Honeywell 7800 Series Manual page 14

7800 SERIES RM7830A, RM7850A RELAY MODULE
WHITE
YELLOW
65-0222
Q7800
HIGH FIRE
G 12
COMMON
N 13
MODULATE
AL
3 14
LOW FIRE
4 (L1) 15
FAN 5 16
RT 6 17 ES2
7 18
LD2 ES1
PV1 ES3
8 19
9 20
MV LOS
10 21
IGN PV2
F 22
RECTIFYING
FLAME ROD,
RECTIFYING
PHOTOCELL
OR INFRARED
(LEAD SULFIDE)
FLAME
DETECTOR
OR
C7027A,
C7035A, OR
BLUE
C7044A
ULTRAVIOLET
FLAME
DETECTOR
OR
C7061A OR
BLUE
C7012E,F OR
C7076A,D
ULTRAVIOLET
FLAME
DETECTOR
WHITE
WHITE
Fig. 4B. Wiring RM7850A.
SERIES 90
SERIES 90
FIRING RATE
CONTROLLER
MOTOR
B B
R R
W W
1
L1
N
LEGEND
ALARM
AL
(NORMALLY OPEN)
ES1 LOW FIRE SWITCH
INPUT
PREIGNITION
ES2
INTERLOCK INPUT
HIGH FIRE SWITCH
ES3
INPUT
FAN BURNER/BLOWER
MOTOR
IGN IGNITION
L1 LINE VOLTAGE SUPPLY
LOS LOCKOUT INPUT
LD2 AIRFLOW SWITCH INPUT
MAIN FUEL VALVE
MV
PV1 PILOT VALVE 1
(INTERRUPTED)
PILOT VALVE 2
PV2
(INTERMITTENT)
LIMITS AND BURNER
RT
CONTROL
115-125 VAC, 50 Hz POWER SUPPLY.
1
14
M10181