Honeywell R7140G Installation Instructions Manual page 16

R7140G,L,M BURNER CONTROL MODULES
2
WIRING
SUBBASE
TERMINAL
STRIP (4)
3
PREIGNITION
INTERLOCKS
BURNER
4
CONTROLLER
120V ALARM
9
HIGH FIRE
10
COMMON
11
B B
R R
MODULATE
LOW FIRE
W W
SERIES 90
SERIES 90
CONTROLLER
FIRING RATE
MOTOR
1
L1 (HOT)
120V, 60 HZ
POWER
L2
SUPPLY
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
USE ALL NEC CLASS 1 WIRING.
3 FOR DIRECT SPARK IGNITION (OIL OR GAS) CONNECT THE IGNITION
TRANSFORMER AND MAIN FUEL VALVE(S) AS SHOWN IN INSET.
4 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.)
Fig. 12. Sample block diagram of field wiring for the R7140L1009, used for
66-1153—2
LOCKOUT
INTERLOCKS
(INCLUDING
AIRFLOW SWITCH)
LIMITS L1
L2
12
13
F
MASTER
SWITCH
replacing R4140L Programmers with pre-ignition interlocks.
FOR DIRECT SPARK IGNITION (OIL OR GAS)
TO
L2
18
17
7
16
15
14
BLUE
BLUE
WHITE
WHITE
L2
C7061 OR C7076 MUST BE RATED FOR 120 V, 60Hz. TWO DETECTORS
5
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
6
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
7
C7061A, E, F OR C7076A, D FLAME DETECTORS.
16
IGNITION
5
TRANSFORMER
6
7
MAIN FUEL VALVE
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
10 SECOND
INTERRUPTED
PILOT/IGNITION
15 SECOND
INTERRUPTED
PILOT/IGNITION
MAIN FUEL
VALVE(S)
BURNER MOTOR
(BLOWER)
LOW FIRE
SWITCH
HIGH FIRE
SWITCH
RECTIFYING FLAME
ROD,OR
INFRARED
4 (LEAD SULFIDE)
FLAME DETECTOR
OR
WHITE
C7027A, C7035A, OR
C7044A ULTRAVIOLET
FLAME DETECTOR
OR
C7061, C7927 OR
YELLOW
C7076A, D
5
ULTRAVIOLET
FLAME DETECTOR
6
JUMPER
5
4
6
7
8
G
M22610