Maintenance: Solaronics heated Blower

BEFORE performing any maintenance, disconnect and lockout the electrical supply by positive means. All maintenance must be performed by qualified service personnel.

MONTHLY:

During heating season, check operation of safety controls:

• Flame Safeguard/Relay – ‘FR’
• Air Flow Switch – ‘AF-1’
• High Temperature Limit – ‘HTL’
• Wipe lens of flame scanner ‘FS’ and check that viewing hole is not blocked
• Check that sensing points of air flow switch ‘AF-1’ are not blocked
• Check ignition wire for burn
• Clean inlet air guard (if installed) of any dirt/dust buildup to assure clear passageways for combustion air
• Clean propeller blades: a buildup of dirt and dust can cause an imbalance

ANNUALLY:

At start of heating season:

• In car washes, wipe clean the ignition wire and spark plug ‘SP’
• Check and clean burner, burner ports, and mixing plates
• Check gas manifold pressure (Refer to page 4 for proper setting)
• Replace spark plug ‘SP’, especially in car wash applications. If there are several consecutive misfires, replace the spark plug. 
• Check high voltage lead-in wire for deterioration
• Check and clean propeller blades · Check motor mounting
• Check burner mounting · Check heaters’ support mounting
• Check piping and controls for gas leaks NEVER USE A FLAME! – use a soap solution
• Lubricate motor according to manufacturers’ directions in accordance with some codes or under adverse conditions, such as a car wash, it may be necessary to inspect or service some items more often.

The use of an inspection form is recommended. Preventative maintenance is the best way to get long and trouble-free service from this heater.