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Fig. 2—RA116A wiring diagram with 24V, 3-wire
thermostat.
L2
1
IGNITION
RA116A
2
2
SERIES 10
THERMO-
STAT
SAFETY
R
W
B
SWITCH
W
(T)
B
(T)
R
1K3
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
IF USING A TWO-WIRE THERMOSTAT, TAPE LOOSE ENDS OF RED
WIRE (IF NECESSARY).
3
USE GREEN TERMINAL TO CONNECT CONTROL CASE TO GROUND.
Fig. 3—RA116A wiring diagram with line voltage
thermostat or controller.
L2
1
IGNITION
RA116A
2
SAFETY
SWITCH
W
JUMPER
(T)
B
(T)
R
1K3
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
USE GREEN TERMINAL TO CONNECT CONTROL CASE TO GROUND.
BURNER
MOTOR
HIGH
LIMIT
OIL VALVE
G
3
3
1K1
1K2
1K
PYROSTAT
CONTACTS
LINE VOLTAGE
THERMOSTAT OR
CONTROLLER
BURNER
MOTOR
OIL VALVE
G
3
2
1K1
1K2
1K
PYROSTAT
CONTACTS
3. Open the hand valve in the oil supply line.
4. Set the limit control and thermostat to call for heat.
5. Close the line switch. The burner should start.
L1
CHECK THE SAFETY FEATURES
(HOT)
1
Simulate flame failure:
1. Follow the starting procedure to turn on the burner.
2. Close the hand valve in the oil supply line.
3. Notice the RA116A locks out after 75 second (nomi-
nal) safety switch timing.
4. Reset the safety switch and open the hand valve in
the oil supply line.
Simulate ignition failure:
1
1. Follow the starting procedure to turn on the burner,
but do not open the oil supply hand valve.
2. Notice the safety switch locks out after 75 second
(nominal) safety switch timing. Ignition and burner motor
stops and oil valve closes.
3. Reset the safety switch and open the hand valve in
SAFETY
the oil supply line.
SWITCH
HEATER
Simulate power failure:
1. Follow the starting procedure to turn on the burner.
2. With the burner running, trip the circuit breaker or
remove the fuse to turn off power to the system. The burner
should stop.
3. Restore power. The burner should restart.
Fig. 4—Stepping Pyrostat detector contacts.
M1585A
L1
(HOT)
1
HIGH
LIMIT
1
SAFETY
SWITCH
HEATER
M1583
3
PULL LEVER
FORWARD 1/4 INCH
AND RELEASE SLOWLY
M1588A
69-0650B
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