Lochinvar ER302 Maintenance schedule, Check vent piping, Check air inlet piping if applicable

User’s Information Manual

1Maintenance schedule

Maintenance procedures

Pool heater must be serviced and maintained

￿WARNING The pool heater must be inspected and started annually at the beginning of the

heating season by a qualified service technician. In addition, the maintenance and care of the pool heater designated on page 5 of this manual and explained on pages 6 and 7 must be performed to assure maximum pool heater efficiency and reliability. Failure to service and maintain the pool heater and system could result in equipment failure, causing possible severe personal injury, death, or substantial property damage.

Check vent piping

1.Visually inspect the flue gas vent piping for any signs of blockage, leakage, or deterioration of the piping. Notify your qualified service technician at once if you find any problems.

￿WARNING Failure to inspect the vent system as noted above and have it repaired by a qualified

service technician can result in vent system failure, causing severe personal injury or death.

Check air inlet piping (if applicable)

1. Visually inspect the air inlet elbow to be sure it is

unobstructed. Inspect the entire length of air piping to

ensure piping is intact and all joints are properly sealed.

NOTICE

The following information provides detailed instructions for completing the maintenance items listed in the maintenance schedule on page 5. In addition to this maintenance, the pool heater must be serviced and started up at the beginning of each heating season by a qualified service technician.

2. Call your qualified service technician if you notice any

problems.

Check relief valve (if applicable)

1. Inspect the pool heater relief valve and the relief valve

discharge pipe for signs of weeping or leakage.

Check pool heater area

￿WARNING To prevent potential of severe personal injury, death, or substantial property

damage, eliminate all materials discussed below from the pool heater vicinity and the vicinity of the pool heater combustion air inlet. If contaminants are found:

Remove products immediately from the area. If they have been there for an extended period, call a qualified service technician to inspect the pool heater for possible damage from acid corrosion.

If products cannot be removed, immediately call a qualified service technician to re-pipe vent and air piping and locate vent termination/air intake away from contaminated areas.

1.Combustible/flammable materials -- Do not store combustible materials, gasoline or any other flammable vapors or liquids near the pool heater. Remove immediately if found.

2.Air contaminants -- Products containing chlorine or fluorine, if allowed to contaminate the pool heater intake air, will cause acidic condensate in the pool heater. This will cause significant damage to the pool heater if allowed to continue.

6

2. If the relief valve often weeps, immediately contact your

qualified service technician to inspect the pool heater

and system.