Lennox EMEA DUO CU Série Notice Technique D'installation page 34

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SHUTDOWN OF THE CONTROLLER
It is necessary to switch off the regulator for the fluid change: switch the installation to Manual (auto/manual switch) and
then press the reset button.
CONTROLLER WORKING
ACCESS THE MAIN MENU:
Click on "Menu": the code is 0000 (click on "enter" to validate a digit)
MODIFICATION OF THE COMPRESSOR FLUID
Find the Compressor menu, use the arrows ▲ and ▼ then confirm with the arrow ◄ (ENTER):
1. Menu
2. Compressors
3. Configuration
4. Scroll down the submenu to CAF04 mask concerning the fluid
5. Enter the setting with the arrow ◄ (ENTER)
6. Use the arrows ▲ and ▼ to find the desired fluid and confirm with the arrow ◄ (ENTER).
The cursor is repositioned at the top left
Fluid to select according to the fluid used:
Fluid used
Compressor fluid
7. Return to the main menu by pressing the ESC key (normally 2x)
R404A R407A R407F
R404A R407A R407F
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GB
CONTROLLER OFF
R134A R448A R449A
R134A R407F R407F
R450A R513A
R423A R413A
DUO CU