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Gentec 882VR Operation And Maintenance Manual

Made by: Gentec
Type: Operation And Maintenance Manual
Category: Controller
Pages: 8
Size: 1.82 MB

 

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IMPORTANT SAFETY INSTRUCTIONS. 

 

READ AND UNDERSTAND THESE INSTRUCTIONS 
COMPLETELY BEFORE OPERATING THIS 
EQUIPMENT. 

 

If you do not understand any of these instructions, or if you have any 

questions regarding the use of this product, please contact your 

facility’s training manager, your supervisor, the medical equipment 
dealer from whom the product was purchased, or the manufacturer 

before operating the equipment. 

 

Do not attempt to repair this device if you have not been properly 
trained. Doing so may create a hazardous situation that may result in 

death or serious injury. Attempted repair by anyone other than a duly 

authorized repair/service center of Genstar Technologies Co., Inc. voids 
any and all warranties, express or implied. 

 

Carefully inspect and test this product before each use to ensure proper 

operation. Do not use the product if there are signs of damage or if it 
does not pass the initial suction test. 

 

Should this product require repair or service that will require shipping 
the product to another location, bear in mind that United States 

Federal law prohibits shipping contaminated products, as they 

constitute a biohazard. This product must be properly sterilized and 

securely packaged prior to shipping. 

Genstar Technologies Co., Inc. (GENTEC®) manufactures continuous suction 
regulators in two ranges, 0 to 300mmHg (882VR-300) and 0 to 760mmHg (882VR-

760). These suction regulators provide three modes: REG (regulated vacuum), OFF 

(no vacuum) and FULL (whatever is available at the wall inlet). Please take a few 

minutes to familiarize yourself with the product by reviewing Figure 1 on the next 
page. 

 

The mode is selected by moving the lever at the top of the regulator to the left 
(REG) for regulated suction, the center (OFF) to turn off the regulator, or the right 

(FULL) to allow full line suction. 

 
The REG mode provides regulated suction levels as set by the user. The suction 
level is set by occluding the suction tubing, then adjusting the regulator knob on 

the front of the suction regulator to achieve the desired suction level, up to the 

designed range. Suction is increased by turning the regulator knob clockwise, 
decreased by turning it counter-clockwise. 

 
The OFF mode turns off the suction regulator, allowing no suction at the tubing.  

# Problem 

Probable 

Cause 

 

Corrective 

Measures 

1  

The vacuum gauge 

needle does not move 

off “0” when regulator 
is connected to 

vacuum source. 

The regulator is in the “OFF” 

mode, or is not fully in the 
“REG” or “FULL” position. 

Move the mode 
selector to the 

“REG” or “FULL” 

position. 

The adjustment knob is in the 

fully counter-clockwise, closed, 

position. 

Turn the 

adjustment knob 

clockwise to open. 

The collection bottle or suction 
tube is leaking. 

Check the 

collection bottle 

and tubing for leaks. 

The vacuum regulator 

gauge shows a reading, 

but there is no suction 

at the tubing. 

The collection bottle is too full, 

causing the float to shut off the 

suction. 

Empty the 
collection bottle. 

The filters or suction tubing are 
clogged. 

Change the filters 
and tubing. 

3  

Under REG mode the 

regulator cannot reach 

the specified suction 

level (i.e., 200mmHg or 
760mmHg, depending 

upon model). 

Suction source cannot provide 
sufficient suction. 

Increase source 

equipment vacuum 

settings. 

Regulator 

Internal 
Problems 

Relief valve (8) is 
damaged. 

Replace relief valve. 

O-ring on vacuum 

gauge (7) is 

damaged. 

Replace o-ring. 

O-ring in regulator 

assembly (4) is 

damaged. 

Replace o-ring. 

Regulator assembly 
(4) is damaged. 

Replace regulator 
assembly. 

Mode selector 

assembly (3) is 

loose. 

Tighten or replace 

mode selector 

assembly. 

Under REG mode the 
suction is too strong 

and cannot be reduced. 

Clean gas assist 

port. 

Gas assist port (6) is clogged. 

 


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No. Part 

No. 

Description 

No. Part 

No.  Description 

300660110 

Screw Kit (Set of 5) 

  

 Shaft 

2 200260010 

Back 

Plate 

  

 Spring 

3 203060040 

Mode Selector 
Assembly 

6 204880020 

Filter 
Assembly 

4 203060010 

Regulator 

Assembly 

  

 Protecting 

Cap 

5 204880010 

Adjustment Knob 
Assembly 

  

 Sponge 

Filter 

  

 

Logo Sticker 

  

 Orifice 

Union 

  

 

Screw 

  

 Orifice 

Seat 

  

 

Knob 7 

141742301 

Gauge 

  

 

Washer 8 

304360010 

Relief 

Valve 

  

 

Spring 9 

304660010 

Main 

Cover 

  

 

C-Clip 

  

  

  

 
The FULL mode bypasses the regulator, and is designed for use only when high 
levels of suction are needed. Care should be exercised when using this setting, as 

the patient will be exposed to whatever level of suction is available at the wall inlet 

(typically above 480mmHg). 
 

A suction filter or vacuum trap assembly (GENTEC catalog #880VT) should be 

used to prevent aspirate from entering the suction regulator. Typically, the suction 

catheter is connected to the suction tubing, which is then connected to the inlet 
fitting on the suction canister. 

 

The canister can be connected directly to the suction regulator via DISS 
connection, or, as is recommended, connected to a filter or vacuum trap, which is 

then connected to the suction regulator via direct, threaded connection, suction 

tubing, or DISS connector (see Figure 2). 
 

The appropriate outlet connector (located on the back of the suction regulator) 

must be used for connection to the wall inlet. The use of converting adapters (e.g., 

DISS connection to Ohio connection) should be avoided. If the suction regulator is 
connected via tubing or hose assembly to the wall inlet (as occurs when the 

suction regulator is attached to a mobile stand), a minimum inside hose diameter 

(ID) of 5/16” (7.9mm) should be used to prevent loss of flow. 
 
DO NOT

 connect the suction tubing directly from the patient to either the 

Mode Selector  

Gauge 

Regulator  
Adjustment Knob 

Outlet (in back) 

Inlet (on bottom) 

Figure 1 - Main Features 

 


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vacuum trap assembly or the suction regulator. Doing so may permanently damage 
the suction regulator and void any and all warranties, express or implied. 

A collection canister (reusable or disposable) MUST be used between the patient 

and the suction regulator or vacuum trap, if used. If a vacuum trap is not used it is 
recommended that a disposable hydrophobic bacterial filter be used between the 

suction canister and the suction regulator to prevent overflow of the canister into 

the suction regulator. Use of these filters may also prevent build up of aerosolized 

particulate inside the suction regulator, thus reducing maintenance requirements 
and extending the life of the unit. 

VERIFYING REGULATOR OPERATION 
NOTE: The proper operation of the suction regulator must be verified prior to each 

use. Should the regulator not operate in accordance with the following, it must be 

repaired by authorized personnel. 

1) Ensure that the Mode selector is in the OFF (center) position.

2) Connect the regulator to a vacuum source (normally the wall-mounted inlet).

3) Occlude the regulator inlet, and turn the adjustment knob one full turn

clockwise.

4) Verify that the gauge needle does not move from the “0” position.

5) Move the Mode selector to the “REG” position.

6) Occlude the regulator inlet, and turn the adjustment knob counter-clockwise

until the gauge needle is at 0.

7) Keeping the inlet occluded, turn the adjustment knob one full turn clockwise.

The gauge should read between 120 and 170 mmHg.

8) Keeping the inlet occluded, turn the adjustment knob fully clockwise. The

gauge needle should move clockwise to the highest vacuum setting.

9) Move the Mode selector to the “FULL” position.

10) Occlude the regulator inlet. The gauge needle should move to the highest

vacuum setting.

11) Turning the adjustment knob should have no effect on the gauge reading when

the selector knob is in the FULL position.

12) Move the Mode selector to the “OFF” position. The needle should return to 0

If the regulator passes all of the above, it is ready for patient use. Failure of any of 

the above requires that the unit be serviced by authorized personnel. 

Once the operation of the regulator has been verified, it can be prepared for patient 

use as follows: 

1) Connect the regulator to the wall inlet, ensuring proper latching.

2) Move the Mode selector to “REG”.
3) Occlude the inlet or tubing.

4) Adjust the regulator knob to achieve the desired level of vacuum.

5) Attach the suction catheter and proceed.

NOTE: the suction regulator should always be turned OFF when not in use. This 

882VR Disassembly Instructions 

1)

Disconnect the 882VR from the suction source

2)

Sterilize the suction regulator using ETO or autoclave, for self-protection

3)

Remove the four screws on the back of the unit

4)

Turn the regulator adjustment knob counterclockwise to release the faceplate

5)

The gauge can be gently lifted out of the socket

6)

The regulator can be gently lifted out of the socket

7)

One screw holds the Mode selector lever in place.

Reassembly is accomplished by performing the above steps in reverse order. 

The following repair assemblies can be purchased from your Authorized GENTEC 
distributor (refer to the exploded view on the next page): 

Possible Back 
Fittings 

Ohio/Ohmeda 

Chemetron 

DISS Nut & Nipple 

DISS Hand-Tight 

Puritan-Bennett 

Hose Barb 

Possible Inlet Fittings 

Vacuum Trap Assembly or Fitting Only 

Hose Barb 

DISS Male 

Figure 2 - Suction Regulator Configurations 

DO NOT connect suction tubing directly to the vacuum trap, filter or suction regulator! 

Vacuum Filter 

The regulator can be cleaned by wiping the outside surfaces with disinfectants, 

Virox (accelerated hydrogen peroxide), Clorox (sodium hypochlorite), and Cavi-

wipes. The internal flow path can be cleaned by suctioning a cold sterilant 

through the unit, then allowing the unit to run for 30-45 minutes to dry the 

interior. 

 


background image

vacuum trap assembly or the suction regulator. Doing so may permanently damage 
the suction regulator and void any and all warranties, express or implied. 

A collection canister (reusable or disposable) MUST be used between the patient 

and the suction regulator or vacuum trap, if used. If a vacuum trap is not used it is 
recommended that a disposable hydrophobic bacterial filter be used between the 

suction canister and the suction regulator to prevent overflow of the canister into 

the suction regulator. Use of these filters may also prevent build up of aerosolized 

particulate inside the suction regulator, thus reducing maintenance requirements 
and extending the life of the unit. 

VERIFYING REGULATOR OPERATION 
NOTE: The proper operation of the suction regulator must be verified prior to each 

use. Should the regulator not operate in accordance with the following, it must be 

repaired by authorized personnel. 

1) Ensure that the Mode selector is in the OFF (center) position.

2) Connect the regulator to a vacuum source (normally the wall-mounted inlet).

3) Occlude the regulator inlet, and turn the adjustment knob one full turn

clockwise.

4) Verify that the gauge needle does not move from the “0” position.

5) Move the Mode selector to the “REG” position.

6) Occlude the regulator inlet, and turn the adjustment knob counter-clockwise

until the gauge needle is at 0.

7) Keeping the inlet occluded, turn the adjustment knob one full turn clockwise.

The gauge should read between 120 and 170 mmHg.

8) Keeping the inlet occluded, turn the adjustment knob fully clockwise. The

gauge needle should move clockwise to the highest vacuum setting.

9) Move the Mode selector to the “FULL” position.

10) Occlude the regulator inlet. The gauge needle should move to the highest

vacuum setting.

11) Turning the adjustment knob should have no effect on the gauge reading when

the selector knob is in the FULL position.

12) Move the Mode selector to the “OFF” position. The needle should return to 0

If the regulator passes all of the above, it is ready for patient use. Failure of any of 

the above requires that the unit be serviced by authorized personnel. 

Once the operation of the regulator has been verified, it can be prepared for patient 

use as follows: 

1) Connect the regulator to the wall inlet, ensuring proper latching.

2) Move the Mode selector to “REG”.
3) Occlude the inlet or tubing.

4) Adjust the regulator knob to achieve the desired level of vacuum.

5) Attach the suction catheter and proceed.

NOTE: the suction regulator should always be turned OFF when not in use. This 

882VR Disassembly Instructions 

1)

Disconnect the 882VR from the suction source

2)

Sterilize the suction regulator using ETO or autoclave, for self-protection

3)

Remove the four screws on the back of the unit

4)

Turn the regulator adjustment knob counterclockwise to release the faceplate

5)

The gauge can be gently lifted out of the socket

6)

The regulator can be gently lifted out of the socket

7)

One screw holds the Mode selector lever in place.

Reassembly is accomplished by performing the above steps in reverse order. 

The following repair assemblies can be purchased from your Authorized GENTEC 
distributor (refer to the exploded view on the next page): 

Possible Back 
Fittings 

Ohio/Ohmeda 

Chemetron 

DISS Nut & Nipple 

DISS Hand-Tight 

Puritan-Bennett 

Hose Barb 

Possible Inlet Fittings 

Vacuum Trap Assembly or Fitting Only 

Hose Barb 

DISS Male 

Figure 2 - Suction Regulator Configurations 

DO NOT connect suction tubing directly to the vacuum trap, filter or suction regulator! 

Vacuum Filter 

The regulator can be cleaned by wiping the outside surfaces with disinfectants, 

Virox (accelerated hydrogen peroxide), Clorox (sodium hypochlorite), and Cavi-

wipes. The internal flow path can be cleaned by suctioning a cold sterilant 

through the unit, then allowing the unit to run for 30-45 minutes to dry the 

interior. 

 


background image

No. Part 

No. 

Description 

No. Part 

No.  Description 

300660110 

Screw Kit (Set of 5) 

  

 Shaft 

2 200260010 

Back 

Plate 

  

 Spring 

3 203060040 

Mode Selector 
Assembly 

6 204880020 

Filter 
Assembly 

4 203060010 

Regulator 

Assembly 

  

 Protecting 

Cap 

5 204880010 

Adjustment Knob 
Assembly 

  

 Sponge 

Filter 

  

 

Logo Sticker 

  

 Orifice 

Union 

  

 

Screw 

  

 Orifice 

Seat 

  

 

Knob 7 

141742301 

Gauge 

  

 

Washer 8 

304360010 

Relief 

Valve 

  

 

Spring 9 

304660010 

Main 

Cover 

  

 

C-Clip 

  

  

  

 
The FULL mode bypasses the regulator, and is designed for use only when high 
levels of suction are needed. Care should be exercised when using this setting, as 

the patient will be exposed to whatever level of suction is available at the wall inlet 

(typically above 480mmHg). 
 

A suction filter or vacuum trap assembly (GENTEC catalog #880VT) should be 

used to prevent aspirate from entering the suction regulator. Typically, the suction 

catheter is connected to the suction tubing, which is then connected to the inlet 
fitting on the suction canister. 

 

The canister can be connected directly to the suction regulator via DISS 
connection, or, as is recommended, connected to a filter or vacuum trap, which is 

then connected to the suction regulator via direct, threaded connection, suction 

tubing, or DISS connector (see Figure 2). 
 

The appropriate outlet connector (located on the back of the suction regulator) 

must be used for connection to the wall inlet. The use of converting adapters (e.g., 

DISS connection to Ohio connection) should be avoided. If the suction regulator is 
connected via tubing or hose assembly to the wall inlet (as occurs when the 

suction regulator is attached to a mobile stand), a minimum inside hose diameter 

(ID) of 5/16” (7.9mm) should be used to prevent loss of flow. 
 
DO NOT

 connect the suction tubing directly from the patient to either the 

Mode Selector  

Gauge 

Regulator  
Adjustment Knob 

Outlet (in back) 

Inlet (on bottom) 

Figure 1 - Main Features 

 


background image

IMPORTANT SAFETY INSTRUCTIONS. 

 

READ AND UNDERSTAND THESE INSTRUCTIONS 
COMPLETELY BEFORE OPERATING THIS 
EQUIPMENT. 

 

If you do not understand any of these instructions, or if you have any 

questions regarding the use of this product, please contact your 

facility’s training manager, your supervisor, the medical equipment 
dealer from whom the product was purchased, or the manufacturer 

before operating the equipment. 

 

Do not attempt to repair this device if you have not been properly 
trained. Doing so may create a hazardous situation that may result in 

death or serious injury. Attempted repair by anyone other than a duly 

authorized repair/service center of Genstar Technologies Co., Inc. voids 
any and all warranties, express or implied. 

 

Carefully inspect and test this product before each use to ensure proper 

operation. Do not use the product if there are signs of damage or if it 
does not pass the initial suction test. 

 

Should this product require repair or service that will require shipping 
the product to another location, bear in mind that United States 

Federal law prohibits shipping contaminated products, as they 

constitute a biohazard. This product must be properly sterilized and 

securely packaged prior to shipping. 

Genstar Technologies Co., Inc. (GENTEC®) manufactures continuous suction 
regulators in two ranges, 0 to 300mmHg (882VR-300) and 0 to 760mmHg (882VR-

760). These suction regulators provide three modes: REG (regulated vacuum), OFF 

(no vacuum) and FULL (whatever is available at the wall inlet). Please take a few 

minutes to familiarize yourself with the product by reviewing Figure 1 on the next 
page. 

 

The mode is selected by moving the lever at the top of the regulator to the left 
(REG) for regulated suction, the center (OFF) to turn off the regulator, or the right 

(FULL) to allow full line suction. 

 
The REG mode provides regulated suction levels as set by the user. The suction 
level is set by occluding the suction tubing, then adjusting the regulator knob on 

the front of the suction regulator to achieve the desired suction level, up to the 

designed range. Suction is increased by turning the regulator knob clockwise, 
decreased by turning it counter-clockwise. 

 
The OFF mode turns off the suction regulator, allowing no suction at the tubing.  

# Problem 

Probable 

Cause 

 

Corrective 

Measures 

1  

The vacuum gauge 

needle does not move 

off “0” when regulator 
is connected to 

vacuum source. 

The regulator is in the “OFF” 

mode, or is not fully in the 
“REG” or “FULL” position. 

Move the mode 
selector to the 

“REG” or “FULL” 

position. 

The adjustment knob is in the 

fully counter-clockwise, closed, 

position. 

Turn the 

adjustment knob 

clockwise to open. 

The collection bottle or suction 
tube is leaking. 

Check the 

collection bottle 

and tubing for leaks. 

The vacuum regulator 

gauge shows a reading, 

but there is no suction 

at the tubing. 

The collection bottle is too full, 

causing the float to shut off the 

suction. 

Empty the 
collection bottle. 

The filters or suction tubing are 
clogged. 

Change the filters 
and tubing. 

3  

Under REG mode the 

regulator cannot reach 

the specified suction 

level (i.e., 200mmHg or 
760mmHg, depending 

upon model). 

Suction source cannot provide 
sufficient suction. 

Increase source 

equipment vacuum 

settings. 

Regulator 

Internal 
Problems 

Relief valve (8) is 
damaged. 

Replace relief valve. 

O-ring on vacuum 

gauge (7) is 

damaged. 

Replace o-ring. 

O-ring in regulator 

assembly (4) is 

damaged. 

Replace o-ring. 

Regulator assembly 
(4) is damaged. 

Replace regulator 
assembly. 

Mode selector 

assembly (3) is 

loose. 

Tighten or replace 

mode selector 

assembly. 

Under REG mode the 
suction is too strong 

and cannot be reduced. 

Clean gas assist 

port. 

Gas assist port (6) is clogged. 

 


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