Honeywell 7800 SERIES Instruction Manual page 4

EC7830A, RM7830A, EC7850A, RM7850A 7800 SERIES RELAY MODULES
5
RUN/TEST
SWITCH
RESET
PUSHBUTTON
STATUS
LEDS
3K2
2
DDL
DDL
COMMUNICATIONS
1
120 VAC, 50/60 Hz POWER SUPPLY, RM7830A; 220-240 VAC, 50/60 Hz POWER SUPPLY, EC7830A.
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
TO CONNECT L1 DIRECTLY TO LOS, AT LEAST ONE CONTROLLED SHUTDOWN MUST BE PROVIDED EVERY 24 HOURS.
Fig. 1. Internal block diagram of EC/RM7830A (see Fig. 3 for detailed wiring instructions).
66-1092—06
CONFIGURATION
JUMPERS
MICROCOMPUTER
RELAY
DRIVE
CIRCUIT
SAFETY RELAY
SAFETY RELAY
CIRCUIT
CIRCUIT
ES2
17
16
LOS RT
20
LD2
7
6K1
3K1
OPTIONAL KEYBOARD
DISPLAY MODULE
RS485
5
1
2
REMOTE
RESET
3
honeyvell.energy
L1
HOT N
1
PLUG-IN PURGE
TIMER CARD
FLAME SIGNAL
PLUG-IN
FLAME
AMPLIFIER
2K
3K
4K
RELAY
5K
STATUS
6K FEEDBACK
AND LINE
7K
VOLTAGE
INPUTS
1K
CONTROL
POWER SUPPLY
POWER
2K2 5K1
6
10
4K1
1K1
8
7K1
21
2K1
9
4
3
RELAY CONTACT OPEN
F G ... 22
RELAY CONTACT CLOSED
RELAY COIL
INDICATES FEEDBACK SENSING
OF RELAY CONTACT STATUS
FIELD WIRING
AND LINE VOLTAGE INPUTS
INTERNAL WIRING
4
2
TEST
JACK
F
G
SHUTTER
22
AL
IGN
PV1
PV2
MV
FAN
AL
USER TERMINALS
M15183B