4. Reversing valve control Heating · · · ·ON· Cooling · · · ·OFF· Dry · · · · · ·OFF· ·

NOTE1: The Reversing valve reverses for 5 seconds right before start-up of the compressor.

NOTE2: Refer to the Service Manual OB185 when MSH-07/09/12NV- E1 , MSH-07/09/12/18NV- are connected with MXZ-32NV- E1 as multi system units.

E2

, and MSH-18NV-

E3

(COOL / DRY)

(HEAT)

5 sec.

5 sec.

Compressor

ON

OFF

 

 

ON

Reversing valve

OFF

Outdoor fan

ON

OFF

ON OFF

ON OFF

ON OFF

8-2. COOL ( ) OPERATION

(1)Press OPERATE/STOP button.

OPERATION INDICATOR of the indoor unit turns on with a beep tone.

(2)Select COOL mode.

(3)Set the TEMPERATURES button.

(TOO WARM or TOO COOL button) The setting range is 16 ~ 31°C

Indoor fan continues to operate regardless of thermostat’s OFF-ON

Coil frost prevention is as same as COOL

mode of “I FEELCONTROL”

8-3. DRY ( ) OPERATION

(1) Press OPERATE/STOP button. OPERATION INDICATOR of the indoor unit turns on with a beep tone.

(2) Select DRY mode.

(3) The microprocessor reads the room tempera- ture and determines the set temperature. Set temperature is as shown on the right chart.

Thermostat (SET TEMP.)does not work.

The other operations are same as DRY mode of “I FEELCONTROL”.

(4) DRY operation will not function when the room temperature is 13°C or below.

(5)When DRY operation functions, the fan speed is lower than cool operation.

8-4. HEAT (

) OPERATION

(1)Press OPERATE/STOP button.

OPERATION INDICATOR on the indoor unit turns on with a beep tone.

(2)Select HEAT mode.

(3)Press TEMPERATURES button (TOO WARM or TOO COOL button) to select the desired temperature. The setting range is 16 ~ 31°C.

(4)Indoor fan speed control, high pressure protection, defrosting, heater control are the same as HEAT mode of “I FEEL CONTROL”.

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Mitsubishi Electronics MSH-24NV, MSH-07NV, MSH-12NV, MSH-09NV, MSH-18NV service manual Cool Operation, DRY Operation, Heat

MSH-07NV, MSH-09NV, MSH-24NV, MSH-12NV, MSH-18NV specifications

Mitsubishi Electronics has long been recognized for its innovative heating and cooling solutions, particularly in the HVAC industry. Among its notable offerings are the MSH-18NV, MSH-12NV, MSH-24NV, MSH-09NV, and MSH-07NV models, which showcase advanced features and technologies to enhance indoor climate comfort.

One of the standout characteristics of these models is their energy efficiency. Each unit is equipped with an inverter technology that optimizes power consumption by adjusting the compressor's speed according to the cooling or heating requirement. This not only leads to considerable energy savings but also reduces operational costs for users. The units have received high seasonal energy efficiency ratings, making them an environmentally friendly choice.

The MSH series incorporates advanced filtration systems designed to improve indoor air quality. These systems capture dust, pollen, and other allergens, ensuring that the air circulated in residential or commercial spaces remains clean and healthy. Some models feature a dual-layer filter that further enhances dust and odor removal, providing a more comfortable environment for occupants.

In terms of design, the MSH series is sleek and modern, allowing seamless integration into various interiors. The compact size of these units means they can fit into tighter spaces without compromising performance or aesthetics. Moreover, the whisper-quiet operation is another appealing feature, as it ensures minimal noise disruption during cooling or heating periods.

The control mechanisms of the MSH models are user-friendly and versatile. They come equipped with an intuitive remote control, allowing users to easily adjust temperature settings and modes from across the room. Additionally, some models offer smart connectivity features, enabling integration with smart home systems for added convenience and control via mobile devices.

Durability is another key aspect of Mitsubishi's MSH series. They are constructed with high-quality materials designed to withstand various environmental conditions, ensuring longevity and reliable performance. The outdoor units are particularly resilient, featuring weather-resistant components that allow them to operate effectively even in extreme temperatures.

In conclusion, Mitsubishi Electronics' MSH-18NV, MSH-12NV, MSH-24NV, MSH-09NV, and MSH-07NV models represent a blend of energy efficiency, advanced air filtration, user-friendly controls, and durable construction. These units reflect Mitsubishi's commitment to providing high-quality heating and cooling solutions that cater to a wide range of residential and commercial needs while ensuring comfort and convenience for users.