PowerVac G G5 | PowerVac G G6 | PowerVac G G7 | PowerVac G G14 | PowerVac G G10 | User manual | Midmark PowerVac G G3, G5, G7, G6, G10, G14 vacuum system Service and Parts Manual

PowerVac

®

G

Model Numbers:

Single Vac Units

G3

G5

G7

Twin Vac Units

G6

G10

G14

Service and

Parts Manual

FOR USE BY MIDMARK TRAINED TECHNICIANS ONLY

© 2010 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 | midmark.com

Style B

004-0790-00 (3/30/16)

© Midmark Corporation 2010 SF-1943 [Revised: 03/30/16]

GENERAL INFORMATION

Symbols

.................................................................iii

Ordering Parts & SN location

.............................iii

Specifications

....................................................... iv

Model Identification & Compliance Chart

.......... v

Warranty

............................................................... vi

TROubLEshOOTING

Vacuum System Operation

............................. A-2

Electrical System Operation

........................... A-3

Troubleshooting Chart

..................................... A-4

VFD Error Codes ......................................... A-6

TEsTING & AdjusTMENTs

Door Limit Switch & On/Off Switch

................ B-2

Float

................................................................... B-5

Check Valve

...................................................... B-8

Motor & Pump

................................................. B-10

Master Control Panel

..................................... B-15

VFD (Variable Frequency Drive)

.................. B-18

Line Filter

......................................................... B-20

Fuse & Transformer

....................................... B-22

PC Board

......................................................... B-25

Contactor

......................................................... B-28

Pressure Sensor

............................................. B-30

Fan

................................................................... B-32

Gauge

.............................................................. B-34

Separator Tank

............................................... B-35

Vacuum Adjustment ................................... B-36

VRV ........................................................... B-37

AccEss pROcEduREs

Front Cover

....................................................... C-2

Top Plate

............................................................ C-3

Electrical Cover

................................................. C-4

Back Cover

........................................................ C-5

VFD Covers ......................................................... C-6

WIRING dIAGRAMs

PowerVac G (Electrical Box)

......................... D-2

VFD (Variable Frequency Drive)

.................... D-5

Motor Connections ...................................... D-6

PC Board

........................................................... D-7

ExpLOdEd VIEWs

Single Models

................................................... E-2

Twin Models

...................................................... E-3

REpAIR pROcEduREs & FORMs

Single to Twin Conversion

.................003-2026-00

(*) Indicates multiple pages due to model / serial number break(s).

ii

symbols

dANGER

Indicates an imminently hazardous situation which will result in serious or fatal injury if not avoided.

This symbol is used only in the most extreme conditions.

WARNING

Indicates a potentially hazardous situation which could result in serious injury if not avoided.

caution

Indicates a potentially hazardous situation which may result in minor or moderate injury if not avoided. It may also be used to alert against unsafe practices

Equipment Alert

Indicates a potentially hazardous situation which could result in equipment damage if not avoided.

Note

Used for special instructions or additional information.

Ordering parts

The following information is required when ordering parts:

• Serial number & model number

• Part number for desired part

(Refer to Section E: Exploded Views & Parts Lists)

Non-warranty parts orders may be faxed to Midmark using the Fax Order Form in the back of this manual.

For warranty parts orders, call Midmark’s Technical Service

Department with the required information.

Hours: 8:00 am to 5:00 p.m. EST (Monday thru Friday)

Phone: 1-800-Midmark (1-800-643-6275)

serial Number Location

The symbols below may be used in this manual to represent the operational status of table functions and components.

Indicates the function / component is working properly.

No action required.

Indicates the function / component is working, but a problem exists.

Indicates the function is not working at all, or that the component is faulty.

serial Number Label

© Midmark Corporation 2010 SF-1943 [Revised: mo/dd/yr] iii

powerVac

®

G Specifi cations

Model

G3

G5

G7

G6

G10

G14

Max users base unit hxWxd separator hxWxd

Actual Weight

(Lbs.)

Total hp

Voltage Amps hertz Recommended breaker size

(Amps)

Classifi cations: Class 1, Type B Applied Part

Inlet connection size (IN.)

Fuses drain connection size (IN.)

3-5 25 x 22 x 20

Each

5-7 25 x 22 x 20

Each

7-10 25 x 22 x 20

Each

6 25 x 22 x 20

Each

10 25 x 22 x 20

Each

14 25 x 22 x 20

Each

34 x 22 x 22

Each

34 x 22 x 22

Each

34 x 22 x 22

Each

34 x 22 x 22

Each

34 x 22 x 22

Each

34 x 22 x 22

Each base unit - 375 separator - 49 base unit - 375 separator - 49 base unit - 375 separator - 49 base unit - 375 separator - 49 base unit - 375 separator - 49 base unit - 375 separator - 49

3

3

3

6

6

6

230

230

230

230

230

230

20

20

20

40

40

40

60

60

60

60

60

60

30

30

30

2 x 30

2 x 30

2 x 30

1 1/2”

1 1/2”

1 1/2”

2”

2”

2”

1/8 A, 250V

Type T

1/8 A, 250V

Type T

1/8 A, 250V

Type T

1/8 A, 250V

Type T

1/8 A, 250V

Type T

1/8 A, 250V

Type T

1 1/2”

1 1/2”

1 1/2”

1 1/2”

1 1/2”

1 1/2”

Specifications

© Midmark Corporation 2010 SF-1943 [Revised: mo/dd/yr] iv

Model Identification / Compliance Chart - PowerVac

®

G

Model

G3

G5

G7

G6

G10

G14

Description

PowerVac

®

G Dry Vacuum System - Single - 3 to 5 User

PowerVac

®


PowerVac

®


PowerVac

®

G Dry Vacuum System - Twin - 6 to 10 User

PowerVac

®


PowerVac

®


UL

60601-1

•

•

•

•

•

•

Complies To:

CAN / CSA

22.2,

#601.1-M90

•

•

•

•

•

•

EN

60601-1-2

(EMC)

•

•

•

•

•

•

VAC

+/- 10%

230

230

230

230

230

230

Electrical Ratings:

Amps Cycles (Hz)

20

20

20

40

40

40

60

60

60

60

60

60

© Midmark Corporation 2010 SF-1943 [Revised: mo/dd/yr] v

Warranty

Midmark Corporation (“Midmark”) warrants to the original purchaser its new PowerVac

®

G products and components (except for components not warranted under “Exclusions”) manufactured by Midmark to be free from defects in material and workmanship under normal use and service. Midmark’s obligation under this warranty is limited to the repair or replacement, at

Midmark’s option, of the parts or the products the defects of which are reported to Midmark within the applicable warranty period and which, upon examination by Midmark, prove to be defective.

Applicable Warranty Period

The applicable warranty period, measured from the date of installation for the original user, shall be (5) years or 10,000 usage hours (whichever comes first) for all warranted products and components. Ten (10) years or 20,000 usage hours (whichever comes first) for the pump only.

Exclusions

This warranty does not cover and Midmark shall not be liable for the following: (1) repairs and replacements because of misuse, abuse, negligence, alteration. accident, freight damage, or tampering; (2) products which are not installed, used, and properly cleaned as required in the Midmark “Installation” manual and or PowerVac

®

G Care Guide for this applicable product; (3) products considered to be of a consumable nature; (4) accessories or parts not manufactured by Midmark; (5) charges by anyone for adjustments, repairs, replacement parts, installation, or other work performed upon or in connection with such products which is not expressly authorized in writing in advance by Midmark.

Exclusive Remedy

Midmark’s only obligation under this warranty is the repair or replacement of defective parts. Midmark shall not be liable for any direct, special, indirect, incidental. exemplary, or consequential damages or delay, including , but not limited to, damages for loss of profits or loss of use.

No Authorization

No person or firm is authorized to create for Midmark any other obligation or liability in connection with the products.

THIS WARRANTY IS MIDMARK’S ONLY WARRANTY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED. MIDMARK MAKES NOT IMPLIED WARRANTIES OF ANY KIND

INCLUDING ANY WARRANTIES OF MECHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. THIS WARRANTY IS LIMITED TO THE REPAIR OR REPLACEMENT OF DEFECTIVE

PARTS.

© Midmark Corporation 2010 SF-1943 [Revised: mo/dd/yr] vi

Operation &

Troubleshooting

Vacuum System Operation .................A2

Electrical System Operation ..............A3

Troubleshooting ..................................A4

VFD Covers .......................................C-6

© Midmark Corporation 2010 SF-1943 [Revised: mo/dd/yr]

A-1

Vacuum system Operation

Air, water, and solids from the operatory are pulled into the separator. Air is expelled out through the pump exhaust while water and solids fall to the bottom of the tank. The vacuum in the separator keeps the check valve to the drain closed and the tank gradually fills.

The rising fluid level eventually closes the top float switch, which turns the pump off. Since vacuum is no longer being maintained, the check valve opens allowing water and solids to drain from the separator. The upper and lower reed switch floats interact as a latching circuit with the internal relay to release upon drain below the bottom float.

Note: If the power is shut off, the unit will drain automatically due to a loss of vacuum regardless of the water level in the tank.

When the tank drains enough to open the bottom float switch, the pump starts running again. This restores vacuum and closes the check valve. Note: if the power is turned off, tank will drain completely.

When no instruments (suction tips) are being used (HVEs shut off for 5 seconds or more) the system goes into sleep mode to save energy. Sleep mode pressure is set to 6”Hg.

Vacuum pressure will ramp down from its normal operating pressure to sleep mode pressure when the unit goes to sleep. The sleep mode pressure is maintained at 6”Hg until the variable frequency drive (VFD) senses an increase in vacuum pressure is required when an instrument (suction tip) has been opened. The VFD will then speed up the motor to increase vacuum pressure to the normal operating pressure.

Models:

Serial Numbers:

All

all

Note

Earlier production units had three reed switch floats. The middle float was not used and is not installed in current production units.

check Valve

(Open) drain drain

Exhaust

From

Operatory check Valve

(closed) pump stopped


A-2

Electrical Operation...............A3

Troubleshooting.....................A4

Vacuum

Air (Atmospheric pressure)

Water and solids pump Operating check Valve

(closed) drain

Exhaust

AA2267

pump Operating

(sleep Mode)

Always verify model & serial number

Electrical system Operation

When Main input power supply (230V) is on, it is supplying line voltage to the vacuum pump electrical system.

The Main input power supply (230V) is supplied to the contactor, thermostat, fans, transformer, variable frequency drive (VFD), and the line filter. When the

On/Off switch or master control switch are in their off state or the front panel is removed from the unit, the contactor will remain open and the input power will be connected to the input side of the contactor, thermostat, fans, and the transformer only.

When the contactor is energized, it closes and connects the main input power supply to the line filter.

Main input power supply is then applied to the VFD through RL1 and SR2 (single phase).

The transformer’s output sends 24 volts AC to the PC board. 24 volts AC power is used to control the door limit switch, hour meter, and floats. The electronics on the PC board convert 24 VAC to 24 VDC for the pressure sensor though the means of a connector.

When instruments (suction tips) are in use, the vacuum pump is running and claws are turning to build up vacuum pressure. The pressure sensor is constantly measuring the amount of vacuum pressure. When the pressure level drops below the vacuum set point

(12”Hg – factory setting), the pressure measurement initiates the VFD to speed up the motor. When pressure is above set point the VFD slows the motor down.

When the vacuum is shut off from the remote switch the timer starts and will turn on the vacuum for one minute every two hours. (Standard on new units, older units can be upgraded)

Transformer

Contactor

Line Filter

ON CTS

YL YL

Pressure

Sensor

Fans

Themostat

Vacuum Operation.................A2

Troubleshooting.....................A4

Note

Timer Bd. Std. after SN: V1648735 units prior to this can be updated

VFD

Box

AA2486i

Parallel Connection

230 VAC

Line Voltage

Note

On twin units a parallel cable (4-pin Master / 6-pin Slave) connects the two base units on the side of the electrical box. The plumbing is connected using a tee assembly.

The parallel connection is controlled between variable frequency drives in a twin configuration. Twin units run the same as a single unit. Keypad, hour meter and fans are located on the outside of the base unit. Pressure sensor and float are located on the separator tank.


A-3

Troubleshooting chart

Problem

Motor not running

Or breaker keeps tripping.

Probable Cause

No power.

Loose connection or bad switch.

Separator tank not draining.

Wire harness between VFD and PC board loose or broken.

Pump is locked up.

PC board not working properly.

Contactor not working properly.

VFD not working properly.

Motor bad.

Check

Check on/off switch and disconnect box.

Door limit switch, on/off switch and master control panel.

Correction

Verify on/off switch is on. Check power supply. The PowerVac G should be installed to a dedicated disconnect box. Refer to: PowerVac G installation manual at

www.midmark.com

for site requirements.

Check LED light “D4”, if “ON” only check

“Low Voltage”.

If LED light is not on, preform checks on Door Limit switch, On/Off switch, and master control panel. Refer to: Section B

“PC Board”

to check LED light,

“Door

Limit Switch”, “On/Off Switch”

and

“Master Control Panel”

.

Check drain check valve.

Check float.

Check wire harness connections.

Check pump.

Check PC board.

Check contactor.

Check VFD box.

Check motor.

Test check valve and replace if necessary.

Refer to:

Section B Check Valve.

Check float and replace if necessary. Refer to:

Section B: Float.

Check for loose or broken wire harness between VFD and PC board.

Ensure grey cable is plugged into VFD and PC board.

Check pump and unlock if necessary. Refer to:

Section B Pump.

Refer to:

Section B PC board

Check Contactor. Refer to:

Section B Contactor

Remove electrical box cover. Refer to:

Section C Electrical Cover

Verify VFD and PC board lights are working.

Lights working on VFD, and PC board and or VFD has a code shown on

the readout, check VFD box. Refer to:

Section A VFD Error Code Chart

and

Section B VFD

Lights not working on VFD, check Line Filter and Contactor.

Refer to:

Section B Line Filter

Refer to:


Lights not working on PC board, check Fuse and Transformer.

Refer to:

Section B Fuse and Transformer.

Preform all motor checks. Refer to:

Section B Motor and Pump

Note

When working on Twin units, unplug parallel harness.

Models:


All

all


A-4


Troubleshooting chart

Problem

Operatory has low or no suction.

Probable Cause

Motor not running.

Hoses leaking or have loose connection.

Check valve clogged.

Check

See “Problem” , motor not running or breaker keeps tripping.

Check hoses and bulkhead fittings.

Correction

If motor is not running, Refer to:

Section A Motor not running.

Check drain check valve.

Check for leaks, kinks and loose connections in the hoses, bulkhead fittings and separator lid gasket.

Check drain line check valve. Refer to:

Section B Check Valve

Motor cutting out or running at a reduced speed.

Exhaust line clogged.

Pressure sensor not working properly.

Ambient temperature too high.

Contactor not working properly.

Pump is locked up.

Exhaust line clogged.

Motor running at top speed all the time. does not go into sleep mode.

VFd show Error code

Motor not running properly.

Pressure sensor not working.

Plumbing lines leaking.

VRV not working.

Various

Check exhaust.

Remove exhaust hose to see if suction increases. Unclog or replace exhaust line if suction increased when checking.

Check pressure sensor. Refer to:

Section B Pressure Sensor

Check pressure sensor and wire harness for pressure sensor.

Check equipment room temperature. Temperature should be 40° to 104 ° degrees Fahrenheit or

4 - 37 Celsius.

Check contactor.

Check pump.

Refer to:


Check pump and unlock if necessary. Refer to:

Section B Pump.

Check exhaust.

Check motor.

Check pressure sensor

Check office plumbing system.

Check VRV.

VFD Error Code Chart

Remove exhaust hose to see if suction increases. Unclog or replace exhaust line if suction increased when checking.

Refer to:

Section A Motor not running.

Check pressure sensor. Refer to:

Section B Pressure Sensor

Verify there are no leaks. Fix any leaks found. Refer to:

Section B VRV

Perform adjustment procedure for “Hg on the VRV.

Refer to: Section A VFD Error Codes

Models:


All

all


A-5

Note



VFd (Variable Frequency drive)

Error Codes

Note

if the LEDs on the display are constantly lit or are flashing when logging a call into the Tech Service department.

This indicates the severity of the error.

Display

oL1 oL2 oL3 oL4

FbH

FbL

GF

LF

LF2

Description

Motor Overload

Drive Overload

Overtorque Detection 1

Overtorque Detection 2

Excessive PID Feedback

PID Feedback Loss

Ground Fault

Output phase Loss

Output Current Imbalance

© Midmark Corporation 2010 SF-1943 [Revised: 5/21/12]]

Pump locked up.

Pump locked up.

Pump locked up.

Pump locked up.

Probable Cause

Pressure sensor failure.

Plumbing system is not completed.

Harness not properly connected to base unit or sensor on tank.

There is a broken wire in one of the harnesses. Verify by performing a continuity check.

Correction

Check Pump. Refer to: Section B Pump. Use only Midmark specified cleaning solutions.




Replace pressure sensor.

Vacuum needs to be connected to a completed plumbing system.

Verify that the pressure sensor harness has been properly connected to the base unit 3-pin connector.

Replace appropriate harness.

The 24V power supply on the control PCB daughter card has failed. Use a voltmeter to check output voltage at the rear of J2 connector on the 015-2815-00 assembly.

Replace 015-2815-00 PCB assembly. Refer to Section B: Daughter

Card.

Pressure sensor failure.

The motor insulation is damaged.

Replace pressure sensor.

Replace motor.

One of the wires in the motor harness is creating a short circuit.

There may be a bad drive transistor.

Replace 015-2742-00 motor harness.

Replace the drive.

The 3 phase drive output may have a loose connection. Inspect wire terminations and tighten loose screws.

A motor winding could be damaged and opened resulting in the lost phase.

There may be a bad drive transistor.

Replace motor.

Replace the drive.

The 3 phase drive output may have a loose connection. Inspect wire terminations and tighten loose screws.

A motor winding could be damaged and opened resulting in the lost phase.

A-6

Replace motor.


Error Codes

Note

if the LEDs on the display are constantly lit or are flashing when logging a call into the Tech Service department.

This indicates the severity of the error.

oC ou

Display

Uu1 or Uu dEu oH or oH1

SC

Description

Overcurrent

Undervoltage

Probable Cause

The motor has been damaged due to overheating (motor insulation damage).

One of the motor cables is damaged causing a grounding issue.

The pump has locked up.

Replace motor.

Correction

Replace 015-2742-00 motor harness.

Replace pump. Use only Midmark specified cleaning solutions.

The input power connections to the drive may be loose.

Inspect wire terminations and tighten loose screws.

Door limit switch, on/off switch or master control panel may be bad.

Output connections from the contactor are loose.

The power has been momentarily interrupted. No action required.

The internal drive circuitry has worn down.

Check door limit switch and master control panel.

Refer to: ,

“Door Limit Switch”, “On/Off Switch”

and

“Master Control Panel”

.

Inspect wire terminations and tighten loose screws.

Occurs when turning off the unit.

Replace the drive.

Overvoltage Power surge event occurred on the power input to the unit.

Ground fault in the output of the drive circuit causing the

DC capacitors to overcharge. Perform continuity check on the motor windings and motor harness for shorts.

Excessive Speed Deviation The pump is locked up.

Heatsink Overheat The pump is locked up.

Ambient temperature is too high.

Power cycle unit. Allow everything to shut down before switching unit back on.

Replace faulty component, either motor or 015-2742-00 wire harness.

Check Pump. Refer to: Section B Pump. Use only Midmark specified cleaning solutions..


Allow room to cool or add extra air flow.

Communication Error

Drive cooling fan had malfunctioned.

Front display board not communicating.

Main drive controller not communicating

Replace drive.

Remove Ethernet cable from back of front display. Re power. If no error code on main drive controller. Replace front display bd.

Remove Ethernet cable from back of front display. Re power. If error code remains on main drive controller. Replace main drive controller.

© Midmark Corporation 2010 SF-1943 [Revised:03/30/16]

A-7

Testing &

Adjustments

Door Limit Switch & On/Off Switch ...................... B-2

Float .................................................................... B-5

Check Valve ........................................................ B-7

Motor & Pump ..................................................... B-9

Master Control Panel ........................................ B-14

Low Voltage ....................................................... B-16

VFD (Variable Frequency Drive) ....................... B-17

Line Filter .......................................................... B-19

Fuse & Transformer ........................................... B-23

PC Board ........................................................... B-24

Contactor ........................................................... B-27

Pressure Sensor ............................................... B-29

Fan .................................................................... B-31

Gauge ............................................................... B-33

Separator Tank .................................................. B-34

Vacuum Adjustment .......................................... B-35

VRV .................................................................. B-36


B-1

door Limit switch & On/Off switch

(circuit breaker)

Location & Function

With facility power (230 VAC) supplied to the system...

The transformer continuously supplies 24 VAC to the normally-open door limit switch.

With the front access cover in place...

The plastic bumper on the top right side of the access cover, trips the door limit switch causing it to close.

When the limit switch is closed, 24 VAC flows thru the switch to the

PowerVac G circuit breaker (On/Off) switch. With the circuit breaker switch ON, current is supplied to the remote wall switch (if applicable).

Note

If the facility does not have a remote wall switch, the PowerVac

G circuit breaker serves as the On/Off switch for the system.

When the front access cover is removed...

The door limit switch opens and stops current flow to the PowerVac circuit breaker. This is a safety feature that prevents the system from operating with the cover removed.

Models:


All

all


B-2

Door Limit Switch Test .......................B-3

On/Off Switch Test .............................B-4

door Limit switch

On/Off switch

(circuit breaker )


door Limit switch

Test

caution

Door Limit Switch is a safety device.

If switch is not working, do not bypass. warranty will be void if switch is bypassed. If both tests fail, it must be replaced.

Step 1: Turn power off at on/off switch and main power supply box.

Remove electrical cover.

Turn power on at on/off switch and main power supply box.

Check to see if D4 LED light is on.

If light is on, door limit switch is ok.

If light is off, continue with step 2.

Note: Refer to Section C Electrical Cover

caution

During this step, the motor belt and pulley may spin with front cover off. Stay clear and keep everything out of the vacuum base!

Step 3: Turn power on and depress activation button with a

screwdriver.

Note: If motor starts up, quickly take pressure off switch. Plastic bumper may be obstructed or damaged. Check plastic bumper on door for damage. If damaged, switch it with plastic bumper on opposite side of door until a replacement can be ordered. If motor doesn’t start, continue to step 4.

Step 4: Turn power off.

With switch “untripped”...

Meter Reading Required Action

OL

Limit switch - OK

less than 5 ohms

Replace limit switch

Models:


All

all



Remove front cover.

Note: Refer to Section C: Front Cover.

Step 5: Remove mounting screw for door limit switch.

Disconnect electrical leads.

Mounting screw

Note


Activation button

Door Limit Switch Function ................B-2

On./Off Switch Testing .......................B-4

Front Cover Access ...........................C-2

NC

NO

caution

When testing components with power on use care to prevent electrical shock.

Step 7: Install front cover.

AA2290

Step 6: Test continuity. Set meter to Ώ.

Place meter probes on COM and NO terminals.

Note: Check switch “tripped” and “untripped”.

With switch “tripped”...

Meter Reading

OL

less than 5 ohms

Required Action

Replace limit switch

Limit switch - OK

B-3


On/Off switch (circuit breaker)

Test



Turn power on.


If light is on, on/off switch is ok.



Step 2: Remove front cover.

Note: Refer to Section C: Front Cover.


Disconnect leads from switch terminals.

Place meter probes on COM and NO terminals.

Note: Check switch “tripped” and “untripped”.

Note


Door Limit Switch Function ................B-2

Door Limit Switch Testing ..................B-3

Front Cover Access ...........................C-2

caution


Step 4: Connect switch leads and install front cover.

With switch “untripped”...


OL

Switch - OK

less than 5 ohms

Replace Switch

Models:


All

all


B-4

AA165501i

With switch “tripped”...

Meter Reading

OL


Replace Switch less than 5 ohms Switch - OK


Float Assembly


On earlier production units the float assembly contained three float (reed) switches mounted on a bracket at different intervals. Current units only have two float switches.

The reed switch has contacts that remain open until the liquid in the separator rises, causing the float to rise until the magnet contacts the reed switch.

When the magnet contacts the reed switch, the open contacts inside the reed closes.

When the top float switch closes, the vacuum pump stop running until the bottom float opens and the cycle starts again.

The upper and lower floats interact as a latching circuit with the internal relay to release upon drain below the bottom float. The magnet in the float is to activate the reed switch within the stem.

Models:


All

all


B-5

Note


Reed switch contacts are

Open until

Magnet closes

Float

Magnet

Float



Check

bottom

Float down position closed position

Float Function ....................................B-5

Float Harness Continuity ...................B-6

Section C - Electrical Cover Access ..C-1

Note


Note


At j4 check Each connection

(bOT, MId & TOp) to the Last One (cOM)

To check float switches...

A) Turn power off at on/off switch and main power supply box.

B) Remove gasket on separator lid.

C) Lift lid/float assembly out of tank and lay across top of tank, put floats in down position.

D) Remove electrical panel cover.

E) Turn supply power and unit ON.

F) Set meter to Ώ.

G) Lift bottom float to closed position. Measure resistance from COM to BOT, MID and

TOP at J4 on PC board. Verify bottom float LED light is “On”, on the PC board while float is closed.

H) Repeat step G for the middle and top floats.

I) With all floats closed, lower the top float to the down position, then middle float, and finally the bottom . The motor should not start until the bottom float is down.

Note: Verify readings are within range. If not, check float harness continuity on next page.

Note

LED’s on PC board illuminate to indicate the following...

D5 – BOTTOM FLOAT - bottom float switch is closed.

D10 – MIDDLE FLOAT - middle float switch is closed.

D7 – TOP FLOAT - top float switch is closed.

LEd

Lights on pcb

8

9

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

Bottom Float

D5 D6

R7

AA2331

Models:


All

all


B-6

J4

BOT MID TOP COM

R16

Floats

J11

check

With Float up

With Float down

Float up or down

Meter

Reading

< 5 ohms

OL

Out of

Range

Required

Action

OK

OK

Check Float

Harness

Continuity (See next Page)



Check

To check float harness...

A) Turn power off and unplug float harness from base unit.

B) Lift lid/float assembly out of tank and lay across top of tank

.

C) Move floats to down position.

C) Set meter to Ώ. Probe end of float harness, each pin (1, 2 & 3) to pin # 4.

When checking each float perform steps D thru F.

D) Lift bottom float to closed position.

E) Measure at the harness between pin # 4 and the pin of the raised float (# 3).

Verify readings are within range. If not replace float assembly.

Note: Motor should stop after top float switch is raised.

Note


Float in down position check

With Float in closed position

With Float in down position

Float up or down

Models:


Meter

Reading

< 5 ohms

OL

Out of Range

All

all


Required

Action

OK

OK

Replace Float Harness

B-7

Float in closed position common bottom Float

3

4

1

2

Top

Float

Middle

Float

Top Float

Middle Float bottom Float

AA2341

Note



check Valve


The check valve located in the drain allows the separator to drain upon removal of vacuum pressure. When the pump is not running, the valve opens, allowing liquids to drain. If the pump is running the valve closes to keep air in the drain from back flushing into the system.

Each vacuum pump in a multiple pump installation requires a check valve to be installed into the intake line.

This prevents loss of suction pressure when one pump in the system is turned off. If no check valve is present, flow will be allowed through the “off” pump, creating a loss of suction of the rest of the system.

Vacuum pressure Keeps Valve closed when pump is Running

Note

When installing check valve in horizontal position, confirm the hinge for the flapper is on top of the valve.

When pump stops Valve Opens for Liquids and solids to drain

Models:


All

all


B-8

Multiple units have two additional check Valves located in the Tee Assembly

AA2300


check Valve

Check

Note


Equipment Room

Operatory

On/Off switch

Step 1: Vacuum 1-2 gallons of fresh water into system through operatory lines.

Step 2: Turn vacuum off and ensure that water drains from

separator.

Note: If water does not drain out, remove lid and see if valve is clogged. Flush and clean tank (Refer to: Section B Separator Tank) to clean valve If not draining replace valve. If water drains out, continue with step 3.

Models:


All

all


B-9


Step 4: Allow unit to drain completely.

Step 5: Pull drain hose out of drain.

Turn power on and place hand over end of drain hose.

Note: If you feel suction, check valve is stuck, replace check valve.

If no suction is felt, check valve is good.


Motor & pump


The 3 HP, three phase, 230 volt, electric motor is located on an adjustable motor mount and is easily accessible. There is an automatic belt tensioner within the pulley system.

The motor has a resettable thermostat that will open when the motor overheats. It is temperature controlled, so when it gets too hot it will open and when it cools off enough it will close again. Since the thermostat directly controls the state of the motor, there is no warning for when the motor will start or stop.

The dry vacuum pump requires no lubricant in the pumping chamber. The pump is a dual rotary claw type and belt-driven by the motor.

Check Motor (Lock-up) ....................B-10

Check Motor (Electrical) ..................B-11

Check Pump ....................................B-12

Pump, Change Gear Lube...............B-13

Motor

Rotary claw pump

WARNING

Motors are thermally protected with automatic reset.

unit may start without warning.

Models:


All

all


B-10


Motor (Lock-up)

Check

To check motor (lock-up)...

A) Turn power off at on/off switch and main power supply box.

B) Remove front cover. Refer to Section C access procedures.

C) Use belt to check pulley. If locked up try to work loose with belt.

D) Remove belt if unable to work loose.

E) Verify motor pulley moves freely, if not motor bearing is locked up, replace motor.

Motor pulley

Models:


All

all


belt

B-11

Motor & Pump Location .....................B-9

Check Motor (Electrical) ..................B-11

Check Pump ....................................B-12


Section C Access Procedures ...........C-1

Section D Wire Diagrams ..................D-1

Note



Motor (Electrical)

Check

WARNING

Motors are thermally protected with automatic reset.

unit may start without warning. If equipment room is too hot, allow to cool, motor will restart on it’s own.

Note


Ground stud

P1 P2 PC A1 A2 +V AC AM AC MP

+1 +2

S1 S2 S3 S4 S5 S6 S7 HC SC H1 RP

S/L2 T/L3 B1

B2

U/T1

V/T2 W/T3

disconnect and check



Check Pump ....................................B-12



Section D Wire Diagrams ..................D-1

To check motor...

A) Turn power off at on/off switch and main power supply box.

B) Remove electrical cover.

C) Remove VFD covers.

D) Set meter to Ώ.

E) Disconnect wires from U/T1 (Black), V/T2 (Red) and W/T3 (Blue).

F) Check wire connections, “Black to Red”, “Black to Blue” and “Red to Blue”.

G) Check ground connections, “Black to Ground”, “Red to Ground” and “Blue to Ground”.

Note: Refer to: Section D for Wire Diagrams and Section C for Access Procedures for Electrical Cover and VFD box.

If checks are out of range and if all “Probable Causes” for motor not running (see Sec A - Troubleshooting Chart) have been checked and the motor still doesn’t run, replace motor.

Models:


All

all


B-12

checks check Each to Ground check

Wire connections

Ground connections

Meter

Reading

1.2 +/- .3 ohms

OL

Required

Action

Motor - OK

Motor - OK


pump

Check


Step 2: Check pulley to see if locked up.

• Use belt to check pulley.

• Try to work pulley loose, turn with hand.

Note: If pulley does not move, continue with Steps 3, 4 and 5.

Note





Step 3: Check gear lubricant level.

Add if below 1/3 full. Use only Midmark gear lube P/N 064-0028-01.

Note: If gear lube has been added two times or more during the past year, call Dealer for service. If gear lube is not light yellow / clear opaque cover, it will need to be changed. Refer to: Section B Pump, Change gear lube.

Inlet

Max

Add

Add Gear Lube here

Step 4: To drain pump.

• Check for water in pump.

• Remove drain bolt off pump & barb fitting at the bottom of the p-trap to release any water inside.

• When pump & P-trap is done draining replace drain bolt and the barb fitting.

Note: Water may flood out, set funnel under bolt hole to move water from pump into a bucket or tray.

drain plug

Step 5: After draining you must...

• Remove inlet hose either at pump or at separator.

• Pour 2 ounces (1/4 cup) of conditioning fluid (002-1910-02) into pump and let soak. (or WD-40 if unavailable.)

• Try to work pulley loose as fluid migrates through pump.

• If pump will not free up order Timer/Conditioning Fluid Kit (002-1910-00) and socket (002-1911-00).

• If pump rotates freely replace inlet hose, restore power, and start vacuum. Order Timer/Conditioning Fluid Kit if needed.

Models:


All

all


B-13


pump

Change Gear Lube

The PowerVac

®

G gear lube should be changed every 10 years.

It will hold approximately 2/3 of a quart of Midmark PN 064-0028 which can be ordered in a liter.

To change gear lube...

A) Run PowerVac G for 5-10 minutes.

B) Disconnect main power supply to the PowerVac G.

C) Remove front cover. Refer to: Section C Front Cover

D) Remove venting valve plug.

E) Siphon gear lube out from venting valve hole.

F) Fill in new gear lube until the level is slightly above the middle of the site gauge.

G) Verify seal ring on vent valve is undamaged.

H) Replace vent valve plug and or drain plug.

(See Note)

I) Clean any gear lube that leaked on inside or outside of housing.

J) Replace front cover. Connect main power supply and run pump for 5 minutes and recheck the gear lube on the site gauge.

Note: If you do not have a siphon hose, you may access the drain plug located below the site gauge.

Place a oil absorbent mat under drain hole and funnel the gear lube out the side access hole in housing into a drain tray. Dispose of gear lube in compliance with applicable regulations.

drain plug

Venting

Valve plug site

Gauge


Check Motor ....................................B-10

Check Pump ....................................B-11

Models:


All

all


B-14

Access hole in housing


Master control panel


Wiring for remote On/Off switch, Master Control Panel

Low voltage (24 VAC) wiring provides power for a remote

On/Off switch and indicator light (optional). It is located behind the rear cover on the base unit.

Master Control Panel Test ...............B-15

Low Voltage Test .............................B-16

Models:


All

all


B-15

Rear of base unit shown


Master control panel

Testing

Step 1: Turn power off at on/off switch and main power supply.


Turn power on at on/off switch and main power supply


If light is on, master control panel is ok.



disconnect

Master Control Panel Function ........B-13

Low Voltage Test .............................B-15

Step 2: Disconnect power at on/off switch and main power supply box.

bypass caution


Air

Va c

Water

Note


Models:


All

all


Step 3: Bypass the remote switch to verify it is not defective.

Disconnect the red and blue wires from the remote switch.

Connect the blue and red wires together.

Step 4: Connect power to the PowerVac G.

Restore power.

Note: If the hour meter and pump start running then replace the master control panel.

B-16


Low Voltage

Testing

Note



caution


Master Control Panel Function ........B-13

Master Control Panel Test ...............B-14




Turn power on.


Step 2: Check input voltage as shown on daughter card.

C18

C15

Display / Keypad

L7

C17

U1

R44 C27

R20

D11

L6

U8

R25

R21

U5

J12

PWR / Door SW

Hour Meter

U9 C21

L12

System Monitor

6

PWR/Door SW On

D4 R4

K1

D3

K2

U4

U6

J7

C19

R3

U3

U2

C3

C20

R18

R19

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

Bottom Float

D5 D6

R7

K3

K5

C16

R2 C23

C24 U7

R23

D2

L10

R1

YL YL

MTR-TSTAT

R9

J10

Drive J14

Remote SW

J9

R38

R37

R40

R5

C5

U10

U11

Q1

C1

R8

R6

Drive Enable

K8 K4 K8

C2

K7

J6

J2

24 VAC PWR

J1

AC PWR On

D16 D15 R32

ON CTS

1 2 3

Floats

J3

R16

J8

J15

Evac Pump J4

PCB: 015-2699-00 Date: xx-xx-xx

ASSY: 015-2700-00 Assy Rev

BOM: 003-2109-00 Rev

D13

Pressure Sensor

J13

J11

Contactor

J16

AA2332

J5

Step 3: Check at “J2” , pin 6 and as shown above on daughter card.

Note: This tests for low voltage across “K1” relay .

If the voltage is too low, the relay may not energize.

C18

C15


D11

L7

C17

U1

R44 C27

L6

U8

R20

R25

R21

U5

J12

PWR / Door SW

Hour Meter

U9 C21

L12

System Monitor

PWR/Door SW On

D4 R4

K1

D3

K2

U4

C19

R3

U3

U2

C20

C3

C16

R2 C23

C24 U7

R23

D2

L10

R1

U6

J7

R18

R19

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

R7

Bottom Float

D5 D6

K3 K5 K8

YL YL

MTR-TSTAT

R9

J10

K4

Remote SW

J9

R38

R37

R40 R5

C5

U10

U11

Q1

C1

R8

K8

C2

K7

Drive J14

R6

Drive Enable

J6

J2

24 VAC PWR

J1

AC PWR On

D16 D15 R32

ON CTS

1 2

3

Floats

J3

R16

J8

J15

Evac Pump J4

PCB: 015-2699-00 Date: xx-xx-xx

ASSY: 015-2700-00 Assy Rev

BOM: 003-2109-00 Rev

D13

Pressure Sensor

J13

J16

J11

Contactor

J5

check

“daughter card”

(step 2)

“j3” & “j2”

(step 3)


24 VAc +4 / -2

Actual transformer voltage.

Note: if out of range check contactor and transformer.

> 18.5 VAc

If less than 18.5 VAC, there may be too much wire between unit and Master control Panel. If length can not be changed, reduce gage of wire to 14 gage.

Models:

Serial Numbers: daughter card

All

all

B-17




Using the pressure sensor readings, the VFD controls the motor speed to maintain a pressure as determined by the programmed pressure set points during both the operating and sleep modes.

Pressure is set to 12”Hg at the factory. The VFD is located in the electrical box.

Testing VFD .....................................B-18

VFD Error Codes ...............................A-6

Models:


All

all


Note

Always go though Troubleshooting and VFD error code steps in Section A before testing the VFD.

B-18



Testing


Remove electrical box cover.

C18

C15


J12

L7

C17

U1

R44 C27

L6

U8

D11

ISO_PWR

C4

U9

L12

R20

R25

R21

U5

C21

PWR / Door SW

Hour Meter

System Monitor

U4

PWR/Door SW On

D4 R4

K1

D3

K2

C19

R3

U3

U2

C3

C20

U6

J7

R18

R19

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

Bottom Float

D5 D6

R7

K3 K5

C16

R2 C23

C24 U7

R23

D2

L10

K8 K4

R1

Remote SW

J9

MTR-TSTAT

R9

J10

K8

J2

24 VAC PWR

R38

R37

R40

C2

K7

R5

C5

J1

Drive J14

U10

U11

Q1

C1

R8

R6

Drive Enable

J6

AC PWR On

D16 D15 R32

Floats

J3

R16

J8

J15

Evac Pump J4

j6

PCB: 015-2699-00 Date: xx-xx-xx

ASSY: 015-2700-00 Assy Rev

BOM: 003-2109-00 Rev

D13

Pressure Sensor

J13

J16

J11

Contactor

J5

Step 2: Unplug drive harness from PC board “J6” connector.

Set meter to DC volts.

Turn power to unit on.

Check “Red Probe to Blue Wire” and “Black Probe to Black Wire”.

Note: Verify voltage is 24VDC +4 / -2. If reading is out of range, go to step three.

If reading is in range go to step four.

Note


caution


Step 3: Unplug drive harness from S1 & SC on VFD box.

Set multi-meter to Ώ.. Check continuity in wire harness.

VFD Location ...................................B-17

VFD Error Codes ...............................A-6

Section C Access Electrical Cover ....C-1

Equipment Alert

Before performing step 4, verify the PC board checks have been completed first. Refer to Sec B, PC board.

Step 4: Remove outside and live wire covers only on VFD box.

Refer to Section C for access procedure.

Install jumper from S1 to SC. Turn power on, motor should start.

Note: If motor doesn’t start, replace VFD. If it does start you may have missed problem with the harness. You may have an intermittent connection.

Meter Reading

OL

less than 5 ohms

Models:


All

all


Replace Drive Harness

Drive Harness OK - go to Step 4


B-19


Line Filter


The line filter is used to reduce the unintentional emission from the PowerVac G to low levels. It is located in the electrical box.

Models:


All

all


B-20


Line Filter

Test



Note: Refer to: Section C for Electrical Cover Removal

Note


Line Filter Location ..........................B-19

Section C ...........................................C-1

Models:


All

all



Test L connection from the Line side to the

Load side and then both L terminals to ground.

Repeat for N connection.

Step 3: Install electrical cover.

B-21

Meter Reading

“L” to “L” < 5

Ώ


Filter OK

“N to “N” < 5

Ώ Filter OK

Line “L” to Ground = OL

Filter OK

Load “L” to Ground = OL

Filter OK

Line “N” to Ground = OL

Filter OK

Load “N” to Ground = OL Filter OK

Any other readings shown will require Line

Filter Replacement


Fuse and Transformer


The fuse limits electrical current flowing from the contactor to the transformer. It interrupts electrical current in case of an overload condition on the transformer. Only replace with a

1/8 amp, 250 volt, Type T Slo Blo fuse.

The transformer converts the main supply input of 230 Volts

AC to 24 Volts AC for the low voltage circuitry. It also comes equipped with an internal non-resettable thermal fuse that opens when the transformer becomes to hot.

Transformer

Fuse Testing ....................................B-22

Transformer Testing .........................B-23

Fuse

Models:


All

all


B-22


Fuse

Test

Fuse and Transformer Location .......B-21

Transformer Testing .........................B-23

Section C ...........................................C-1

Step 1: Turn power off at on/off switch and main power supply box..


Refer to: Section C Electrical Cover

Note


Step 2: Remove terminal leads.

Test continuity. Set meter to Ώ.

Place meter probes on both fuse terminals.

AA164301i

Models:


All

all


B-23

Step 3: Visually check fuse to see if it is burnt or broken.

Meter Reading

OL

Visually burnt or broken

0 (close to zero) Reading

Visually looks ok


Replace Fuse

Fuse - OK



Transformer

Test



Turn on power supply at disconnect box.

Leave on/off switch OFF.

Note: Refer to: Section C Electrical Cover

Note


Fuse and Transformer Location .......B-21

Fuse Testing ....................................B-22

Section C ...........................................C-1

Step 2: Verify all wire connections are secure to transformer.

Feel transformer to verify it is not hot. If it is, allow it to cool off.

Note: Transformer has an internal non-resetting overload fuse. If transformer is hot to touch, allow to cool before testing. If it’s hot, check ambient operating temp and input / output voltage. Verify ambient room temperature doesn’t exceed 104 o

Fahrenheit (37 Celsius).

C18

C15


J12

PWR / Door SW

Hour Meter

L7

C17

U1

R44 C27

R20

L6

U8

D11

C4

ISO_PWR

U9

R25

R21

U5

L12

C21

System Monitor

U4

U6

J7

C19

R3

U3

U2

C3

C20 C16

C24

R18

R19

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

Bottom Float

D5 D6

R7

K1 K2 K3 K5 K8

Drive J14

R2 C23

D2

L10

R1

Remote SW

J9

YL YL

MTR-TSTAT

R9

J10

K4 K8

R38

R37

R40 R5

C5

U10

U11

Q1

C1

R8

R6

Drive Enable

C2

K7

J6

D3

J2

24 VAC PWR

J1

AC PWR On

D16 D15 R32

ON CTS

1 2 3

Floats

J3

R16

J8

J15

J4

PCB: 015-2699-00 Date: xx-xx-xx

ASSY: 015-2700-00 Assy Rev

BOM: 003-2109-00 Rev

D13

Pressure Sensor

J13

J11

Contactor

J16

AA2315

J5

Step 3: Turn power on.

~

Place meter probes in wire harness connector.

Note: Verify reading is 24 volts ( -2 / +4). If out of range, check incoming supply power to unit, 230 VAC +/- 10%. If incoming voltage is ok, replace transformer. If incoming voltage is not, main power supply needs checked by an electrician.

Models:


All

all


B-24

caution


Meter Reading

Exceeds 24 Volts - 2 / + 4

Within 24 Volts - 2 / + 4


Replace Transformer

Transformer - OK



pc board and daughter card


PC Board Check ..............................B-25

Daughter Card Check ......................B-26

The PC Board is located in the electrical box and performs a number of various functions. These include: isolating circuits, main control for the unit, and provides a

24 Volt DC power supply to power the pressure sensor. There are no fuses or other serviceable parts on the PC Board, however there are six LED indicator lights for trouble-shooting. The lights and connectors are all labeled on the board.

D5 – AC PWR ON - Indicates that the unit is getting power.

D4 – PWR / DOOR ON - Indicates the door limit switch, the power switch, and the Master Control switch is closed. (Does this when the front cover is on.)

D1 – ISO PWR - Indicates that 5 Volts DC provided by the drive is present at the keypad.

D5 – BOTTOM FLOAT - Indicates the bottom float switch is closed.

D10 – MIDDLE FLOAT - Indicates the middle float switch is closed.

D7 – TOP FLOAT - Indicates the top float switch is closed.

C18

C15


D11

L7

C17

U1

R44 C27

R20

L6

U8

R25

R21

U5

U4

J12

PWR / Door SW

Hour Meter

U9 C21

L12

System Monitor

PWR/Door SW On

D4 R4

K1

D3

K2

C19

R3

U3

U2

C20

C3

C16

R2 C23

C24

U7

R23

D2

L10

U6

J7

R18

R19

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

Bottom Float

D5 D6

R7

K3 K5 K8

YL YL

K4

J10

J9

R1

Remote SW

MTR-TSTAT

R9

K8

J2

24 VAC PWR

AC PWR On

D16 D15 R32

ON CTS

1 2 3

J3

J8

J15

R38

R37

R40

R5

C5

U10

C2

K7

J4

U11

R8

J1

R16

Drive J14

YL

R6

Drive Enable

Floats

J6

pc board

J11

Contactor Pressure Sensor

J13

D13

J16

J5

daughter card

Models:


All

all


B-25


pc board

Check


The separator tank should have drained when unit was turned off.

Verify it is not full.


Refer to: Section B Section C Electrical Cover

C18

C15


D11

L7

C17

U1

R44 C27

L6

U8

R20

R25

R21

U5

J12

PWR / Door SW

Hour Meter

U9

L12

C21

System Monitor

U4

PWR/Door SW On

D4 R4

K1

D3

K2

C19

R3

U3

U2

C3

C20

C16

R2 C23

C24 U7

R23

D2

L10

U6

J7

R18

R19

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

Bottom Float

D5 D6

R7

K3 K5 K8

K4

J9

R1

Remote SW

MTR-TSTAT

R9

J10

K8

J2

24 VAC PWR

AC PWR On

ON CTS

D16 D15 R32

1

2 3

J3

J8

J15

R38

R37

R40 R5

C5

U10

U11

Q1

C1

R8

R6

Drive Enable

C2

K7

J4

J1

R16

Drive

J14

Floats

J6

PCB: 015-2699-00 Date: xx-xx-xx

ASSY: 015-2700-00 Assy Rev

BOM: 003-2109-00 Rev

D13

Pressure Sensor

J13

J16

J11

Contactor

J5

Models:


All

all


Step 2: Turn main power supply on.

(Keep unit turned off.)

Unplug wire harness from J6 on PC board.

Test resistance. Set meter to Ώ.

B-26

PC Board Location ..........................B-24

Section C ...........................................C-1

Note


Meter Reading

< 1 ohm

> 1 ohm


PC Board - OK

Check Contactor

Replace PC Board


daughter card

Check

Models:


All

all


Note


Step 1: Set meter to VDC.

Place probes at J2 Daughter Card connection as shown.

C18

C15


D11

L7

C17

U1

R44 C27

L6

U8

R20

R25

R21

U5

J12

U4

PWR / Door SW

Hour Meter

U9 C21

L12

System Monitor

PWR/Door SW On

D4 R4

K1

D3

K2

C19

R3

U3

U2

C3

C20

C16

R2 C23

C24 U7

R23

D2

L10

U6

J7

R18

R19

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

Bottom Float

D5 D6

R7

K3 K5 K8

YL YL

K4

J10

J9

R1

Remote SW

MTR-TSTAT

R9

K8

J2

24 VAC PWR

R38

R37

R40

C2

K7

R5

C5

U10

U11

Q1

C1

R8

J1

Drive J14

R6

Drive Enable

J6

AC PWR On

D16 D15 R32

ON CTS

1 2 3

Floats

J3

R16

J8

J15

J4

PCB: 015-2699-00 Date: xx-xx-xx

ASSY: 015-2700-00 Assy Rev

BOM: 003-2109-00 Rev

D13

Pressure Sensor

J13

J11

Contactor

J16

J5

AA2338

B-27

Meter Reading

< 24 Vdc

24 Vdc -2 / +4


Replace Daughter Card

Daughter Card OK


contactor


When the contactor is energized, it closes and connects the Main input power supply to the line filter. Main input power supply is then applied to the Variable Frequency Drive (VFD) through R/L1 and S/R2 (single phase).

contactor

Models:


All

all


B-28


contactor

Testing

Step 1: Turn power off at on/off switch and main power supply box..


Refer to: Section C Electrical Cover

~

Place meter probes on front, left side white and black wires.

Refer to: Verify reading is 207-253 volts.

caution


~

Place meter probes on top brown wire and bottom yellow wire.

Note: Verify reading is 24 volts.

Models:


All

all


Note


~

V. Check voltage on PC board at

J5 connection. Also verify black plastic “shunt” is on J16.

Note: Refer to PC board diagram in Section D.

Verify reading is 24 VAC.

Step 5: Insert screwdriver to start manually.

Note: If system starts, replace contactor.

B-29

AA2360i


Meter Reading

24 Volts

(PC Board Check

207-253 Volts

(Left Side Check)

24 Volts

(Top & Bottom Check)


Contactor OK

Contactor OK

Contactor OK


pressure sensor


The Pressure Sensor measures the vacuum pressure inside the separator tank. The variable frequency drive uses the pressure readings to control the speed at which the motor rotates the pump to inherently control the pressure.


Models:


All

all


B-30



Testing


Remove rear cover.

Unplug pressure sensor harness from base unit.

Set multi-meter to Ώ.

Place probes, red probe in bottom hole, black probe in top hole. Check resistance in end of harness unplugged.

Refer to: Section C for Access procedures. Note: Need to follow polarity as shown! If not,

measurement will be incorrect.

Note


Top

Step 2: Remove pressure sensor cover.

Disconnect wire harness from pressure sensor.

Check continuity on wire harness.

Top half of cover check harness for continuity check for

Resistance

Flats on Left when checking

Top

(black) bottom

(Red) bottom bottom half of cover

Models:


All

all


B-31

Meter Reading

1 meg ohms to 3 meg ohms

(pressure sensor check) step 1

< 1 ohm step 2


Pressure Sensor OK

(Replace Pressure Sensor if readings are out of range.)

Wire Harness OK

(Replace Wire Harness if readings are out of range.)


Fans


230 VAC is supplied to the fans and are controlled by a thermostat. The fans are energized when the thermostat closes at temperatures exceeding 95°F

(35°C). When the temperature of the thermostat drops below 77°F (25°C), the thermostat will open, shutting off the fans.

Thermostat

Fans

Models:


All

all


B-32


Fan

Testing

Note


To check fan...

A) Turn power off at on/off switch and main power supply box.

B) Remove rear panel.

C) Set meter to Ώ.

D) Unplug outside fan harness from base unit and fans.

E) Check continuity in fan harness (outside).

F) Unplug inside fan harness from plug on side of electrical box, contactor and thermostat.

F) Check continuity in fan harness (inside).

Refer to: Section C for Access Procedures & Section D for Wire Diagrams

check continuity on Fan harness (outside electrical box) continuity on Fan harness

(inside electrical box)

Meter Reading

< 1 ohm

OL

< 1 ohm

OL


Fan Harness - OK

Check Contactor (Base Unit)

Replace Fan Harness

Fan Harness - OK

Check Contactor

Replace Fan Harness

Fan harness

(inside)

Fan harness

(outside)

Contactor .........................................B-28

Fan Location ....................................B-31

Section C - Access Procedures .........C-1

Section D - Wire Diagrams ................D-1

connector at base unit

Models:


All

all


B-33


Gauge


The vacuum gauge has a 1/4” NPT fitting and a range from 0 to -30 IN./Hg. graduated in increment of 0.5 In/

Hg. Recommended range for the system is 10”Hg to

18”Hg. The system is preset at the factory for 12”Hg.

Gauge

Models:


All

all


B-34


separator Tank

Rinsing Separator Tank Assembly

Note


To rinse separator tank..

A) Turn On / Off switch to “Off” position.

B) Remove pressure gauge from separator lid and temporarily replace with garden hose adapter.

C) Attach garden hose (not shown) to garden hose adapter.

D) Run water through garden hose for approximately five (5) minutes.

E) Turn water off, disconnect hose, remove garden hose adapter and replace with pressure gauge.

Note: Garden hose adapter was supplied as a loose part when this unit was purchased.

Garden hose Adapter

20

15

25

10

5

-30

Gauge separator Lid

On / Off switch

Models:


All

all


B-35


Vacuum Adjustment

Note


Adjust Vacuum Level (Only if needed)...

Note: Adjustment can only be made if unit is running and NOT in sleep mode. If unit is in sleep mode, turn

unit off and back on before making adjustment. unit will enter back into sleep mode in 60 seconds.

Adjust vacuum level (“Hg) by ......

A) Press the “ESC” button until “V xx” shows on the screen.

B) Press “Enter” to enter the vacuum setting.

C) Press the right arrow to highlight the number you would like to change (ﬂ ashing number is selected).

D) Use up and down arrows to change the ﬂ ashing number.

E) Press Enter to confi rm the vacuum setting.

F) To get back to displaying the pressure value, press the “ESC” button until the “V xx” shows on the screen.

G) Press the up or down arrows until you see “Mon” on the display. Press enter.

H) Press up or down to select U8-02, press enter. Pressure value should appear on the display.

For All Models

“Vxx” xx is a Variable Reading “Mon” Reading “u8-02” Reading

AA2326

AA2327

AA2328

Note

Vacuum level range is 6” Hg - 18” Hg. Midmark recommends operation at factory preset of 12” Hg. If reading is low check for leaks or open operatory lines prior to adjustment.

Vacuum Adjustment


B-36

VRV

Check and Adjust

Note

The VRV is located on the intake side of the pump. The VRV is installed as a precaution to keep the tank from over pressurizing past 18”Hg. Adjustment should only be checked/made if the PowerVac G is not going into sleep mode. This could mean the VRV is not working properly.

To check and adjust VRV...

A) Turn power off at on/off switch and disconnect box.

B) Access VRV by removing back cover. Refer to: Section C Access Procedures.

C) Unscrew VRV from Tee fitting.

D) Adjust the center mounted screw inside the valve.

E) Install VRV and back cover.

Note: Use 1/4 inch nut driver and phillips screwdriver. Each full clockwise turn increases the vacuum level by approximately 2 “Hg.

VRV is factory set at 18”Hg. If unable to reach 18”Hg pressure setting, replace VRV.

Note


VRV

Models:


All

all


B-37


Access procedures

Front Cover........................................C-2

Top Plate ...........................................C-3

Electrical Cover .................................C-4

Back Cover ........................................C-5

VFD Covers .......................................C-6


C-1

Front cover

Removal / Installation

Note


caution

Power must be turned off when removing front cover. The On/Off switch controls only the secondary circuit power. The main power source must be turned off to remove all power in the control box.

Front cover

Remove front cover...

A) Disconnect power.

B) Unfasten front cover by turning two fasteners 1/4 turn, counter clockwise.

C) Lift front cover straight up to remove from side panels.

Install front cover...

D) Align plastic cones on new front cover to holes in side panels.

E) Turn fasteners 1/4 turn clockwise to secure front cover.

F) Install front cover.

Fasteners

Models:


All

all


C-2

plastic cones

On/Off switch


Top plate


caution

The On/Off switch controls only the secondary circuit power. The main power source must be turned off to remove all power in the control box.

Note


pressure sensor parallel

Float cord

Remove top plate...


B) Remove back cover. (Refer to: Section C - Back Cover)

B) Unplug float, pressure sensor and parallel cord from base unit.

C) Remove separator from vacuum base unit if applicable.

D) Remove top plate.

E) Reverse steps to install.

Models:


All

all


C-3


Electrical cover


Note


caution

The On/Off switch controls only the secondary circuit power. The main power source must be turned off to remove all power in the control box. When testing components with power on use care to prevent electrical shock.

Remove/install electrical cover.


B) Remove four screws from electrical cover.

C) Remove electrical cover.

D) Install electrical cover.

Models:


All

all


C-4


back cover


Note


caution

Power must be disconnected when removing back cover. The On/Off switch controls only the secondary circuit power. The main power source must be turned off to remove all power in the control box.

Ground screw With Washer plastic cones

Fasteners

Remove back cover...


B) Remove ground screw.

C) Unfasten back cover by turning two fasteners 1/4 turn, counter clockwise.

D) Lift back cover straight up to loosen from side panels.

E) Unplug both fans.

Models:


All

all


C-5

Install back cover...

E) Align plastic cones on new back cover to holes in side panels.

F) Turn fasteners 1/4 turn clockwise to secure back cover.

G) Plug in fans and install back cover.

H) Install ground screw.


VFd covers


Note


VFd Access...


B) Loosen screw and remove outside cover.

C) Pull off live wire cover.

D) Pull off wire separator cover.

E) To install covers just push back onto VFD box and tighten screw.

Outside cover separator cover

Live Wire cover

Models:


All

all


AA2334i

C-6


Wiring diagrams

PowerVac G ......................................D-2

Variable Frequency Drive ..................D-3

Motor Connections ............................D-4

PCB ...................................................D-5


D-1

J17

R41

R36

R35

R39

D1

R22

C22

R43

L9 L8

Q1 C1

C6

Models:


All

V998996 to V1093822


D-2

Electrical diagram


J17

R41

R36

R35

R39

D1

C25

C26

R22

R43

C22

L9 L8

Q1 C1

C6

R40 R37

Models:


All

V1093823 to V1648734


D-3

Electrical diagram


J17

R41

R36

R35

R39

D1

C25

C26

R22

R43

C22

L9 L8

Q1 C1

C6

R40 R37

Models:


All

V1648735W to Present


D-4


Variable Frequency drive (VFd) - 015-2680-00

From GND to PC

From Drive Enable (PCB) to SC

From Drive Enable (PCB) to S1

From Pressure Sensor (PCB) to A2 & AC

From Line Filter to R/L1

From Line Filter to S/L2

From Motor to U/T1

From Motor to V/T1

From Motor to W/T1

From Parallel Cable To:

Blue - A1

Brown - AM

White - AC

Orange - P1

Green - S6

Yellow - S7

Models:


All

all


D-5

Jumper

P2 to S2

To Drive

(PCB)


Motor connections

Example

T1

T7

U

Models:


All

all


Motor Harness

To Controller

u

(black)

V

(Red)

W

(blue)

---

1 Yellow

1 Yellow

Motor Wires

T1 / T7

(Yellow)

T2 / T8

(Yellow)

T3 / T9

(Yellow)

T4 / T5 / R6

(Yellow)

1 Red

1 Red

Motor Thermostat connection

015-2742-00

Motor harness

TO pcb, j10

TO pcb, j10

015-2742-00

Motor harness

D-6

AA2333


Door SW

RD

Hour Meter BL

On / Off SW

BK

24 VAC PWR

BL

BL

YL

C18

C15


D11

L7

C17

U1

R44 C27

L6

U8

R20

R25

R21

U5

J12

PWR / Door SW

Hour Meter

U9 C21

L12

System Monitor

PWR/Door SW On

D4 R4

K1

D3

K2

U4

C19

R3

U3

U2

C3

C20

C16

R2 C23

C24 U7

R23

D2

L10

WH RD BL

U6

J7

R18

R19

R24

Top Float

D7 D9 R13

D10 D8 R10

Middle Float

Bottom Float

D5 D6

R7

YL YL

J10

J9

R1

Remote SW

R9

K3

K5

K8 K4 K8

J2

24 VAC PWR

AC PWR On

ON CTS

D16 D15 R32

1

2 3

J3

J8

J15

J4

J1

R16

Drive

J14

Floats

GY

R38

R37

R40

R5

C5

U10

U11

Q1

C1

R8

R6

Drive Enable

C2

K7

J6

BK

BL

plugs into board

Models:


All

V1093823 to Present

© Midmark Corporation 2010 SF-1943

J1

D1

C1

[Revised: 3/5/15]

U1

J2

D13

Pressure Sensor

J13

GY

D-7

J16

J11

Contactor

J5

WH

GN

RD

BK

YL

BR

I

J

K

L

M

G

H

E

F

A

B

C

D

N

O

P

pc board

Item Description

(sensors & switches not included unless noted)

Part

Number

Float Harness (Inside)

(Float Cord is part of the Float Assembly)

Drive Harness

Contactor Harness

Paralleling Harness (Inside Box)

Paralleling Harness (Between - Master End has 4 pins and Slave End has 6 pins)

Pressure Sensor Wire Harness

015-2736-00

015-2740-00

015-2725-00

015-2749-00

002-1443-00

24 VAC Harness

Switch and Hour Meter Harness

Keypad CAT5 Cable

Remote Harness

Motor Thermostat Harness

PC Board

Power Supply Assembly

PVAC Timer

015-2724-00

002-1442-00

015-2741-00

015-2756-00

015-2743-00

015-2742-00

015-2700-00

015-2815-00

015-3439-00

N thru P Not Shown or Connected to PCB

Fan Harness (Inside)

Cord, Daisy Chain, Fan (Outside)

6 ft Electrical Conduit (Base Unit to

Disconnect Switch Box

002-1492-00

015-2747-00

015-1896-00


Exploded Views & parts Lists

G3, G5, G7 (Single Units)..................E-2

G6, G10, G14 (Twin Units) ................E-3

XXX-XXXX-XX


E-1

XXX-XXXX-XX

XXX-XXXX-XX

PowerVac

®

G

G3

G5

G7

Vacuum Base Unit .............................E-9

Loose Parts .....................................E-11

Shipping Bolt Assembly ...................E-16

Separator Assembly ..........................E-4

Loose Parts .......................................E-6

Electrical Box ...................................E-12

Electrical Box Covers ......................E-13


E-2

PowerVac

®

G

G6

G10

G14

Vacuum Base Unit .............................E-9

Loose Parts .....................................E-11

Shipping Bolt Assembly ...................E-16


E-3

Separator Assembly ..........................E-4

Loose Parts .......................................E-6

Electrical Box ...................................E-12

Electrical Box Covers ......................E-13

Note

Earlier production units had three reed switch floats.

The middle float was not used and is not installed in current production units.

7

1

029-5111-00

2

053-2159-00

3

030-1905-00-312

4

030-1918-00-312

5

040-0250-188

Models:


All

V998996 thru V1466496


6

Note

Single models require one separator assembly.

Twin models require two separator assemblies.

E-4

separator


1

2

3

4

5

6

7

Separator Assembly (includes items 2 - 7)

• Gasket

• Tank

• Legs

• Screw (1/4” 20 x 1/2” ‘TT’)

• Refer to:

drain Assembly

• Separator Lid Assembly

Refer to:

separator Lid Assembly


Qty.

1

1

1

3

6

Ref

1

Ref

Note

Earlier production units had three reed switch floats.

The middle float was not used and is not installed in current production units.

7

1

029-5111-00

2

053-2159-00

3

030-1905-00-312

4

030-1918-00-312

5

040-0250-188

6 beginning serial Number Label on separator Tanks

Models:


All

V1466497 thru Present


Note



E-4.1

separator


1

2

3

4

5

6

7

Separator Assembly (includes items 2 - 7)

• Gasket

• Tank

• Legs

• Screw (1/4” 20 x 1/2” ‘TT’)

• Refer to:


• Separator Lid Assembly

Refer to:



Qty.

1

1

1

3

6

Ref

1

Ref

014-0515-00

014-0514-00

014-0516-00

13

15

16

14

014-0501-00

17

Note



Models:


050-7981-00-312

5

All

all

17

002-1448-00

2


014-0512-00

14

2

2

1

029-5112-00

13

14

3

6

10

4

050-7984-00

3

029-3862-00

Note


E-5

12

014-0550-00

10

014-0699-00

18

014-0705-00

11

014-0704-00

8

7

9

002-1436-00

8

053-2187-00-312

7

040-0006-93

6

029-5196-00


6

7

8

4

5


1 Separator Lid Assembly (includes items 2 - 17)

2

3

• Float Assembly

• Bulkhead Assembly w/45

• Bracket

• Separator Lid

• Wash Down Fitting Assembly

• Screw (0.138-32 x 0.625 TT)

• Pressure Transducer Cover

9

• Pressure Sensor w/ Harness

Harness only (015-2787-00)

10 • Reducer (1/2” x 1/4” NPT)

11 • Tee (1/2” NPT)

12 • Gauge Vac (2” x 1/4” NPT)

13 • Elbow 90, (1-1/2” NPT)

14 • Nipple (1 1/2”)

15 • Bushing (1-1/2” x 1”)

16 • Nipple (1”)

17 • Bulkhead Fitting (1 1/2”)

18 • Nipple (1/2”)


1

4

2

1

1

Qty.

1

1

1

1

1

1

1

3

1

1

2

2

1

77004080

2

20173805

3

77009131

4

14

014-0535-00

5

014-0512-00

6

014-0570-00

7

014-0569-00

8

PVC51035

9

62962402

10

014-0530-00

11

029-3773-01

12

002-1854-00

13

Models:


All

all


E-6

Note

Top section includes extra fittings for exhaust and intake connections to existing pipes from separator.

1

002-1441-00

separator Loose parts


1

8

9

6

7

2

3

4

5

Separator Loose Parts Assembly

(includes items 2 - 14)

Refer to:

separator

• Nipple (1 1/4”)

• Bushing (1 1/2” NPM x 1 1/4” NPT)

• Clamp, Worm Gear (2”)

• Bushing (2” NPT x 1.5” FPT)

• Nipple (1 1/2” NPT, Plastic)

• Reducer (2” x 1”)

• Adapter (1 1/2” NPT x Socket)

• Coupler (1 1/2” SOC 2” x 1”)

10 • Adapter (1 1/2” NPT x Socket)

11 • Garden Hose Adapter

12 • Drain Hose Assembly (1 1/2” I.D.)

13 • Intake Hose Assembly (1 1/2” I.D.)

14

• Refer to:

separator


Qty.

1

Ref

1

1

1

1

1

1

1

1

1

1

1

1

Ref

014-0727-00

23

22

014-0564-00

21

014-0516-00

20

014-0558-00

19

1

002-1371-00

014-0561-00

2

4

77004008

5

77002010

22

014-0565-00

014-0534-00

3

10

BWR20407

11

BSW20472

9

BMS20900

8

050-6782-00-312

6

014-0518-00

7

014-0540-00

14

15

015-2750-00

18

14

13

029-3911-00

17

014-0559-00

16

Models:


All

all


12

014-0556-00

13

014-0557-00

14

014-0512-00

014-0551-00

E-7

15

14

Tee Assembly


1

2

3

4

5

Tee Assembly (single to twin kit, includes items

2 - 22)

• Adapter (2” MPT x SOC)

• Bushing (1 1/2” x 2”)

• Bushing (2” x 1 1/2”)

• Nipple (1 1/2” NPT)

6

7

• Tee (1 1/2” FPT Brass)

• Cap

8 • Bracket

9 • Wall Anchor (3/16” x 1 1/4”)

10 • Washer Fender (1/4 Bolt x 1” O.D.)

11 • Screw (#8 x 1 1/2” Pan)

12 • Cross

13 • Reducer Bushing (2” x 1 1/2”)

14 • Pipe Nipple (1 1/2” NPT)

15 • Check Valve

16 • Union (2” NPT x 2” NPT)

17 • Hose Assembly (2”)

18 • Paralleling Harness

19 • Reducer Bushing (2” x 1”)

20 • Nipple (1” NPT)

21 • Fitting (1 1/2” Y Female)

22 • Adapter (1 1/2” Hose)

23 • Adapter PVC (1/2”)


Qty.

1

1

5

5

1

1

1

1

1

1

1

1

1

1

1

3

1

2

4

2

1

5

1

Models:


10577800

5

029-3839-00

1

2

77002010

3

014-0518-00

2

4

014-0551-00

6

029-3773-01

All

V998996 thru V1651530


E-8



1

2

Drain Assembly (includes Items 2 - 4)

Refer to:

separator

• Brass Nipple (1 1/2”)

3

4

• Brass Tee (1 1/2 FPT, apply included thread

locking adhesive)

• Check Valve (1 1/2”)

5

6

Plug (1 1/2 NPT)

Refer to:

separator

Drain Hose


1

1

Ref

1

Qty.

1

Ref

2

1

Models:


10577800

5

029-3839-00

1

2

014-0512-00

3

014-0513-00

2

4

014-0551-00

6

029-3773-01

All



E-8.1



1

2

Drain Assembly (includes Items 2 - 4)

Refer to:

separator

• Brass Nipple (1 1/2”)

3

4

• Brass Tee (1 1/2 FPT, apply included thread

locking adhesive)

• Check Valve (1 1/2”)

5

6

Plug (1 1/2 NPT)

Refer to:

separator

Drain Hose


1

1

Ref

1

Qty.

1

Ref

2

1

030-1913-00-366

21

040-0312-00

3

029-5134-00

2

4

62700113

5

BWR20390

6

002-1439-00

1

a) 029-5135-00

b)

029-5135-01

c)

029-5135-02

040-0010-109

20

029-3802-00

002-1438-00

16

62977901

Models:


19

13

All

all

65959902

65963800

Note

Single models require one vacuum assembly.

Twin models require two vacuum assemblies.

17

029-5105-00

12

14

15

042-0626-00

11

016-1059-00

10

Vacuum base unit

7

9

030-1914-00-366

3

18

8

MMS72090

BBT20106

6

7

8


1

2

3

4

5

Base Unit Assembly (includes items 2 - 17) a) G3, G6 b) G5, G10 c) G7, G14

• Top Plate Assembly

• Bolt (5/16”-18 x 1/2” Hex Head)

• Bolt (1/4”-20 Hex Head)

• Flatwasher (1/4”)

• Rear Cover Assembly (includes a fan kit)

• Right Panel

• Glide (Non-Skid)

9 • Bolt (5/16”-18 x 3/4” Hex Head)

10 • Caster

11 • Bolt (M8 x 10 mm Hex Head)

12 • Base Plate Assembly

13 • Fastener 1/4 turn

14 • Hex washer head screw #10 x 1/2”

15 • Tapered Pin

16 • Front Cover

17

18

• Refer to:

Vacuum base unit pump Assembly/

Motor

• Right Panel Cover and Screws

Refer to:

Electrical box covers

19 Electrical Cover Assembly

20

Pan head Phillips Screws (#10 x 3/8”)

21 • Left Panel

22

23

24

Belt Tension Checker Tool (016-1064-00) (Not

Shown)

Touch Up Paint (Brush-On 067-0053-02-366) (Not

Shown)

Touch Up-Paint (Aerosol 067-0053-01-366) (Not

Shown)

Qty.

1

3

1

2

2

16

4

2

Ref

3

3

1

12

1

1

4

REF

Ref

AR

AR

1

2

1

AR


E-9


13

002-1435-00

14

040-0375-00

014-0495-00

15

a) 20211100 b) 016-1056-00

12

5

10567300

10562900

4

11

62700101

9

7

10

10593400

7

62600208

2

029-5127-00

3

040-0500-31

6

20210900

Note



Models:


8

62700111

All

all

© Midmark Corporation 2010 SF-1943 [Revised: 12-31-15]

E-10

18

002-1851-00

16

014-0506-00

17

014-0708-00

16

1

029-3715-00

Vacuum base unit pump Assembly/Motor

Item Description Qty.

1

2

3

4

Pump Assembly

Motor Mount Assembly

Screw (1/2”-13 x 4” Hex Head Flange)

Spacer

7

8

5

6

Spring Pin (1/4” x 1 5/8”)

Belt Tensioner

Washer (3/8” Spring Lock)

Bolt (3/8”-16 x 3” Hex Head)

9 Clevis Adapter (included with item 10)

10 Pulley asm.

11 Bolt (3/8”-16 x 1 1/2 Hex Head)

12

Belt a) G3, G5, G6, G10 b) G7, G14

13 Motor , 3 HP, 3 Phase

14 Screw (3/8”-16 x 3/4”)

15 Vacuum Relief Valve (VRV), 1”

16 Adapter, 1” HB x 1” M

17 Tee, 1”

18 1” ID Hose Assembly

19 Gear Lube (064-0028-01) (Not Shown)

2

1

2

1

1

1

1

1

2

1

1

1

1

1

AR

1

2

1

4


014-0724-00

10

11

014-0725-00

2

014-0506-00

002-1440-00

1

12

014-0616-00

13

014-0549-01

10589900

9

014-0282-02

8

7

77000092

Parts 7 thru 9 no longer available.

Order kit # 002-1910-05.

4

62903609

6

016-1070-00

11

014-0725-00

3

014-0533-00

Models:


All

V2200 - V1648734


5

20205401

E-11

Vacuum base unit Loose parts

4

5

6

7


1 Loose Parts Kit (includes Items 2 - 13)

2

3

• Fitting (1” x 1” MPT)

• Bushing (1” FPT x 2” MPT) (NLA)

• Reducer (1 1/2” x 1” NPT) (NLA)

• Hose, Exhaust

• Wrench (Twin Open-End 1/2”)

• Poly Flo Tubing (NLA)

8

9

• Barb Fitting, Male (NLA)

• Reducer, 1/2” NPT x x1/8” NPT (NLA)

10 • Elbow, 1.5”, PVC, Sch 40 x NPTF

11

• Bushing, 1.5” x 1”, PVC, Sch 40 SIPIGOT x

NPTF

12

13

• Tee, 1.5”, PVC, Sch 40, SCKWELD x SCK-

WELD

• Bushing, 1.5” x .5” PVC, Sch 40 SPIGOT x

NPTF


1

1

1

12 ft

Qty.

1

3

1

1

1

2

1

1

1

014-0724-00

8

002-1440-00

1

62903606

7

014-0347-00

6

4

016-1070-00

9

014-0725-00

2

014-0506-00

10

014-0616-00

11

014-0549-01

5

014-0751-00

3

20205401

Models:


All

V1648735- Present


E-11.1

Vacuum base unit Loose parts

7

8

9

4

5

6


1 Loose Parts Kit (includes Items 2 - 11)

2

3

• Fitting (1” x 1” MPT)

• Hose, Exhaust

• Wrench (Twin Open-End 1/2”)

• Poly Flo Tubing

• Barb Fitting, Male

10

11

• Reducer, 1/2” NPT x 1/4” NPT

• Elbow, 1.5”, PVC, Sch 40 x NPTF

• Reducer, 1 1/2” MPT - 1” NPT

• Tee, 1.5”, PVC, Sch 40, SCKWELD x SCK-

WELD

• Bushing, 1.5” x .5” PVC, Sch 40 SPIGOT x

NPTF


Qty.

1

3

1

1

12 ft

1

1

2

1

1

1

029-5108-00

2

053-1858-01

23

053-2060-00

22

65972500

21

040-0008-79

20

122357

19

015-0002-06

3

029-5125-00

1

4

040-0004-22

62947602

18

045-0001-31

17

16

122010

053-2274-00

24

8

14

002-1434-00

15

Models:


All

V998996 to V1035120


002-1446-00

8

8

12

11

10

62502416

015-0346-36

015-1534-00

13

015-2817-00

E-12

5

053-1664-00-000

6

002-1445-00

7

002-1442-00

8

BSW20455

9

002-1447-00

8

Note



Item #24 was added to the design after production started for factory test purposes. It is an insulator to the EMC/RFI line filter and can be installed on earlier units, but not needed.

Electrical box


3

4

5

1

2

6

Electrical Box Assembly (includes Items 2 - 24)

• Electrical Box

• Bushing

• Screw (#4-40 x 5/16” Pan Head)

• Standoff

• PCB Assembly and Power Supply

(PC Board and Daughter Card)

7

8

9

• 24 VAC Harness (Transformer)

• Screw (# 8 - 32 x 1/2”)

• Variable Frequency Drive Kit

(Version 5.04 Software)

10 • Screw (#6-32 x 1/2” Pan Head Phillips)

11 • Fuse (1/8 A, 250 V)

12 • Fuseblock (1/4” x 1 1/4”)

13 • Contactor

14 • Conduit (6ft)

15 • EMC/RFI Line Filter

16 • Pem Stud (#10-32 x 7/8”)

17 • Lock Washer

18 • Cord Clip

19 • Nut Keps (#10-32)

20 • Screw (#8-32 x 1/2” Pan Head)

21 • Fan Thermal Switch

22 • Push Mount Cable Tie

23 • Standoff

24 • Spacer, VFD Filter


1

1

18

1

Qty.

1

6

5

1

1

1

3

2

1

1

1

1

1

1

2

6 ft.

1

7

1

1

029-5108-00

2

053-1858-01

23

053-2060-00

22

65972500

21

040-0008-79

20

015-0002-06

3

122357

19

029-5125-00

1

4

040-0004-22

62947602

18

045-0001-31

17

16

122010

053-2274-00

24

8

002-1434-00

15

14

Models:


All

V1035121 to V1648734


002-1446-00

8

8

12

11

10

62502416

015-0346-36

015-1534-00

13

015-2817-00

E-12.1

5

053-1664-00-000

6

002-1445-00

7

002-1442-00

8

BSW20455

9

002-1447-00

8

Note






3

4

5

1

2


• Electrical Box

• Bushing

• Screw (#4-40 x 5/16” Pan Head)

• Standoff

6

7

8




• Screw (# 8 - 32 x 1/2”)

9


Version 5.05 Software)


11 • Fuse (1/8 A, 250 V)

12 • Fuseblock (1/4” x 1 1/4”)

13 • Contactor



16 • Pem Stud (#10-32 x 7/8”)

17 • Lock Washer

18 • Cord Clip

19 • Nut Keps (#10-32)

20 • Screw (#8-32 x 1/2” Pan Head)



23 • Standoff

24 • Spacer, VFD Filter


1

1

18

1

Qty.

1

6

5

1

1

6 ft.

1

1

1

1

3

2

1

1

1

1

2

7

1

029-5108-00

2

053-1858-01

23

053-2060-00

22

65972500

21

040-0008-79

20

015-0002-06

3

4

040-0004-22

122357

19

62947602

18

045-0001-31

17

002-1434-00

Models:


16

122010

15

All

V1648735 to Present


029-5125-00

1

14

002-1446-00

8

8

13

12

5

053-1664-00-000

6

002-1445-00

7

002-1442-00

8

BSW20455

9

002-1447-00

Note




10

62502416

11

015-0346-36

015-1534-00

015-2817-00

E-12.2

8



3

4

5

1

2

6


• Electrical Box

• Bushing

• Screw (#4-40 x 5/16” Pan Head)

• Standoff



7

8


• Screw (# 8 - 32 x 1/2”)

9


Version 5.05 Software)


11 • Fuse (1/8 A, 250 V)

12 • Fuseblock (1/4” x 1 1/4”)

13 • Contactor



16 • Pem Stud (#10-32 x 7/8”)

17 • Lock Washer

18 • Cord Clip

19 • Nut Keps (#10-32)

20 • Screw (#8-32 x 1/2” Pan Head)



23 • Standoff


1

14

1

1

1

1

2

6 ft.

1

1

3

2

1

1

1

7

1

Qty.

1

6

5

1

1

1

5

1

002-1437-00

Models:


All

all


4

62502424

3

040-0010-109

2

E-13

Electrical box covers


1

2

3

4

5

Electrical Cover

Screw (#10-24 x 3/8” Pan Head Phillips)

Screw (#8 x 3/8” Self Tap)

Refer to:


Refer to:



Qty.

1

6

8

Ref

Ref

9

002-1433-00

1

Note



20235600

7

Test

ECS10422

6

2

61402702

Test

3

62977400

4

050-6581-00-312

5

040-0010-159

8

Models:


All

all


E-14

Front panel controls

4

5

6

7


1 Keypad Kit

2

3

Keps Nut (#6-32)

Limit Switch

8

9

Mounting Bracket

Screw (10-24 x 5/8”)

On/Off Switch

Hour Meter

Refer to:

Refer to:




1

1

1

1

Qty.

1

4

1

Ref

Ref

002-1444-00

2

1

3

65962401

2

2

4

10595200

Models:


All

all


015-2746-00

5

E-15

Fan Assembly

3

4

5


1

2

Rear Cover Assembly (includes Items 2 - 4)

Refer to:


Fan Kit (includes item #5)

Edge Trim

Weather Stripping (1/2” x 1/16”)

Daisy Chain Cord


Qty.

1

Ref

1

AR

AR

1

040-0312-96

1

053-2309-00

2

041-0312-06

3

Models:


All

V1149063 thru V1291721


E-16

shipping bolt Assembly

(Only use when moving base unit)


1

2

3

Screw (.312-18 x 1/2”)

Grommet (1/2”, 3/16”)

Hex Jam Nut (.312-18)


Qty.

2

2

2

040-0312-96

62600117

2

1

053-2309-00

3

041-0312-06

4

Models:


All



E-16

.

1

3

4

1

2

shipping bolt Assembly

(Only use when moving base unit)


Screw (.312-18 x 1/2”)

Grommet (1/2”, 3/16”)

Washer (5/16”)

Hex Jam Nut (.312-18)


Qty.

2

2

2

2

Midmark Corporation

For contact information, go to: www.midmark.com

SUBJECT TO CHANGE WITHOUT NOTICE

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