13
Factory Wiring Diagram
RL70 - 130 three phase with burner mounted Siemens LAL control
D2428
(A)
LAYOUT (A)
Burners RL 70 - 100 - 130
The flame safeguard is on burner mounted
•
Models RL 70 - 100 - 130 leave the factory preset for 208-230
V power supply.
•
If 460 V power supply is used, change the motor connection
from delta to star and change the setting of the thermal over-
load.
Key to Layout (A)
CMV
- Motor contactor
DA
- Control box
FR
- Photocell
I1
- Switch: burner off - on
I2
- Switch: low - high fire operation
MV
- Fan motor
MB
- Burner terminal strip
P
- Air pressure switch
TA
- Ignition transformer
TB
- Burner ground (earth) connection
V1
- Low fire solenoid valve
V2
- High fire solenoid valve
VS
- Safety solenoid valve
RT
- Thermal relay
D2872
Continuous fan operation
Change the wire connection from terminal 7 to terminal 1, remove the jumper between terminals 12-13 and
the wire from terminal 13 of control box.
