Honeywell R7140G Installation Instructions Manual page 9

L1
CONFIGURATION
JUMPERS
RUN/TEST
SWITCH
RESET
PUSHBUTTON
SAFETY RELAY
CIRCUIT
STATUS LEDs
LIMITS CONTROLLER
4
13
6K1
3K1
KEYBOARD
DISPLAY MODULE
DDL
RS485
1
DDL 2
REMOTE
3
COMMUNICATIONS
RESET
1
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 5. Internal block diagram of the R7140G1000. (See Fig. 8 for detailed wiring.)
L1
(HOT) L2
1
120 Vac,
50/60 Hz
MICROCOMPUTER
2K
3K
4K
RELAY
5K
DRIVE
CIRCUIT
6K
7K
8K
9K
1K
POWER SUPPLY
R1
RUNNING/
LOCKOUT
PRE-IGNITION
INTERLOCK
INTERLOCK
16
LOW FIRE SWITCH
HIGH FIRE
10
8K1
COMMON
11
8K2
MODULATE
12
9K1
9K2
LOW FIRE
14
9
R7140G,L,M BURNER CONTROL MODULES
PLUG-IN PURGE
TIMER CARD
TEST
FLAME SIGNAL
JACK
F
PLUG-IN
G
FLAME
AMPLIFIER
TEST
17
RELAY
STATUS
FEEDBACK
AND LINE
VOLTAGE
INPUTS
CONTROL
POWER
R1
1K1 2K1 5K1
3 IGNITION
18
4K1
5 PILOT
7K1
6 PILOT/V2
2K2
7
MAIN VALVE
BLOWER
8
9
ALARM
INDICATES FEEDBACK SENSING
OF RELAY CONTACT STATUS
AND LINE VOLT INPUTS
FIELD WIRING
INTERNAL WIRING
L2
M23320
66-1153—2