Lennox REAL VPC H4-3P Series

47
Auto Charge
CAUTION
Only use auto charge if all of the following conditions
are met or damage to the equipment may occur.
1. Refrigerant pipe length is unknown.
2. Only one indoor unit is connected.
3. Connection ratio of outdoor to indoor unit is between
80% - 100%.
4. Outdoor ambient temperature is between 41°F -
109°F (5°C - 43°C).
5. Indoor ambient temperature is between 70°F - 90°F
(21°C - 32°C).
Auto Charge Instructions
1. System must be successfully commissioned
prior to performing auto charge.
2. Turn o󰀨 the refrigerant supply.
3. Connect the R-410A refrigerant canister to the
auto charging port.
4. Place the indoor unit into the Cooling mode with
the fan set to High.
5. Enter auto charge mode by following the steps in
this ow chart.
6. Turn on the refrigerant supply. The system will
charge in 30 to 60 minutes.
7. When auto charge is complete, the LED will
display “END”.
8. Press the OK button for 5 seconds to exit auto
charge mode.
9. Turn o󰀨 refrigerant supply and disconnect from
auto charging port.
The system is in COOLING
mode and LED displays 0 1
or compressor frequency
Long press the MENU
button on the outdoor
unit for 5 seconds
LED displays n0 with 0 ashing.
Short press the
DOWN and UP
buttons to change
menu option and
choose 1.
Short
press
MENU
button to
return to
previous
level
LED displays n1 with 1 ashing.
Short press the
DOWN and UP
buttons to change
menu option and
choose 3.
LED displays n13 with 3 ashing.
Short press the OK
button to conrm and
automatically proceed
to third level menu.
Short press the OK
button to conrm and
automatically proceed
to second level menu.
LED displays n10 with 0 ashing.
LED displays 0 without ashing
Short press the
DOWN and UP
buttons to change
menu option and
choose 1.
LED displays 1 without ashing
Short press the OK
button to conrm and
enter auto charging
mode
LED displays r005
NOTE - The indoor unit must be in cooling mode for
auto charge to work. The indoor unit cannot be in
heating mode or fan-only mode.
Turn ON the indoor unit in the
COOLING mode