TIF 25150B User Manual
25150B
REFRIGERANT RECOVERY SYSTEM
USER’S OPERATING MANUAL
ADVANCED TEST PRODUCTS. INC • Miramar, FL
Telephone: (954) 499-5400 • Fax: (954) 499-5454 • Toll Free: (800) 327-5060
www.RobinairHVAC.com
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION 4
OPERATING GUIDELINES 5-6
CARE AND MAINTENANCE OF YOUR 25150B 6
ADDITIONAL RECOVERY TANK INFORMATION 7
PURGING NON-CONDENSABLE GASES 8
HELPFUL HINTS FOR REFRIGERANT RECOVERY 9-10
OPERATING YOUR 25150B 11
DIAGRAM FOR REFRIGERANT RECOVERY 11
SELF PURGING YOUR 25150B 12
SELF PURGE/AUTO EVACUATE 12
DIAGRAM FOR “PUSH/PULL” METHOD 13
SET-UP DIAGRAM FOR TANK PRE OR SUB COOLING PROCEDURE 13
OPTIONAL RECOVERY / TANK PRE OR SUB 14
COOLING FOR FIXED HOSE SET-UP
REFRIGERANT FLOW DIAGRAM 15
25150B PARTS DIAGRAM/PARTS AND ACCESSORIES LIST 16
25150B AND 25150B-KT WIRING DIAGRAMS 17
INSTALLATION OF OPTIONAL 80% TANK 18
CAPACITY SENSING COMPONENTS (KIT KT-5001)
25150B-KT MODEL 18
TROUBLESHOOTING YOUR 25150B 19
FULL ONE YEAR WARRANTY 20
ENVIRONMENTAL PROTECTION AGENCY (EPA) INSTRUCTIONS 21
EPA REGIONAL OFFICES 22
3
m IMPORTANT SAFETY INFORMATION m
SAFETY COMES FIRST! Read all safety, operating
guidelines and instructions before operating your
25150B.
1. CAUTION: ONLY AQUALIFIED TECHNICIAN
SHOULD OPERATE THIS RECOVERY UNIT.
The operator must be familiar with air conditioning
and refrigeration systems, refrigerants and the
dangers of pressurized components.
2. Always think before acting, familiarity breeds care-
lessness and carelessness can be harmful to your
health or, worse, result in death.
3.
m WARNING Always wear safety goggles and
protective gloves when working with refrigerants.
Contact with refrigerant may cause injury.
Disconnect hoses with extreme caution! All hoses
may contain liquid refrigerant under pressure.
4.
m PRESSURIZED TANK CONTAINS LIQUID
REFRIGERANT. NEVER OVERFILL STORAGE
TANKS. OVERFILLING OF THE TANK MAY
CAUSE A VIOLENT EXPLOSION AND POSSI-
BLE INJURY OR DEATH. DO NOT: Exceed the
working pressure of Recovery Tank cylinder.
5.
m Warning: DO NOT: Exceed the working pres-
sure of each cylinder. Recovery cylinders are
designed for different pressures. Your 25150B is
not supplied with a recovery tank, it requires the
use of tanks with a minimum of 350 psi working
pressure and ROBINAIR strongly recommends
the use of 400 psi tanks.
NOTE: The use of a 400 psi tank is mandatory
when recovering R-410A.
See ROBINAIR Recovery Tanks under Parts and
Accessories section on Page 16.
6.
m A scale must be used to avoid overfilling the
storage tank. DO NOT OVERFILL. Tank is full at
80% volume. Tank may explode if filled more than
80% due to liquid expansion.
7. Use ONLY authorized refillable refrigerant tanks.
NEVER use a standard disposable 30lb. tank (the
type of container in which virgin refrigerant is
sold) to recover refrigerant.
8. Read all safety information regarding the safe
handling of refrigerant and refrigerant oil, includ-
ing the Material Safety Data Sheet. MSDS
sheets can be obtained from your refrigerant
supplier.
9. If you expect temperatures in excess of 135° F,
contact the refrigerant supplier.
10. Be sure that any room where you are working is
thoroughly ventilated, especially if a leak is sus
pected. Refrigerant vapor is hazardous to your
health and can cause death.
11.
m Avoid breathingA/Crefrigerant and lubrica-
tion vapor or mist. Exposure may irritate eyes,
nose and throat. If accidental system discharge
occurs,ventilate workareabeforeresumingservice.
12.
iWARNING:TOREDUCE THE RISKOFFIRE:
• Never operate unit in an explosiveenvironment!
Do not use this equipment in the vicinity of
spilled or open containers of gasoline or any
other flammable liquid.
• When using an extension cord it should be a
3-wire, 14 AWG minimum and no longer than 25
feet.
• Use this equipment in locations with mechani-
cal ventilation that provides at least four air
changes per hour or locate the equipment at
least 18 inches above the floor.
• Never use oxygen when testing for leaks. Any
oil in contact with oxygen under pressure will
form an explosive mixture.
13.
c High voltage electricity inside panels.
Risk of electrical shock. Be sure to disconnect
theunit from thepowersourcebefore servicing it.
14. To reduce the risk of injury, care should be
taken when moving this equipment.
4
m Before operating the 25150B recovery unit, read
the following
m
1. 25150B IS APPROVED FOR USE WITH THE
FOLLOWING CATEGORY III, IV and V
REFRIGERANTS (Per ARI 740):
R-12, R-22, R-134A, R-401A, R-401B, R-401C,
R-402A,R-402-B,R-404A,R-406A, R-407A,
R-407-B, R-407C, R-407D, R-408A, R-409A,
R-410A,R-411A, R-411B, R-412A, R-500, R-502,
R-507 and R-509
2. A FILTER must always be used and should
replaced frequently. We recommend that a clean
filter be used for every service job.
Failure to use a filter will invalidate your warranty.
The use of a filter will greatly reduce the risk of
damage to your 25150B, by preventing foreign
material from entering the unit.
3. Each filter should be labeled and used exclusively
for one type of refrigerant only.
4. Always open service and cylinder valves slowly.
This allows rapid control of the flow of gases if
there is any danger. Once it is determined that
there is no danger, the valves can be opened
fully.
5. Always isolate large amounts of refrigerant and
close off valves after use, so if a leak should
develop anywhere in the system, the refrigerant
will not escape.
6. Keep all connections to the refrigeration system
thoroughly dry and clean. If moisture enters the
refrigeration system, it is likely to cause considerable damage.
7. Robinair strongly recommends the use of the
optional 80% Capacity Shutoff Kit (p/n KT-5001).
When installed and used with a recovery tank that
has an internal float switch, the 25150B will shut
down automatically when the tank is 80% full. Your
25150B is pre-wired from the factory for this kit.
Note:The 25150B is also available in model 25150BKT, with the 80% Shutoff Kit installed direct from the
factory.
8.
m CAUTION: Use only authorized refillable
refrigerant recovery tanks. Federal regulations
require refrigerant to be transported only in containers meeting DOT spec. 4BA or 4BW.
NEVER use a standarddisposable30lb.tank
(the typeofcontainer in which virgin refrigerant is
sold) to recover refrigerant.
9.
m A scale must be used to avoid overfilling the
storage tank. DO NOT OVERFILL. Tank is full at
80% volume. Tank may explode if filled more than
80%duetoliquid expansion. Below is a represen-
tative sample for R-22 refrigerant:
TANK SIZE MAX NET WEIGHT
30 lb. Tank 24 lbs.
50 lb. Tank 40 lbs.
Note: Robinair strongly recommends the use of the
ADS-100 Refrigerant Scale for monitoring tank
capacity.
10.Your 25150B has an Internal Pressure Shut Off
Switch. If the pressure inside the system should
go above 470 psi, the system will automatically
shut itself off. Theshutoff switch will automatically
reset itself again after the pressure drops below
300 psi.
m WARNING: The Internal Pressure Shut Off
Switch does not prevent tank overfill. If your system
shuts off on high pressure and is connected to your
tank, you may have overfilled your tank and created
a very dangerous situation! Take immediate measures to relieve any high pressure and/or tank overfill.
11.When recovering large amounts of liquid, use the
"Push/Pull method (see diagram on page 13).
m CAUTION: When using the "Push/Pull" method,
once the "Push/Pull" siphon is started, it can continue
and overfill the storage tank even if the tank is
equipped with a "shut off" float sensor. The siphon
can continue even after the machine is turned off. You
must manually close the valves on the tank and the
unit to prevent overfilling of the recovery tank.
12. Always operate the unit on a flat level surface
13. To achieve the deepest final vacuum, use the
tank cooling method to lower the head pressure
on the recovery tank. (See Pages 13 &14).
Repeat as necessary to achieve the desired vacuum level.
OPERATING GUIDELINES
5
NOTE: If there is no liquid in the recovery tank, then
the cooling method will not work. In this case, use an
empty tank that has been fully evacuated to achieve
the final vacuum level required.
14. If the tank pressure exceeds 300 psi, use the tank
cooling procedure to reduce the tank pressure.
(See Pages 13 & 14)
15.To maximize recovery rates, use the shortest
possible length of 3/8" or larger hose. Ahose no
longer than 3 feet is recommended.
16. For maximum throughput, always remove all
unnecessary hose core depressors and the
Schraeder valves from port connections.
17. Deformed rubber seals and core depressors in
hoses and faulty or unnecessary Schraeder
valves can restrict flow up to 90%.
OPERATING GUIDELINES - cont.
6
1. USE of a filter/dryer at the inlet is mandatory. Afilter/dryer must always be used between the recovery machine and the inlet hose.
2. Special care should be taken when recovering
from a "burned-out" system. Use two high acid
capacity filters, in series. (Alco type EK-162 or
Sporlan type C-162 are recommended )When
you have finished recovering from the system,
flush your 25150B with a small amount of clean
refrigerant and refrigerant oil to purge off any foreign substances left in the unit.
3. Always empty refrigerant from the 25150B into a
storage tank; see Self-Purge/Auto Evacuate pro-
cedure on Page 12. Liquid refrigerant left in the
25150B’s condenser may expand, causing
damage to components.
4.
c Warning! Whenever you perform any type of
maintenance work on your 25150B, insure that it
is disconnected from the power supply before
you begin.
5. If the unit is to be stored or not used for any
length of time, we recommend that it be completely evacuated of any residual refrigerant and
purged with dry nitrogen.
CARE AND MAINTENANCE OF YOUR 25150B
m Warning: Also read the information pertain-
ing to recovery tanks, previously listed under
Safety Information and Operating Guidelines.
1. CAUTION: NEVER use a standard disposable
30lb. tank (the type of container in which virgin
refrigerant is sold) to recover refrigerant. Use
ONLY authorized refillable refrigerant tanks.
Federal regulations require refrigerant to be trans
ported only in containers meeting DOT specs.
4BW or 4BA.
2.
m Warning: DO NOT: Exceed the working pres-
sure of each cylinder. Recovery cylinders are
designed for different pressures. Your 25150B
not supplied with a recovery tank, it requires the
use of tanks with a minimum of 350 psi working
pressure and ROBINAIR strongly recommends
the use of 400 psi tanks.
NOTE: The use of a 400 psi tank is mandatory
when recovering R-410A.
See ROBINAIR Recovery Tanks under Parts and
Accessories section on Page 16.
3. Tanks and filters should be designated for one
refrigerant only. Before using a tank previously
used for another refrigerant, completely empty the
tank, evacuate it and purge the tank using dry
nitrogen, and then re-evacuate it.
3. Always store refrigerant containers in a cool dry
place.
5. Do not mix refrigerants in a system, a tank or any
where else. Each type of refrigerant must have its
own tank, filter, etc.
6. Storage cylinders sometimes have valves that are
not properly seated when manufactured. Keeping
caps on these valves will guard against refrigerant
leakage.
7. Do not exceed 80% of tank capacity. ROBINAIR
strongly recommends the use of the ADS-100
Refrigerant Scale for monitoring tank capacity.
Safety codes recommend that closed tanks not be
filled over 80% of volume with liquid. The remaining 20% is called head pressure room.
8. If you expect temperatures in excess of 135° F,
contact the refrigerant supplier.
ADDITIONAL RECOVERY TANK INFORMATION
7
m NEVER TRANSPORT AN OVERFILLED CYLINDER m
Refrigerant expands when it gets warm and may cause a tank to explode if overfilled.
CYLINDER TEMPERA TURE 60°F 70°F 100°F 130°F 150°F
ST ARTING WITH CYLINDER
80% BY VOLUME
SPACE OCCUPIED BY LIQUID 80% 81% 83% 90% 94%
ST ARTING WITH CYLINDER
90% BY VOLUME
SPACE OCCUPIED BY LIQUID 90% 92% 96% 100%
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