BVV BVV2CY Manuale utente
BVV Models BVV2CY & BVV4CY
Refrigerant Recovery Pump
Operation Manual
ISA 12.12.01:2016 Ed.7
Nonincendive Electrical
Equipment For Use In Class I
and Ii, Division 2 and Class Iii,
Divisions 1 And 2 Hazardous
(Classified) Locations
Model BVV2CY
Model BVV4CY
Only qualified personnel trained in the handling of flammable and non-flammable
refrigerants should operate this piece of equipment. Working with refrigerants under
pressure presents numerous safety risks and hazards.
www.shopbvv.com
Thank you for selecting the BVV model BVV2CY or BVV4CY. This unit has been
designed to give the user fast, reliable and easy to use refrigerant recovery of
Class A1, A2, A2L and A3 refrigerants used in the oil extraction markets. The
unit's exclusive Oil-less Compressor utilizes a patent pending RKMAC GEN III
piston design for longer life and easier seal placement.
The unit utilizes an ignition proof variable speed Brushless DC motor design to
achieve the fastest vapor recovery without overheating the system.
Only qualified personnel trained in the handling of flammable and non-flammable
refrigerants should operate this piece of equipment. Working with refrigerants
under pressure presents numerous safety risks and hazards.
Read and understand this operatorʼs manual and all safety materials before using. Failure to
properly use this unit correctly can result in personal injury and/or equipment damage.
TABLE OF CONTENTS
BOX CONTENTS 2
FEATURES 2
SAFETY INSTRUCTIONS 3-4
REF. STORAGE CYLINDER SAFETY 5
SPECIFICATIONS 6
UNIT LAYOUT 7
UNIT OPERATION 8
TROUBLESHOOTING 9
ELECTRICAL & PLUMBING DIAGRAMS 10
PARTS LIST 10
BOX CONTENTS
BVV Refrigerant Recovery Pump
10’ Locking Power Cord 115V
Operation Manual
FEATURES
• Powerful Variable Speed BLDC (Brushless DC) Motor driven Oil-less Compressor
•RKMAC GEN III Oil-less Piston Design with long lasting piston seals
• Simple User Interface
•Large INLET and OUTLET ports
• Compact lightweight unit with robust open style metal cabinet
• High Air Flow Axial Fan to keep the unit running cool
• High Pressure 350 PSIG Cutout Switch
• Status Indicator light
• Ignition Proof design tested and approved to ISA 12.12.01:2016 Ed.7
- 2 -
GENERAL SAFETY INSTRUCTIONS
Please read, follow and understand the contents of this entire manual, with special
attention given to Danger, Warning and Caution statements.
FOR USE BY PROFESSIONALLY TRAINED AND CERTIFIED OPERATORS ONLY. MOST STATES,
COUNTRIES, ETC., MAY REQUIRE USER TO BE LICENSED. PLEASE CHECK WITH YOUR LOCAL
GOVERNMENT AGENCY.
DANGER:
DANGER:
DANGER:
WARNING:
WARNING:
WARNING:
WARNING:
WARNING:
CAUTION:
CAUTION:
CAUTION:
The recovery tank used with this contains liquid refrigerant. Overlling recovery
tank may cause a violent rupture resulting in severe injury or even death. As a
minimum, please use a scale to
continuously monitor recovery tank
weight.
EXPLOSION RISK! This equipment can be used in Class I and Ii, Division 2 and Class
Iii, Divisions 1 And 2 Hazardous (Classied) Locations. Technicians should be fully
trained on services in this hazardous location.
ELECTRICAL SHOCK HAZARD: Always disconnect power source when servicing this
equipment.
Do not use equipment in the vicinity of spilled or open containers of gasoline or
other ammable substances.
All hoses may contain liquid refrigerant under pressure. Contact with refrigerant
may cause frostbite or other related injuries. Wear proper personal protective
equipment such as safety goggles and gloves. When disconnecting any hose, please
use extreme caution.
TO REDUCE RISK OF FIRE: Avoid use of an extension cord because extension cord
may overheat. If you must use an extension cord, use 10 awg minimum.
Avoid breathing refrigerant vapors and lubricant vapor or mist. Breathing high
concentration levels may cause heart arrhythmia, loss of consciousness, or even
cause suocation. Exposure may irritate eyes, nose, throat and skin. Please read
manufacturer’s Material Safety Data Sheet for further safety information on
refrigerants and lubricants.
Make certain all safety devices are functioning properly before operating equipment.
To avoid cross contamination of refrigerant and potential leakage to the
atmosphere, proper hoses and ttings should be used and checked for damage.
To avoid overlling refrigerant tank, read and follow manufacturer’s recommended
lling instructions for refrigerant being recovered.
This equipment is intended for use of one refrigerant at a time. Mixing of
dierent refrigerants will cause your recovered supply of refrigerant to become
contaminated.
- 3 -
- 4 -
GENERAL SAFETY INSTRUCTIONS
• A flammable gas detector should be used to monitor the air in the Hazardous
Flammable Zone.
• A dry powder or CO2 fire extinguisher must be readily available in the Hazardous
Flammable Zone.
• An ignition proof ventilation fan should be used to provide a minimum of 6 air
changeovers per hour.
•No potential ignition sources are allowed within the Hazardous Flammable Zone. This
may require 3rd party certification.
•When connecting service equipment such as vacuum pumps, scales, and recovery units
to a power source, the connection must be made outside the Temporary Hazardous
Zone perimeter.
• A grounding strap or conduction metal braided hoses must be used between the
recovery unit’s metal INLET and OUTLET ports and recovery tank ports. The
grounding path is required to dissipate any static electricity build up that can occur
during the recovery process.
•If process pulls the system into a vacuum, monitoring of air content in the recovery
tank is required.
DANGER - EXPLOSION RISK: Do not mix flammable refrigerants
with air. All precautions must be taken to eliminate the mixing of air
with flammable refrigerants, including monitoring the recover
cylinder for air or oxygen content.
FLAMMABLE REFRIGERANT SAFETY INSTRUCTIONS
The following are additional safety recommendations when using this unit with
flammable refrigerants. These instructions do not replace existing occupational
hazardous procedures or other local, state and/or federal agency regulations.
Technicians working with flammable refrigerants should have detailed knowledge
and skills in handling flammable refrigerants, personal protective equipment,
refrigerant leak prevention, handling of cylinders, leak detection & monitoring, and
proper disposal of contaminated refrigerants. Additional knowledge of legislation,
regulations, and standards relating to flammable refrigerants may also be required.
Check your local occupational safety codes.
The area of service should be marked as Hazardous Flammable Zone. No smoking
signs or other hazardous zone signs should be posted in this area.
The following are recommended practices when processing flammable refrigerants:
- 5 -
REFRIGERANT STORAGE CYLINDER SAFETY
Check with your federal and/or state regulations on the proper vessel to store
refrigerant. In the USA DOT CFR 40 is required when filling and transporting refrigerant
storage vessels.
This unit is design to be used with 400 PSIG rated storage vessels. In the USA, this is
denoted by a DOT rating of 4ABA400 or 4BW400.
When recovering or filling a refrigerant storage vessel, never fill beyond 80% of its
water capacity (WC). Filling a tank at 70F to 90% and then putting it in a hot service van
will cause the liquid to expand until it becomes 100% full. The hydrostatic force of the
refrigerant could rupture the tank causing rapid venting or explosion. See illustration
in Diagram 1 below.
To calculate the maximum weight of a storage tank you will need to get two ratings
from the tank. One is WC (water capacity) and the other is TW (empty tank weight).
The maximum tank weight (MTW) is calculated as follows:
MTW=.8 x WC + TW
Turn on the scale and tare to Zero. Place storage tank on scale. Read the weight.
Compare that to the MTW calculated above. If the scale weight is below MTW, you still
have storage capacity you have in the tank. If the scale weight is above MTW, you have
a tank that is overfilled.
If an overfill condition does exist on a storage tank, place in a cool area and transfer
some of the refrigerant into another storage tank until the weight is below MTW.
Always use a calibrated scale to monitor the total weight of the tank when recovering
or filling refrigerant into a storage tank. Devices such as tank overfill floats should stop
the recovery unit, but do not stop the flow of refrigerant to the storage tank.
If the scale or an overfill device does detect tank full condition, the recovery unit should
be turned off and the storage tank valves closed.
80%
60 F˚
85%
90 F˚
90%
120 F˚
90%
60 F˚
95%
90 F˚
100%
Danger:
Tank Rupture
120 F˚
Filled to 80%
Capacity
Overfilled
to 90%
Capacity
Overfilled storage containers may
explode due to liquid refrigerant
expanding when heated.
Transportation of refrigerant
storage tanks more than 80%
full is a DOT violation.
- 6 -
SPECIFICATIONS
Model
Refrigerants
AHRI740 Cat. III
ASHRAE Class A1
AHRI740 Cat. II
ASHRAE Class A1
AHRI740 Cat. II
ASHRAE Class A2, A2L, A3
BVV2CY BVV4CY
120-169 PSIG @ 105F Liquid Saturation
ex) R134a
46-120 PSIG @ 105F Liquid Saturation
ex) R-124
Power Supply 100-240VAC 1ph 50-60Hz *
Motor Power 1.2 HP 1.5 HP
Variable Speed Brushless DC, 1200-3000 RPM
12.0 amps 15.0 amps
2 4
350 PSIG
32F to 105F
18.0” x 10.0” x 12.0”
25.0 lbs 35.0 lbs
Motor Type
Maximum Current
Number of Cylinders
High Pressure Cutout
Operating Temperature Range
Dimensions
Weight
* Plug and Play Universal Voltage
AHRI740 Cat. III
ASHRAE Class A2, A2L, A3
46-120 PSIG @ 105F Liquid Saturation
ex) R-600 Butane
120-169 PSIG @ 105F Liquid Saturation
ex) R-290 Propane
3/8 JIC 1/2 NPT
INLET and OUTLET port sizes
80dba 88 dba
Sound Level @ 1m
0 PSIG 28.8" hg.
100 PSIG 26.0" hg.
200 PSIG 23.0" hg.
300 PSIG 20.0" hg.
Differential Pressure Chart
Discharge Pressure Vacuum Level
- 7 -
UNIT LAYOUT
START/STOP button
4-CYL Comp. Module
1/2 NPT
Discharge
Port
1/2 NPT
Suction
Port
LED
IEC Socket
PCB Module
High Pressure
Switch
BVV4CY
BVV2CY
START/STOP button
2-CYL Comp. Module
LED
IEC Socket
High Pressure
Switch
3/8 JIC
Discharge
Port
3/8 JIC
Inlet Port
PCB Module
- 8 -
OPERATION
The following are step by step instructions on how to operate the recovery unit in
Direct Liquid or Vapor Recovery.
VAPOR RECOVERY
1. Place a Refrigerant Storage Tank on a scale to determine the current weight of the tank.
DANGER: Make sure the recovery tank has enough capacity for the recovery process.
See page 5 for tank refrigerant capacity calculations and additional tank safety
guidelines.
2. Connect unit into the oil extraction closed loop. Example diagram shown below.
WARNING: The unit must be protected against entry of residual oil and resins. Hardened
oil and resins will damage the piston seal and interfere with the compressor suction and
discharge valve seats. Warranty may be void if oil and resins are present.
3. Plug unit into either a 115V or 230V power source. The Indicator LED will flash GREEN.
4. Once it is determine the unit is to begin the recover process, push the START/STOP
button. The Indicator LED will turn solid green. The unit is now recovering gas from
the closed loop system.
Monitor the electronic scale for weight gained during recovery and ensure the tank is
not being overfilled. If approaching tank full conditions, push the START/STOP button
to turn off the unit. Replace tank with an empty one. Push the START/STOP button to
resume recovery operation.
5. Monitor a separate gauge on the oil separation chamber to see progress of recovery.
Once it is determined the process is complete, push the START/STOP button to turn off
the unit.
Electronic
Scale
Vapor
Valve
REC.TANK
REC. PUMP
CHAMBER
- 9 -
TROUBLESHOOTING CHARTS
PROBLEM POSSIBLE CAUSE SOLUTION
Unit will not turn ON
Defective Power Switch or PCB Replace defective electrical component
Recovery process is slow
Plugged Filter
Compressor seals are worn
Check INLET port filter, Clean or replace
Rebuild compressor, replace piston seal
Unit does not pull a vacuum Loose hose connections on Inlet Side
Compressor seals are worn
Tighten Hose connections
Rebuild compressor, replace piston seal
Check power cord to ensure properly
plugged into power source and IEC inlet
Unit not properly plugged in or no
power at power source
Check core depressor on connecting
hoses
Valve core on system being recovered
not fully depressed
RED LED CODE FAULT INDICATED POSSIBLE SOLUTION
3 Flashes
Excessive pressure in recovery tank. Replace recovery tank.
Pressure on the discharge of the unit exceeded 550 PSIG. Check
to make sure all valves in the discharge pathway are open.
Once corrected, the pressure switch will reset. If equipped with
manual high pressure switch, push reset button.
High Pressure Swich as been
activated
4 Flashes
Let cool down for 15 minutes and restart.
Motor Overload
5 Flashes Check to see if power source is In the range of the nameplate
rating.
Low Voltage Detected
6 Flashes Check to see if power source is In the range of the nameplate
rating.
High Voltage Detected
- 10 -
ELECTRICAL & PLUMBING SCHEMATICS
PARTS LIST
BVV
1251 Frontenac Road, Ste 150
Naperville, IL 60563
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