CAUTION
1. Disconnect the power supply before beginning wiring to prevent electrical shock or equipment damage.
2. If a new gas control is to be installed, turn off the gas supply before starting the installation. Conduct a Gas
Leak Test according to the gas control manufacturer instructions after the gas control is installed.
3. If a module must be mounted where it can be exposed to moisture or water, provide a suitable waterproof
enclosure.
4. Using the wire labels provided, label all wires before disconnecting. Wiring errors can cause improper appliance
operation and create dangerous conditions such as bypassing safety features.
Perform Preinstallation Safety Inspection
A preinstallation safety check of the appliance and venting system must be done before the replacement module is
installed. If a condition is detected that could result in unsafe operation, shut off the appliance and advise the owner
of the unsafe condition. Correct any potentially unsafe condition before proceeding with the installation.
Remove Old Module
Disconnect power supply before doing any work on the unit. Disconnect and tag the wires from the old module using
the wire labels provided. Remove the old module from its mounting location.
Mount New Ignition Module
Mount the S8910U Module in the same location as the old module. Protect the module from exposure to water,
moisture, corrosive chemicals and excessive dust and grease. Assure that ambient temperature at the module is
within the range listed in the Application section.
Mount the module with the terminals down to protect from dripping water and dust. (The module can also be
mounted with terminals on either side.) Do Not Mount with the terminals pointing up. Refer to Fig. 2 for mounting
recommendations. When it is necessary to drill new mounting holes, use the S8910U as a template to mark the
mounting hole pattern. Drill new holes as required. Fasten securely with four No. 6-32 machine or No. 8 sheet metal
screws.
MOUNT IN ONE OF THESE POSITIONS
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