Honeywell 7800 SERIES Product Data page 7

Q7800 WIRING SUBBASE
FOR S7830 FIELD WIRING
SINGLE FUEL - GAS
L2
L1
1
(HOT) MAIN VALVE
PROOF-OF-
CLOSURE
BURNER
SWITCH
OPERATING
CONTROL
AUXILIARY
LIMIT 1
AUXILIARY
LIMIT 2
LOW WATER
CUTOFF
4 2
HIGH
LIMIT
AUXILIARY
LIMIT 3
1 120V, 50/60HZ POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 7800 SERIES TERMINAL 17 CAN BE CONNECTED TO ANY POINT S7830 TERMINAL 17 THROUGH 11 OR 17 THROUGH
19. (ANYTHING BEFORE CONNECTION ARE RUNNING LIMITS AND ANYTHING AFTER IT IS CONSIDERED
LOCKOUT INTERLOCKS DEVICE SPECIFIC.)
PLACE JUMPERS ON S7830 WIRING SUBBASE ONLY FOR UNUSED CONTROL, LIMIT, OR INTERLOCKS.
3
4
IF VPS SPLIT, AFTER OR BOTH IS SELECTED – END THE LIMIT STRING WIRING AT TERMINAL 17 OF THE RELAY
MODULE. – BEGINNING THE REMAINING LIMITS BY CONNECTING TO L1 OR THE RELAY MODULE'S BLOWER
MOTOR TERMINAL. PLEASE NOTE, CONNECTING THE LIMIT STRING TO L1 WILL KEEP THE LIMIT STRING LEDS
OF THE S7830 ILLUMINATED WHEN THE SYSTEM IN STANDBY. USING THE BLOWER MOTOR TERMINAL WILL
SHUT OFF THE LEDS IN STANDBY. MAKE SURE THE LOAD OF THE BLOWER MOTOR AND THE VALVES AND
IGNITION COMBINED DO NOT EXCEED THE RATING OF THE BLOWER MOTOR TERMINAL.
Fig. 4. S7830 wiring hookup—Valve Proving devices with Valve Proving enabled.
3
G
12
L2 13
14
3
4 15
5
16
6
17
HIGH GAS
PRESSURE
7
18
LOW GAS
PRESSURE
8
19
AIR FLOW
SWITCH
9 20
AUXILIARY
LIMIT 4
21
10
AUXILIARY
LIMIT 5
22
11
20
PRE-
IGNITION
INTERLOCK
7
7800 SERIES S7830 EXPANDED ANNUNCIATOR
7800
17 7
SERIES
WIRING
CONTROL LOCKOUT
SUBBASE
INTERLOCK
2 4 TERMINALS
M27949
65-0101—03