Refrigerant Recovery Unit
2020-9000 Rev 0
17
IMPORTANT:
Make all hose connections as shown in Figure 8.
Ensure that all connections are correct and secure.
Step
Description (Liquid Push/Pull Recovery Mode)
1
Switch off power to the refrigerant equipment and connect power
to the ECO-2020.
2
Turn the control knob to the START position.
3
Open the vapor and liquid valves of the refrigerant equipment.
4
Open the vapor and liquid valves of the recovery tank.
5
Turn on the power switch.
6
Press the start button.
7
Slowly turn the control knob to the RECOVER position.
8
Turn the control knob to the PURGE position. (Refer to Purge Mode
in section 2.6 on page 16.)
9
Turn off the power switch after purging is complete.
10
Close the vapor and liquid valves of the refrigerant equipment.
11
Close the vapor and liquid valves of the recovery tank.
12
Turn the control knob to the OFF position.
13
Connect the hoses again according to the Recovery Mode section
2.5 on page 13 and recover the vapor from the refrigerant
equipment.
IMPORTANT:
A scale or liquid-sight glass can be used to determine
when all the liquid is recovered. The ECO-2020 will not pull a vacuum
using the liquid push-pull recovery operation. To finish the recovery
operation, you must perform vapor recovery operations as described
on page 13.
IMPORTANT:
When the scale reading remains unchanged or
changes very slowly, the liquid recovery portion of push/pull mode is
finished, and you are ready to perform the vapor recovery portion.
WARNING:
If the scale shows that the refrigerant tank reaches 80%
capacity, turn off power and close the valves of the tank. Replace
the full tank with an empty tank (under vacuum) and resume where
you left off.
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