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Instruction Manual

SECTION 6 - TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

SOLUTION

Pump Will Not

Prime

1. Pump not turned on or plugged in.

1. Turn on pump/plug in pump.

2. Output dials not set properly.

2. Always prime pump with speed and stroke

at 100%.

3. Foot Valve not in vertical position on

bottom of tank.

3. Foot Valve must be vertical

(see Foot Valve

Installation, Section 2.7)

4. Pump suction lift too high.

4. Maximum suction lift is 5 ft (1.5 m). Pumps with

High Viscosity Liquid Handling Assemblies require

flooded suction.

5. Suction tubing is curved or coiled in

tank.

5. Suction tubing must be vertical. Use LMI

ceramic

weight supplied with pump

(see Section 2.7)

6. Fittings are over tightened.

6. Do not overtighten fittings. This causes seal rings

to distort and not seat properly which causes

pump to leak back or lose prime.

7. Air trap in suction valve tubing.

7. Suction tubing should be as vertical as possible.

AVOID FALSE FLOODED SUCTION!

(see Section 2.2.1)

8. Too much pressure at discharge

(Pumps without multi-function valve.)

8. Shut off valves in pressurized line. Disconnect

tubing at injection check valve

(see Priming

Section 3.2)

. When pump is primed, reconnect

discharge tubing.

9. Air leak around fitting.

9. Check for missing or damaged O-rings at ends of

fittings.

Pump Loses

Prime

1. Solution container ran dry.

1. Refill container with solution and reprime

(see Section 3.2)

2. Foot Valve is not in a vertical

position on the bottom of the tank.

2. Foot Valve must be vertical

(see Foot Valve

Installation, Section 2.7)

3. Pump suction lift is too high.

3. Maximum suction lift is 5 ft (1.5 m). Pumps with

High Viscosity Liquid Handling Assemblies require

flooded suction.

4. Suction tubing is curved or coiled in

tank.

4. Suction tubing must be vertical. Use LMI

ceramic

weight supplied with pump

(see Section 2.7)

5. Fittings are over tightened.

5. DO NOT OVERTIGHTEN FITTINGS. This causes

seal rings to distort and not seat properly which

causes pump to leak back or lose prime.

6. Air trap in suction valve tubing.

6. Suction tubing should be as vertical as possible.

AVOID FALSE FLOODED SUCTION!

(see Section 2.2.1)

7. Air leak on suction side.

7. Check for pinholes, cracks. Replace if necessary.

Содержание ROYTRONIC EXCEL AD Series

Страница 1: ...ROYTRONIC EXCEL Series AD Electronic Metering Pumps Instruction Manual Manual No 2024 Rev G Rev Date 06 2019...

Страница 2: ...igurable to indicate calculated pump flow AD8 Pulse Analog Input w Dual Manual Control Digital Pulse or 4 20 mA signal input controls frequency digital LCD display manual stroke length control frequen...

Страница 3: ...e 12 5 The pumps are certified to NSF 61 with sodium hypochlorite 12 5 sulfuric acid 98 5 sodium hydroxide 50 and hydrochloric acid 30 Determine if the materials of construction included in the liquid...

Страница 4: ...nto low or no system pressure a back pressure anti syphon device such as LMI s Four Function Valve should be installed to prevent over pumping or syphoning Contact your LMI distributor for further inf...

Страница 5: ...ackwash in the system Steps such as turning the pump off should be taken during operation or installation to prevent this See your distributor about other external control options to help mitigate thi...

Страница 6: ...NG INSTALLATION 10 SECTION 3 OPERATION 11 3 1 OUTPUT ADJUSTMENT CONTROLS 11 3 2 START UP AND ADJUSTMENT 14 3 2 1 Start Up Priming for FASTPRIME Heads LE XXXNX 14 3 2 2 Start Up Priming for Pump Suppli...

Страница 7: ...URIZING THE DISCHARGE LINE FOR SINGLE BALL FASTPRIME HEADS ONLY 21 4 3 LIQUIFRAM DIAPHRAGM REPLACEMENT 22 4 4 START UP PRIMING FOR AUTOPRIME HEADS 23 4 5 INJECTION CHECK VALVE PARTS REPLACEMENT 24 4 6...

Страница 8: ...y number where Y is 1 or 8 AD2XY where X is any number where Y is 2 3 4 5 6 7 or 9 AD8XY or AD9XY where X is any number where Y is any number Operating Temperature 14 to 113 F 10 to 45 C 14 to 113 F 1...

Страница 9: ...g items Please notify the carrier immediately if there are any signs of damage to the pump or its parts Metering Pump Injection Check Valve Foot Valve Tubing 0 to 3 Rolls Ceramic Foot Valve Weight Fou...

Страница 10: ...ction conditions can affect the performance of the pump This effect is more pronounced with lower pressure pumps Consult your distributor for additional information Your LMI metering pump must be moun...

Страница 11: ...n tank A pump mounted in this manner allows for easy changing of solution tanks or drums 2 2 3 Suction Lift Tank Mount The pump may be mounted on a LMI 10 gallon tank part no 27421 35 gallon tank part...

Страница 12: ...ar of the Female Ferrule toward the Coupling Nut Then insert the Male Ferrule onto the end of the tube pushing the tube into the bottom of the groove in the Male Ferrule Then slide the Female Ferrule...

Страница 13: ...he valve opens sending solution back to the supply tank 2 Line Depressurization Opening the relief knob provides line drain back to the supply tank 4 FV prevents syphoning when pumping into a vacuum s...

Страница 14: ...leed Nut pressure relief port in any convenient location by tightening the 4 FV Coupling Nut with the Bleed Nut positioned 90 CCW from desired location then holding the 4 FV Coupling Nut stationary wh...

Страница 15: ...talled with the AUTOPRIME Liquid End are equipped with a valve that allows for constant removal of vapors and gasses inherent with effervescent chemicals such as Sodium Hypochlorite and Hydrogen Perox...

Страница 16: ...tions the foot valve in a vertical position 1 Attach the foot valve to one end of the suction tubing see Tubing Connections Section 2 3 2 Slide the ceramic weight over the tubing end until it contacts...

Страница 17: ...alve PTFE tape should only be used on threads that are connected with pipes When installing the Injection Check Valve be sure to position it so that the valve enters the bottom of your pipe in a verti...

Страница 18: ...hen a speed of 59 strokes per hour SPH is reached the speed can be further increased by pressing this button again to enter stroke per minute settings 5 LCD Display This display will show the stroke s...

Страница 19: ...nal Mode AD9 Green This pin is programmed as Internal External remote mode control for an AD9 If programmed as the Internal External control a closure will put the AD9 into external mode 4 Pulse Out A...

Страница 20: ...the sensor and the pump s reaction This is intended to avoid triggering during refilling your supply tank The pin functions are as follows 1 Tank Empty Signal 3 Tank Low Signal 4 Ground Return Connec...

Страница 21: ...does not self prime remove the fitting on the discharge side of the pump head Remove the check valve and pour water or solution into the port until the head is filled Replace valve then follow start u...

Страница 22: ...tment MUST be made Pump output should be calculated and adjustments made accordingly 3 3 1 Total Pump Output Calculate the approximate output of the pump as follows PUMP OUTPUT MAX PUMP OUTPUT X SPEED...

Страница 23: ...sitive to a gram 2 Ensure the pump is primed following the procedures in 3 2 3 Put the pump into Internal Mode and use the Power Button to turn the pump off 4 Hold the Up Button and Down Button in at...

Страница 24: ...y 3 4 METHODS OF EXTERNALLY TRIGGERING OR PACING AD8 AND AD9 PUMPS Method of Triggering AD8 and AD9 Pumps through External Control Connector Switch or transistors must be capable of switching 24V DC a...

Страница 25: ...nsistor Base goes high to trigger pump White 3 PNP Transistor Base goes low to trigger pump 1 Switch Closure Switch closing triggers pump PIN 3 2 3 2 3 2 3 2 Blue White Blue White Blue White Blue Figu...

Страница 26: ...required to recognize a pulse from the factory default of 60 ms hold both the Up Button and Down Button until a number appears followed by the letter m This number is the minimum required time in mill...

Страница 27: ...y P1 and the milliamp input that corresponds to zero strokes The Up and Down Buttons can be used to adjust this value Pressing the Power Button or waiting for about 8 seconds will display P2 and the m...

Страница 28: ...ould be closed BE SURE YOUR RELIEF TUBING IS CONNECTED TO YOUR 4 FV AND RUNS BACK TO YOUR SOLUTION DRUM OR TANK 2 Turn the black knob on the 4 FV 1 8 turn to the stop Turn and hold the yellow knob for...

Страница 29: ...been flushed lift the Foot Valve out of the solution and continue to pump air into the pump head until the pump head is purged of water or neutralizing solution Note If the liquid cannot be pumped due...

Страница 30: ...into the pump head until pump is purged of water or neutralizing solution Note If the liquid cannot be pumped due to LIQUIFRAM rupture carefully disconnect the suction and discharge tubing using prote...

Страница 31: ...O PAC kit number or contact your local LMI stocking distributor 1 Isolate Injection Check Valve and depressurize pipe or drain pipeline 2 Carefully depressurize and disconnect the discharge line see S...

Страница 32: ...fully remove the return line by gently pulling tubing and moving it from side to side to gradually back tubing off of the barbed fitting 3 Hold return line tubing upright until solution drains back in...

Страница 33: ...26 Instruction Manual SECTION 4 MAINTENANCE O Rings FastPrimeTM Valve Retaining Nut Valve 3 8 Clear Vinyl Tubing O Rings Knob FASTPRIMETM FASTPRIMETM Figure 17b FASTPRIME Valve O Ring Replacement...

Страница 34: ...PU Attachment Washer 160 Control Panel 180 Control Board 185 Power Board 190 Nameplate 195 Stroke Dial 230 Control Panel O Ring 240 Wire Harness 250 Drive Assembly Screws 260 Female Stroke Shaft 265 M...

Страница 35: ...28 Instruction Manual SECTION 4 MAINTENANCE 4 8 EPU WIRING DIAGRAM EPU ASSEMBLY EPU ASSEMBLY AD8 AD9 PULSER POWER CORD POWER CORD AD2 PULSER Figure 19 EPU Wiring Diagram...

Страница 36: ...Bar on left 2 Once on Online Literature Library use Product drop down to select Liquid Handling Assemblies 3 Select Gallery or Index to view Liquid End sheets The following images are for reference a...

Страница 37: ...Instruction Manual DEPENDING ON TUBING SIZE THE FERRULE GEOMETRY WILL BE DIFFERENT DEPENDING ON CARTRIDGE DESIGN AN O RING MAY BE PRESENT AS PART OF THE ASSEMBLY Figure 21 AUTOPRIME Liquid End Assemb...

Страница 38: ...ruction Manual OPTIONAL PIPE AND PIPE FITTINGS ARE CUSTOMER SUPPLIED DO NOT APPLY PTFE TAPE TO THIS THREAD PIPE AND PIPE FITTINGS ARE CUSTOMER SUPPLIED OPTIONAL Figure 22 Stainless Steel Liquid End As...

Страница 39: ...5 White Green Yellow Remote On Off Ground Return External Pulse Input 4 20 mA Input 6 PIN CONNECTOR USE 6 PIN CABLE LMI P N 49035 PIN WIRE SIGNAL 1 2 3 4 5 6 Red White Red Green Red Yellow Alarm Outpu...

Страница 40: ...5 WIRINGDIAGRAMS HALL EFFECT FLOWMETER INPUT CONNECTION REFERENCE TANK ON INPUT CONNECTION REFERENCE NOTE A Cable Cord set for this application is included with an optional LMI dual switch assembly P...

Страница 41: ...WIRING DIAGRAM TANK EMPTY INPUT CONNECTION REFERENCE NOTE A Cable cord set for this application is included with an optional LMI low level switch assembly P N 49246 or a LMI dual level switch assembly...

Страница 42: ...35 Instruction Manual SECTION5 WIRINGDIAGRAMS EXTERNAL PULSE INPUT CONNECTION REFERENCE INPUT WIRING DIAGRAM INTERNAL EXTERNAL CONTROL INPUT CONNECTION REFERENCE...

Страница 43: ...truction Manual SECTION5 WIRINGDIAGRAMS 4 20 MA INPUT CONNECTION REFERENCE INPUT WIRING DIAGRAM NOTE 0 to 20 input impedence is dynamic and will work with supply currents needing 130 Ohm or above impe...

Страница 44: ...CTION5 WIRINGDIAGRAMS PULSE OUTPUT CONNECTION REFERENCE OUTPUT WIRING DIAGRAM NOTE When using a PULL UP option use a 10K resistor and a 24VDC source can be used with Pin 5 of 5 Pin CONN 4 TO 20 MA OUT...

Страница 45: ...WIRINGDIAGRAMS ALARM OUTPUT CONNECTION REFERENCE OUTPUT WIRING DIAGRAM NOTE Use to switch on 24V source or less Do not use to switch on AC line Voltage without Relay Relay coils should be 24VDC or les...

Страница 46: ...ge Pumps without multi function valve 8 Shut off valves in pressurized line Disconnect tubing at injection check valve see Priming Section 3 2 When pump is primed reconnect discharge tubing 9 Air leak...

Страница 47: ...tput see Section 3 3 2 5 Tubing run on discharge may be too long 5 Longer tubing runs may create frictional losses sufficient to reduce pump s pressure rating Consult factory for more information 6 Cl...

Страница 48: ...is a trademark of Milton Roy LLC FASTPRIME is a trademark of Milton Roy LLC AUTOPRIME is a trademark of Milton Roy LLC DIGI PULSE is a trademark of Milton Roy LLC PRO PAC is a trademark of Milton Roy...

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