Instruction Manual
Contents
1. Er OY TIMED DRAN VALVE z Series DV is an automatic drain system designed to eliminate the need to manually drain water and harmful sediments from your compressed air system thereby improving the systems perfor mance The unit can be used on receivers dryers tanks and drop legs for Sampling and purging a wide variety of liquids The Series DV has a heavy duty motor for operation under adverse conditions and an adjustable timer to meet specific user requirements By de Sign the Series DV eliminates major drawbacks of other com pressed air draining systems The valve is brass for corrosion resistance and tt Is a full port ball valve giving maximum and unob structed flow with no clogging A test button allows for the unit to be cycled at any time It is mountable in any position for easy plumbing and trouble free operation Do not apply electrical power to the unit unless the unit is fully as sembled and mounted Failure to do so could result in personal in jury and or damage to the unit Disconnect power source and depressurize the system before working on the unit Failure to do SO could result in personal injury The downstream or discharge Side of the ball valve must be directed to a safe area for collecting water oil and debris The compressed air system is pressurized during operation Appropriate precautions are recommended CAUTION It is recommended that eye protection be worn while Servicing the system Failure t2. hen unit is installed in the piping system Eye protection is recommended OPERATION Plug the cord set into a proper power source Set the dial at the desired frequency of operation The valve will cycle and the timing sequence will begin To change the timing sequence simply change the code setting and the timer will reset The test button may be used to cycle the unit at any time MAINTENANCE Periodic maintenance is recommended to ensure long depend able service from your drain valve Check power cord for breaks in the outer jacket or damage to the plug The case should be kept clean so that label instructions are legible The ball valve should be checked for leakage at the downstream side The Series DV is not field serviceable and should be returned if repair is needed field re pair should not be attempted and may void warranty Be sure to include a brief description of the problem plus any relevant appli cation notes Contact customer service to receive a return goods authorization number before shipping TROUBLESHOOTING CHART Valve does not cycle Proper power is not Check that power cord is reaching unit plugged into the proper power source Check power source Push test button Reset timer Timer set improperly Excessive seat damage Push test button to flush from debris valve Replace ball valve Ball valve leaks at discharge side Unit cycles but does No pressure upstream Check that Pneumatic system is pre
3. ing NEMA 4 Housing Material P olycarbonate Electrical Connection 18 AWGX3C 8 ft 24 m power cord Phone 219 879 8000 Fax 219 872 9057 www dwyer inst com e mail info dwyer inst com INSTALLATION Figures 1 amp 2 show typical installations of the drain valve It is recommended that the motorized drive be removed from the valve before piping the valve into your system Then reinstall the motorized drive unit to the valve This can be done using the four screws holding the valve to the case Install the automatic drain valve to the compressed air system at a point where moisture would tend to collect Pipe the opposite end of the valve to your discharge area Note This unit may be mounted in any position with the flow in either direction For air receiver applications fig 1 it is recommended copper tubing be used for all connection of the pressure side of the valve For drop leg applications fig 2 install ridged tubing or pipe from the valve to the lowest practical point of your system oie E Mila Fig 1 Fig 2 Copyright 2006 Dwyer Instruments Inc W E ANDERSON DIV DWYER INSTRUMENTS INC P O BOX 358 MICHIGAN CITY INDIANA 46361 U S A Printed in U S A 7 06 WARNING Always disconnect power source before working on this unit Failure to do so could result in personal injury The valve Is under pressure Discharge of compressed gas or fluids will occur during any cycling of the ball valve w
4. o do so could result in personal injury WARNING The motorized drive unit case is not capable of sup porting any loads Do not attempt to use the unit as a step This will cause damage to the unit and could cause personal injury Do not use in hazardous locations CAUTION Do not use the case as leverage when mounting this unit or tightening fittings Use the wrenching flats on the valve body W E ANDERSON DIV DWYER INSTRUMENTS INC P O BOX 358 MICHIGAN CITY INDIANA 46361 U S A Series DV Timed Automatic Drain Valve Specifications Installation and Operating Instructions Bulletin V 18 ELL DV TIMED DRAIN VALVE PRESS 3422555555 Yaon yazo TaT a 3 l 1 2 3 4 OR 1 NPT BOTH ENDS SPECIFICATIONS Body 2 piece Line Size 1 4 to 1 End Connections Female NPT Pressure Limit 200 psi 13 8 bar Wetted Materials Body End Cap Forged Brass Ball Stem Chrome Plated Brass Seat RTFE Stem Seal Fluoroelastomer Bushings Brass Temperature Limits 35 to 165 F 2 to 74 C Other Materials Thrust washer RTFE Fasteners Stainless Steel Discharge Time 3 5 seconds non adjustable Discharge Volume Cycle 1 2 0 92 gal 80 psi valve only 3 4 1 64 gal 80 psi 1 2 50 gal 80 psi ACTUATOR Electric Power Requirements 110 VAC 60 Hz single phase Power Consumption 2 5 A Cycle Time Adjustable 5 min 10 min 15 min 30 min 1 hr 2 hr 4 hr 8 hr 16 hr 24 hr Enclosure Rat
5. ssurized Disconnect power Depressurize pneumatic system Remove drain valve and check for blockage in the valve and the line Valve discharges Timer set improperly Reset timer to longer mostly air each cycle intervals Valve discharges all Timer set improperly Reset timer to shorter liquid each cycle intervals not discharge water Valve or line clogged and or air with debris FR R2 443450 00 Phone 219 879 8000 Fax 219 872 9057 www dwyer inst com e mail info dwyer inst com
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