On/Off Of Water Heating; Mode Setting Of Water Heating; Water Temperature Setting Of Water Heating - Gree GMV-S120WL/A-S Service Manual

―WATER/AC/FLOOR‖ button to switch between water heating interface and floor heating interface.
On the interface of floor heating, user can switch to the interface of water heating by pressing
―WATER/AC/FLOOR‖ button.
On the interface of water heating, user can switch to the interface of floor heating by pressing
―WATER/AC/FLOOR‖ button.
If wired controller displays water heating interface,
If wired controller displays floor heating interface,
Note:
1. If the project has water heating function only, wired controller only displays water heating
interface. It can't switch to floor heating interface.
2. If the project has floor heating function only, wired controller only displays floor heating
interface. It can't switch to water heating interface.
3. Only when hydro box is connected and water heating and floor heating functions are both
effective, will the wired controller switch interfaces and display as instructed above.

4.4.1 On/Off of Water Heating

On/Off of water heating: Press ―ON/OFF‖ button, and water heating will be on or off.
On the interface of floor heating: press ―WATER/AC/FLOOR‖ button once to activate the
interface of water heating. Then switch according to the following instructions:
If water heating is on: press ―ON/OFF‖ button to turn it off.
If water heating is off: press ―ON/OFF‖ button to turn it on.
On the interface of water heating: switch on or off according to the above instructions.
Wired controller displays as below when water heating is on or off:

4.4.3 Mode Setting of Water Heating

When water heating is on, pressing ―MODE‖ button will switch working mode circularly as
below:
Water heating mode: Hydro box starts water heating according to the currently set water
temperature or stops water heating.
Preset mode: Water heating can be preset. Hydro box will start up in advance according to
actual water temperature and turn compressor on or off according to the difference between actual
water temperature and set water temperature. Hydro box will stop working 1~4 hours after the
preset time. If preset mode is activated, it will work repeatedly every day.
Night mode: Water heating time will be fixed at the period from 00:00 to 06:00. During this
period, hydro box will work and turn compressor on or off according to the difference between
actual water temperature and set water temperature. Out of this period, hydro box will not work. If
night mode is activated, it will work repeatedly every day.

4.4.4 Water Temperature Setting of Water Heating

When water heating is on, pressing ―▲‖ or ―▼‖ button will increase or decrease set
GMV5 Home DC Inverter Multi VRF Units
97
icon is on.
icon is on.