3.ELECTRICAL DIAGRAMS

LEGEND:

A: JUMPER

When needed, the P.C.B. allows the different options to be selected by means of a wire link.

The boiler has the following basic arrangement:

1OPEN

2CLOSED (jumper)

3OPEN

4OPEN

5OPEN

6OPEN

7CLOSED

8OPEN (MFFI); CLOSED (SYSTEM)

NOTE: under absolutely no circumstances must jumpers 2, 7 and 8 be removed. The opening of such contacts will lead to boiler malfunction.

This is the factory configuration. It is recommended that this set-up not be changed, unless under the following particular circumstances:

JUMPER 3: if the contact is closed, the Secondary Output (flying clamp connected to connection C7; positions 1-9) controls a LPG valve (optional).

JUMPER 4: if the contact is closed, the continuous operation of the pump is selected. If the contact remains open, it has no effect and there is no change in the operation of the boiler.

JUMPER 5: if the contact is closed, the signal transmitted by the connection of the secondary output clasp (connected to C7; positions 1-9) relates to a secondary pump (optional). If the contact remains open, the output signal controls a zone valve (optional).

JUMPER 6: not used JUMPER 7/8:

 

 

 

 

 

 

 

 

 

 

 

7

 

 

8

 

 

CONFIGURATION

 

 

 

N.I.

 

 

N.I.

 

 

Central heating only

 

 

 

I.

 

 

N.I.

 

 

MFFI

 

I = inserted (contact closed)

 

N.I.

 

 

I.

 

 

Not used

 

 

 

 

 

 

 

N.I = not inserted (contact open)

 

I.

 

 

I.

 

 

RFFI System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: it is essential that the operations involving setting of the jumpers be carried out only with the device turned off.

B:Control microprocessor

C:Flame detection jumper (under no circumstances should this jumper be moved from the 1-2 position)

D:Anti-cycling device (RA)

E:Maximum heating output regulation (PR)

F:Soft-light regulation (RLA)

G:Operating mode selector knob

H:Heating temperature adjustment

I:Domestic hot water temperature adjustment

J:Remote control module

K:Main microprocessor

L:Relay

M:Fuses (2 x 0.54 A SLOW)

N:Transformer (PRI: 230V-50Hz; SEK: 10V-0,8VA; SEK:10V-3,5VA; SEK:10V- 3,5VA;)

O:Fuses (2 x 3.15 A SLOW)

P:Earth

Q:Spark generator

R:Connection to the main P.C.B.

S:Comfort light

T:Programming keys

U:Comfort key

V:Alpha-numeric display

X:Set and reset key

W:Connection to PC

24

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Image 48
Ariston 47-116-17 installation instructions Electrical Diagrams, Jumper

47-116-17 specifications

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