Specifications:

Red 24 Volt Horizontal

24 Volt Horizontal Yellow

24 Volt Black Horizontal

24 Volt Vertical Red

24V vertical red outer machine can lie flat

24V horizontal red (plus refrigerant)

24V horizontal yellow (add refrigerant)

24V vertical red (with refrigerant)

24V black horizontal (with refrigerant)

The 24-volt vertical external machine can be laid flat (with refrigerant added)

12 Volt Horizontal Red

12 Volt Horizontal Yellow

12 Volt Black Horizontal

12 Volt Vertical Red

12V vertical red outer case lying flat

12V horizontal red (plus refrigerant)

12V horizontal black (plus refrigerant)

12V (plus refrigerant) horizontal yellow

12V vertical red (with refrigerant)

12V vertical external machine can lie flat (add refrigerant)

One 24v separate internal hook-up

24v single external machine