Honeywell S8600- Manual
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Table of Contents:
- Page 2 – INSTALLATION; CAUTION; must; WARNING; Cycling frequency
- Page 3 – Once a module with vent damper
- Page 11 – CHECKOUT; Gas leak test must be done as described in
- Page 12 – OPERATION; START; STAGE 1; STAGE 2; END; OR
- Page 13 – STAGE 3
- Page 14 – ARC LENGTH; TROUBLESHOOTING; IMPORTANT
- Page 19 – ANSI STANDARDS
- Page 20 – Honeywell Limited—Honeywell Limitée
TABLE 1—INTERMITTENT PILOT IGNITION MODULES.
IGNITER-
100
SENSOR
TYPE
PREPURGE
PERCENT
LOCKOUT
IGNITION
MODEL
TYPE
OF GAS
TIMING
SHUTOFF
TIMING
SEQUENCE
a
S8600A,
Separate
Natural
None
No
No
Spark on until pilot
S8610A
lightoff or manual
S8600F,
Combination
shutoff; pilot valve
S8610F
open until manual
shutdown.
S8600B,
Separate
Natural
None
Yes, at
15 or 90
Spark on until
S8610B
or LP
lockout
sec. max.,
lightoff or lockout;
S8600H,
Combination
as ordered
pilot valve closes
S8610H
on lockout.
S8600M
Combination
Natural
None
Yes, at 90
No,
Spark and pilot gas
or LP
sec. max.
continuous
on until shutoff.
retry
After 5 min. min.
(6 min. nom.) delay,
ignition starts again.
Ignition, wait, retry
repeats until pilot
lights or system is
shut down manually.
S8660D,
Combination
Natural
45 sec.
Yes, at
15 or 90
Ignition trial follows
S8670D
or LP
lockout
sec. max.,
prepurge; spark on
as ordered
until lightoff or
lockout; pilot valve
closes on lockout.
a
If established flame is lost, all models restart ignition trial.
J.A.
Form Number 69-0463
11-89
©Honeywell Inc. 1989.
INTERMITTENT PILOT MODULES
S8600, S8610, S8660, S8670
APPLICATION
These ignition modules provide ignition sequence, flame
monitoring and safety shutoff for intermittent pilot central
furnaces and heating appliances. S8600 and S8660 mod-
els provide up to 1.0 A pilot and 1.0 A main valve current
rating. S8610 and S8670 provide up to 1.0 A pilot and 2.0
A main valve current rating. Minimum ambient temperature
rating is -40
°
F [-40
°
C]. Maximum ambient rating is +175
°
F [+79
°
C] for S8600, S8660 and for S8610, S8670 used
with 1.0 A or less main valve. Maximum ambient rating for
S8610, S8670 used with 1.0 to 2.0 A main valve is +165
°
F
[+74
°
C]. See Table I for a summary of other differences
between models.
PLANNING THE INSTALLATION
Intermittent pilot systems are used on a wide variety of
central heating equipment and on heating appliances such
as commercial cookers, agricultural equipment, industrial
heating equipment and pool heaters. Some of these appli-
cations may make heavy demands on the controls, either
because of frequent cycling, or because of moisture, corro-
sive chemicals, dust or excessive heat in the environment.
In these situations, special steps may be required to pre-
vent nuisance shutdowns and premature control failure.
These applications require Honeywell Residential Division
Engineering review; contact your Honeywell Sales Repre-
sentative for assistance.
FREQUENT CYCLING
These controls are designed for use on space heating
appliances that typically cycle 3 to 4 times an hour during
the heating season and not at all during the cooling season.
In an application with significantly greater cycling rates and
closer to year-round use, we recommend monthly checkout
because the controls may wear out more quickly.
WATER OR STEAM CLEANING
Once a module or gas control has been wet, it may
operate unreliably and must be replaced. If the appliance is
likely to be cleaned with water or steam, the controls and
associated wiring should be covered so water or steam flow
cannot reach them. The controls should be high enough
above the bottom of the cabinet so they will not be subject
to flooding or splashing during normal cleaning procedures.
If necessary, shield the controls to protect them from
splashing water. A NEMA 4 enclosure is recommended for
the ignition module; see the Electronic Ignition Service
Manual, form 70-6604.
HIGH HUMIDITY OR DRIPPING WATER
Over time, dripping water or high ambient humidity can
create unwanted electrical paths on the module circuit
board, causing the module to fail.
Never
install an appliance
where water can drip on the controls.
In addition, high ambient humidity can cause the gas
control to corrode, and finally to fail.
Where the appliance may be installed in a humid atmos-
phere, make sure air circulation around the module and gas
control is adequate to prevent condensation. It’s also im-
portant to regularly check out the system. A NEMA 4
enclosure may be needed; see the Electronic Ignition
Service Manual, form 70-6604.
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Summary
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