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2.4

 

STATUS DISPLAY SCREENS 

 

Status Display Screens

 

By using the Previous/Next (◄, ►) arrow keys on the SMART SYSTEM display panel, you can navigate through the six (6) 
display screens.  Each screen will contain two (2) viewable items.  The following is a description of the individual items and 
what they can display: 

Screen

 

Display shows:

 

Description

 

1

 

WHR: OFF

 

The unit has been turned OFF by the Enter/Reset button on the SMART 
SYSTEM display panel. 

STANDBY

 

The unit has not received a call for heat from a tank thermostat nor has 
it received a call for heat from a tank sensor. 

SET POINT MET 

 

The unit has met the water temperature set point, but is still receiving a 
call for heat from either a tank sensor or a tank thermostat. 

PREPURGE

 

The unit has initiated a 10 second purge period on a call for heat. 

IGNITION

 

The unit has begun a 5 second spark period to ignite the main burner. 

RUN***% RATE

 

The unit has fired and is running at the displayed percentage. 

POSTPURGE

 

The  call  for  heat  has  been  satisfied  and  the  unit  runs  the  fan  for  an 
additional 10 seconds to clear the combustion chamber and vent system 
of residual flue products. 

SERVICE

 

The unit has been placed in a temporary mode that will allow 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  tank  thermostat  is  installed,  the  control  will  display  the  inlet 
temperature as well as the set point in brackets. 

OPEN

 

The control does not detect the inlet sensor 

SHORTED

 

The inlet sensor wires or the sensor itself has become shorted. 

RISE: ***.*C

 

The  difference  between  the  inlet  temperature  and  the  outlet 
temperature. 

Press the Next ► arrow key on the SMART SYSTEM display to access Screen 3. 

3

 

FLUE: ***.*C 

 

The control will display the flue temperature. 

OPEN 

 

The control does not detect the flue sensor. 

SHORTED 

 

The flue sensor wires or the sensor itself has become grounded. 

TANK: ***.*C (***)

 

The  control  will  display  the  tank  temperature;  if  used,  the  set  point 
appears in brackets. 

OPEN 

 

The control does not detect the tank sensor. 

SHORTED 

 

The tank sensor wires or the sensor itself has become shorted. 

Press the Next ► arrow key on the SMART SYSTEM display to access Screen 4. 

4

 

FAN SPD: ****RPM

 

The control will display the actual fan motor RPM. 

FLAME SIG: **.*UA

 

The control will display the flame signal in dc micro amps. 

 

 

Содержание EKW115CE

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 12: ......

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