Heating+ Water Heating; Emergency Mode; Quick Water Heating; Holiday Mode - Gree GRS-CQ6.0Pd/Na-K Service Manual

AIR-TO-WATER HEAT PUMP
the heat pump gives priority to cooling. In that case, water heating can only realized
with e-heater of the water tank. Inversely, the heat pump gives priority to water heating
and switches to cooling after finishing water heating；

3.5 Heating+ Water Heating

When heating mode exists together with the water heating mode, the user can set the
priority of these two modes based on the needs. The default priority is heat pump. That
is under the default setting, if heating mode exists together with the water heating mode,
the heat pump gives priority to heating. In that case, water heating can only realized
with e-heater of the water tank. Inversely, the heat pump gives priority to water heating
and switches to heating after finishing water heating；

3.6 Emergency Mode

Emergency mode: this mode is only available for heating and water heating. When the
outdoor unit stops due to malfunction, it will enter the corresponding emergency mode;
as to heating mode, after entering the emergency mode, heating can only be realized
through e-heater of the indoor unit. When the setting outflow temperature or indoor
temperature is reached, the e-heater of indoor unit will stop running; as to water
heating mode, the e-heater of indoor unit stops while the e-heater of water tank runs.
When the setting temperature or water tank is reached, the e-heater will stop running；

3.7 Quick Water Heating

In quick water heating mode, the unit runs according to the water heating control of
heat pump and the e-heater of water tank runs at the same time；

3.8 Holiday Mode

This mode is only available for heating mode. This mode is set to keep indoor
temperature or outflow temperature in a certain range, so as to prevent water system of
the unit from freezing or protect certain indoor articles from freezing damage. (This
mode requires installing indoor temperature sensor). When the outdoor unit stops due
to malfunction, the two e-heaters of the unit will run.

3.9 Forced Operation Mode

This mode is only used for refrigerant recovery and debugging of the unit;

3.10 Silent Mode

Silent mode is available in cooling, heating and water heating mode. In silent mode, the
outdoor unit will reduce the running noise via automatic control.

3.11 Disinfection Mode

In this mode, the water heating system can be disinfected. When starting up the
disinfection function and setting corresponding time to meet the requirement of
disinfection mode, the function will start. After the setting temperature is reached, this
mode will terminate.

3.12 Weather-dependent Heating Mode

This mode is only available for space heating. In weather-dependent heating mode, the
indoor temperature is detected and controlled automatically.
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