Honeywell SUPER TRADELINE S8610U Installation Instructions Manual page 10

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

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