17.1 ELECTRICAL INSTALLATION Notes on the requirements for electrical installation are provided in Section15.0: ELECTRICAL SUPPLY. A schematic drawing of the control circuit is shown in Figure 15.8. 17.2 GAS INSTALLATION For design see Section 9.0: GAS SUPPLY. See Section 3.0: PRINCIPAL PARTS for details on the position of the gas connection. -
Page 65: Temperature Adjustment Procedure
<100 ppm 17.4.5 NATURAL GAS COMBUSTION FIGURES If the combustion figures are not within the range specified, contact Lochinvar Technical Support for further guidance. Combustion figures for Propane firing can be found in Section 18.0: LPG FUEL. 17.5 TEMPERATURE ADJUSTMENT PROCEDURE 17.5.1... -
Page 66: Legionella Prevention
If a pasteurisation cycle is to be used at a temperature raised above the standard set-point this can be achieved in one of three ways, the method chosen will depend on the frequency and monitoring required. Contact Lochinvar Technical Support for further guidance. -
Page 67: Lpg Fuel
The conversion MUST be carried out by a competent person certified for work on LPG fuel. In the event of any seal or gasket being broken it is essential that the seal or gasket be replaced. Contact Lochinvar limited for replacement seals and gaskets. Model Part No. - Page 68 If the water heater is already installed and operational, you must turn off the gas supply, turn off the power supply and allow the water heater to cool before proceeding. The conversion procedure is as follows: 18.2.2 EKW46CE – EKW86CE Remove the top and front access covers from the unit (no tools required for removal).
- Page 69 18.2.4 EKW116CE Remove the top and front access covers from the unit (no tools required for removal). Remove the impulse tube and wiring plug from the gas valve. Remove the three screws securing the venturi to the fan. When separating the venturi from the fan, take care not to damage the O-ring inside the fan. Remove the four cap-head screws securing the gas valve to the venturi.
- Page 70 18.2.6 EKW146CE Remove the top and front access covers from the unit (no tools required for removal). Remove the gas valve and manifold from the unit via the unions on each end. Remove the three screws mounting the injector plate on the air shroud. Remove the four screws securing the manifold adapter to the injector plate taking care not to damage the O-ring.
- Page 71 18.2.8 EKW176CE – EKW236CE Remove the top and front access covers from the unit (no tools required for removal). Remove the four screws and nuts that hold the adaptor flange to the inlet of the venturi. Separate the flange and venturi ensuring the gasket is not damaged. Locate the propane orifice disk from the conversion kit bag.
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Page 72: Lpg Commissioning And Testing
EKW146CE <100 ppm 10.0% 1.0% EKW176CE <100 ppm 10.0% 1.0% EKW206CE <100 ppm 10.0% 1.0% EKW236CE <100 ppm TABLE 17.2 LPG COMBUSTION FIGURES If the combustion figures are not within the range specified, contact Lochinvar Technical Support for further guidance. -
Page 73: Maintenance
The water heater has a built in function that reminds the user that routine maintenance is due. As a default, this is set to 12 months 10,000 operational hours or 10,000 ignition cycles. Lochinvar recommends that this be the maximum service interval. -
Page 74: Burner Removal
19.4 BURNER REMOVAL If it has been determined that the flame picture is unacceptable, the burner can be removed and cleaned using the following procedure: Isolate the electrical and gas supplies to the heater. Allow the water heater to cool down. Disconnect the wiring connections to the ignition electrode. -
Page 75: Refilling The System
19.7 REFILLING THE SYSTEM Close the drain valve. Open the cold-water inlet valve from the header tank or pressurisation unit to water heater system. Working systematically towards the highest point in the system, open all bleed valves and allow any trapped air to escape. -
Page 76: Smart System Control Settings
20.0 SMART SYSTEM CONTROL SETTINGS 20.1 DISPLAY PANEL ACCESS MENU To access menus from the display panel use the procedure shown below: Only suitably qualified engineers should alter the settings and parameters within the EcoKnight™ water heater. Incorrect settings could lead to operational problems within the water heater. -
Page 77: Parameter Setting
20.2 PARAMETER SETTING Installer Menu Description User Access Section Access Vacation Mode (On/Off) 21.1 21.1 Time and Date 21.1 Software Version (read only) 21.1 Temperature Units (°C/°F) 21.1 DHW Night Setback Offset GENERAL 21.1 IF DHW NSB > 0: 21.1 i. - Page 78 User Installer Menu Description Section Access Access Anti-cycling Time 21.5 21.5 Anti-cycling Override Differential ANTI-CYCLING Ramp Delay (Enable/Disable) Modulation Factor Controlling Sensor(Outlet/System Supply/Inlet) 21.6 Cascade Address IF Address = 0: Maximum Cascade Outlet Set Point Cascade Offset Cascade Differential Cascade Type (L/L, EFF) Minimum On/Off Time Minimum Next On Time Minimum Pumps 21.6 ELSE IF Address = 1: Alternate...
- Page 79 User Installer Menu Description See Section Access Access DHW Pump Delay 21.8 CIRCULATING PUMPS 21.8 DHW Pump Anti-Seize Delay Service Notification Months 21.9 21.9 Service Notification Running Time 21.9 Service Notification Cycles SERVICE 21.9 NOTIFICATION Reset Service Reminder 21.9 Installer Name 21.9 Installer Phone Number Time &...
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Page 80: Viewable And Changeable Control Parameters
21.0 VIEWABLE AND CHANGEABLE CONTROL PARAMETERS Before changing parameters, note the settings so that the unit can be returned to its origanal operating parameters. These can be uploaded to a USB for later use see 21.10.1. 21.1 GENERAL 21.1.1 VACATION MODE This parameter forces the DHW set points to decrease by the amounts programmed in the Night Setback Offset parameters. -
Page 81: Data Logging
21.1.6 DOMESTIC HOT WATER (DHW) NIGHT SETBACK ON AND OFF TIMES These are the times at which the DHW Night Setback Offsets become active and inactive. There are seven (7) stop times and seven (7) start times each for the DHW night setback functions. Any start or stop time may be set to any time during the week. -
Page 82: Dhw Settings
21.3.2 FREEZE PROTECTION PUMP ON The SMART SYSTEM control will turn on the water heater and system pump outputs whenever the inlet temperature drops below this setting. This is done to prevent the water in the heat exchanger from freezing. Certain low temperature applications (such as snow melt) can operate at temperatures around freezing, so this setting needs to be lowered in these cases. -
Page 83: Anti-Cycling
21.4.5 TANK MINIMUM SET POINT This setting controls the minimum tank set point for the tank temperature. The installer can adjust this by accessing the Tank Minimum Set point parameter. The minimum setting is16°C and the maximum setting is the maximum tank set point (Tank Maximum Set point parameter). - Page 84 21.6.4 CASCADE OFFSET This parameter determines how much the temperature must go above set point before the lead water heater will turn off. This parameter can be adjusted by the installer by accessing the Cascade Offset parameter. The temperature range of this parameter is 0° to 11°C the default value is 6°C. 21.6.5 CASCADE DIFFERENTIAL This parameter determines how much the temperature must go below the turn off temperature (Set point + Offset)
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Page 85: Building Management System (Bms)
21.6.10 ALTERNATE LEADER This parameter allows the Member 1 water heater to automatically assume control of the Cascade should it lose communication with the Leader water heater. When programmed to YES, it is recommended that the Member 1 water heater have its own set of external sensors installed (such as the Vessel sensor), to maintain the same level of temperature control as with the Leader water heater. - Page 86 21.7.4 RATE AT MAXIMUM VOLTS When programmed for BMS control through the 0 - 10V BMS input or through ModBus/BACnet and the BMS Type is programmed as POWER, the modulation percentage represented by the Volts at Maximum parameter is set by the Rate at Maximum Volts parameter.
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Page 87: Circulation Pumps
21.7.13 BAS T/O This is the amount of time the unit controls will wait to receive a communication string from the BMS controller before reverting back to its own internal parameters. This parameter is adjustable by the installer by accessing the BAS T/O parameter. -
Page 88: Basic Setup
USB-A (rectangular) port next to the display. Once a drive is inserted, the display will search the root directory of this drive for a folder named “Lochinvar”. If it does not find it, the display will ask if you want it to create this folder. -
Page 89: Erp Data Table
22.0 ERP DATA TABLE The ErP data shown above relates to the EcoKnight™ water heater only, the domestic hot water efficiency will depend on: The number and size of EcoKnight™ water heaters fitted The number, size and type of direct storage vessels fitted ... -
Page 90: User Instructions
23.0 USER INSTRUCTIONS Once the installation and commissioning is complete, the equipment owner or their representative should be made aware of the operation of the appliance and its safety devices. A practical demonstration should be given describing each functional step. Incorrect use may result in injury and will also invalidate the warranty. 23.1 GENERAL REQUIREMENTS This equipment must be installed by a competent person, registered with an H.S.E. -
Page 91: Smart System Control
23.4 SMART SYSTEM CONTROL USB Drive PC Connection Left select key Navigation dial Reset switch Right select key The information on the bottom of the display shows the functions of the two SELECT keys on both corner, and the NAVIGATION dial in the centre. MENU Left SELECT key SETPOINTS... -
Page 92: Maintenance
23.6 MAINTENANCE See section 19.0 Maintenance 23.7 AIR SUPPLY When installed as a conventionally flued appliance, the room in which the appliance is installed must be ventilated. Blocking these vents may lead to severe injury, serious property damage or death. ... - Page 93 NOTES NOTES __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________...
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