X100L Load Bank
7
b) Power connections
WARNING! ELECTRIC SHOCK HAZARD. All power connections must be connected or
guarded. Failure to do so will expose operators to possible shock.
c) Control Power
Use 120V type S or type SJ jacketed cord to a wall connection. Cord and service rated to 10 AMP
minimum. (see figure 2.)
d) Air intakes and exhaust ports
Caution! All air intakes and exhaust ports must be clear and fully open. This load bank
has one air intake designed for proper air flow. Reducing or blocking air flow will
lead to overheating and load bank failure.
High volumes of cooling air are needed to prevent load elements from overheating. By their very
nature, resistors under load convert electrical energy to heat. This heat must be removed from
the unit. The blower, intake, and exhaust ports are sized to provide the proper amount of cooling
air. Preventing or limiting air flow will allow the load bank to overheat.
Keep intake at least four feet away from walls and obstructions. Keep exhaust at least 10 feet
away from walls and obstructions.
To increase the life of the load elements, allow the fans to run at least three minutes after the load
is removed or until exhaust air is cool.
No ductwork is permitted on intake or exhaust of this load bank as this will cause a backpressure
which may be harmful to the resistors.
Caution! Material can be moved by intake air or exhaust air. Failure to secure material
could cause injury to bystanders or damage to the load bank.
e) Exhaust temperature
WARNING! FIRE AND BURN HAZARD. Keep flammable material at least 40 feet away from
the load bank. A great deal of heat is expelled from the load bank.
Temperatures inside the load bank are sufficient to ignite flammable fumes or
materials. Failure to maintain proper housekeeping and properly securing
flammable material could lead to fire, burns, and/or injury.
Even with sufficient air flow, internal component temperature may exceed 400 °C. Exhaust
temperatures of 90°C are common. Flammable materials must not be kept around the load bank.
Heat from the load bank could ignite this material.
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