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ECOflo

Temperature Selection Procedure
Auto-Ignition Addendum

THIS ADDENDUM ONLY APPLIES TO “B” SERIES

This manual must be kept with the appliance

October 2012

Part No E864

Addendum

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

Ecoflo E864_ADENDA_MAR 2012 itempOCT12 16/10/12 11:07 Page 1

Summary of Contents for CSC39

Page 1: ... This manual must be kept with the appliance October 2012 Part No E864 Addendum 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 ...

Page 2: ... 2 ...

Page 3: ...ET button for new setting to take effect immediately Setpoint will stop flashing If the SET button is not pressed the new temperature setting will take effect in approximately 10 seconds SELECT SET Status F idle Operational Step 1 SELECT SET Status F idle setpoint Operational Step 2 Setpoint flashes SELECT SET Status F idle setpoint Operational Press SET Button for setting to to take effect immedi...

Page 4: ...ess SET button for new setting to take effect immediately The setpoint will stop flashing If the SET button is not pressed the new temperature setting will take effect in approximately 10 seconds SELECT SET Status F idle Operational Step 1 SELECT SET Status F idle setpoint Operational Setpoint flashes Step 2 SELECT SET Status F idle setpoint Operational Setpoint flashes for 10 seconds Press SET fo...

Page 5: ...ET button to change temperature format Symbol F C will flash Step 3a Press Temperature Up button to change temperature format to C SELECT SET Status C idle Operational Step 3a F C F C Flashes Changes to C SELECT SET Status idle Operational Press select Step 1 F F C SELECT SET Status idle Operational Step 2 F C Flashes F F C 5 ...

Page 6: ...the format selected F or C in 10 seconds Step 5 Pressing SELECT button will return display to setpoint in format selected F or C immediately SELECT SET Status F idle Operational Step 4 Press Set F C Symbol F C Stops Flashing SELECT SET Status F idle Operational Step 3b F C F C Flashes Changes to F SELECT SET Status F idle Operational Press select Step 5 Setpoint shown in F 6 ...

Page 7: ...s should light smoothly from the pilot Figure 8 Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank for a long period of time generally two weeks or more Hydrogen gas is extremely flammable To prevent the possibility of injury under these conditions we recommend the hot water faucet to be open for several minutes at the kitchen sink before you use a...

Page 8: ...ls are equipped with a cleanout opening to aid in removal of hard water deposits from the tank bottom If this water heater operates under hard water conditions the following should be performed at least every 3 months Drain the water heater Remove the cleanout jacket cover and tank cover When cleaning the tank care must be taken to avoid trying to break deposits loose as this could damage the glas...

Page 9: ...t is shown in the display Step 2 Pressing Select button will change display to next mode SELECT SET Status F idle Operational Water Temp SELECT SET Status idle Operational Max Setpoint next to Temperature Setpoint value Max Setpoint The following procedure is for service and installation personnel only Resetting lockout conditions without correcting the malfunction can result in a hazardous condit...

Page 10: ...er Mode 1 Max Setpoint Display Change 2a Water Temperature Average Displays average if there are two sensors sensor temperature displayed if single sensor is used SELECT SET Status F idle Water Temp Operational SELECT Lockout RESET Status Service Needed Error Code Shown in Water Heater Display SELECT SET Status F idle Operational Max Setpoint value Water Heater Display Max Setpoint 10 ...

Page 11: ...r Temperature Lower Sensor Displays if there are two sensors 3 Flame Current of Pilot Flame Sensor Displays only in the Heating Cycle SELECT SET Status Heating Operational Flame Current µA SELECT SET Status F idle Operational Upper Sensor SELECT SET Status F idle Operational Lower Sensor 11 ...

Page 12: ... F C Display Change 6 Differential Display only shows the differential of the thermostat SELECT SET Status F idle Differential Operational SELECT SET Status F C idle Operational F SELECT SET Status F idle setpoint Operational 12 ...

Page 13: ... Max Operational Setpoint SELECT SET Status idle Operational No current error codes Setting the water temperature to the maximum set point can result in scalding hot water delivered to the taps It is highly recommended that the maximum setpoint be adjusted to the lowest temperature possible for the needs of the installation See following section to change the maximum setpoint limit max setpoint Ma...

Page 14: ...the user can select Note The maximum setpoint is approximately 180 F Step 4 Press Set button to confirm new Max Setpoint value and stop setting mode SELECT SET Status F idle Operational Max Setpoint Max Setpoint Flashes SELECT SET Status F idle Operational Max Setpoint Max Setpoint continues to flash while making adjustments SELECT SET Status F idle Operational Max Setpoint Max Setpoint stops flas...

Page 15: ...Up and Select buttons together for 3 seconds Display of Water Temperature Step 1 In Service Mode Press the Select button until Water Temp is displayed in the upper right section of the water heater display For water heaters using two temperature sensors in the tank this will be the average reading between the two sensors For water heaters using a single sensor this is the reading for the sensor SE...

Page 16: ...e status window of the water heater display To Display Flame Sense Current of the Pilot Flame Sensor The pilot flame sense current is available only when the burners are in operation Step 1 Make sure the status displays Heating or draw enough hot water to start the burners Step 2 Enter the Service Mode described previously Step 3 Press the Select button until a number value is displayed with Flame...

Page 17: ...sired temperature is shown on the water heater display SELECT SET Status F idle setpoint Operational SELECT SET Status F idle setpoint Operational Setpoint Flashes SELECT SET Status F idle setpoint Operational Setpoint Flashes Note The maximum temperature that can be set in the Water Heater Display is limited to the Max Setpoint described previously To change the Max Setpoint refer to the procedur...

Page 18: ...nt Setpoint stops flashing in the water heater display To Display and Change Temperature Format F C To Change Temperature Format in Display from F to C or C to F Step 1 While in Service Mode press Select button until F C is shown in the upper right portion of the water heater display SELECT SET Status F idle setpoint Operational Setpoint Flashes SELECT SET Status F idle setpoint Operational Setpoi...

Page 19: ...s Temperature Up button to change temperature format to C Step 3b Press Temperature Down button to change temperature format to F SELECT SET Status idle Operational F F C F C Flashes SELECT SET Status idle Operational C Changes to C F C F C Flashes SELECT SET Status idle Operational F Changes to F F C F C Flashes 19 ...

Page 20: ...l stop flashing Step 5 Pressing Select button will return display to setpoint in format selected F or C immediately SELECT SET Status F idle Operational Lower Sensor Setpoint shown in F SELECT SET Status F idle Operational F F C F C Symbol Stops Flashing 20 ...

Page 21: ... the water heater into a Hard Lockout condition in which the water heater will not operate and cannot be reset in the User Mode To reset a hard lockout first enter the Service Mode described earlier by pressing both the Temperature Up and Select Buttons at the same time for 3 seconds Then press the lower right button under Lockout Reset in the water heater display and hold for 3 seconds Lockout RE...

Page 22: ...ct button after the Software Version item 8 in the previously described sequence of service modes will show an error code history if there have been any previous operating problems with the water heater If the display shows there is not a current error code The Water Heater Display will provide up to 10 previous error codes The oldest error code will be stored in code index 1 and the most recent i...

Page 23: ...If there is a number displayed note what the number is The label next to the water heater display will identify the code number If no number is displayed with only a in the water heater display then there has not been an error code for error code index 10 SELECT SET Status idle Operational Error Code Index SELECT SET Status idle Operational No Error Code Shown for Code Index 10 23 ...

Page 24: ...nge to the previous code index code 9 Step 5 Press the Select button for code index 9 to view if there are any code numbers SELECT SET Status idle Operational Error Code Index SELECT SET Status idle Operational Stored Error Code For Code Index 9 24 ...

Page 25: ...pened If not disconnect damper harness at damper plug connection and check for 24 volts between pins on red and white wires If no voltage check wire harness or measure output on control board pins 1 4 If there is no voltage at the control board replace control Replace wire harness if voltage does not pass to the pin terminals from the control If there is 24 volts at flue damper connection replace ...

Page 26: ...r Determine cause of low or high voltage Call an electrician or your utility The water heater should be on a separate line 61 DC Output Voltage Unstable Check line voltage to the water heater for erratic readings Also check wiring to make sure there are no shorts If power supply and wiring is O K replace control board 62 Maximum Number of Retries Detected Pilot is either not lighting or not stayin...

Page 27: ... 8653 8449 8250 8057 7869 7685 7507 90 7333 7165 7000 6839 6683 6531 6383 6238 6098 5961 100 5827 5697 5570 5446 5326 5208 5094 4982 4873 4767 110 4663 4562 4464 4368 4274 4183 4094 4006 3922 3839 120 3758 3679 3602 3527 3453 3382 3312 3244 3177 3112 130 3048 2986 2925 2866 2808 2752 3697 3643 2590 2538 140 2488 2439 2391 2344 2298 2253 2209 2166 2124 2083 150 2043 2004 1966 1928 1891 1856 1820 17...

Page 28: ...xi Commercial Division Wood Lane Erdington Birmingham B24 9QP Email andrews baxicommercialdivision com www andrewswaterheaters co uk Publication Date 1012 Sales 0845 070 1056 Technical 0845 070 1057 0087 ...

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