
AB-7245
2
Safety Instructions
Please read instructions carefully and use the product as specified in this manual. Be sure to keep this manual near by for ready
reference.
Usage Restrictions
This product is targeted for general air conditioning. Do not use this product in a situation where human life may be affected. If
this product is used in a clean room or a place where reliability or control accuracy is particularly required, please contact our
sales representative. Azbil Corporation will not bear any responsibility for the results produced by the operators.
Warnings and Cautions
WARNING Alerts users that improper handling may cause death or serious injury.
CAUTION Alerts users that improper handling may cause minor injury or material loss.
Signs
Alerts users possible hazardous conditions caused by erroneous operation or erroneous use. The symbol inside
indicates the specific type of danger.
(For example, the sign on the left warns of the risk of electric shock.)
Notifies users that specific actions are prohibited to prevent possible danger. The symbol inside graphically
indicates the prohibited action.
(For example, the sign on the left notifies that disassembly is prohibited.)
Instructs users to carry out a specific obligatory action to prevent possible danger. The symbol inside graphically
indicates the actual action to be carried out.
(For example, the sign on the left indicates general instructions.)
WARNING
Before wiring and maintenance, be sure to turn off the power to the product.
Failure to do so might cause electric shock.
Be sure to ground the product with ground resistance of less than 100 Ω.
Improper grounding might cause electric shock or malfunction.
Detach the terminal cover only when wiring the product. Before detaching the terminal cover, be sure to turn off the
power to the product and all the connected devices. After wiring, be sure to reattach the terminal cover.
Failure to do so might cause electric shock.
Install this product in a location out of reach of unauthorized people. (e.g. Inside of the control panel)
Failure to do so might cause electric shock.
CAUTION (1/2)
Install the product in a location that satisfies the operating conditions (temperature, humidity, power, vibration, shock,
mounting direction, atmospheric condition, etc.) as listed in the specifications and use the product within the operating
ranges as listed in the specifications.
Failure to do so might cause fire or device failure.
Installation and wiring must be performed by qualified personnel in accordance with all applicable safety standards.
All wiring must comply with applicable codes and ordinances.
Separate the power supply cables from the signal cables so that noise generated in the power supply cables will not
affect the signal cables.
Failure to do so might cause communication errors.
To connect the wires to the screw terminals, use crimp terminal lugs with insulation.
Failure to do so might cause fire or device failure due to short circuit.
Firmly tighten the terminal screws.
Insufficient tightening of the terminal screws might cause fire or overheating.