Filter
Top Products
R7140G,L,M BURNER CONTROL MODULES
17 66-1153—03
Fig. 12. Sample block diagram of field wiring for the R7140L1009, used for
replacing R4140L Programmers with pre-ignition interlocks.
RECTIFYING FLAME
ROD,OR
INFRARED
(LEAD SULFIDE)
FLAME DETECTOR
C7027A, C7035A, OR
C7044A ULTRAVIOLET
FLAME DETECTOR
C7061, C7927 OR
C7076A, D
ULTRAVIOLET
FLAME DETECTOR
HIGH FIRE
SWITCH
LOW FIRE
SWITCH
BURNER MOTOR
(BLOWER)
MAIN FUEL
VALVE(S)
10 SECOND
INTERRUPTED
PILOT/IGNITION
15 SECOND
INTERRUPTED
PILOT/IGNITION
IGNITION
TRANSFORMER
LOCKOUT
INTERLOCKS
(INCLUDING
AIRFLOW SWITCH)
PREIGNITION
INTERLOCKS
BURNER
CONTROLLER
120V ALARM
MASTER
SWITCH
120V, 60 HZ
POWER
SUPPLY
L1 (HOT)
L2
TO
MAIN FUEL VALVE
L2
5
6
7
FOR DIRECT SPARK IGNITION (OIL OR GAS)
5
6
7
8
G
L1
L2
12
13
F
3
4
9
10
11
W
R
B
W
R
B
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
WIRING
SUBBASE
TERMINAL
STRIP (4)
LIMITS
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
USE ALL NEC CLASS 1 WIRING.
FOR DIRECT SPARK IGNITION (OIL OR GAS) CONNECT THE IGNITION
TRANSFORMER AND MAIN FUEL VALVE(S) AS SHOWN IN INSET.
FOR THE C7015A INFRARED (LEAD SULFIDE) FLAME DETECTOR, EITHER
LEADWIRE CAN BE CONNECTED TO THE F TERMINAL. RUN THE C7015A
LEADWIRES ALONE IN CONDUIT ALL THE WAY TO THE WIRING SUBBASE
AND GROUND THE CONDUIT AT THE SUBBASE. (REFER TO PUBLICATION
60-2306 FOR DETAILED INSTRUCTIONS.)
1
1
2
2
3
4
5
6
7
L2
C7061 OR C7076 MUST BE RATED FOR 120 V, 60Hz. TWO DETECTORS
WITH THE SAME MODEL NUMBER CAN BE WIRED IN PARALLEL TO
THE SAME TERMINALS. C7076A, D DOES NOT HAVE LEADWIRES. (FOR
INSTRUCTIONS, SEE FORM NUMBERS: 60-2046 FOR C7012A, C MODELS
WITH ELECTRON TUBES; 60-2044 FOR C7012A,C,E,F SOLID STATE
MODELS; 95-8269 FOR THE C7076A.)
WHITE SHUTTER LEADWIRES ARE ONLY ON THE C7061A, E
ULTRAVIOLET FLAME DETECTORS; C7076A, D ADJUSTABLE SENSITIVITY
ULTRAVIOLET FLAME DETECTORS DO NOT HAVE LEADWIRES.
TERMINAL 17 IS USED ONLY FOR THE SHUTTER ON SELF-CHECKING
C7061A, E, F OR C7076A, D FLAME DETECTORS.
18
17
16
15
14
7
4
5
4
6
BLUE
BLUE
WHITE
WHITE
WHITE
YELLOW
OR
OR
M22610
HIGH FIRE
COMMON
MODULATE
LOW FIRE
SERIES 90
CONTROLLER
SERIES 90
FIRING RATE
MOTOR
JUMPER