S8910U3000
TERMINAL CROSS
REFERENCE
S8910U
GND(BURNER)
6
24V (GND)
VALVE (GND)
24V
VALVE
L2
L1
HSI
HSI
SENSE
COMBINATION
GAS CONTROL
1
1
2
3
4
5
6
34-00008EFS—01
S8910U HOT SURFACE IGNITER CONTROL
HS780
TR (GND CLIP)
S8910U Hot Surface Ignition
WARNING
Input Voltages = 120 & 24 VAC, 60 Hz
HSI = 120V, 5A max.
GND
Valve = 24V, 2A max.
Explosion Hazard. Can cause
Total 24V Load = 0.4 + valve load
serious injury or death.
U.S. Patent 8,085,521
Disconnect power before ser-
—
Prepurge Time = 32 Sec.
vicing. This device can mal-
Igniter Warm Up Time = See Inst. Sh. 34-00008
function if it gets wet. Never
Ignition Trial Time - See Selection Tab
try to use a device that has
Number of Trials - See Selection Tab
TH
been wet -- replace it.
Between Trial Time - 96 Sec.
VALVE
L2
L1
IGN
IGN
RS
6
BURNER
GROUND
MV
MV
THERMOSTAT OR
CONTROLLER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
MAKE SURE L1 AND L2 ARE NOT REVERSED.
ALTERNATE LIMIT CONTROLLER LOCATION.
SENSE ROD WILL BE PRESENT IF REMOTE SENSE HS780 MODEL. SEE TABLE 2.
WHEN HS780 IS A REMOTE SENSE MODEL, REMOVE JUMPER QUICK-CONNECT FROM S8910U. CUT WIRE AT CIRCUIT
BOARD AND DISCARD. CONNECT FLAME ROD LEAD WIRE TO SENSE. SEE TABLE 2.
CUT 1/4 IN. QUICK-CONNECT OFF WIRE AND REPLACE WITH 3/16 IN. QUICK-CONNECT (SUPPLIED).
USE GREEN GROUND ADAPTER (SUPPLIED) TO CONNECT S8910U GND (BURNER) TO APPLIANCE CHASSIS.
Fig. 3. Typical hookup when S8910U replaces Robertshaw HS780.
Golden Valley, MN 55422
Assembled in Mexico
Selection Tab
LED States
ON
Trial count
Control Status
OFF
= 1 try (default)
Device damaged- Red
ON
Trial count
replace control
OFF
= 3 tries
Ignition lockout
Trial for ign. period
ON
Normal operation Green Steady
OFF
= 4 seconds (default)
Weak flame signal Green Blink
ON
Trial for ign. period
See Instruction Sheet 34-00008
OFF
= 7 seconds
for additional states
1
2
3
4
120 VAC
120 VAC
See
NOTE: ALWAYS apply
NEUTRAL
HOT
LED
this control as instructed
States
in Instruction Sheet
34-00008
SYSTEM SETUP
5
LIMIT
CONTROLLER
2
12
Color Pattern
Steady
Red
Blink
®
C
US
AUTO
IGNITION
SYSTEMS
ANSI Z21.20
32304204-001 Rev. A
See
Instructions
for
FLAME
Single/Dual
Rod
SENSOR
Applications
4 4
4
4
HOT
SURFACE
IGNITER
L1
(HOT)
L2
1
3
M8529E