VPro WT Manuals

OSVWT20A-EN 1/12 Instruction manual Electric Actuated Butterfly Damper WT SP-1379 Please read this manual before installation and use. GENERAL It composed of wafer type butterfly damper and high-power electric actuator. (Proportional control) Actuator AEX : For AC power. It corresponds to various control input signals. PEX : For AC / DC power. High speed response control and high reliability offers by using a brushless DC motor. Damper WT type For Wafer (JIS 5K) Damper body and disk made by precision processing ensure reduced leakage from damper seat. This series can be used at fluid temperatures ranging from -40 °C to +550 °C. PRODUCT CODE WT type (Without seat) W T 2 T G 0 - - - (With SUS316 seat) W T 2 T G S - - - (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (1) Actuator AEX PEX (2) Damper WT (3) Voltage 1 : 100 / 110 V AC 2 : 200 / 220 V AC 6 : 100 to 240 V AC 0 : 24 V DC (4) Sizing code 0 : Standard 1 : Light 2 : Heavy (5) Connection 2 : JIS 5K (6) Body material T : SCS13A (7) Packing material G : Expansion graphite (8) Seat material 0 : (Zero) None S : SUS316 (9) Size [mm] ex. 80 A 080 (10) Option L : Auxiliary limit switch EA : Alarm output board EI : 4 to 20 mA Indication signal board (11) Operation mode Nil : Mode A J : Mode B