NOTE:
Read the entire installation instruction manual before starting the installation.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other
conditions which may cause personal injury or property damage. Consult a qualified licensed installer, service agency, or
your distributor for information or assistance. The qualified licensed installer or service agency must use factory-authorized
kits or accessories when modifying this product. Refer to the individual instructions packaged with kits or accessories
when installing.
Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for brazing operations. Have fire
extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult
local building codes and National Electrical Code (NEC) for special requirements.
Recognize safety information. This is the safety-alert symbol
. When you see this symbol on the unit and in instruc-
tions manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, CAUTION, and NOTE. These words are used with the safety-alert
symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING
signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which would
result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in
enhanced installation, reliability, or operation.
WARNING:
Before installing or servicing unit, always turn off all power to unit. There may be more than
one disconnect switch. Turn off accessory heater power if applicable. Electrical shock can cause personal
injury or death.
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS
VMB-HW
**WARNING TO INSTALLER, SERVICE PERSONNEL AND OWNER**
Altering the product or replacing parts with non authorized factory parts voids all warranty or implied warranty
and may result in adverse operational performance and/or a possible hazardous safety condition to service
personnel and occupants. Company employees and/or contractors are not authorized to waive this warning.
Current
Maintenance Program
is available at
www.firstco.com
under "Product Information".
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L3778A 8/06R1
