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S8610U UNIVERSAL INTERMITTENT PILOT GAS IGNITION CONTROL
69-1955
10
NOTE: Use existing wiring harness to make connections
to S8610U per Table 7.
IMPORTANT
If installation includes LO-15 Lockout Timer, dis-
card wires to E3 and TH. Disconnect and retain
wire to LO-15 terminal E1. Tag wire, Thermostat.
Discard LO-15.
Table 7. Conversion from Robertshaw SP715 and SP735C (includes 780-XXX and USI715U).
Terminal
Function
Replacement
Control
Old Control
a
a
780-715 and USI 715U are equivalent to SP715; 780-735 and 780-737 are equivalent to SP735.
Procedural Notes
S8610U
7000D Valve
b
b
On 7000D series valve, retain (or install) white jumper between valve TR and pilot solenoid.
7100D Valve
7100K Valve
Main Valve
Operator
MV
MV
(to Valve TH)
MV
(to Valve M)
MV
(to Valve TR)
—
Main Valve and
Pilot Common
MV/PV
MV/PV
(to Valve TR)
MV/PV
(to Valve C)
MV/PV
(to Valve C and TH)
—
Pilot Valve
Operator
PV
PV
(to Valve Pilot*)
PV
(to Valve P)
PV
(to Valve Pick and Hold)
* This is the terminal, which is not
jumpered to TR.
Burner Ground
Connection
GND
(BURNER)
GND
GND
GND
—
Transformer
Secondary
(unswitched leg)
24V GND
TR
TR
TR
—
24V
No
connection
No
connection
No
connection
Transformer
Secondary
(switched leg)
E3
c
c
If LO-15 Lockout timer is not installed, E3 connector provided on SP715 is not used.
E3
c
E3
c
When supplied, E3 provides
connection to Lockout Timer
TH-W
TH
TH
TH
If LO-15 is part of the installation, use
the wire disconnected from E1, which
is tagged
Thermostat
.
Flame Sensor
SENSE
d
d
Important:
If the USI 715U with combination igniter-sensor is not used, remove black jumper quick connect from Remote Sense
terminal of S8610U. Cut jumper wire at circuit board and discard.
e
e
Labeled OPT. SENSOR on USI 715U. No external connection if combination igniter-sensor is used.
d
d
—
Igniter / Sensor
SPARK
IGN
IGN
IGN
—
Table 8. Conversion from Camstat, Fenwal, or HSC.
Terminal
Function
Replacement
Control
Old Control
Procedural Notes
S8610U
CAMSTAT
IPI-24-00
a
a
Use existing wiring harness to make connections to S8610U.
FENWAL
05-20X
b
b
Tag all wires at the module connector with terminal designations. Cut wires at connector, attach quick connects, and connect to
S8610U per Table 8.
HSC 1003-3 and
1003-300
a
Main Valve
Operator
MV
MV
MAIN VALVE
MV
—
Main Valve and
Pilot Common
MV/PV
GND
GROUND
GND/COM
Fenwal only
; run separate lead to S8610U valve
common terminal, MV/PV.
Pilot Valve
Operator
PV
PV
PILOT VALVE
PV
—
Burner Ground
Connection
GND
(BURNER)
GND
—
—
To assure a good ground, run separate wire from the
pilot burner to the S8610U GND (BURNER)
connector.
Transformer
Secondary
(unswitched leg)
24V GND
T2
GROUND
GND/COM
—
24V
No connection
No connection
No connection
Transformer
Secondary
(switched leg)
TH-W
T1
POWER
24 VAC
—
Flame Sensor
SENSE
S
c
c
Important:
Remove black jumper quick connect from Remote Sense terminal of S8610U. Cut jumper wire at circuit board and
discard.
—
SENSOR
c
—
Igniter / Sensor
SPARK
IGN
H.V.
IGN COIL
Strip module end of ignition cable as necessary and
attach an insulated, 1/4 in. quick connect for the
connection to the S8610U.