Honeywell RM7840L Installation Instruction

66-1085—3
4
RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES
บริษัท เอดีดี เฟอร์เนส จํากัด
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L1
(HOT) L2
1
4
L2
120 Vac,
50/60 Hz
RUN/TEST
SWITCH
RESET
PUSHBUTTON
STATUS LEDs
MICROCOMPUTER
2K
3K
4K
5K
6K
7K
8K
9K
1K
FLAME SIGNAL
TEST
TEST
JACK
F
G
22
POWER SUPPLY
CONTROL
POWER
20
PRE-IGNITION
INTERLOCK
LIMITS CONTROLLER
RUNNING/
LOCKOUT
INTERLOCK
6
7
1K1 2K1 5K1
10
6K1
3K1
KEYBOARD
LOW FIRE SWITCH
18
HIGH FIRE SWITCH
19
HIGH FIRE
4K1
8
7K1
21
2K2
9
5
3
12
DDL
DISPLAY MODULE
RS485
1
8K1
8K2
COMMON
13
MODULATE
9K1
15
INDICATES FEEDBACK SENSING
OF RELAY CONTACT STATUS
AND LINE VOLT INPUTS
DDL
COMMUNICATIONS
2
3
REMOTE
RESET
9K2
LOW FIRE
FIELD WIRING
14
INTERNAL WIRING
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
M12258
Fig. 1. Internal block diagram of the RM7800LIRM7840L (See Fig. 2, 3, 4 or 5
for individual detailed wiring instructions).
1
CONFIGURATION
JUMPERS
RELAY
DRIVE
CIRCUIT
PLUG-IN PURGE
TIMER CARD
SAFETY RELAY
CIRCUIT
PLUG-IN
FLAME
AMPLIFIER
RELAY
STATUS
FEEDBACK
AND LINE
VOLTAGE
INPUTS
IGNITION
PILOT
PILOT/V2
MAIN VALVE
BLOWER
ALARM

Honeywell RM7840L Specifications

General

Brand	Honeywell
Model	RM7840L
Category	Control Unit
Language	English