Fig. 8-Rm7838B Wiring With S445 Start-Stop - Honeywell 7800 Series Manual

RM7838B
INSTALLATION
Fig. 8—RM7838B wiring with S445 start-stop station.
L2
L1
(HOT)
MASTER
1
SWITCH
BURNER
CONTROL
RECIRCULATING
AFS
65-0120—1
RECIRCULATING
BLOWER
120V ALARM
COMBUSTION
BLOWER AFS
STOP
B A
START
D C
S445
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
RECTIFYING FLAME ROD,
RECTIFYING PHOTOCELL,
OR INFRARED
(LEAD SULFIDE)
FLAME DETECTOR
C7027A, C7035A OR
WHITE
C7044A ULTRAVIOLET
FLAME DETECTOR
C7012A, C, E, F OR
YELLOW
C7076A, D ULTRAVIOLET
FLAME DETECTOR
1 120V, 60 HZ POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
Q7800 SUBBASE
G
L2
DPST ALARM
SILENCING SWITCH
3
4
(L1)
COMBUSTION
5
AIR FAN
LIMITS 6
7
10 SEC.
INTERRUPTED
8
PILOT/IGNITION
MAIN FUEL
9
VALVE(S)
10
F
OR
BLUE
OR
BLUE
WHITE
WHITE
L2
BLACK
L1
BLACK
L2
16
SERIES 90
FIRING RATE SERIES 90
MOTOR CONTROLLER
HIGH FIRE
12 B
COMMON
13 R
LOW FIRE
14
W
MODULATE
15
PILOT VALVE
16
HOLD
MANUAL VALVE
17
OPEN SWITCH
LOW FIRE
18
START SWITCH
HIGH PURGE
19
RATE SWITCH
PREIGNITION
20
INTERLOCK
21
22
B
R
W
M3390A