Honeywell R7140G Installation Instructions Manual page 11

2
WIRING
SUBBASE
TERMINAL
STRIP (4)
3
PREIGNITION
INTERLOCK(S)
BURNER
4
CONTROLLER
120V ALARM
9
HIGH FIRE
10
COMMON
11
B B
R R
MODULATE
LOW FIRE
W W
SERIES 90 SERIES 90
FIRING RATE
CONTROLLER
MOTOR
1
L1 (HOT)
120V, 60 HZ
POWER
L2
SUPPLY
MASTER
SWITCH
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION
1
AS REQUIRED.
2 USE ALL NEC CLASS 1 WIRING.
START INTERLOCKS IF USED BECOME PREIGNITION INTERLOCKS - (MUST REMAIN CLOSED UNTIL IGNITION TRIALS BEGIN.)
3
TERMINAL 6 HAS THE FOLLOWING OPTIONS:
4
AS RECEIVED - INTERMITTENT PILOT
JR2 CLIPPED - 15 SECOND MAIN FLAME ESTABLISHING PERIOD
JR2 CLIPPED AND JUMPER FROM 8-15 - 30 SECOND MAIN FLAME ESTABLISHING PERIOD.
C7012E.F NEEDS TO BE UPDATED TO C7061.
5
Fig. 7. Wiring diagram for R7140G2008 for application replacing R4140G with start Interlock or BC7000L1000 with
RUNNING
INTERLOCKS
(INCLUDING
AIRFLOW SWITCH)
3
LIMITS
L1
L2
12
13
F
PM720G.
11
R7140G,L,M BURNER CONTROL MODULES
FOR DIRECT SPARK IGNITION (OIL OR GAS)
IGNITION
TRANSFORMER
1ST STAGE
TO
FUEL VALVE
L2
2ND STAGE
FUEL VALVE
(OPTIONAL)
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
10 SECOND
INTERRUPTED
PILOT/IGNITION
18
PILOT/IGNITION
MAIN FUEL
17
VALVE(S)
16
BURNER MOTOR
(BLOWER)
LOW FIRE
START SWITCH
15
14
4
RECTIFYING FLAME
ROD, OR
INFRARED
(LEAD SULFIDE)
FLAME DETECTOR
OR
C7027A, C7035A, OR
BLUE
C7044A ULTRAVIOLET
FLAME DETECTOR
OR
BLUE
C7012A, C, C7061, OR
C7076A ULTRAVIOLET
FLAME DETECTOR
WHITE
WHITE
L2
5
6
7
5
4
6
7
8
G
WHITE
YELLOW
5
M22607B
66-1153—2