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WARNING
Do not disassemble this device.
Doing so may cause malfunction, device failure, or electric shock.
Do not use alarm relay output as safety output.
This device has a limited product life. Beyond the product life, the risk of device failure becomes
higher. Replace this device within its product life.
If lockout occurs, be sure to do a prepurge before restarting the system. If the combustion chamber
and gas ue are not ventilated to remove any unburned gas, the ignition process may cause an
explosion.
Make sure that the AUD flame sensor does not detect UV rays from a source other than the burner.
Do not reset this device from a remote location. Because it is difficult to make a safety check when
far from the equipment, there is an increased risk of explosion.
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