Instructions / Assembly

VR8245 AND VR8345 UNIVERSAL ELECTRONIC IGNITION GAS CONTROLS
69-2013—02 8
Fig. 11. VR8245M/VR8345M,H wiring connections in hot surface ignition system.
Fig. 12. VR8245M/VR8345M,H wiring connections in
direct spark ignition system (single rod application).
Fig. 13. VR8345Q wiring diagram.
MV
MV
L1
(HOT)
L2
1
3
2
1
2
3
3
VALVE
S8910U HOT SURFACE IGNITER CONTROL
HOT SURFACE
IGNITER/SENSOR
Q354 FLAME
SENSOR
LIMIT
CONTROLLER
THERMOSTAT OR
CONTROLLER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
MAKE SURE L1 AND L2 ARE NOT REVERSED. THIS WOULD PREVENT FLAME DETECTION.
ALTERNATE LIMIT CONTROLLER LOCATION
SENSE TERMINAL AND Q354 FLAME SENSOR ON D MODELS ONLY.
BURNER
GROUND
M23471
QUICK
CONNECTS
AU
TO
IG
N
IT
IO
N
S
YS
T
EM
S
A
N
SI Z2
1.20
STATUS LED:
1. Flash-Ignition Lockout
2 Flash-Weak Flame Signal
3 Flash-Internal Error-Replace Control
Pulsing "Heartbeat"-Normal Operation
S8910U HOT SURFACE IGNITION
INPUT VOLTAGES = 120 & 24 VAC, 60HZ
HSI = 120V, 6.5A MAX
VALVE = 24V, 1A MAX TOTAL 24V LOAD = 0.2 + VALVE LOAD
120VAC
HOT
570A0056
WARNING
!
Explosion hazard. Can cause
serious injury or death.
This device can malfunction if
it gets wet. Never try to use a
device that has been wet -- replace it.
GND
(BURNER)
24V
(GND)
VALVE
(GND)
24V
LED
L2
HSI
HSI
L1
SENSE
VALVE
MPLS., MN 55422
SEE
INSTRUCTIONS
FOR REM
OTE
SENSE/DUAL
RO
D
APPLICATIO
NS
TRIAL TIME,
NUM. OF TRIALS
C
ON
FIGURA
TION
PLUG
120VAC
NEUTRAL
TRIAL
TIME: 7 SEC
NUM OF
TRIALS: 1
Prepurge Time = 30 Sec
Igniter Warmup Time = 34 sec
HSI WIRE
ADAPTER
24V
24V (GND)
S87 CONTROL MODULE
ALARM
VALVE
VALVE
GND
TEMPERATURE
CONTROLLER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
ALTERNATE LIMIT CONTROLLER LOCATION.
MAXIMUM IGNITER-SENSOR CABLE LENGTH: 3 FT [.9 M] OR LESS.
3A REPLACEABLE FUSE.
ALARM TERMINAL PROVIDED ON SOME MODELS.
M23472
MV
MV
L1
(HOT)
L2
1
2
1
2
3
VALVE
Q347 IGNITER-SENSOR
BURNER
4
4
5
IGNITER-SENSOR AND
BURNER GROUND
3
5
ALARM,
IF USED
QUICK
CONNECTS
DSI WIRE
ADAPTER
Valve terminals: Typically connects to:
Hi W2, Hi
Mv or Lo Mv, Lo, Valve
C Mv/Pv, Valve
Pv Pv
2-STAGE
GAS VALVE
HI
MV
PV
C
SECOND STAGE OR HIGH FIRE
MAIN VALVE OR LO FIRE
PILOT VALVE FOR INTERMITTENT IGNITION ONLY
COMMON TERMINAL OF IGNITION COILS
M23473