LF Bros 110V-12-24V 5KW Diesel Heater Installation Guide

LF Bros 110V-12-24V 5KW Diesel Heater

Display Icon Description

Switch Operation Instructions

• Pumping Mode
  After the initial installation of the split heater, please fill fuel to the oil circuit first. The heater could be ignited normally only when the diesel flows into the burner from the tank

Operation Method:

Press the power button “ ” and the mode button “ ” at the same time when the heater is in off status, the screen lights up and shows Polr. Release the button, pumping mode will be turned on after the buzzer sound once.
After 80 seconds, the oil pump goes into fasting pumping status (pumping 500 times). The heater will ignite and start to operate automatically after pumping the diesel into the burner. The screen will display P–1 as figure 3 if the diesel wasn’t pumped into the burner, press “ ” button if it happens, and the system will start the pumping procedure again.
The number of times you start fuel pumping mode depends on the length of the the oil pipe. You will figure out if it works properly by observing the filling processing of the oil tube.

Note: Please note this process applies to the initial installtion of the spilt type and when there is no fuel in the oil pipe only. Do not use it normally in case the combustor chamber been flooded.

Turn on/off the heater

1. Short Press the power button” ” in off status as figure 4 shows, when the screen lights up and the buzzer sounds once only, release the button and the heater is turned on.
   Then the screen will displays the operating status of the main parts one by one, motor activated, ignition pin activated. The pump will be activated after 80 seconds. Ignigition succeedd when the screen show the flame icon, and then goes into preheat and self -test process.

2. Long press the power button” ” for more than 3 seconds in standby status, and the screen will display “off” as figure 5 shows. The heater goes into shutting down and heat dissipation procedure. After the heat dissipation complete, the screen will turn off and the heater stop operating.

Note: It is forbidden to cut off the power during the shutting down process.

Mode Setting

Short press the setting button when the heater is at standby status to swtich the mode. Press the button “ ” to turn up and the button “ ” to turn down.

1. It is Power mode when the screen displays P1.4-5 as figure 6. The heater will work at the set power value to heating continuously.
2. It is Temperature mode when the screen displays t10 °C ~ 30°C. The heater will automatically heating in variable frequency mode after the temperatue is set.
   When temperature reaches set temperature, the heater will continue operating at the lowest power 1.4KW(Figure 7)

Note: The 2 mode types can only be switched, but not been used at the same time. The heater will operate as the mode you set last time.

Remote controller Pairing

Please press the off button when the heater is in off status, and then press the “Time” button on the witch. The controller and the switch pairs successfully after the screen displays 433 as figure 9 and the buzzer sound once.

Note: The heater has been paired with the controller before delivery, no operation needed.

Clock Setting

Long press the rotary swich when in off status, then the clock icon on the screens shows up. Press the rotary button 3 times in a row in quick sucession, then figures 1-24 starts blink (operate this step in 3 seconds). At this time, rotate the button once to the left, and the clock icon starts blink. Long press the rotary button, rotate and adjust the button to the number you want when the hour positin starts blink. After hour has been set, short press the rotary button, the minute position starts blink and rotate to set minute. Set the time same as local time and wait for 5 seconds, setting complete.

Timer Setting-Single time period
Long press the rotary swtich when in off status, then the clock icon on the screens shows up. Press the rotary button 3 times in a row in quick sucession, then figures 1-24 starts blink (operate this step in 3 seconds). The 24 figures indicates 24 hours, set the time you want the heater to operate.

For example: We need to have the heater starts woring at 7am, rotate the button to the right to figure “7”. Short press the rotary button, there will be a yellow line under figure “7”, wait for 5 seconds to let the setting complete.

Timer Setting-Multiple time periods

Longstsar in hicksuisit ten huts lets on the eat home un setso tay 24 figures indicates 24 hours, set the time period you want the heater to operate.

1. Operating continuously:
   For example: We need to have the heater starts woring from 7 to 9 continuously, rotate the button to the right to figure ”””. Short press the rotary button, there will be a yellow line under figure ””’*, and then to figure 8 and 9 respectively, wait for 5 seconds to let the setting complete.

2. Operating discontinuously.
   For example, we don’t neet the heater work at 8 am, find figure ”””’
   Fine espears. Wait tor stonest changure d disappears, storing complete. The heater he seal o work at 7am, shut down at 8am and restart at 9am

Turn off the Timer
Long press the rotary button when “Clock”is in off condition. Buzzer sound once and the screen lights out.

FAULT CODE

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