9-2 Checking and Testing operations

To complete the installation, perform the following checks and tests to ensure that the air conditioner is operating

correctly.

1. Review all the following elements in the installation:

1. • Installation site strength

1. • Piping connection tightness not to leak any gas

1. • Connection wiring

1. • Heat-resistant insulation of the piping

1. • Drainage

1. • Earthing wire connection

1. • Setting number of the indoor unit installed (Outdoor unit SW)

1. • Setting SW02 for addressing mode (AUTO or MANUAL)

1. • Address number on each indoor unit (Manual addressing mode)

1. • Correct operation for pipe checking connection (follow the step below)

1. • If the auto addressing, refer to next page.

1.• If the manual addressing, please do cool mode try-run or heat mode try-run.(refer to below)

2.■ Settings of PCB Display of the Outdoor unit

2.

■ -K1

:pipe checking operation button

-K2

:Function button

 

 

2.

■ -K3

:Reset button

 

-K4

:View mode change button

 

 

 

 

 

 

 

 

 

 

 

 

Key

K2

 

K3

K4

 

 

 

 

K1

 

 

 

 

Push

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pipe Checking

Heat Mode Try

 

 

 

 

1

Operation

 

run

 

 

 

SW02

SW01

 

(Display:

)

(Display:

)

 

 

 

 

 

 

 

Refrigerant

 

 

 

Switch

K 1

2

-

 

 

 

 

 

 

Charging

 

 

 

DIS01

DIS02

 

 

 

(Display:

)

Reset

View mode

Indoor unit

 

 

 

 

 

 

 

 

 

 

Cool Mode Try

change

address

 

 

 

 

 

 

 

 

 

 

 

 

 

3

-

 

run

 

 

 

 

 

 

 

 

(Display:

)

 

 

 

 

K 2

K 3

K 4

4

-

Pump down

 

 

 

 

View data display

(Display:

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor PCB Display

K4 View mode Display changes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Push

Display Explanation

 

Push

Display Explanation

 

 

 

 

 

 

 

0

Present Compressor Frequency

 

 

8

Discharge temperature

 

 

 

 

 

 

 

1

Target Compressor Frequency

 

 

9

OLP temperature

 

 

 

 

 

 

 

2

Order Compressor Frequency

 

 

10

Condenser temperature

 

 

 

 

 

 

 

 

3

EEV0 current step

 

 

 

11

Outdoor temperature

 

 

 

 

 

 

 

 

4

EEV1 current step

 

 

 

12

First current

 

 

 

 

 

 

 

 

5

EEV2 current step

 

 

 

13

Target Discharge temperature

 

 

 

 

 

 

 

 

6

EEV3 current step

 

 

 

14

Total capacity of the indoor units

 

 

 

 

 

 

7

Fan RPM (H:high,L:low,Blank:off )

 

15

Safety control

 

 

 

 

 

 

 

 

• The EEV 2 and EEV 3 of MH050FXCA2A model is always displayed as blank.

Samsung Electronics

9-2

Page 71 Page 73
Page 72
Image 72
Samsung MH026FNCA service manual Checking and Testing operations, Reset button
Page 71 Page 73

MH026FNCA specifications

The Samsung MH026FNCA is an innovative solution designed to meet the diverse needs of residential and commercial spaces. As a part of Samsung's advanced lineup of air conditioning systems, this model exemplifies the brand's commitment to quality, efficiency, and cutting-edge technology. With an array of features, the MH026FNCA stands out as an ideal choice for users seeking reliable climate control in their environments.

One of the standout characteristics of the Samsung MH026FNCA is its energy efficiency. Equipped with a powerful inverter technology, it adjusts the compressor speed to maintain the desired temperature with minimal energy consumption. This not only helps in reducing electricity bills but also contributes to a more sustainable lifestyle, making it an eco-friendly choice for consumers.

The MH026FNCA also incorporates a multi-stage filtration system, which significantly improves indoor air quality. This system includes a washable pre-filter and a high-performance HEPA filter that captures dust, allergens, and other microscopic particles, ensuring that the air circulated in the room is fresh and clean. This feature is particularly beneficial for those who suffer from allergies or respiratory issues.

In terms of usability, the Samsung MH026FNCA is designed with convenience in mind. It comes with a user-friendly remote control that allows users to adjust settings effortlessly from a distance. Additionally, its smart technology enables compatibility with various smart home systems, offering the ability to control the unit via smartphone apps or voice commands for seamless integration into modern living spaces.

The robust build quality of the MH026FNCA enhances its reliability, ensuring long-lasting performance even in demanding conditions. With a sleek design and compact size, it can easily blend into different interior decors while providing quick and effective cooling or heating, depending on the season.

Furthermore, the MH026FNCA features advanced noise reduction technologies, making it one of the quietest models in its class. Users can enjoy a peaceful environment without the distraction of loud operational sounds, making it ideal for bedrooms, offices, and public spaces where tranquility is essential.

Overall, the Samsung MH026FNCA is a testament to innovation in air conditioning technology, combining energy efficiency, advanced filtration, smart features, and aesthetic appeal. For those in search of an effective climate control solution, this model sets a high standard that meets various consumer requirements without compromising on performance or comfort.
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