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Specifications

Model

kW

Volts

Phase

Amps

Minimum Breaker Size

Wire Size (Amps)

LEB-3

3

240

1

12.5

20

16

LEB-4

4

240

1

16.7

30

24

LEB-5

5

240

1

20.8

30

24

LEB-6

6

240

1

25.0

40

32

LEB-7

7

240

1

29.2

40

32

LEB-8

8

240

1

33.3

50

40

LEB-9

9

240

1

37.5

50

40

LEB-10

10

240

1

41.7

60

48

Control Voltage 24 Volts AC
Tank Capacity – Approx. 1 Gallon
Shipping Weight – about 50 pounds
Inlet and Outlet pipe size 3/4” NPT
Pump Switch Rating, 120 Volt, 1 HP
Floor heating temperatures are  generally 90º F to 110º F
Minimum Recommended Operating Pressure 12 PSI

Warning:   The   control   transformer   is   sized   to   power   only   the   internal
controls. External devices must be powered from a separate power source.

New Boiler Inspection

All Boilers are inspected and tested at the factory prior to shipment. On receipt of your new
boiler, be sure to check for any damage that may have occurred during shipping. Any such
damage should be reported to the carrier immediately.

Never install a damaged boiler.

Unpacking

The Boiler is shipped to you in one carton, which contains the boiler, a pressure & temperature
gauge, pressure relief valve, air vent, and fittings.

4

Summary of Contents for LEB Series

Page 1: ...an appropriate antifreeze Do not use any other liquids especially methanol automotive antifreeze or any kind of oil Do not exceed 50 antifreeze TM LION BOILERS LEB Series Boiler Installation Manual LE...

Page 2: ...2...

Page 3: ...cy for the additional load of the boiler All models require connection of 240 volt single phase power to terminals L1 and L2 and connection of a neutral conductor to the N terminal see Fig 4 Introduct...

Page 4: ...tures are generally 90 F to 110 F Minimum Recommended Operating Pressure 12 PSI Warning The control transformer is sized to power only the internal controls External devices must be powered from a sep...

Page 5: ...circuits are used valves are usually required to balance the flow in each circuit to provide uniform heating A zoned heating system is also possible with separate heating zones and individual thermost...

Page 6: ...e pressure relief valve slope downwards and the end must be open to the atmosphere The discharge line should terminate at a drain 6 inches above the floor level 6 Install inlet and outlet piping 7 An...

Page 7: ...zoned systems where the thermostat is controlling a zone valve or circulation pump and not the boiler the anticipator should be set to match the current draw of the zone valve being used This setting...

Page 8: ...the thermostat wires until the entire system is full of water and thoroughly purged of air The automatic air vent is to assist in removing air from the top of the tank to prevent elements from burnin...

Page 9: ...cipator setting Check pump circulation Boiler operates continuously Check anticipator setting Boiler noisy Oversized pump Flow rate too high Flow rate too low Pump location incorrect Boiler not heatin...

Page 10: ...oiler The obligation of the Manufacturer to repair replace or refund the purchase price exists provided the defective part or complete unit is returned to the Manufacturer ANY AND ALL TRANSPORTATION C...

Page 11: ...ITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED FROM THIS LIMITED WARRANTY THE MANUFACTURER S LIABILITY ON ANY CLAIM OF ANY KIND INCLUDING NEGLIGENCE WITH RESPECT TO THE GOODS OR SE...

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Page 17: ...uity Replace with a new fuse of the correct type if necessary b Otherwise replace the existing fuse 3 Check that there is 24 volt AC power on the secondary side of the transformer This is where the tw...

Page 18: ...eeds to be replaced c If they still do not come on then the control board needs to be replaced d If the element relay indicator lights come on but the power relays do not come on then the high limit c...

Page 19: ...sable to also change the relay connected to that element If you have gone through the above steps and the boiler is still not working please contact us for assistance Concept Manufacturing Inc Box 230...

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