Energy Tech Laboratories F3, 40 Series, CL Series, F5 manual Operation, LEd error codes

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To read boiler settings, press the I key to read the parameter of interest. For example, press I High Limit (HL) is displayed, followed by a three-digit number, i.e., 220, followed by °F or °C. Pressing the I button again (on L7224 models) will display the Low Limit (LL) followed by a three-digit number and the corresponding degree designator. See Display Readout, Figure 23.

After approximately 60 seconds without any key presses, the display will enter a dim display mode. To return to the bright display mode, simply press any key.

Figure 23: Display Readout Definitions

6.OPERATION

The L7224 model can be in any of four operational states - Normal, High Limit, Low Limit and Error. The controller moves back and forth from High Limit to Normal to Low Limit state as part of normal operation.

The L7248 model is restricted to three operational states - Normal, High Limit and Error. The controller moves back and forth from High Limit to Normal state as part of normal operation.

For both models, the controller will enter the Error state when there is an abnormal condition. The operating states are:

a.Normal: Boiler temperature went below the High Limit setting (minus the Differential) and has not exceeded the High Limit setting; or the boiler temperature went above the Low Limit setting and has not gone below the Low Limit setting (minus the Differential).

b.High Limit: Boiler temperature went above the High Limit setting and has not dropped below the High Limit setting (minus the Differential).

c.Low Limit: Boiler temperature went below the Low Limit setting (minus the Low Limit Differential) and has not gone above the Low Limit setting.

d.Error: The controller has detected an error condition (e.g., open sensor) and has shut down the burner output. The ZC output is energized. The controller continues to monitor the system and automatically restarts if the error condition clears. Refer to Table 6. Refer to Table 8 for Trouble Shooting Guide.

Table 6: LEd error codes

Error

Cause / Action

Code

 

Err1

Sensor fault; check sensor.

Err2

ECOM fault; check EnviraCOM™ wiring.

Err3

Hardware fault; replace control.

Err4

B1 fault; check B1 wiring/voltage.

Err5

Low Line; check L1-L2, 110 Vac.

Err6

Fuse; check ECOM wires, replace fuse.

Err7

EEPROM, HL, LL, Hdf, Ldf; reset to default

values. Restore desired settings.

 

Err8

Repeated B1 fault (voltage present at B1 when

output is turned off); check B1 wiring/voltage.

 

The operating sequence for the L7224/L7248 is shown in Table 7.

Table 7: L7248/L7224 Controller Operating Sequence

Action

System Response

Thermostat

Circulator starts when water temperature

calls for heat.

is above Low Limit setting (if applicable).

 

Boiler temperature is checked. Burner

 

starts when water temperature is below

 

High Limit setting.

Boiler

Burner is turned off. Burner restarts when

exceeds the

the water temperature drops below the

High Limit.

High Limit setting minus the Differential.

Thermostat is

Circulator and burner turn off.

satisfied.

 

Error

If an error condition is detected, all outputs

condition 1-5.

except ZC are shut down. Burner is off.

 

Control continues to function and restarts

 

when error is corrected.

 

During the error check sequence, the

 

system checks for drift in the sensor and

 

corrosion in the connections.

Error

EnviraCOM communication is not

condition 6.

available.

Error

The control has reset the High Limit, Low

condition 7.

Limit and Differential setting to a default

 

setting and will continue to run at those

 

settings.

 

Performance of the system will be

 

degraded.

Error

If the error condition is detected, all

condition 8.

outputs except ZC are shut down. Burner

 

is off. Control continues to function and

 

restarts when all three user keys have

 

been pressed longer than 60 seconds.

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Contents Price $3.00 Important Information Please Read this page Carefully Page General Information Table of ContentsCL3 Thru CL5 Water Boiler Less Tankless Heater Boiler Dimensions Minimum Chimney Size Approx. Water Rating data Remove Crate II. Installation InstructionsRemoval of Boiler from Skid Inspect Combustion Target Wall and Combustion Chamber LinerInstallation/Removal of Drawer Assembly Electrode Setting Recommended Boiler Piping for Series Loop Hot Water System Connect Supply and Return Piping to Heating System Connect Field WiringSteam Boiler Water BoilerOxygen Contamination Schematic Tankless Heater Piping Tankless Heater Data Recommended Smokepipe Arrangement Chimney Requirements Single stage units 3450 rpm two pipe systems Fuel Units and OIL LinesSequence of Operation Wiring Diagram, Water without Tankless Heater, Riello Burner Sequence of Operation Page Sequence of Operation Page Indirect Water Heater Piping on CL Series Water Boiler III. Indirect Water Heater PipingLubrication IV. Operating and Service InstructionsDisplay Readout Operation LEd error codesHigh Limit Controller Remove GUN AssemblyLOW Limit and Circulator Controller Open ALL OIL Line Valves Adjust OIL Burner Before StartingStart OIL Burner CAD Cell Location and Service Adjust OIL Burner While OperatingCheck for Clean CUT OFF of Burner Flame FailureTest Controls Checkout ProcedurePrimary Relay Test Remove JumperMaintenance and Service Instructions Water Boilers Hints on Combustion Excessive MAKE-UP WaterSuction Line Leaks High Altitude Installations Clean TOP of Boiler Sections VI. Boiler CleaningClean the Firebox Reassemble BoilerAvoid Breathing Fiber Particulates and Dust Carlin 40200 OIL Primary Control Trouble Shooting Carlin 40200 Oil Primary ControlVII. Repair Parts Bare Boiler Assembly Exploded View Boiler Assembly Jacket Assembly Exploded View CL3 Thru CL5 Water Boilers Trim and Controls CL3 Thru CL5 Steam Boilers Trim and Controls Beckett OIL Burner Parts List Beckett OIL Burner Part NOS. for CL Series Boilers When VIII. Low Water Cut Off LwcoBeckett AFG Riello OIL Burner Part Numbers for CL Series BOILERS  Service Record Service Record Service Record Page Limited Warranties

F3, F5, 40 Series, CL Series specifications

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