YELLOW JACKET OMNI User Manual

Heat Pump Kit 5/16”
61040

Manual for Operation

OMNI™ Vacuum Gauge Operating Instructions:

1. Press the ON/OFF button to power on the gauge.

2. To manually power off the gauge, press and hold the ON/OFF button until
the screen displays the “YJ” logo.

3. To change a setting:

• Tap the corresponding button to highlight the current setting

• Continue to tap this button until the desired value is displayed

• Press and hold this button to confirm the new setting – the highlighting

will disappear when the setting has been confirmed

DISPLAY: Select from several notification options. To change the back­ground, press and hold for three seconds to inverse LCD mode.

ON/OFF: Power on and off, select from four different auto-off settings.

Target Vacuum

Level

*TARGET - Select from five

preset vacuum level targets.

*UNITS - Select from four
different vacuum units.

DISPLAY

ON/OFF

Auto-Off Timer

(in minutes)

Audio

Notification

Vacuum

Unit

Notification

Icon

TARGET

UNITS

Vacuum Level (displays bar

graph until deep vacuum reached)

Single Valve Manifold Connection Guide

Reading System Pressure

1. Ensure both the ball valve and manifold
valve are in the closed position

2. Connect the 5/16” ball valve to the
system

3. Open system valve

4. Open ball valve

5. Purge non-condensable gas from hose
fitting at manifold fitting

6. Read system pressure

Adding Refrigerant Charge

1. Open the manifold valve, but leave the
ball valve closed

2. Connect the 1/4” flare end of the long
hose to the refrigerant cylinder

3. Connect the 5/16” ball valve hose to
the system

4. Open the valve on the refrigerant tank

5. Purge non-condensable gas from 5/16”
fitting

6. Open system valve

7. Open the ball valve until desired charge
is achieved

8. Close tank refrigerant valve

9. Allow system to pull remaining liquid
out of hoses

10. Close ball valve and manifold valve,
disconnect from system and refrigerant

tank