Restore Factory Defaults; Static Pressure Function; Maintenance And Care; Outdoor Heat Exchanger - Gree GMV-H224WL/A-X Owner's Manual

DC Inverter Multi VRF System

8.4 Restore Factory Defaults

i.If you want to restore factory defaults, hold SW8 button on the main board of ODU for more
than 10s, then all LEDs will blink for 3s. Main board will cancel all setting, including the IP
addresses and project codes of IDU and ODU. The mark for finished debugging is "0".
ii.If you want to restore factory defaults and don't need project debugging, then hold SW3 and
SW8 on the main board of ODU for more than 10s, then all LEDs will blink for 5s. All settings are
cleared out, including the IP addresses and project codes of IDU and ODU. The mark for finished
debugging remains the same.
iii.When you only want to restore the default functions, hold SW5 and SW8 button for more
than 10s, then all LED will blink for 7s. All function settings are cleared out, but IDU and ODU's
project codes and the mark for finished debugging remain the same.

8.5 Static Pressure Function

If ODU's installation area is not convenient for releasing air and users do not have strict
requirements for ODU noise, this function can be set to satisfy the heat exchange of ODU.
Before power on, set codes of SA6 of main board. The relevant static pressure is:
DIP1
0
1
Note:
code of number side is "1"; default code of SA6 is "00".

9 Maintenance and Care

Regular check, maintenance and care can extend unit's service life. Please have specialized
person in charge of the management of air conditioners.

9.1 Outdoor Heat Exchanger

Outdoor heat exchanger shall be cleaned regularly, which is at least once every two months.
You can use a dust catcher with nylon brush to clean away the dust on the heat exchanger. If
compressed air source is available, it also can be used to clean the heat exchanger. Do not clean
it with water.

9.2 Drain Pipe

Please check regularly whether drain pipe is blocked or not. Make sure condensate can be
drained out smoothly.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
Code setting SA6
DIP2
0
0
Static pressure
37
（Pa）
0
20