A.2 Periodic; A.3 Annual - Ruffneck FX5 Serie Instructions D'installation, D'utilisation Et D'entretien

A.2 Periodic
(before and as required during heating season)
• Clean
Motor
…
Louvers
…
Finned Tubes
…
Fan
…
Fan Guard
…
A.3 Annual
(before heating season)
• Mechanical Check
Fluid leakage. The heater core is vacuum charged
…
and contains propylene glycol. Inspect the
Pressure Relief Valve label indicator for signs
of rupture and degradation. If the paper is torn,
disintegrated or otherwise compromised this
is an indication that fluid has leaked from the
core. If any fluid leakage occurs from the heater,
disconnect it from the power supply and have the
core replaced. A factory supplied exchange core
can be shipped immediately from stock. Refer to
Section Repair & Replacement, page 18 for
details.
All enclosures. Interior of enclosures must be
…
clean, dry and free of foreign materials. Threaded
covers must be installed and hand tight.
Note: Enclosure joints are metal to metal. Do
A grease is applied to the joints at the
Motor shaft bearing play. Replace motor if play
…
is excessive, or if motor does not run quietly
and smoothly. Motor bearings are permanently
lubricated.
Fan. Replace immediately if cracked or damaged.
…
Louvers. Screws should be tight. Louvers shall
…
not be fully closed or override stops.
Tightness of all hardware. All nuts and bolts,
…
including mounting hardware, must be tight.
Turn heater on for a minimum of five minutes.
…
Check for warm air exiting heater through louvers.
Crackling or pinging noises within heater during
start-up are normal.
4 4
not use gasket material or sealant in joints.
factory and should be left intact.
• Check
Motor for smooth, quiet operation
…
Louvers for proper angle and tightness
…
All explosion-proof covers for tightness
…
Pressure relief device for signs of leakage.
…
See Figure 1, page 5 and refer to A.3 Annual,
page 4, for further instructions.
• Electrical Check
All terminal connections and conductors. Tighten loose
…
connections. Conductors with damaged insulation
must be replaced.
Inspect contactor contacts. If badly pitted, burned or
…
welded shut, replace with factory supplied contactor.
For severe duty conditions such as arctic duty or
drilling rigs, Thermon Heating Systems recommends
the contactor be replaced every two years.
Fuses. Fuse rating and type are on printed circuit
…
board. Correct fuse must be in the active fuse clip. It is
recommended that a spare fuse be stored in the spare
fuse clip.
All explosion-proof conduits. Replace damaged
…
conduits. All threaded conduit connections must have
a minimum 5 turns engagement. Straight threaded
conduit must protrude a minimum of 1/16" (1.6 mm)
inside enclosures. Taper threaded connections must be
at least hand tight.
Electrical resistance on all load side legs. Reading
…
should be balanced (± 5%).
For assistance, please call
Toll Free: 1-800-661-8529 (24 hrs)
U.S. & Canada
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