Equipment; Installation; Key To Lay-Out; Remote Reset Connection - Riello MG569 Manual

CONTROL BOX MG569
The new control box MG569 is installed on either single or dou-
ble stage burners, (see fig. 1).

EQUIPMENT

Control box MG569 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N° 1
Leads RS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N° 1
Leads SO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N° 1
Protection V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N° 1
Assembly connection (only for code 3002949) . . . . . . . . . N° 1
Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N° 1
ATTENTION
The assembly connection (fig. 6, page 2) must be used only if
a control box model 525SE/G, 566SE, 566SE Rev. 1 and
566SE Rev. 2 needs to be replaced.

INSTALLATION

Trained personnel must carry out the substitu-
tion of the control box.
It is necessary to switch off the main power sup-
ply before effecting any substitution.
To install the new MG569 control box, it is necessary
to use the diagram below.
MG569
568 - 569
566SE Rev. 3
525SE/G - 566SE
566SE Rev. 1 and Rev. 2
To install, proceed as follows:
®
Unscrew the fixing screws and remove the burner cover.
®
Disconnect all connections, the 7-pin plug, the ioniza-
tion probe, the H.T. lead and the earth wire from the
control box.
®
Remove the control box from the burner by unscrewing
the screws ( A, fig. 3 ) and pull in the direction of the ar-
row.
®
Install the new control box supplied by fastening it to the
burner by the screw (A, fig. 3), with a torque wrench set-
ting of 1 – 1.2 Nm.
®
Reconnect all connections, the 7-pin plug and the earth
wire.
REMOTE RESET CONNECTION, (fig. 4)
If the burner has a remote reset, you must proceed as fol-
lows:
®
Cut the existing socket-connection.
®
Carry out the new connection (RS, see electrical wiring
page 3).
®
Connect a button at 20 m. max.
3008
RS
MG569
MG569 + Assem-
bly connection
1 GB
RS
Fig. 2
R
2
=
A
N L2 N
SO V2 PA
KEY TO LAY-OUT, (fig. 2)
SM - Servomotor (for burners designed)
PG - Gas pressure switch
MV - Motor
st
V1 - 1 stage valve
PA - Air pressure switch
V2 - Protection
SO - Ionisation probe
RS - Remote reset
Fig. 3
A
Fig. 4
3002949
3002967
SO
Fig. 1
E9249
S2 S1
A B
1
M
=
G
N
C
V1 MV SM PG
E9263
E9250
E9242