resideo S8910U3000 Manuel D'installation page 7

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REVIEW THE INSTALLATION
WARNING
FIRE OR EXPLOSION HAZARD.
CAN CAUSE PROPERTY DAMAGE, SEVERE
INJURY, OR DEATH.
Follow these warnings exactly:
1.Review the installation as outlined in this
section.
2.Plan for frequent maintenance as described in
the Maintenance section.
When hot surface ignition systems are used on central
heating equipment in barns, greenhouses, and
commercial properties and on heating appliances such as
commercial cookers, agricultural equipment, industrial
heating equipment and pool heaters, heavy demands are
made on the controls. Special steps may be required to
prevent nuisance shut-downs and control failure due to
frequent cycling, and severe environmental conditions
related to moisture, corrosive chemicals, dust or excessive
heat. These applications require Resideo and Building
Control Engineering review; contact your Resideo Sales
Representative for assistance.
Review the following conditions that can apply to your
specific installation and take the precautionary steps
suggested.
Frequent Cycling
These controls are designed for use on appliances that
typically cycle only three to four times an hour during the
heating season. In year-around applications with greater
cycling rates, the control can wear out more quickly.
Perform a monthly checkout.
Table 4. DIP switch configuration.
1 2 3 4
4
1 2 3
3 4
1 2
3 4
1 2
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
M35557
Trial count = 1 try
Trial count = 3 tries
Trial for ignition period = 4 seconds
Trial for ignition period = 7 seconds
Igniter warm-up time = 34 seconds
Igniter warm-up time = 45 seconds
Igniter warm-up time = 17 seconds
nd rd
(27 seconds 2 and 3 trial)
Igniter warm-up time = 7 seconds
nd rd
(12 seconds 2 and 3 trial)
Water or Steam Cleaning
If a module or gas control gets wet, replace it. If the
appliance is likely to be cleaned with water or steam, cover
the controls and wiring to protect from water or steam
flow. Mount the controls high enough above the bottom of
the cabinet to avoid getting wet during normal cleaning
procedures. A NEMA 4 enclosure is recommended for the
ignition module.
High Humidity or Dripping Water
Dripping water can cause 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 fail.
If the appliance is in a humid atmosphere, make sure air
circulation around the controls is adequate to prevent
condensation. Also, regularly check out the system. A
NEMA 4 enclosure is recommended for the ignition
module.
Corrosive Chemicals
Corrosive chemicals can attack the module and gas
control, eventually causing a failure. If chemicals are used
for routine cleaning, avoid contact with the controls.
Where chemicals are suspended in air, as in some
industrial or agricultural applications, A NEMA 4
enclosure is recommended for the ignition module.
Dust or Grease Accumulation
Heavy accumulations of dust or grease can cause controls
to malfunction. Where dust or grease can be a problem,
provide covers for the module and the gas control to limit
contamination. A NEMA 4 enclosure is recommended for
the ignition module.
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S8910U3000
34-00008EFS—03