Riello RS 70 Instrucciones De Instalación, Funcionamiento Y Mantenimiento página 12

(A)
RS 70-100-130 without leak detection control device
(B)
RS 70-100-130 with leak detection control device VPS
(C)
RS 70
220V 380V
F A T10 T6
L 2 1.5 1.5
mm
(D)
RS 100 RS 130
220V 380V 220V
T20 T10 T20
2.5 1.5 2.5
ELECTRICAL CONNECTIONS
Use flexible cables according to EN 60 335-1
Regulations:
• if in PVC sheath, use at least H05 VV-F
• if in rubber sheath, use at least H05 RR-F.
All the wires to connect to the burner terminal
strip 9)(A) must enter through the supplied fair-
leads.
The fairleads and hole press-outs can be used
in various ways; the following lists show one
possible solution:
1 - Pg 13,5 Three-phase power supply
2 - Pg 11
3 - Pg 11
D955
4 - Pg 9
5 - Pg 13,5 Gas valves
6 - Pg 13,5 Gas pressure switch or gas valve
7 - Pg 11
8 - Pg 9
LAYOUT (B)
Electrical connection RS 70-100-130 burn-
ers without leak detection control device.
LAYOUT (C)
Electrical connection RS 70-100-130 burn-
ers with VPS leak detection control device.
Gas valve leak detection control takes place
immediately before every burner start-up.
Fuses and cables cross-section layouts (B) and
(C), see table (D).
Cross-section when not indicated: 1,5 mm
KEY TO LAYOUTS (B - C)
20083619
IN - Burner manual stop switch
XP- Plug for leak detection control device
MB- Burner terminal strip
PG- Min. gas pressure switch
S - Remote lock-out signal
S1 - Remote lock-out signal of leak detection
control device
TR- High-low mode load remote control system:
controls operating stages 1 and 2.
If the burner is to be set up for single stage
operation, replace of remote control device
TR with a jumper.
TL - Load limit remote control system:
shuts down the burner when the boiler tem-
perature or pressure reaches the preset
value.
TS - Safety load control system:
operates when TL is faulty
VR- Adjustment valve
VS- Safety valve
20083622
380V
T10
1.5
10
Single-phase power supply
Remote control device TL
Remote control device TR
leak detection control device
Open the hole, if a pipe union is to
be added
Open the hole, if a pipe union is to
be added
2
.