Wiring And Piping - Yoshitake CT-1 Product Manual

8.2 Wiring and piping

Warning
(1) Electrical wiring must be done by expert or professional person.
(2) This product is not available for the place (Atmosphere) where have the retention of
explosive gas.
*Since it is not in the explosion-proof structure, there is a danger of fire.
(3) When having the wiring work, please do the work in an environment where does not
enter the rainwater or surrounding water. Also please make sure the rainwater or
surrounding water so not enter the wiring port.
*In case of water enters there, there is the risk of electric shock
(4) When wiring, please make sure the power supply is not provided.
Caution
(1) Please have the proper piping diameter so as not to have pressure drop when piping to
the positioner.
*The valve may not work properly.
(2) When using the seal tape for piping, be aware not to enter it inside valve. If the seal
tape for piping enter the valve, it may result in malfunction or device damage.
(3) The compressed air the supply to the actuator, positioner and air regulator must the
clean dry air which is not include the moisture, oil, and foreign matter.
*The valve may not work properly if the foreign matter comes in.
(4) When purchasing the accessories, the air regulator and positioner are connected to the
actuator when supplying, so please do not give the damage to the piping of air regulator
and wiring for positioner.
【Method of connecting the air piping to the air
・When purchasing the goods with accessories, it is delivered by the structure with shown
in Fig. 6-7. Please connect the air piping to the operating air connection port in Fig.6-7.
Type EP-1 4-20mA
Electrical/pneumatic positioner
Current signal input
Compressed air
input
Air Regulator
G 1/2
Fig.6
-10-
regulator】
■ EPDT-318a ■