Electrical System; Electrical Connections - Roca TECNO 190-L Instrucciones De Instalación, Funcionamiento Y Mantenimiento

ELECTRICAL EQUIPMENT FACTORY-SET
(A)

ELECTRICAL CONNECTIONS

(B)

ELECTRICAL SYSTEM

ELECTRICAL SYSTEM as set up by the manu-
facturer
LAYOUT (A)
Burner TECNO 190L
• Model TECNO 190L leaves the factory preset
• If 230 V power supply is used, change the
Key to Layout (A) - (B)
CMV
FR
I1
I2
MB
MV
RMO88.53A2 - Control box
RT
TA
TB
V1
V2
VS
XP1
XP4
XP7
D3229
NOTE
For remote-reset, connect a push-button switch
(NO) between terminal 4 and neutral of the con-
trol box (terminals 15, 16, 17 and 18).
ELECTRICAL CONNECTIONS
set by installer
Use flexible cables according to regulation EN
60 335-1:
• if in PVC boot, use at least HO5 VV-F
• if in rubber boot, use at least H05 RR-F.
All the cables to be connected to the burner ter-
minal strip 8)(B) must be routed through the fair-
leads.
The fairleads can be used in various ways. One
example is given below:
1- Pg 13,5
2- Pg 9
3- Pg 11
4- Pg 13,5
D3312
7
for 400 V power supply.
motor connection from star to delta and
change the setting of the thermal cut-out as
well.
- Motor contactor
- Photocell
- Switch: burner off - on
- Switch: 1st - 2nd stage operation
- Terminal strip
- Fan motor
- Thermal cut-out
- Ignition transformer
- Burner ground (earth) connection
- 1st stage solenoid valve
- 2nd stage solenoid valve
- Safety solenoid valve
- Connector for STATUS
- 4 pole socket
- 7 pole socket
Three-phase power supply
Set up for faird lead
Set up for faird lead
Set up for faird lead