Jetson FWCD Series, Installation Operation & Maintenance, Page: 4 / 96

Jetson
www.JetsonHVAC.com
4
WARNING
ELECTRIC SHOCK, FIRE OR
EXPLOSION HAZARD
Failure to follow safety warnings
exactly could result in dangerous
operation, serious injury, death or
property damage.
Improper servicing could result in
dangerous operation, serious injury,
death, or property damage.
•
Before servicing, disconnect all
electrical power to the furnace.
More than one disconnect may be
provided.
•
When servicing controls, label all
wires prior to disconnecting.
Reconnect wires correctly.
•
Verify proper operation after
servicing. Secure all doors with
key-lock or nut and bolt.
WARNING
QUALIFIED INSTALLER
Improper installation, adjustment,
alteration, service or maintenance can
cause property damage, personal
injury or loss of life. Startup and service
must be performed by a trained service
technician. A copy of this manual
should be kept with the unit.
CAUTION
PVC (Polyvinyl Chloride) and CPVC
(Chlorinated Polyvinyl Chloride) are
vulnerable
to attack by certain
chemicals. Polyolester (POE) oils used
with R-410A and other refrigerants,
even in trace amounts, in a PVC or
CPVC piping system will result in
stress cracking of the piping and
fittings and complete piping system
failure.