Ferroli LEB 12.0-TS, User And Installation Manual

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Content
1. User instructions.......................................................................................1
1.1. Introduction ......................................................................................1
1.2. Safety of goods and persons ...........................................................1
1.3. Control panel ...................................................................................2
1.4. Keys functions .................................................................................3
1.5. Faults remedy ..................................................................................4
1.6. Functions..........................................................................................4
1.7. Menu.................................................................................................6
1.8. Filling of the installation ...................................................................7
2. Mounting ..................................................................................................8
2.1. Operating conditions and mounting location ....................................8
2.2. Mounting the heating unit ................................................................9
2.3. Water pipes connection ...................................................................10
A. Water pipes mounting .........................................................................10
B. Water quality in the hydraulic system .................................................10
C. Frost protection system, heat carrier, additive and anti-frost inhibitor 10
2.4. Performance of the electric connections ..........................................10
Power supply cable connection...............................................................10
Connection of the temperature controller for the rooms, of the 3-way valve
and of the NTC domestic hot water (DHW) tank temperature ................10
3. Service and repairs .................................................................................12
3.1. Commissioning ................................................................................12
Before starting the heating unit................................................................12
Starting the heating unit...........................................................................12
Operation check.......................................................................................12
Shut-down................................................................................................12
3.2. Maintenance ....................................................................................12
3.3. Repairs ............................................................................................13
Heating unit seasonal checks..................................................................13
3.4. Faults remedy ..................................................................................13
Diagnosis.................................................................................................13
4. Technical characteristics and parameters.................................................14
4.1. Dimensions and connections ...........................................................14
4.2. Heating unit general drawing and main components........................15
4.3. Hydraulic scheme ............................................................................16
4.4. Circulating pump diagram ................................................................17
4.5. Technical parameters........................................................................18
Recommended sections for circuit breakers and conductors..................18
4.6.
.......................................................19 Controller board wiring diagram
EN
4.7. ............................. ...............................20 Boiler wiring diagram ............