Honeywell 7800 Series Manual page 15

Fig. 11—RM7885A wiring with R4155 alarm silencing relay.
S445A
START-STOP
STATION
INTERNAL
JUMPER
FOR DIRECT SPARK IGNITION (OIL
OR GAS)
8
MAIN VALVE
9
120V, 60 Hz POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
1
DO NOT CONNECT ANY WIRES TO UNUSED TERMINALS.
2
For proper wiring of optional Keyboard Display Module
mounted remotely, DATA CONTROLBUS MODULE™,
Remote Reset Module or Communication Interface Base
Unit, refer to Specifications, form 65-0090, 65-0091, 65-
0095 or 63-2278, respectively.
2. Disconnect the power supply from the main discon-
nect before beginning installation to prevent electrical shock
and equipment damage. More than one disconnect may be
involved.
4
STOP
B A
D C
START
IGNITION
RECTIFYING FLAME
ROD, RECTIFYING
PHOTOCELL, OR INFRA-
RED (LEAD SULFIDE)
FLAME DETECTOR
C7027A, C7035A, OR
WHITE
C7044A ULTRAVIOLET
FLAME DETECTOR
C7012A,C,E,F OR
YELLOW
C7076A ULTRAVIOLET
FLAME DETECTOR
L
2
Q7800
G
L
2
ALARM
(L1
3
)
5 6 2
4
R4155A
5
6
LIMITS
7
INTERMITTENT
8
PILOT
MAIN FUEL
9
VALVE(S)
1
0
F
OR
BLUE
OR
BLUE
WHITE
WHITE
L2
BLACK
L1
BLACK
L2
3. All wiring must comply with all appropriate electrical
codes, ordinances and regulations. Wiring, where required,
must comply with NEC Class 1 (Line Voltage) wiring.
4. Recommended wire size and type: use no. 14, 16, or 18
copper conductor wire (TTW60C or THW75C or THHN90C),
600 volt insulation wire for all line voltage terminals. For
high temperature installations, use wire selected for a tem-
perature rating above the maximum operating temperature.
All leadwires must be moisture resistant.
15
RM7885A
1
2
1
3
1
4
1
5
1
6
1
7
2
1
8
1
9
2
0
2
1
2
2
L1
(HOT)
L2
MASTER
1
SWITCH
M5214
65-0107
WIRING