REFCO OCTA-WIRELESS - Manual (Page 17)

English OCTA-WIRELESS User’s Guide
15
HVAC Service
Because of its high stability and accuracy, the OCTA-WIRELESS 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 OCTA-WIRELESS for refrigerant charging, perform 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. (ie. REFCO CL hoses)
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 to “freeze” the display
c. Replace the empty refrigerant cylinder with a full one. Attach and purge hoses.
d. Press to exit the Hold Mode.
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.