INSTRUCTION
1. Warning
Be careful of the following items that may cause injury or damage.
• Do not place tiny items on top of the machine to avoid dropping them into the
machine.
• Pay close attention to the warning signs on the machine that indicates a dangerous or
“no-touch” area of the machine.
• Keep hands and fingers away from glue tank and notching station.
• Use only the suggested hot melt glues with the following characteristics:
Application temperature: 293 °F (145 °C) to 320°F (160 °C)
Working Glue Viscosity: 1,500 to 2,600 CPS
• Duplo USA is not responsible for the quality of the binding that is produced by
the non-suggested glues.
In case of thermostat failure :
DB-250 has implemented the secondary thermostat to protect the glue tank temperature
over 392 °F (200 °C). When it occurs, the power of DB-250 will be automatically turned
off. You have to wait for the glue tank to cool down before you can restart the machine.
If this problem occurs again, call your authorized dealer for service.
2. Installing the machine
2-1 Notes on Installation
Power Supply
(A) Connect the machine to a dedicated power outlet. Never connect the machine to
a power outlet servicing other appliances or electrical devices.
(B) Place the machine close to the power outlet. Do not use extension cords. Use the
machine only where voltage is relatively constant.
(C) The range of power supplies for proper operation of the machine.
Tolerance of power supply: LOCAL VOLTAGE 110V or 220V ± 10%
Frequency fluctuation : 110 V @ 60Hz ± 10% or 220V @ 50Hz ± 10%
(D) Check periodically to ensure the following:
• The plug is not excessively hot.
• The power cord is not damaged.
• The plug is firmly plugged into the outlet.
Installation Environment
(A) Install the machine on a level safe, firm and solid table which will hold the
weight of the machine.
(B) Keep the machine away from the direct sunlight and heat sources such as stoves,
heaters and radiators.
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