Buffalo filter ViroVac DKVV220 Service Manual Download Page 38 | Manualshive

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Chapter 7 | Repair

www.buffalofilter.com +1 716.835.7000 (International) 800.343.2324 (United States) [email protected]

7-1

7

Repair

Precautionary Warnings

NOTE:

Proper care and maintenance of the ViroVac

©

Surgical Smoke Evacuator

is required

to ensure safe operation and service. Function and operation of the ViroVac

©

Surgical Smoke

Evacuator

shall be checked after each replacement session to protect patient and user.

Always switch off and unplug the ViroVac

©

Surgical Smoke Evacuator

before

disassembling or reassembling.

Wait at least three (3) minutes to allow stored energy to dissipate after the power is
disconnected before replacing any parts.

Do not touch any exposed wiring or conductive surfaces while ViroVac

©

Surgical Smoke

Evacuator

is disassembled and energized. Never wear a grounding strap when working

on an energized unit.

Perform a hipot test and current leakage test if the following parts have been replaced:

• PCB
• Motor

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Summary of Contents for ViroVac DKVV220

Page 1: ...ViroVac Surgical Smoke Evacuator Service Manual BUFFALO FILTER www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com ...

Page 2: ...www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com ...

Page 3: ...ble law over all designs concepts ideas drawings software and any other intellectual property described or referred to in this manual except where specifically identified otherwise All or any part of this information may not be disclosed under any circumstances to any other company or other party without the express written consent of Buffalo Filter LLC REVISION DATE AUTHOR CHANGES A 01 2018 Buffa...

Page 4: ...ers 1 6 Replacement Part Orders 1 6 System Overview 2 1 General Description 2 1 Product Layout 2 1 Major Assemblies 2 4 System Information 3 1 System Specifications 3 1 System References 3 3 System Operation 4 1 Installation 4 1 Filter Instructions 4 3 System Maintenance 5 1 General Maintenance 5 1 Cleaning 5 1 Inspection 5 1 Troubleshooting 6 1 Troubleshooting Table 6 1 Repair 7 1 Precautionary W...

Page 5: ...www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com ...

Page 6: ... that captures particulates and micro organisms from 0 1 to 0 2 microns at 99 999 peak efficiency 3 The third stage filtration uses the highest grade virgin activated carbon The activated carbon is known to remove toxic organic gases and may provide optimal odor removal 4 The fourth stage filtration is a woven fiberglass filtration media used to reduce the amount of activated carbon fines from mig...

Page 7: ...ammable or explosive gases The ViroVac Surgical Smoke Evacuator may cause radio interference or may disrupt the operation of nearby equipment It may be necessary to take mitigation measures such as reorienting or relocating the ViroVac Surgical Smoke Evacuator or shielding the location The use of accessories other than those specified by the manufacturer as replacement parts for internal component...

Page 8: ...to 20 32 cm of clearance between the rear of the unit and any obstruction Use only the power cord provided with the ViroVac Surgical Smoke Evacuator and always connect it to a grounded electrical outlet The ambient temperature during the operation of the ViroVac Surgical Smoke Evacuator must be kept between 50 to 104 F 10 to 40 C The relative humidity during operation of the ViroVac Surgical Smoke...

Page 9: ...NG DANGER CAUTION RISK OF EXPLOSION IF USED IN THE PRESENCE OF FLAMMABLE ANESTHETICS CAUTION TYPE CF APPLIED PART PROTECTION AGAINST INGRESS OF WATER AS DETAILED IN IEC 60529 IPX1 ALTERNATING CURRENT PROTECTIVE EARTH GROUND EQUIPOTENTIALITY DENOTES THE DATE THE EQUIPMENT WAS MANUFACTURED DENOTES THE MANUFACTURER OF THE DEVICE NON IONIZING RADIATION CONSULT INSTRUCTIONS REMOTE ACTIVATOR Chapter 1 I...

Page 10: ...which is inserted into this outlet There are other possible arrangements for such outlets including the use of lateral grounding contacts which make contact with metallic strips on the side of the plug Also called by various other names including grounding outlet ground outlet grounded receptacle grounding receptacle grounded socket safety outlet or three prong outlet IEC International Electrotech...

Page 11: ...ices before returning the ViroVac Surgical Smoke Evacuator The customer must print fill out and sign the return instructions form located at http buffalofilter com service support return policy 4 Use the original packaging material to return the ViroVac Surgical Smoke Evacuator whenever possible If the original packaging material is not available ask Customer Technical Services for advice on how t...

Page 12: ... the ViroVac Surgical Smoke Evacuator Product Layout The external instrument layout is the same for all the ViroVac Surgical Smoke Evacuator models See page 2 2 for the layout of the instrument from the front view Figure 2 1 and the rear view Figure 2 2 Descriptions of the instruments which are located on the front and rear panels of the ViroVac Surgical Smoke Evacuator are denoted on page 2 3 and...

Page 13: ...tton Service Indicator LED Pneumatic Footswitch Port Filter Life Indicator LED Motor Speed Indicators Low Medium High LED Motor On Indicator LED Standby Indicator LED Three Port Filter with Hidden Male Ports Motor Speed Control Button Low Medium High CONTROL PANEL Figure 2 1 Automatic Activation Device Port Power Receptacle Equipotential Grounding Terminal Figure 2 2 Front View Rear View ...

Page 14: ...Life High motor speed setting up to 18 hours of Filter Life Install an unused filter into the ViroVac Surgical Smoke Evacuator as per the installation instructions When the Motor On LED is illuminated the Filter Life Indicator will light up the uppermost green LED indicating 100 filter life The indicator will progress through subsequent green LEDs to a yellow LED as time elapses and begin flashing...

Page 15: ... operador Manuel d utilisation Manuale dell operatore Brugervejledning Bedieningshandleiding Manual do operador Operatørhåndbok Användarhandbok Návod k obsluze ViroVac Surgical Smoke Evacuator BF P N 901837REVC BUFFALO FILTER 120 Power Cord 220 Power Cord Pneumatic Footswitch CD Electronic Manual Chapter 2 System Overview Figure 2 3 Major Assemblies Fascia Assembly Figure 2 4 ...

Page 16: ...www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com Chapter 2 System Overview Major Assemblies continued Body Assembly Figure 2 5 2 5 ...

Page 17: ...r com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com Chapter 2 System Overview Major Assemblies continued Bottom Assembly Figure 2 6 2 6 Models VV120 and VV220 Model DKVV220 ...

Page 18: ...com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com Chapter 2 System Overview Major Assemblies continued Motor Block Assembly 2 7 Figure 2 7 Model DKVV220 Models VV120 and VV220 ...

Page 19: ...www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com Chapter 2 System Overview 2 8 ...

Page 20: ...5 4 Degree of safety of application in the presence of flammable anesthetic mixture with air oxygen or nitrous oxide UL 60601 1 Clause 5 5 Not Suitable Mode of operation UL 60601 1 Clause 5 6 Continuous The fuses on the circuit board are to be serviced by an authorized technician 100 120 V ac 50 60 Hz use 10 A 250 Volt Fuse Slo Blo F1 F2 220 240 V ac 50 60 Hz use 8 A 250 Volt Fuse Slo Blo F1 F2 Th...

Page 21: ...nse The ViroVac Surgical Smoke Evacuator operates in the following radio frequency specifications RX modulation Pulse width coded AM 100 modulation TX Frequencies Manchester encoded A fc 423 75kHz B fc 484 29kHz Low bit transition A to B High bit transition B to A To isolate the ViroVac Surgical Smoke Evacuator from supply mains unplug the power cord from the power receptacle on the ViroVac Surgic...

Page 22: ...poses only Using a new 7 8 in 22 mm tubing www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com System References Performance References 3 3 PERFORMANCE Model Name Description Model DKVV220 Maximum Flow Setting CFM U S Standard Hose I D 7 8 in 18 4 CFM Standard Hose I D 22 mm 521 LPM Dimensions H x W x D in 6 x 11 x 15 5 Dimensions H x W ...

Page 23: ...F Emissions CISPR 11 Group 1 The ViroVac Surgical Smoke Evacuator uses RF energy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF Emissions CISPR 11 Class A The ViroVac Surgical Smoke Evacuator is suitable for use in all establishments other than domestic establishments and those directly connected...

Page 24: ...V for input output lines Mains power quality should be that of a typical commercial or hospital environment Surge IEC 61000 4 5 1 kV differential mode 2 kV common mode 1 kV differential mode 2 kV common mode Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 5 UT 95 di...

Page 25: ...e in meters M IEC 61000 4 6 150 kHz to 80 MHz Field strength from fixed RF transmitters as determined by an electromagnetic site survey should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobi...

Page 26: ...e Evacuator as recommended below according to the maximum output power of the communications equipment Rated maximum output power of transmitter W Separation distance according to frequency of transmitter m 150 kHz to 80MHz 3 5 d P v1 80 kHz to 800 MHz 3 5 d P E1 800 kHz to 2 5 GHz 3 5 d P E1 0 01 0 12 0 12 0 23 0 1 0 34 0 34 0 74 1 1 7 1 7 2 3 10 3 7 3 7 7 4 100 11 7 11 7 23 3 For transmitters ra...

Page 27: ...Chapter 3 System Information www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com 3 8 ...

Page 28: ...re 4 1 on page 4 2 and any other attached accessories to prevent a tripping hazard or crimping of cords which could cause unreliable operation 7 Activate the ViroVac Surgical Smoke Evacuator by a Pressing the Suction On Standby Button on the control panel Figure 4 3 on page 4 2 b Depressing and releasing the pneumatic footswitch if connected Figure 4 1 on page 4 2 8 Adjust the suction level to the...

Page 29: ... Cord Pneumatic Footswitch Automatic Activation Device Port Power Receptacle Equipotential Grounding Terminal Suction On Standby Button Service Indicator LED Pneumatic Footswitch Port Filter Life Indicator LED Motor Speed Indicators Low Medium High LED Motor On Indicator LED Standby Indicator LED Three Port Filter with Hidden Male Ports Motor Speed Control Button Low Medium High CONTROL PANEL 4 2 ...

Page 30: ...ny other filter or accessory not supplied by Buffalo Filter LLC may cause damage to the system and or cause the ViroVac Surgical Smoke Evacuator to be inoperable NOTE Before installing the filter be sure that the ViroVac Surgical Smoke Evacuator is placed in the standby mode by pressing the Suction On Standby Button Figure 4 4 NOTE Replace the filter when the filter life indicator LED Figure 4 4 f...

Page 31: ...e indicated instructions for maintenance and installation of a new filter Chapter 4 System Operation www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com Figure 4 5 Failure to change this filter may result in decreased efficiency and contamination of the electric motor vacuum pump and sound absorbing media within the system or non operati...

Page 32: ...rgical Smoke Evacuator Inspection Damage to the power cord or the power inlet module Obvious external or internal damage to the ViroVac Surgical Smoke Evacuator and the filter Keep the bottom vents free from any obstruction to prevent overheating Figure 5 1 and Figure 5 2 on page 5 2 Keep the area around the unit free from obstructions that would prevent the ViroVac Surgical Smoke Evacuator to exh...

Page 33: ...m 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com Chapter 5 System Maintenance Figure 5 1 5 2 Inspection continued Intake Vents Exhaust Vents Figure 5 2 Exhaust Vents Intake Vents ...

Page 34: ...roVac Surgical Smoke Evacuator does not function even though On Standby Button is depressed No lights or locked lights Not plugged into an electrical outlet Check the grounded electrical outlet connection and the power receptacle located at the rear of the ViroVac Surgical Smoke Evacuator Fuse s are blown Disconnect the power Remove the fascia and the body Check if one of the two fuses on the circ...

Page 35: ...or not spinning Fuse s are blown Disconnect the power Remove the fascia and the body Check if one of the two fuses on the circuit board PCB are blown Replace fuse s PCB is not functioning Apply the power directly to the motor If the motor spins the PCB is not functioning Replace the PCB Perform a hipot test and current leakage test after replacing the PCB or the motor Motor not functioning Apply t...

Page 36: ...s the PCB is not functioning Replace the PCB Perform a hipot test and current leakage test after replacing the PCB or the motor NOTE Two 2 10A fuses for 100 120 ViroVac Surgical Smoke Evacuators or two 2 8A fuses for 220 240 ViroVac Surgical Smoke Evacuators are located on the circuit board PCB Figure 6 1 on page 6 4 within the housing of the system The fuses electrically protect both the ViroVac ...

Page 37: ...www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com 6 4 Chapter 6 Troubleshooting Figure 6 1 Fuse Locations Troubleshooting Table continued ...

Page 38: ...fter each replacement session to protect patient and user Always switch off and unplug the ViroVac Surgical Smoke Evacuator before disassembling or reassembling Wait at least three 3 minutes to allow stored energy to dissipate after the power is disconnected before replacing any parts Do not touch any exposed wiring or conductive surfaces while ViroVac Surgical Smoke Evacuator is disassembled and ...

Page 39: ...g electrostatic sensitive components except when working on an energized ViroVac Surgical Smoke Evacuator Handle circuit boards by their nonconductive edges Use an antistatic container for transport of electrostatic sensitive components and circuit boards When disconnecting cables always hold the connector Pulling the cable may result in damage of the wires Tools Name Specifications Remarks Philip...

Page 40: ...rify that the dielectric withstand is 1 5 kV at 1 second www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com Leakage Current Test 1 Connect the ViroVac Surgical Smoke Evacuator with an electrical safety tester according to the tester s instructions 2 Turn on the ViroVac Surgical Smoke Evacuator 3 Verify that the device leakage current is...

Page 41: ...the body assembly Taking care not to damage the connected wire harnesses 4 Disconnect the PCB HARNESS 35 from the printed circuit board connector J3 Figure 7 2 5 Disconnect the ribbon cable tail of the KEYPAD VV from the printed circuit board connector J4 Figure 7 3 6 Remove the fascia assembly Figure 7 4 7 4 Figure 7 1 Figure 7 2 PCB HARNESS 35 J3 SCREW 6 32 5 16 PH FH SS QTY 6 Figure 7 3 KEYPAD ...

Page 42: ...com Keypad Disassembly continued 7 5 Figure 7 5 KEYPAD VV 1 Remove the fascia assembly by following the Fascia Disassembly instructions on page 7 4 2 Remove the KEYPAD VV by pulling it off of the face of the FASCIA VV Remove the ribbon cable through the opening Figure 7 5 NOTE If keypad is removed it cannot be reused FASCIA VV ...

Page 43: ... the fascia assembly by following the Fascia Disassembly instructions on page 7 4 2 Locate and remove the eight 8 screws which secure the HOUSING TOP VV to the housing bottom assembly using a phillips screwdriver Figure 7 6 3 Remove the HOUSING TOP VV from the housing bottom assembly Figure 7 7 HOUSING TOP VV SCREW 6 32 5 16 PH FH SS QTY 8 2 on top 3 on each side HOUSING BOTTOM VV Models VV120 and...

Page 44: ...he printed circuit board connector J1C AC NEUT Figure 7 8 7 Disconnect the green yellow wire from the printed circuit board connector J1A EARTH Figure 7 8 8 Disconnect the PCB HARNESS 33 the from the printed circuit board jack J6 Figure 7 9 9 Disconnect the RFID ANTENNA 24 from the printed circuit board jack J7 RFID ANT Figure 7 9 10 Locate the four 4 screws Figure 7 10 securing the printed circui...

Page 45: ...nnectors J1E FAN LN and J1D FAN NU Figure 7 13 5 Disconnect the green yellow wires from the ground lug using a 7 16 in nut driver Figure 7 13 6 Locate the four 4 nuts with washers that secure the filter basket to the housing bottom assembly and remove using a 5 16 in nut driver Figure 7 14 7 Remove the filter basket and the boot assembly by lifting both the boot and the filter basket out of the un...

Page 46: ...ires from the printed circuit board connectors J1E FAN LN and J1D FAN NU Figure 7 16 4 Disconnect the green yellow wires from the ground lug using a 7 16 in nut driver Figure 7 16 5 Locate the four 4 nuts and washers that secure the filter basket to the housing bottom assembly and remove using a 5 16 in nut driver Figure 7 17 6 Remove the filter basket and the boot assembly by lifting both the boo...

Page 47: ...ia that can be replaced Figure 7 19 8 Pull the motor out of the boot bottom to gain access to the wires that are connected to the motor 9 Remove the two 2 gray motor wires and green yellow wire from the motor for reuse Figure 7 20 10 Remove the motor MOTOR BOOT FRONT VV Motor MOTOR BOOT FRONT VV Media Media Motor Gray Motor Wires Green Yellow Wire Motor 120V Model VV120 Motor 220V Model VV220 MOTO...

Page 48: ...t and the back halves of the boot assembly together 6 Slide the filter basket into the the boot assembly 7 Place the filter basket and the boot assembly into the housing bottom assembly 8 Seat filter basket fully into the boot so that the filter basket holes line up with the PEMS on the housing bottom assembly Figure 7 24 Media INSL 3 VV Motor Gray Motor Wires Green Yellow Wire MOTOR BOOT FRONT VV...

Page 49: ...o 2 gray motor wires to the printed circuit board connectors J1E FAN LN and J1D FAN NU Figure 7 25 12 Reassemble the HOUSING TOP VV by following the Body Reassembly instructions on page 7 16 13 Reassemble the facia assembly by following the Fascia Reassembly instructions on page 7 18 MOTOR BOOT FRONT VV MOTOR BOOT BACK VV INSUL 3 VV INSUL 2 VV INSUL 1 VV NOTE When tightening screws do not exceed 1...

Page 50: ...embly with the four 4 nuts and washers using a 5 16 in nut driver Figure 7 28 4 Secure the green yellow wires to the ground lug using a 7 16 in nut driver Figure 7 29 5 Connect the two 2 gray motor wires to the printed circuit board connectors J1E FAN LN and J1D FAN NU Figure 7 29 NUT 6 32 W WASHER SS Qty 4 FILTER BASKET NOTE Make sure none of the wires get trapped under the boot assembly NOTE Whe...

Page 51: ...f the housing bottom assembly Figure 7 30 7 Reassemble the HOUSING TOP VV by following the Body Reassembly instructions on page 7 16 8 Reassemble the facia assembly by following the Fascia Reassembly instructions on page 7 18 ELBOW 13_16 BARB X 1_2 HOUSING BOTTOM VV SEALED BOOT Assembly Figure 7 30 Figure 7 31 NOTE During the installation of the elbow it is critical to not over tighten as it could...

Page 52: ...e 7 33 5 Connect the two 2 gray motor wires to the printed circuit board connectors J1E FAN LN and J1D FAN NU Figure 7 33 6 Connect the PCB HARNESS 33 to the printed circuit board jack J6 Figure 7 34 7 Connect the RFID ANTENNA 24 to the printed circuit board jack J7 Figure 7 34 8 Reassemble the HOUSING TOP VV by following the Body Reassembly instructions on page 7 16 9 Reassemble the fascia assemb...

Page 53: ... the eight 8 screws using a phillips screwdriver Figure 7 36 3 Reassemble the fascia assembly by following the Fascia Reassembly instructions on page 7 18 SCREW 6 32 5 16 PH FH SS QTY 8 Phillips Screwdriver NOTE When tightening screws do not exceed 10 inch pounds of torque to reduce the risk of damage to the HOUSING TOP VV HOUSING TOP VV SCREW 6 32 5 16 PH FH SS QTY 8 2 on top 3 on each side HOUSI...

Page 54: ... Remove protective backing on the new KEYPAD VV to be installed 3 Carefully place the new KEYPAD VV into postion and press firmly into place making sure that the keypad ribbon cable is completely positioned through the slot in the FASCIA VV 4 Reassemble the fascia assembly by following the Fascia Reassembly instructions on page 7 18 NOTE Be sure the surface of the fascia is clean before applying t...

Page 55: ...d jack J3 Figure 7 40 3 Secure the facia assembly to the body assembly with the six 6 screws using a phillips screwdriver Figure 7 41 4 Install the filter NOTE Be sure the ribbon cable tail has no twists from the plastic to the printed circuit board SCREW 6 32 5 16 PH FH SS QTY 6 Phillips Screwdriver NOTE When tightening screws do not exceed 10 inch pounds of torque to reduce the risk of damage to...

Page 56: ...Appendix A Parts List A 1 www buffalofilter com 1 716 835 7000 International 800 343 2324 United States bf techsupport filtrationgroup com Appendix A A Housing Bottom Parts List ...

Page 57: ...AG S5 25 1 26 M6 NUT WITH TOOTH WASHER 2 28 B 6 32 25 PH PN S ZP 4 31 BOLT 10 32 1 2 PPSS 4 32 SCREW 6 32 5 16 PH FH SS 16 40 HOUSING BOTTOM VV SEALED For DKVV220 only 1 40 HOUSING BOTTOM VV For VV120 and VV220 1 42 VV120 WINDOW LBL For VV120 only 1 42 VV220 WINDOW LBL For VV220 only 1 42 DKVV220 WINDOW LBL For DKVV220 only 1 43 LBL SERIAL VV 120 For VV120 only 1 43 LBL SERIAL VV 220 For VV220 and...

Page 58: ...national 800 343 2324 United States bf techsupport filtrationgroup com Appendix A Parts List A 3 CALLOUT DESCRIPTION REMARKS QTY 12 FASCIA VV 1 14 PCB HARNESS 35 1 30 SCREW 3 24 5 8 PH PN PL SS 2 KEYPAD VV 1 Fascia Assembly Parts List continued ...

Page 59: ...s bf techsupport filtrationgroup com Parts List continued Appendix A Parts List A 4 Body CALLOUT DESCRIPTION REMARKS QTY 29 NUT 6 32 W WASHER SS 4 HOUSING TOP VV 1 HOUSING BOTTOM VV For VV120 and VV220 1 HOUSING BOTTOM VV SEALED For DKVV220 only 1 32 SCREW 6 32 5 16 PH FH SS 16 ...

Page 60: ...trationgroup com Parts List continued Appendix A Parts List A 5 Motor Boot Assembly for Model DKVV220 CALLOUT DESCRIPTION REMARKS QTY NOTE There are no field servicable parts This is a sealed unit Filter basket FILTER BASKET VV is removable and will be retained when motor boot assembly is returned ...

Page 61: ...p com Parts List continued Appendix A Parts List A 6 Motor Boot Assembly for Models VV120 and VV220 CALLOUT DESCRIPTION REMARKS QTY 4 MOTOR BOOT BACK VV 1 6 MOTOR BOOT FRONT VV 1 7 220V MOTOR For VV220 only 1 7 120V MOTOR For VV120 only 1 16 INSUL 1 VV 1 17 INSUL 2 VV 1 18 INSUL 3 VV 5 20 FILTER BASKET VV 1 ...

Page 62: ...nce that may cause undesired operation This product operates at 13 56 MHz with an H field strength of 4 61 dβµA m at 10 m In Europe the ViroVac Surgical Smoke Evacuator is a short range device RF Class I per Commission Decision 2006 177 EC with no restrictions This product operates at 13 56 MHz with an H field strength of 4 61 dBuA m at 10 m Hereby Buffalo Filter declares that the ViroVac Surgical...

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