Lochinvar EKW115CE User & Smart System Control Manual Download | Manualshive

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The

EcoKnight™ range

High Efficiency Gas Fired Condensing Water Heaters

User & SMART SYSTEM Control Guide

Models:

EKW45CE

EKW60CE

EKW85CE

EKW115CE

EKW145CE

EKW175CE

EKW205CE

EKW235CE

INS0012 Issue No 5 | August 2011

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Summary of Contents for EKW115CE

Page 1: ...EcoKnight range High Efficiency Gas Fired Condensing Water Heaters User SMART SYSTEM Control Guide Models EKW45CE EKW60CE EKW85CE EKW115CE EKW145CE EKW175CE EKW205CE EKW235CE INS0012 Issue No 5 August 2011 ...

Page 2: ...CONTROL PANEL 5 2 3 SEQUENCE OF OPERATION 6 2 4 STATUS DISPLAY SCREENS 7 3 0 USER SETTINGS 9 3 1 GENERAL 9 3 2 ENTERING THE USER CODE 9 3 3 MENU SET A GENERAL SETTINGS 9 3 3 1 WATER HEATER MODEL 9 3 3 2 USER CODE 9 3 3 3 TIME DATE 10 3 3 4 SOFTWARE VERSION 10 3 3 5 TEMPERATURE UNITS 10 3 3 6 NIGHT SETBACK TEMPERATURE 10 3 3 7 NIGHT SETBACK TIME 10 3 4 MENU SET C DATA LOGGING 11 3 4 1 TOTAL HRS RUN...

Page 3: ...ROCEDURE FOR SHUTTING DOWN To take the appliance out of service the Enter Reset button should be pressed If the appliance in to be shut down for a long period of time the power supply should be isolated using the rocker switch on the back and the gas supply should be isolated at the gas inlet appliance isolating valve 1 4 TEMPERATURE ADJUSTMENT PROCEDURE The setpoint can be adjusted using the Up a...

Page 4: ...UPPLY When installed as a conventionally flued appliance the room in which the appliance is installed must be ventilated Blocking these air vents may lead to severe injury serious property damage or death The area in which the appliance is installed should not be used to store any other materials 1 8 CONDENSATE DRAIN The condensate drain must not be blocked or modified in any way If fitted with a ...

Page 5: ...ROL 2 1 GENERAL The Lochinvar EcoKnight uses the SMART SYSTEM control interface The control panel display gives information on set up system status and diagnostic data in words rather than codes 2 2 SMART SYSTEM CONTROL PANEL ...

Page 6: ...cle is complete and the blocked drain and auto reset high limit are closed the control starts the 5 second trial for ignition by sending spark voltage to the spark electrode and opening the gas valve WHR IGNITION OUT 61 5C 65 5 If the control does not detect flame by the end of the trial for ignition the control performs a 10 second postpurge On the EKW45CE to EKW115CE models the control will perf...

Page 7: ... the unit to fire at 100 of rate for the purpose of combustion analysis OUT C The outlet temperature is displayed OPEN The control does not detect the outlet sensor SHORTED The outlet sensor wires or the sensor itself has become shorted Press the Next arrow key on the SMART SYSTEM display to access Screen 2 2 IN C If a tank sensor is installed only the inlet temperature will be displayed C When a ...

Page 8: ... a tank sensor Cas No Members The Master control could not detect any Member controls to participate in the Cascade PMP Off The Master control has not received a call for heat from a tank sensor and has not powered the primary pump PMP On The Master control has received a call for heat from a remote thermostat and has powered the system pump PMP Delay The tank call for heat has been satisfied and ...

Page 9: ... 7 times The display should now show Enter Menu Code 0704 6 Press the Enter Reset button The display should now show Enter Menu Code USER CODE 3 3 MENU SET A GENERAL SETTINGS After 2 seconds the screen will show A General B N A Pressing the Enter Reset button will access the General menu set From here the following sub sections can be accessed by moving the caret symbol to the appropriate line usi...

Page 10: ...tore the desired setting 3 3 6 NIGHT SETBACK TEMPERATURE Once the internal clock has been set correctly the night setback feature can be used to program a lower water temperature set point for water heating This feature is only used when a tank sensor is used The temperature range for this parameter is 0 C to 60 c The feature is turned off with a setting of 0 C The default value is 0 C To modify t...

Page 11: ... setpoint of the water heater to be adjusted when a flow temperature sensor is not used Lochinvar Limited recommends that a flow sensor is always used with this appliance The setpoint should be adjusted to ensure that the water is stored at 60 C and distributed at 50 C within 1 one minute at all outlets Care is needed to avoid much higher temperatures because of the risk of scalding At 50 C the ri...

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