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NAVAC Master Series User Manual

NAVAC Master Series User Manual

Recovery unit for flammable refrigerants

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Recovery Unit for
Flammable Refrigerants
NRDDF
User Manual

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Summary of Contents for NAVAC Master Series

  • Page 1 Recovery Unit for Flammable Refrigerants NRDDF User Manual...
  • Page 2 The power must be cut off and no display in LCD before inspecting or repairing. If the original power supply cord is damaged, an OEM replacement may be ordered throughyour NAVAC distributor. Please take power supply and the capacity of your ammeter and electrical wire.
  • Page 3 3. The knob should be in the "Close" Position before operation. All the valves must be closed, the input and output fittings should be covered with protective caps when the unit is not in operation. The air/ moisture is harmful to the recovery result and will shorten the life span of the unit. 4.
  • Page 4 NRDDF Category III: R12, R134a, R401C, R500, R1234YF, R600a Category IV: R22, R401A, R401B, R402B, R407C, R407D, R408A, R409A, R411A, R411B, R412A, R502, R509, R290 Category V: R32, R402A, R404A, R407A, R407B, R410A, R507 38.5bar/3850kpa(558psi) 32~104°F 25 lbs NRDDF Rerfigerants R-22a R-134a R-410a...
  • Page 5 open open stops rotating. Digital Control Board...
  • Page 6 NRDDF 9. Observe the reading of the lowpressure gauge when it reaches to -20inHg, after 20 seconds, LP cutoff opens and the machine shuts off. Disconnect 7.Press the " START" button to start machine. 8.Turn the knob to recover,...
  • Page 7 NRDDF NRDDF leve Notice setting based on If fluid hammer happens in the recovery, please turn the knob to “Slow” position slowly, then the reading of low pressure gauge drops until fluid level hammer stops; but do not let reading pressure 4.Press the "START"...
  • Page 8 recovery control board NRDDF Refer to section 6 of OPERATION MANUAL on page 3. Could restart with pressure rise. 3.Press "START" button to start machine, then it starts liquid push/pull mode. 4.Turn the knob to "Recover".

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Master nrddf