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HVAC/R Directions
Check valve
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Flange
All refrigerant hose assembly
with anti-blowback valve
Calibrated
plunger
Dialer
1. To charge the hose assembly and remove the air, first
connect the applicator to the hose assembly. When
charging the first time, rotate applicator dial 1/2 turn
counter clockwise. While depressing the center pin in
the anti-blowback valve, depress the calibrated plunger
until a small amount of dye exits the hose.
2. Attach hose assembly to the low side fitting of the
A/C system.
3. Pre-set the dialer to the amount of dye to be injected into
the system (see chart).
4. With the A/C system running, hold the flange between your
index and middle fingers and press the plunger with your
thumb until the plunger is stopped by the flange.
5. Continue running the system until the dye has mixed
thoroughly.
6. Use the UV light to locate leaks.
Application
Small appliance and
auto A/C
A/C or refrigerant
systems
Larger systems Above 25 lbs.
System size in
lbs. of refrigerant Dye Amount
Up to 4.9 (2.22 kgs.) .25 oz (7.5 ml)
Up to 25 lbs.
(11.34 kgs)
(11.34 kgs)
0.5 oz (15 ml)
0.5 oz (15 ml)
per gal. of oil
May cause irritation to eyes and skin.
IF ON SKIN: Wash with plenty of soap and water.
IF SWALLOWED: rinse mouth. Do not induce vomiting.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do. Continue
rinsing. Get medical advice/attention if you feel unwell.
Protected by U.S. Patent Nos: 6,293,319 and 6,186,197
Syringe not rated for pressures higher than 80 psi
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
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