– 2 –
WARNING:
Disconnect heater from the power supply before opening enclosures, washing or servicing heater.
This heater should only be serviced by qualified personnel with electrical heating equipment experience.
IMPORTANT NOTICES
WARNING:
Read and adhere to the following. Failure to do so may result in severe or fatal injury.
1.
Read and follow all instructions in this manual.
2.
Heater is not to be used in hazardous atmospheres where
flammable vapors, gases, liquids or other combustible
atmospheres are present.
3.
Heater is to be connected and serviced only by a qualified
electrician.
4.
Installation and wiring of the heater must adhere to all
applicable codes.
5.
Before opening any enclosures, disconnect the heater from
the power supply. Lock the switch in the
“OFF”
position and/or
tag the switch to prevent unexpected power application.
6.
The heater is not to be operated with the high-limit
disconnected from the control circuit.
7.
Elements get hot during operation. Contact can cause burns.
8.
Use factory replacement parts only.
9.
Maximum ambient operating temperature is 40°C(104°F).
10. If there are any questions or concerns regarding the heater,
please refer to contact info on page
10
.
Photocopy
this page
for reuse.
HEATER MAINTENANCE CHECKLIST
Heater Model :
Serial No. :
Date of Maintenance :
Maintenance Done By :
Comments :
ANNUALLY
1.
CLEAN
q
Calvane Elements
q
Motor
q
Fan
q
Discharge Grill
q
Inlet Grill
2.
CHECK
q
Motor for smooth, quiet operation
3.
ELECTRICAL
q
Check all terminal connections and conductors.
Tighten loose connections. Conductors with damaged
insulation must be replaced.
4.
MECHANICAL
q
Check motor shaft bearing play.
Replace motor if play is
excessive, or if motor does not run quietly and smoothly.
Bearings are permanently lubricated.
q
Check fan.
Replace immediately if cracked or damaged.
q
Check tightness of all hardware.
All fasteners must be
tight.
q
Turn heater on for a minimum of five minutes.
Check for
warm air exiting heater through discharge grill.
