Burner Flame
Burner Flame - Start burner and allow to operate for a few minutes to establish normal burning conditions. Check burner flame by observation. Flame should be predomi2 nantly blue in color and strong in appearance.
CAUTION
Periodically look through the flame sight glass to check the burner flame.
Contact your Lennox dealer for a periodic unit inspection by a qualified service technician.
Service Reminder
Call your Lennox service technician if unit is inoperative. Before calling, always check the following to be sure ser2 vice is required.
1 - Check that electrical disconnect switches are ON.
2 - Check room thermostat for proper setting.
3 - Replace any blown fuses or reset circuit breakers. In2 vestigate reason for blown fuses or tripped breakers.
4 - Make sure gas valve is in ON position.
5 - Air filter should not be plugged limiting air flow.
6 - Is gas turned on at meter?
7 - Is manual main shut2off valve open?
Safety Precautions
If you discover any of the following, shut down your unit, and contact an independent Lennox dealer for an inspection by a qualified technician.
DIf you repeatedly hear any new or unfamiliar sounds while your unit is operating, there may be a problem. For example, poorly performing burners can produce unfamiliar noises.
DIf you smell any unusual odors, your unit may be oper2 ating improperly. For example, units can give off unfa2 miliar odors if components are required to operate in abnormal conditions.
DLook for visible signs of a malfunctioning unit. Exam2 ples include unusual amounts of condensate on win2 dows inside your house, visibly burnt components, or unusual accumulation of rust in the unit.
DIf you experience headache, nausea, fatigue, or dizzi2 ness, the cause could be exposure to carbon monox2 ide gas. This is often misdiagnosed as the flu because symptoms are similar. If you suffer from
Your vigilance may pay off in early detection of a problem before either personal injury or property damage occurs. Do not hesitate to contact a qualified service technician as an investment in your well being.
Planned Service
You should expect a service technician to check the fol2 lowing items during an annual inspection. Power to the unit must be shut off for the service technician's safety. Burners- Must be inspected for rust, dirt, or signs of wa2 ter.
Vent pipe - Must be inspected for dirt, damaged or sag2 ging unsupported pipe, or disconnected joints.
Unit appearance - Must be inspected for rust, dirt, signs of water, and burnt or damaged wires components. Blower access door - Must be properly in place and pro2 vide a seal between the return air and the room where the furnace is installed.
Return air duct - Must be properly attached and provide an airtight seal to unit.
Operating performance - Unit must be observed during operation to monitor proper performance of the unit and the vent system.
Combustion gases - Flue products must be analyzed and compared to the unit specifications.
Problems detected during the inspection may make it necessary to temporarily shut down the furnace until the items can be repaired or replaced.
Pay attention to your furnace. Situations can arise be2 tween annual furnace inspections that may result in un2 safe operation. For instance, items innocently stored next to the air inlet may obstruct the combustion air supply. This could cause incomplete combustion and the produc2 tion of carbon monoxide gas.
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