Honeywell 7800 SERIES User Manual

65-0120—1 18
RM7838B
INSTALLATION
M9737
G
L2
3
5
6
7
8
9
10
F
4
(L1)
13
14
17
18
19
20
21
22
12
16
15
LIMITS
MAIN FUEL
VALVE(S)
10 SEC.
INTERRUPTED
PILOT/IGNITION
C7012A, C, E, F OR
C7076A, D ULTRAVIOLET
FLAME DETECTOR
120V, 60 HZ POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
120V ALARM
L1
(HOT)
L2
MASTER
SWITCH
1
C7027A, C7035A OR
C7044A ULTRAVIOLET
FLAME DETECTOR
BLUE
BLUE
OR
RECTIFYING FLAME ROD,
RECTIFYING PHOTOCELL,
OR INFRARED
(LEAD SULFIDE)
FLAME DETECTOR
OR
YELLOW
WHITE
WHITE
L2
WHITE
BLACK
L1
BLACK
L2
1
Q7800 SUBBASE
DPST ALARM
SILENCING SWITCH
STOP
START
HIGH FIRE
LOW FIRE
COMMON
MODULATE
F
+
-
+
-
M7284
FIRING RATE
MOTOR
4-20 mA
OUTPUT
CONTROLLER
PILOT VALVE
HOLD
MANUAL VALVE
OPEN SWITCH
LOW FIRE
START SWITCH
HIGH PURGE
RATE SWITCH
PREIGNITION
INTERLOCK
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
COMBUSTION
BLOWER AFS
RECIRCULATING
AFS
BURNER
CONTROL
RECIRCULATING
EXHAUST
BLOWER
COMBUSTION
BLOWER
Fig. 10—RM7838B wiring with separate start and stop stations with 4 to 20 mA firing rate control circuit.

Honeywell 7800 SERIES Specifications

General

Model	7800 SERIES
Category	Control Unit
Frequency	50/60 Hz
Approvals	UL, CE
Communication	Communication Interface (Optional)