32
®
SUGGESTED WIRING DIAGRAM FOR EP(D)160, EP161, AND EP(D)170 PROGRAMMERS
Firing Rate
Motor
Switching
(See Insert)
Burner Motor
Control Circuit
Firing Rate
Motor Switching
(See Insert)
Ignition And Fuel Valve
Control Circuit
Lockout
Alarm Circuit
Plug In
Flame Amplifier
Flame
Rod
Only
FIREYE
WIRING BASE
TERMINALS
IMPORTANT; A Good
Earth Ground is
Essential
Disconnect
Means And
Overload
Protection
Required
120 VOLT
50/60 Hz
H
N
Note: When A Flame Rod Is
Used, Jumper S2 To The Green
Grounding Screw On The
Wiring Base. Refer to
Grounding Rules, Scanners.
15 SEC
TFI
PURGE
INT. *
FLAME
SCANNER
IR or UV
LOW FIRE
START
INT.
RUNNING
INTERLOCK
FUEL VALVE
INTERLOCK
LIMIT OPERATING
SWITCHES
Burner
Switch
RED
Trial for
Ignition/
Pilot
(Seconds)
Trial for
Ignition/
Main
(Seconds)
Term 5
Term 5
Term 6
Term 6
FIREYE
PART
NUMBER
EP(D)160
10
15
10
10
10
30
EP(D)161
EP(D)170
10
0
15
45UV5 1009
TYPICAL WIRING ARRANGEMENT FOR PILOT IGNITED BURNER
JUMPER
WIRING ARRANGEMENT FOR
SPARK IGNITED OIL BURNER
WIRING ARRANGEMENT FOR IGNITION TRANSFORMER
& GAS PILOT VALVE FOR SPARK CUTOFF FEATURE
Caution: All safety limit switches should be approved as limit controls and
should be wired directly in the circuit of the Flame Safeguard control.
The use of electronic switches to close interlock circuits may cause erratic
operation.
R
W
B
POWER
SUPPLY
FIRING
RATE
MOTOR
POTENTIOMETER
CONTROLLER
FIREYE
TERMINAL
RA1
AUTO
LO
HI
COM
S2
S1
A
8
7
6
5
13
12
X
P
D
M
3
L2
L1
11
10
GAS
MAIN
FUEL
VALVE(S)
L1
L2
S1
S2
S2
S1
L2
L1
PILOT
VALVE
LOCKOUT
ALARM
IGNITION
TRANSFORMER
BURNER
/
BLOWER
MOTOR
R
W
B
T
T
RH
5
6
5
6
7
IGNITION
TRANSFORMER
GAS PILOT
VALVE
**
S1
S2
PROGRAMMER EP(D)170
IGNITION
OIL
SOLENOID
VALVE
TRANSFORMER
10
X
12
11
EP165*
10
0
10
* EP165 AND EP166 INCLUDE 5 SECOND PILOT STABILIZATION PERIOD.
EP166*
Refer to Service Note 100 (SN-100) or Suggested Grounding
Rules later in this document.
10
0
10
5
10
10
**ALL FLAME-MONITOR INTERLOCK INPUTS MUST BE THE SAME AC PHASE
EPD167
10
10
BLK
