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8.4 Humidifi er Canisters
The optional steam generator type humidifi er does not require maintenance other than to replace
the canister as required. The frequency of change will depend on usage and water type. A set
of the humidifi er manufacturer’s instructions is included with the paperwork placed inside the unit
when it ships.
8.5 Fuses
Fuses may occasionally require changing especially with installations where the voltage is not con-
sistent. Drops in voltage can create brief periods of high amp draw, causing fuses to blow. Always
replace fuses with those of the equivalent rating with regard to: 1) amperage, 2) voltage and 3)
speed. For instance – compressors are and motors are inductive loads which require time delay
fuses where electric reheat and humidifi ers are resistive loads requiring fast acting fuses.
8.6 Heating Elements
Heating elements do not normally require maintenance. However, they may accumulate a fi lm of
dust or dirt when unused for extended periods of time. When energized, the burning debris can
create smoke or an unpleasant odor. To help avoid a problem, periodic cleaning is recommended.
8.7 Refrigerant Filter Drier
Factory installed refrigerant fi lter driers do not require maintenance or replacement unless the sys-
tem has been opened. When replacing compressors or other repairs that open the refrigeration
system to the atmosphere, it is always advisable to replace the fi lter drier. The equivalent type and
size should be used.
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