Page 1
OSRWT23A-EN Instruction manual Electric Actuated Butterfly Damper NIPPON VALVE CONTROLS, INC. SP-1519 Please read this manual before installation and use. GENERAL It composed of wafer type butterfly damper and high-power electric actuator. (Proportional control) Actuator PDX : For AC / DC power. PHX : For AC / DC power.
OSRWT23A-EN DAMPER SPECIFICATIONS Water Air, Gas Steam Chemicals Sea water Slurry Negative pressure Damper type WT (Without seat) WT (With SUS316 seat) Design 2-way, Wafer 2-way, Wafer Connection JIS Flanges 5K JIS Flanges 5K Fluid Max pressure 20 kPa 20 kPa Size [mm] 040 to 250 300 to 400...
Page 3
OSRWT23A-EN ELECTRIC ACTUATOR SPECIFICATIONS type Actuator type PDX-300- PDX-700- PDX-02K- PDX-06K- ( :Voltage code) Voltage 100 / 110 V AC ±10 % 50/60 Hz (Code: 1) 200 / 220 V AC ±10 % 50/60 Hz (Code: 2) 24 V AC ±10 % 50/60 Hz (Code: 3) 24 V DC...
Page 4
OSRWT23A-EN ELECTRIC ACTUATOR SPECIFICATIONS WIRING Setting with DIP SW • Operation Positioner board Voltage Mode A Mode B (R core 100/110VAC transformer) 200/220VAC DIP SW 24VAC (100/110VAC) (200/220VAC) 24VDC Input signal (Operation range) 4 to 20mA • Input signal Motor 1 to 5V 4 to 20 mA / 1 to 5 V SHUT OPEN Resistance...
Page 5
OSRWT23A-EN ELECTRIC ACTUATOR SPECIFICATIONS type Actuator type PHX-300- PHX-700- PHX-02K- PHX-06K- ( :Voltage code) Voltage 100 / 110 V AC ±10 % 50/60 Hz (Code: 1) 200 / 220 V AC ±10 % 50/60 Hz (Code: 2) 24 V AC ±10 % 50/60 Hz (Code: 3) 24 V DC...
Page 6
OSRWT23A-EN ELECTRIC ACTUATOR SPECIFICATIONS WIRING Setting with DIP SW • Mode setup Positioner board Voltage Mode A Mode B (R core 100/110VAC transformer) DIP SW 200/220VAC 24VAC (100/110VAC) (200/220VAC) 24VDC Input signal (Operation range) 4 to 20mA Brushless • AC / DC mode change 1 to 5V DC motor ON ® AC power OFF ® DC power SHUT OPEN 0〜40% 50〜100%...
OSRWT23A-EN ELECTRIC ACTUATOR SPECIFICATIONS OPTIONAL PARTS Specifications Code No. PDX PHX Remarks Input signal 4 to 20 mA or 1 to 5 V Mode A (Standard) Mode B operation 0-135 to 0-1 k Potentiometer input or 0 to 5 V Mode A Mode B 0 to 10 V...
Page 8
OSRWT23A-EN ELECTRIC ACTUATOR SPECIFICATIONS DIMENSIONS PDX-300, 700 PDX-02K PDX-06K PHX-300, 700 PHX-02K PHX-06K 2-G1/2 2-G1/2 2-G1/2 Parts name Body Terminal block Transformer 13 Rubber packing Motor cover Limit switch 10 Drive shaft Motor SW setting cam 11 Manual clutch Control board Potentiometer 12 Manual shaft (For 06K) 8/12...
OSRWT23A-EN INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS HANDLING & STORAGE POSITIONING HANDLING Should be positioned through 90° upward from Do not drop or throw the product as it may break. horizontal. Provide space around the product to allow STORAGE manual operation, inspection and replacement work. •...
OSRWT23A-EN INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS WIRING CONTROL PRECAUTIONS INPUT SIGNAL • Remove the actuator cover before wiring. • Use shielded wire for signal wiring where high level • Two G1/2 electrical connections are provided with a noise is generated or when the wiring distance is long. cable gland and plug.
OSRWT23A-EN INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS MANUAL OPERATION MAINTENANCE PRECAUTIONS • To prevent electric shock, be sure to turn off the power • Be sure to turn off the power before manual operation. when removing the actuator cover. • Operate manually with reference to the opening •...
OSRWT23A-EN INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS TROUBLE SHOOTING Problem Cause Solution Problem Cause Solution Actuator Faulty wiring. Correct the wiring. Stop in the There is a Remove a foreign does not mid position. foreign object in object. move. the damper. Voltage and Check the voltage and Damper is...
Need help?
Do you have a question about the WT Series and is the answer not in the manual?
Questions and answers