Operation

Operation

Functionofcontrol

1. MAIN UNIT FUNCTION

• DISPLAY

Operation Indicator

On while in appliance operation, off while in appliance pause

Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on)

Sleep Timer Indicator

• On while in sleep timer mode, off when sleep timer cancel or appliance operation pause

Timer Indicator

• On while in timer mode (on/off), off when timer mode is completed or canceled

Defrost Indicator

Off except when hot start during heating mode operation or while in defrost control

Cooling Mode Operation

When the intake air temperature reaches 0.5°C(0.9°F) below the setting temp, the compressor and the outdoor fan stop.

When it reaches 0.5°C(0.9°F) above the setting temp, they start to operate again.

Compressor ON Temp

Setting Temp+0.5°C(0.9°F)

Compressor OFF Temp

Setting Temp-0.5°C(0.9°F)

While in compressor running, operating with the airflow speed set by the remote control. While compressor is off fan operates at low speed regardless of the setting.

Soft Dry Operation Mode

When the dehumidification operation input by the remote control is received, the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature.

26°C(78.8°F)

Intake Air Temp

25°C(77°F)

24°C(75.2°F)

Intake Intake Air Temp<26°C(78.8°F)

Intake Air Temp-1°C(30.2°F)

18°C(64.4°F)

Intake Intake Air Temp<24°C(75.2°F)

Intake Air Temp-0.5°C(31.1°F)

Intake Air Temp<18°C(64.4°F)

18°C(64.4°F)

While compressor off, the indoor fan repeats low airflow speed and stop.

While the intake air temp is between compressor on temp. and compressor off temp., 10-min dehumidification operation and 4-min compressor off repeat.

Compressor ON Temp. Setting Temp+0.5°C(0.9°F) Compressor OFF Temp. Setting Temp-0.5°C(0.9°F)

In 10-min dehumidification operation, the indoor fan operates with the low airflow speed.

Heating Mode Operation

When the intake air temp reaches +3°(37.4°F)… above the setting temp, the compressor is turned off. When below the setting temp, the compressor is turned on.

Compressor ON Temp. Setting Temp. Compressor OFF Temp. Setting Temp.+3°C(37.4°F)

While compressor on, the indoor fan is off when the indoor pipe temp. is below 20°C(68°F), when above 27°C(80.6°F) , it operates with the low or setting speed. When the indoor pipe temp is between 20°C(68°F) and

Service Manual 35

Page 35
Image 35
Heat Controller DMH24DB-1 Function of control, Cooling Mode Operation, Soft Dry Operation Mode, Heating Mode Operation

DMC24DB-1, DMH24DB-1 specifications

The Heat Controller DMH24DB-1 and DMC24DB-1 units stand out in the realm of climate control solutions, combining advanced technology with user-friendly features to enhance indoor comfort. These air conditioning systems are designed to provide efficient cooling and heating for both residential and commercial spaces.

One of the main features of the DMH24DB-1 and DMC24DB-1 is their inverter technology. This cutting-edge technology allows the units to adjust the compressor speed according to the cooling demands of the space, leading to significant energy savings. By operating at variable speeds instead of a fixed setting, the inverter provides a more consistent temperature, reduces wear and tear on components, and minimizes energy consumption, which can translate to lower electricity bills.

Both models offer a sleek and modern design, making them not only functional but also aesthetically pleasing. The indoor units are designed for easy placement in various environments and can blend seamlessly with any decor. In addition, they are relatively quiet during operation, with low noise levels that enhance indoor comfort without disturbing daily activities.

Another notable feature is the integrated smart control system that allows users to operate the units via a smartphone or tablet. This capability offers the convenience of adjusting settings from anywhere, ensuring that your space is always at the desired temperature when you arrive home or the office. The app can provide insights into energy consumption, allowing users to make informed decisions about their heating and cooling usage.

The DMH24DB-1 and DMC24DB-1 models also boast efficient filtration systems that help improve indoor air quality. The filters are designed to capture dust, pollen, and other allergens, contributing to a healthier living or working environment. This is particularly important for individuals with allergies or respiratory issues.

With a variety of cooling and heating modes, these units can cater to different user preferences and seasonal demands. Features like turbo mode are designed to quickly bring a space to the desired temperature, while the eco-friendly refrigerant helps reduce environmental impact.

In summary, the Heat Controller DMH24DB-1 and DMC24DB-1 units are high-performance air conditioning systems equipped with advanced technologies and practical features, making them an excellent choice for anyone seeking efficient and reliable climate control solutions. Their energy efficiency, enhanced air quality, and smart technology integration position them as leaders in the market.