Honeywell R7140G Installation Instructions Manual page 15

L1
CONFIGURATION
JUMPERS
RUN/TEST
SWITCH
RESET
PUSHBUTTON
SAFETY RELAY
CIRCUIT
STATUS LEDs
LIMITS CONTROLLER
16
13
15
6K1
3K1
KEYBOARD
DDL
DISPLAY MODULE
RS485
1
DDL
2
REMOTE
3
COMMUNICATIONS
RESET
1
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 11. Internal block diagram of the R7140L2007. (See Fig. 13 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
PRE-IGNITION
INTERLOCK
4
RUNNING/
LOCKOUT
INTERLOCK
1K1
3
LOW FIRE SWITCH
HIGH FIRE SWITCH
HIGH FIRE
10
8K1
COMMON
11
8K2
MODULATE
12
9K1
9K2
LOW FIRE
14
15
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
2K1 5K1
18 IGNITION
4K1
5
PILOT
7K1
6
PILOT/V2
2K2
MAIN VALVE
7
8
BLOWER
9
ALARM
INDICATES FEEDBACK SENSING
OF RELAY CONTACT STATUS
AND LINE VOLT INPUTS
FIELD WIRING
INTERNAL WIRING
L2
M23329
66-1153—2