CPS AR2700 Series User manual

OPERATION MANUAL
TO BE OPERATED
BY QUALIFIED
PERSONNEL ONLY
PRO-SET® AR2700 & AR2700M SERIES
REFRIGERANT RECOVERY / RECYCLING SYSTEM
This Equipment has been certified by Underwriters Laboratories Inc.
to meet EPA’s minimum requirements for Recovery equipment.

AR2700 & AR2700M SERIES
2
2
3
4
5-7
8-12
13-16
Specifications
Introduction
General Safety Instructions
Unit Preparation
Operation / Pump Down Operation
Maintenance
Parts List 17-18
AR2700 & AR2700M Specifications
Table Of Contents
Models AR2700
AR2700M
AR2700A
AR2700MA
AR2700E
AR2700ME
Compressor Type 2/3 HP oil less compressor
Dimensions 22" W x 24.5" D x 42" H
Weight 120 lbs (does not include tank weight)
Operating Range 0˚C (32˚ F) to 49˚C (120˚)
Power Source 115 VAC
60Hz 1Ph
220-240VAC
50/60Hz 1Ph
Power Consumption 850 W
Suction Pressure Gauge -30 inch Hg to 125 PSIG
Discharge Pressure Gauge 0 to 500 PSIG
Filtration 16 cubic inch drier w/ moisture indicator, .7 micron oil separator
Manual Control Valves Ball Type Valves to control HI, LO, Recover, and Vacuum
Charging Valve 12 VDC Solenoid Valve
Construction 1" Heavy duty tubular frame construction
10" pneumatic wheels, 4.5" swivel casters
Overload Protection 15A Thermal Breaker 10A Thermal Breaker
High Pressure Shut-Off 30 bar (450 psig)
Refrigerants* R134a, R12, R22, R502, R404a, R402a, R401a, R407c, R409a
* The AR2700, AR2700A, AR2700E does not contain a pump down valve and is meant for single
refrigerant operation. The AR2700M, AR2700MJ, AR2700ME contains a pump down valve for
mutiple refrigerant usage. Mixing of refrigerants will cause the user economic loss.

INTRODUCTION
Thank you for purchasing the CPS Pro-Set® AR2700 & AR2700M series refrigerant
recovery / recycling / recharge unit. CPS is dedicated to give you the most reliable
equipment to meet all your mobile refrigerant recovery/recycling requirements.
The following are features of the AR2700:
• Automatic programmable charging
• Lo side or Hi side or Hi / Lo side charging
• Non-restrictive heavy duty ball type control valves
• On board HI and LO gauges and valves for manifold function
• 16 cubic inch filter drier with moisture indicator
• .7 micron oil separator filter to collect and measure oil removed from
the mobile A/C system
• 1" Heavy duty tubular steel frame with powder coated steel cabinetry
• Large 10" pneumatic wheels with 4.5" swivel casters for easy maneuverability
• R134a couplers and refill adaptors
• Can be dedicated to one of several refrigerants. See specification list for
approved refrigerants
• Built in condenser for high ambient operation
• Built in evaporator to protect the compressor against flood-back
• AR2700M series includes a pump down valve for multiple refrigerant use
• Manual oil injection system (Removable)
• No maintenance, high speed 2 cylinder oil less compressor
To help you get a good start, please continue to carefully read the balance of this
manual. This manual contains important information on the proper procedures for
operating this equipment. Please pay close attention to the safety information,
Warnings, and Cautions provided throughout this manual. Always remember
“Safety First”.
3
This equipment has been approved for the recovery of Class III, IV and V refrigerants by UL per the ARI740

GENERAL SAFETY INSTRUCTIONS
4
Only qualified service personnel should operate this unit. Most states, countries,
etc… may require the user to be licensed. Please check with your local government
agency.
DANGER- The recovery tank used with this unit contains liquid refrigerant.
Overfilling of the recovery tank may cause a violent explosion resulting in severe injury
or even death. Please carefully read Tank Parameters Setting section on page 4
of this manual. Do not proceed to use the unit until the tank settings have been
properly set.
DANGER- Avoid breathing refrigerant vapors and lubricant vapor or mist. Breathing
high concentration levels may cause heart arrhythmia, loss of consciousness, or even
cause suffocation.
DANGER- ELECTRICAL SHOCK HAZARD Always disconnect power source when
servicing this equipment.
DANGER- EXPLOSION RISK. Do not recover flammable refrigerants.
CAUTION- 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.
CAUTION- Avoid breathing refrigerant vapors and/or lubricant mist. Exposure may
irritate eyes, nose, throat, and skin. Please read the manufacturers Material Safety Data
Sheet for further safety information on refrigerants and lubricants.
CAUTION- To reduce the risk of fire, avoid the use of extension cords thinner than
NO. 14 awg. (1,5mm²) to prevent the overheating of this cord please keep length to a
minimum.
CAUTION- Do not use this equipment in the vicinity of spilled or open containers of
gasoline or other flammable substances. Make certain that all safety devices are
functioning properly before operating the equipment.
CAUTION- This equipment should be used in locations with mechanical ventilation that
provides at least 4 air changes per hour or the equipment should be at least 18" above
the floor.
This equipment is intended for use of one refrigerant. Mixing of different refrigerants
will cause your recovered supply of refrigerant to become contaminated.
Note: Ecomonic loss will occur when disposing of mixed refrigerants.

UNIT PREPARATION
5
Unpack unit. Locate the scale platform contained in the accessoy box. Place scale
platform onto the craddle as shown in picture below. Plug cable into scale port.
Install user (purchased separately) supplied tank onto scale platform. CPS sells
CRX50T (50# DOT Tank) and CRX390T (92# DOT Tank) tanks that can be used with
this unit. Make sure the tank is centered on scale platform and not touching the
frame or any hoses.
Unit Consists Of:
• Pro-Set® model AR2700 R/R/R unit
• Power cord set
• 8' service hoses
• Set of R-134a service couplers
• R-134a tank refill adaptors (2)
• Vacuum pump
• Magnetic tank thermometer
• Tank purge valve w/ gauge
• Operation manual
• Manual oil injection system

UNIT PREPARATION
6
CPS Tank ETW MRW
CRX400T (50 lbs) 28 lbs, 10 oz 38 lbs, 0 oz
CRX390T (90 lbs) 50 lbs, 8 oz 68 lbs, 0 oz
CPS 40L (EU) 37 lbs, 15 oz 68 lbs, 5 oz
*ETW= Tare Weight (TW) on Tank Collar, **MRW=Water Capacity (WC) of tank x 0.80
The Empty Tank Weight (ETW) and Maximum Refrigerant Weight (MRW) of the user
provided recovery tank needs to be inputted into the AR2700 electronic database. The
following are the steps required to set the ETW and MRW into the AR2700 memory.
DANGER!!!! Failure to set the Tank Parameters correctly can lead to overfilling of
the on board recovery cylinder. SEE GENERAL SAFETY INSTRUCTIONS for results of
overfilled tank.
1. Turn the unit on while pressing the GO/HOLD key unit until the LCD displays the
letter “U” on the upper left hand corner.
2. Press the “LB/KG” key to select between IMPERIAL and METRIC units.
3. Press the GO/HOLD key.
4. The display shows the letter “E” on the upper left hand corner for
a couple of seconds.
5. The display shows the default (ETW) for a 50 pound tank
in the units selected. (SEE CHART BELOW)
6. The user can then use the UP ARROW or DOWN ARROW keys to
adjust the (ETW) of the tank being used.
7. The user then pushes the GO/HOLD key again.
8. The display shows the default Maximum Refrigerant Weight for a 50 pound
tank in the units selected above.
9. The user pushes the UP ARROW or DOWN ARROW keys to adjust the (MRW).
10. The user pushes the GO/HOLD key again.
11. The display shows “DONE”.
12. The user pushes the GO/HOLD key again to go to the normal display
or turns the machine OFF.
The following table are ETW and MRW settings for tanks sold by CPS. Always refer to
the tank manufacturers information stamped into the collar of the tank.
Setting The Tank Parameters

UNIT PREPARATION
7
Installing Filter Bracket, Filter Drier Associated Hoses
Check vacuum pump oil level. Add oil if necessary.
Slide vacuum pump out on its tray for easier access.
Check tool drawer for accessories such as tank refill
adaptors and low side charging adatpor.
Proceed to Tank Refill Function on page 10. It will be
necessary to fill the refrigerant storage tank before
charging operation can take place.
Secure filter bracket to tank collar
with the use of the provided nylon ties
Install Universal Filter / Tank bracket onto top of
tank. Use the provided wire ties to hold the Universal
Filter / Tank bracket to the collar of the tank. Install
filter drier onto Universal Filter / Tank bracket. Use
touch fasteners straps to secure the filter drier to
the Universal Filter / Tank bracket.
The unit has three hoses that need to be installed:
Blue Hose with Ball Valve, Red Hose with Ball valve,
and short red hose. Connect both the Blue and Red
hoses with Ball Valves to the back of the AR2700 as
shown in the picture. Connect the other end of the
Blue Hose to the Tank Vapor Port. Connect the other
end of the Red Hose with ball valve to the Filter Drier
outlet port. Install the Short Red hose from the Tank
Liquid Port to the Filter Drier Inlet port as shown in
the picture. Use a 9/16" wrench to tighten this
fittings. Open all Tank and Hose valves.
Check for leaks.
Unit Guide:
1. Blue hose with BV
2. Red hose with BV
3. Tank vapor valve
4. Filter outlet
5. Tank liquid valve
6. Short red hose
7. Filter inlet
1
2
4
3
5
6
7

OPERATION
8
Manifold Function:
1. Connect HI and LO side service hoses to A/C system. Open service hose valves.
Keep both HI and LO manifold valves in the closed (I) position.
2. Start A/C system. Gauges will show system pressures of the A/C.
Recover Function:
1. Connect HI and LO Side service hoses to A/C system.
Open the service
hose valves.
2. Push the TARE key on Scale keypad unit until zero
reading is shown.
3. Open (O) both the HI and LO manifold valves.
4. Turn COMPRESSOR switch to ON
5. Turn the RECOVER VALVE to open (O) position.
6. Monitor the gauges for A/C system pressure.
7. Once below -5" hg. vacuum, Close (I) the RECOVER, HI and LO manifold valves.
8. Turn the COMPRESSOR switch to OFF. Wait 5 minutes. If pressure rises above
0 PSIG, repeat Step 4-8.
9. Record weight on LCD. Push the TARE key to return scale to the current
refrigerant weight.
10. Slowly open oil drain valve until oil/refrigerant mixture is released into the oil drain
bottle. If no oil is draining, close oil drain valve. Recovery Complete.
Vacuum Function: Before running the vacuum pump, the A/C system must have a
system pressure of 2 PSIG or lower. If pressure exists, go to Recover Function first.
1. Connect HI and LO side service hoses to A/C ports. Open the service hose valves.
2. Open (O) both the HI and LO manifold valves.
3. Turn the VACUUM PUMP switch to ON.
4. Open (O) the VACUUM valve.
5. Run vacuum pump until desired vacuum level is achieved.
6. Close (I) the VACUUM, HI and LO manifold valves.
7. Turn the VACUUM PUMP switch to OFF. Vacuum Complete.
Oil Injection Function: Oil Injection can be performed once vacuum is complete.
Make sure there is a minimum of 6 ounces in the Oil Injection Bottle to ensure no air
gets back into the A/C system.
Turn main power switch ON. The power switch is located on back left hand corner of
unit. The AR2700 LCD will show the current refrigerant amount in storage tank. Open
both liquid and vapor tank and hose valves.
Oil Drain Port

OPERATION
9
1. Open the manifold valve (HI an/or LO) to choose the charge path into the car A/C
system.
2. Open the oil injection valve. Note: the oil level in the oil
injection bottle.
3. Once the required amount of oil has been injected, close
injection valve.
4. Proceed immediately to Charge Function.
Charge Function: Before running the charge function, the
A/C system should be in a deep vacuum.
1. Connect HI and LO side service hoses to A/C system.
Open the service hose valves.
2. Open the manifold valve (HI an/or LO) to choose the charge path into the car A/C
system.
3. Push the SET/RESET key on scale keypad until the LCD displays “READY”
and charge amount.
4. Push LB/KG Key on scale keypad to select LBS or KGS units of measure.
5. Use the UP or DOWN arrow keys to set the charge weight. Note: If the unit
alarms, the remaining refrigerant capacity has been reached.
6. Push the GO/HOLD key. The unit will begin to automatically charge the
A/C system.
7. The LCD will show refrigerant being dispensed.
8. Once amount shown on LCD meets the programmed amount, the charging will
automatically stop and the unit will beep. Go to Step 9.
If the programmed charge weight is not reached (The unit will alarm if there is no
refrigerant flow for more than 3 minutes) on LCD follow steps A-D:
A. Close (I) the HI manifold valve.
B. Start A/C System.
C. Open (O) LO manifold valve.
D. Once programmed charge amount is reached, the charging will automatically
stop and the unit will beep.
The following is hose purge sequence to ensure no residual liquid
refrigerant is left in the service hoses:
9. Remove the HI side service hose from the A/C system.
10. Start A/C System.
11. Open (O) both LO and HI manifold valves. Once LO and HI manifold gauges are
reading the same pressure, hose purge is complete.
12. Disconnect LO side service hose from A/C System.
Oil Injection Port

Tank Refill Function:
1. Turn main power switch ON. The power switch is located on back left hand
corner of unit.
2. Connect HI side service hoses to refrigerant supply tank.
Keep supply tank upright.
3. Open the HI side service hose valve. Open supply tank valve.
4. Push the GO/HOLD key on scale keypad. LCD will show available refrigerant
space in the tank. Open HI side manifold valve
5. Turn the COMPRESSOR switch to ON. Open (O) the RECOVER valve.
6. Turn supply tank upside down after 2 minutes of refilling.
7. The LCD will begin to count down. If the LCD countdown reaches zero, the unit
will alarm with a (RF done) message on the LCD. The compressor will be shut off
and the refill function is complete.
8. Close valve on supply tank. Close (I) the RECOVER and HI manifold valves.
9. Turn the COMPRESSOR switch to OFF.
10. Push the GO/HOLD key to return scale function to normal operation.
If the LCD countdown stops in Step 5, the supply tank is empty. Replace supply
tank and continue from Step 5 or go to Step 7 to shutdown the refill function.
CHARGE CONT. / TANK REFILL OPERATION
10