VOKERA Linea Service Manual download pdf (Page 43)

Linea

FUNCTIONAL DIAGRAM

NOTE: L-N-E CONNECTION IS ADVISABLE

CONTROL SWITCHING OF TIME CLOCK AND ROOM THERMOSTAT IS 230 V.a.c.

R.T. Room thermostat

TS H Heat time switch

S.F.S. Domestic hot water flow switch

P.S. Pressure switch

H.L. Hight limit thermostat

S.R. Heat thermistor

S.S. Domestic hot water thermistor

MOD Modulator

F Fan

P Pump

3W 3 way motor

SP\SE E. Spark\Sense electrode

OPE Gas valve solenoids

B.C.B. Burner control board

B.E.B. Boiler control board

S.B. Secondary board

JP6 Pre-heating jumper

JP8 Natural gas or L.P.G. selector

JP9 Timer on- off selector

JP7 Room thermostat or remote control jumper

PT2 Central heating temperature control

PT3 Domestic hot water temperature control

PT1 (S.B.) Selection of 0-reset / winter - summer

DS1÷DS2 Temperature / alarm display

TA1 Combustion test

F1 Fuse 100 mA F (on 24V circuit)

F2 Fuse 2 A F (on 230 V circuit)

RL1 Ignition relay

RL2 Pump relay

RL3 3 way relay

IS01 Fan triac

L1 Led OK (green)

L2 Led alarm (blink red)

TRF1 Transformer

PAD Differential analogue pressure switch

T.B. Burner thermostat

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VOKERA Linea Service Manual Page 43