Installation - Riello MG569-BWZG Installation, Use And Maintenance Instructions

2

Installation

The MG569-BWZG control box is installed on one-stage and two-
stage burners.
Burner equipment
Control box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Safety lockout device V2 . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
RS safety lockout device and connection. . . . . . . . . . . . . . No. 1
SO Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Connection assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
To install the new MG569 - BWZG control box, it is necessary to
use the diagram below.
MG569
568 - 569
566SE Rev.3
MG569 - MWZG
MG569 - BWZG
525SE/G - 566SE
566SE Rev. 1 and Rev. 2
All the installation, maintenance and dismantling
operations should be performed voltage free.
The replacement of the control box must be per-
DANGER
formed by qualified personnel, as indicated in this
manual and in accordance with standards and
regulations in force.
The connection assembly (Fig. 5) must only be
used if it is necessary to replace a control box
model 525 SE/G - 566 SE - 566 SE Rev. 1 and
Rev. 2.
WARNING
The control box replaces the parts code 3002949
and code 3002967.
WARNING
Connecting the remote reset
Make the connection with the RS lead supplied
with the burner.
WARNING
Connect a button at a max. distance of 20 metres.

MG569 - BWZG

MG569 - BWZG + Assem-
bly connections
S9675
Installation
R
N L2
RS SO
Key to layout (Fig. 2)
PG - Gas pressure switch
PA - Min. air pressure switch
MV - Fan motor
V1 - Gas valve 1
V2 - Gas valve 2
SM - Servomotor (for prepared burners)
SO - Ionisation probe
RS - Remote reset
Fig. 1
3 GB
S9674
2 1 A
M
=
A
N N
V2 PA V1 MV
st
stage
nd
stage
S2 S1
B
=
G
C
SM PG
E9263
Fig. 2
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