Honeywell 7800 Series Manual page 16

RM7800E,G,L,M
WIRING
Fig. 9—Wiring RM7800G.
WHITE
YELLOW
120V, 60 Hz POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
1
MAIN FLAME ESTABLISHING PERIOD (MFEP).
2
DO NOT WIRE TO ANY UNUSED TERMINALS.
3
120V ALARM
BURNER MOTOR
(BLOWER)
BURNER
CONTROLLER/LIMITS
RUNNING INTERLOCKS
(INC. AIR FLOW SWITCH)
10 SEC. INTERRUPTED
PILOT/IGNITION
MAIN FUEL
VALVE(S)
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
RECTIFYING FLAME
ROD, RECTIFYING
PHOTOCELL, OR INFRA-
RED (LEAD SULFIDE)
FLAME DETECTOR
OR
C7027A, C7035A, OR
BLUE
C7044A ULTRAVIOLET
FLAME DETECTOR
OR
C7012A,C,E,F OR
BLUE
C7076A,D ULTRAVIOLET
FLAME DETECTOR
WHITE
WHITE
BLACK
BLACK
SERIES 90
FIRING RATE
MOTOR
Q7800
HIGH FIRE
G 1 B
2
COMMON
L 1 R
2 3
LOW FIRE
1 W
3
4
MODULATE
4 (L1 1
) 5
5
1
6
6
1
7
LOW FIRE
7
1
START SWITCH
8
8 1
JUMPER WIRE FOR 30s MFEP
9
PREIGNITION
2
9
INTERLOCK
0
15 OR 30 SEC.
1
2
INTERRUPTED/
0
1
INTERMITTENT
PILOT VALVE
F
2
2
MASTER
SWITCH
FOR DIRECT SPARK IGNITION (OIL
OR GAS)
1
0
2
1
9
L2
L1
L2
16
SERIES 90
CONTROLLER
B
R
W
3
2
L1
(HOT)
1
L2
IGNITION
TRANSFORMER
1ST STAGE
L
FUEL VALVE
2
2ND STAGE
FUEL VALVE
(OPTIONAL)
M1978A