Installation - Riello MO550-BWG Instrucciones De Instalación, Uso Y Mantenimiento

2

Installation

The MO550-BUWG control box is installed on the burners with
exclusive use of the 2-wire flame sensors, of the FD01 range.
Burner equipment
Control box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Safety lockout device SER . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Safety lockout device V2 . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Safety lockout device RS and connection . . . . . . . . . . . . . No. 1
Bridge socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
To install the new MO550 - BWG control box, it is necessary to
use the diagram below.
MO 550 - MWG
MO 550 - BWG
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 bridge socket must be installed on the con-
trol box only for burners not equipped with a light
oil heater.
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.

MO 550 - BWG
S9675
Installation
E9288
R
N L2
N
RS SER V2
Key to layout (Fig. 2)
- Thermostat enabling start-up after pre-heating (only for
K
suitable applications)
- Oil heater (only for suitable applications)
PH
MV - Fan motor
- Oil valve 1st stage
V1
- Flame sensor
F
- Oil valve 2nd stage
V2
SER - Safety lockout device
- Remote reset
RS
To install, proceed as follows:
 unscrew the fixing screws and remove the burner cover.
 disconnect all connections, the 7-pin plug, the probe con-
nector, the high voltage cables and the earth wire from the
control box.
 disconnect the control box from the burner by loosening the
screw A) (Fig. 3) and pulling in the direction of the arrow.
Fig. 1
 Install the new control box supplied, fixing it to the burner
with the screw A)(Fig. 3) and using a tightening torque of
1 - 1.2 Nm.
 reconnect all connections, the 7-pin plug and the earth wire.
3
GB
S9674
2 1 A M
S N
C
F V1 MV
A
E9275
B
PH K
Fig. 2
Fig. 3
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