A Series Temperature Controller
Thank you very much for purchasing DELTA A Series. Please read this instruction sheet to ensure correct
use before using your A series and please keep this instruction sheet handy for quick reference whenever
necessary.
Notice:
DANGER! Caution! Electric Shock!
1. Do not touch the AC terminals while the power is supplied to the controller in order
to avoid any electric shock.
2. Make sure the power is disconnected while checking the unit inside
WARNING!
This controller is an open-type temperature controller. Make sure to evaluate
any dangerous application in which a serious human injury or serious property
damage may occur.
1. Please use the specified solderless terminals (M3 screw, Max. width is 7.2mm or
less) and tighten them properly.
2. Do not allow the dust or metal fragments to fall inside the controller. These may
cause malfunction.
3. Never modify or disassemble the controller.
4. Do not wire to the No function terminals.
5. Make sure all wires are connected to the correct polarity of terminals.
6. Do not install and/or use the controller in places subject to:
• Dust or corrosive gases and liquid.
• High humidity.
• High radiation.
• Vibration and shock
• High voltage and high frequency
7. Must turn off the power when wiring and changing temperature sensor.
8. Be sure to use compensating wires that match the thermocouple types when
extending or connecting the thermocouple wires.
9. Please use wires with resistance when extending or connecting the wires of the
platinum resistance thermometer (RTD).
10. Please keep the wire route as short as possible when wiring platinum resistance
thermometer (RTD) to the controller and please route power wires as far away as
possible from load wires to avoid interferences and noise affection.
11. This controller is an open-type unit and it must be placed in an enclosure away
from high temperature, humidity, dripping water, corrosive materials, airborne
dust and electric shock or vibration.
12. This controller is an open-type unit and it must be placed in an enclosure away
from high temperature, humidity, dripping water, corrosive materials, airborne
dust and electric shock or vibration
Instruction Sheet
1
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