60-2034—7
6
RA890F
INSTALLATION
Fig. 4—Oil system with interrupted ignition.
M8753
1
2
3
4
5
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
IF LINE VOLTAGE CONTROLLER IS USED, CONNECT IT BETWEEN
THE LIMIT CONTROLLER AND TERMINAL 6. JUMPER T-T.
FOR INTERMITTENT IGNITION, CONNECT TO TERMINAL 3.
FOR RA890E REPLACEMENT, LEAVE POWER CONNECTED TO
TERMINAL 1. SUBBASE WIRING CHANGES ARE NOT REQUIRED.
SOME AUTHORITIES HAVING JURISDICTION PROHIBIT THE WIRING
OF ANY LIMIT OR OPERATING CONTACTS IN SERIES WITH THE
MAIN FUEL VALVES (S).
L1
(HOT)
L2
1
2
4
3
5
5
LIMIT
CONTROLLER
2ND STAGE OIL
VALVE(S) (IF USED)
IGNITION
BURNER
MOTOR
LOW VOLTAGE
CONTROLLER
6
T
T
F
G
2
2
1
3
4
5
POWER SUPPLY
RA890F
OIL VALVE(S)
TO FLAME
DETECTOR
(FLAME ROD OR
UV DETECTOR)
Fig. 5—Schematic of the RA890F.
L1
(HOT)
L2
2
1
2
6
7
7
4
3
5
3
1
2
3
4
5
6
7
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
RA890F IS POWERED AT TERMINAL 6 ONLY. WHEN REPLACING ANOTHER MODEL, LEAVE HOT LINE (L1) CONNECTED
TO TERMINAL 1, EVEN THROUGH IT IS NOT NECESSARY FOR OPERATION.
MAY USE LINE OR LOW VOLTAGE CONTROLLER. IF LINE VOLTAGE CONTROLLER IS USED, CONNECT IT BETWEEN THE LIMIT
CONTROLLER AND TERMINAL 6. JUMPER T-T.
FOR INTERMITTENT IGNITION, CONNECT TO TERMINAL 3.
OPENING OF A LIMIT CONTROL OR LINE VOLTAGE CONTROLLER INTERRUPTS ALL POWER TO THE CONTROL,
INCLUDING THE ELECTRONIC NETWORK.
ALL WIRING MUST BE NEC CLASS 1.
SOME AUTHORITIES HAVING JURISDICTION PROHIBIT THE WIRING OF ANY LIMIT OR OPERATING CONTACTS IN SERIES WITH
THE MAIN FUEL VALVES (S).
LOW VOLTAGE
CONTROLLER
TO FLAME
DETECTOR
THERMISTOR
ELECTRONIC
NETWORK
LINE VOLTAGE
CONTROLLER
LIMIT
CONTROLLER
MAIN GAS VALVE(S)
OR SECOND STAGE
OIL VALVE(S)
(IF USED)
INTERRUPTED
IGNITION
PILOT GAS VALVE (S),
OR BURNER MOTOR
AND DELAYED OIL
VALVE; INTERMITENT
IGNITION
MASTER
SWITCH
POWER
SUPPLY
TEST
JACK
SAFETY
SWITCH
2K3
1K4
1K2
SAFETY SWITCH
HEATER
1K1
2K2
2K1
M8754
5
4
3
1
2
G
T
T
F
6
1K3
RA890F
NOT
USED
2K
1K
WIRE JUMPER
(PILOT LINK)