Honeywell 7800 Series Installation Instructions Manual page 5

5
RUN/TEST
SWITCH
RESET
PUSHBUTTON
STATUS
LEDS
ES2
3K2
16
LOS
2
6K1
3K1
OPTIONAL KEYBOARD
DISPLAY MODULE
DDL
RS485
1
DDL
2
COMMUNICATIONS
3
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. 2. Internal block diagram of EC/RM7830A (see Fig. 4 for detailed wiring instructions).
EC7830A, RM7830A, EC7850A, RM7850A 7800 SERIES RELAY MODULES
L1
HOT N
1
CONFIGURATION
JUMPERS
MICROCOMPUTER
2K
3K
RELAY
4K
DRIVE
CIRCUIT
5K
6K
7K
SAFETY RELAY
SAFETY RELAY
1K
CIRCUIT
CIRCUIT
POWER SUPPLY
17
RT
20 6
LD2
1K1
7
RELAY CONTACT OPEN
RELAY CONTACT CLOSED
RELAY COIL
5
FIELD WIRING
REMOTE
RESET
INTERNAL WIRING
5
PLUG-IN PURGE
TIMER CARD
TEST
JACK
FLAME SIGNAL
F
PLUG-IN
FLAME
G
AMPLIFIER
SHUTTER
22
RELAY
STATUS
FEEDBACK
AND LINE
VOLTAGE
INPUTS
CONTROL
POWER
AL
2K2 5K1
10
4K1
8
7K1
21
2K1
9
4
3
G ... 22
F USER TERMINALS
INDICATES FEEDBACK SENSING
OF RELAY CONTACT STATUS
AND LINE VOLTAGE INPUTS
2
IGN
PV1
PV2
MV
FAN
AL
M15183B
32-00198—01