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R4140G FLAME SAFEGUARD PROGRAMMING CONTROLS
60-2337—3
24
Fig. 15. Sample block diagram of field wiring for R4140G1007, R4140G1015 and R4140G1106 Programmers.
RECTIFYING FLAME
ROD, RECTIFYING
PHOTOCELL, OR
INFRARED
(LEAD SULFIDE)
FLAME DETECTOR
C7027A, C7035A, OR
C7044A ULTRAVIOLET
FLAME DETECTOR
C7012A,C,E,F
OR C7076A
ULTRAVIOLET
FLAME DETECTOR
LOW FIRE
SWITCH
BURNER MOTOR
(BLOWER)
MAIN FUEL
VALVE(S)
10 SECOND
INTERRUPTED
PILOT/IGNITION
30 (OR 15) SECOND
INTERRUPTED
PILOT/IGNITION
RUNNING
INTERLOCKS
(INCLUDING
AIRFLOW SWITCH)
PREIGNITION
INTERLOCK(S)
BURNER
CONTROLLER
120V ALARM
MASTER
SWITCH
120V, 60 HZ
POWER
SUPPLY
L1 (HOT)
L2
5
6
7
8
G
L1
L2
12
13
F
3
4
9
10
11
W
R
B
W
R
B
WIRING
SUBBASE
TERMINAL
STRIP (4)
LIMITS
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
USE ALL NEC CLASS 1 WIRING.
10 SECOND MAIN BURNER FLAME-ESTABLISHING PERIOD.
30 SECOND MAIN BURNER FLAME-ESTABLISHING PERIOD (MBFEP) ON
THE R4140G1007 and R4140G1015 MODELS; 15 SECOND MBFEP ON
THE R4140G1106 MODEL.
FOR DIRECT SPARK IGNITION (OIL OR GAS) CONNECT THE IGNITION
TRANSFROMER AND FUEL VALVE(S) AS SHOWN IN THE 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
3
4
5
6
7
8
9
L1
L2
L2
C7012 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 DOES NOT HAVE LEADWIRES. (FOR
INSTRUCTIONS, SEE FORM NUMBERS: 60-2046 FOR C7012A,C MODELS
WITH ELECTRON TUBES; 60-2044 FOR C7012E,F MODELS WITH ELECTRON
TUBES; 60-2398 FOR C7012A,C,E,F SOLID STATE MODELS; 95-8269 FOR
THE C7076A.)
WHITE SHUTTER LEADWIRES ARE ONLY ON THE C7012E OR F PURPLE PEEPER
ULTRAVIOLET FLAME DETECTORS WITH SELF-CHECKING FEATURE; C7076A
ADJUSTABLE SENSITIVITY ULTRAVIOLET FLAME DETECTORS DO NOT
HAVE LEADWIRES.
TERMINAL 17 IS USED ONLY FOR THE SHUTTER ON SELF-CHECKING
C7012E,F OR C7076A FLAME DETECTORS.
18
17
16
15
14
9
6
7
7
5
10
BLUE
BLUE
BLACK
BLACK
WHITE
WHITE
WHITE
YELLOW
OR
OR
M10131
IGNITION
TRANSFORMER
JUMPER
MAIN FUEL
VALVE (S)
TO
L2
5
6
7
FOR DIRECT SPARK IGNITION (OIL OR GAS)
HIGH FIRE
COMMON
MODULATE
LOW FIRE
SERIES 90
CONTROLLER
SERIES 90
FIRING RATE
MOTOR