Honeywell R4140G Installation Instructions Manual page 10

R4140G, L AND M FLAME SAFEGUARD PROGRAMMING CONTROLS
REPLACING AN R4140M OR G WITH AN R4140L
FOR DIRECT SPARK IGNITION (OIL OR GAS)
TO
L2
WIRING SUBBASE
TERMINAL STRIP (4)
3
BURNER
4
CONTROLLER
9
120V ALARM
DAMPER
CONTROL
10
HIGH FIRE
COMMON
11
5
B B
R R
MODULATE
LOW FIRE
W W
SERIES 90
FIRING RATE
SERIES 90
MOTOR
CONTROLLER
1
L1 (HOT)
120V, 60 HZ
POWER L2
SUPPLY
1
LEAVE INTERLOCKS CONNECTED BETWEEN TERMINALS 3 AND 16.
2 LEAVE INTERLOCKS CONNECTED BETWEEN TERMINALS 4 AND 16.
IF THERE IS A JUMPER WIRE BETWEEN TERMINALS 14 AND 16, REMOVE
IT AND INSTALL INTERLOCKS.
3 IF REPLACING MODEL WITH "START" INTERLOCKS, DISCONNECT THE
BURNER CONTROLLER FROM TERMINAL 16 AND CONNECT IT TO
TERMINAL 4.
4
IF REPLACING AN R4140M WITH OPEN DAMPER CONTACTS, REMOVE
DAMPER CONTROL FROM TERMINALS 10 AND L2, AND REMOVE
JUMPER WIRE FROM TERMINALS 11 AND 12.
5
IF REPLACING AN R4140M, ADD SERIES 90 CONTROLLER AND SERIES 90
FIRING RATE MOTOR.
Fig. 8. Sample block diagram of field wiring for replacing an R4140M or G with an R4140L.
60-0770—2
ON MODELS WITH INTERRUPTED
PILOT/IGNITION ON TERMINAL 6
IGNITION
TRANSFORMER
MAIN FUEL
VALVE(S)
PREIGNITION
2
INTERLOCKS
L1
LIMITS
L2
4
12
4
13 ALTERNATE
LOW FIRE
SWITCH
F
MASTER
SWITCH
FOR DIRECT SPARK IGNITION (OIL OR GAS)
ON MODELS WITH INTERMITTENT
PILOT/IGNITION ON TERMINAL 6
5
JUMPER
6 TO
L2
7
LOCKOUT
1
INTERLOCKS
(INCL. AIRFLOW
SWITCH)
3
18
17
16
15
9
14
BLUE
BLUE
WHITE
WHITE
L2
BLACK
L1
BLACK
L2
6
5 SECOND IGNITION IS NOT AVAILABLE ON SOME MODELS.
7
REFER TO SPECIFICATIONS OF THE SPECIFIC R4140L MODEL TO
DETERMINE THE PILOT/IGNITION TIMING AVAILABLE ON TERMINAL 6.
8 FOR DIRECT SPARK IGNITION (OIL OR GAS), CONNECT THE
IGNITION TRANSFORMER AND FUEL VALVE(S) AS SHOWN IN THE
APPROPRIATE INSET.
9 ADD LOW FIRE SWITCH (IF NOT ALREADY CONNECTED).
ADD HIGH FIRE SWITCH.
10
10
IGNITION
5
TRANSFORMER
1ST STAGE
6
FUEL VALVE
2ND STAGE
7
FUEL VALVE
(OPTIONAL)
5 SECOND IGNITION
(EARLY SPARK
6
TERMINATION)
10 SECOND
INTERRUPTED
5
PILOT/IGNITION
8
PILOT/IGNITION
6
7
MAIN FUEL
7
VALVES(S)
BURNER MOTOR
(BLOWER)
8
LOW FIRE
9
SWITCH
G
HIGH FIRE
10
SWITCH
RECTIFYING FLAME
ROD, RECTIFYING
PHOTOCELL, OR INFRA-
RED (LEAD SULFIDE)
FLAME DETECTOR
C7027A, C7035A, OR
WHITE
C7044A ULTRAVIOLET
FLAME DETECTOR
C7012A,C,E,F OR
YELLOW
C7076A ULTRAVIOLET
FLAME DETECTOR
C8349