Refco REF-METER Bedienungsanleitung Seite 16

REF-METER User's Guide
HVAC Service
Because of its high stability and accuracy, the REF-METER is ideal for automotive,
commercial, and residential A/C refrigerant charging and recovery. Its high
resolution also allows accurate critical charging of small refrigeration systems such
as commercial freezers.
To use the REF-METER for refrigerant charging, perfo rm the following steps:
1. Press to set the desired display units.
2. If desired, set up the Tank Capacity Mode as described in the Tank Capacity
Mode section. This will allow you to know at any time the percent of refrigerant
remaining in the refrigerant cylinder.
3. Carefully set the refrigerant cylinder on the weighing platform.
4. Attach the cylinder to the charging manifold via a utility hose. Open the cylinder
valve and purge air from the hose.
5. Program the desired refrigerant charge weight as described in the Programming
section. Activate the program by pressing
6. Open the manifold valve(s).
7. The display will indicate the weight charged as negative, indicating refrigerant is
being removed from the charging cylinder.
8. If the refrigerant cylinder empties while charging:
a. Close all valves.
b. Press
c. Replace the empty refrigerant cylinder with a full one. Attach and purge
hoses.
d. Press
e. Open manifold valve(s). Charging will continue from where it left off.
9. When charging is complete, the alarm will sound. Close all valves and press any
key to cancel the alarm.
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to "freeze" the display (as described in the Hold Mode Section).
to exit the Hold Mode.
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