Haier R410A service manual Heating Mode Operation

Models: R410A

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Operation Details

Heating Mode Operation

The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.

Indoor unit

40°C

 

 

 

 

 

 

 

 

 

 

 

Heat-Exchanger

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

temperature

T ST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T LT

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T Off

 

 

 

 

 

 

 

 

 

 

 

 

T On

 

 

 

 

 

 

 

 

 

 

 

Intake Air Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3min

B

Low fan during 10sec

Setting Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3°C

 

 

 

 

 

 

 

 

 

 

 

(Thermal OFF)

 

 

 

 

 

 

 

 

 

 

 

Setting Temperature

 

 

 

 

 

 

 

 

 

 

 

(Thermal ON)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1min

 

 

 

 

Minimum

 

1min

 

 

 

 

 

 

 

 

3min

 

 

 

 

 

 

 

 

 

 

 

 

Thermal

 

 

 

 

ON

 

 

OFF

 

ON

 

Outdoor fan

 

 

 

 

ON

 

 

OFF

 

ON

 

Indoor fan

 

 

 

 

Setting

 

Setting

 

C

 

 

Setting

 

Off

Low

Low

fan

Low

fan

Low

Off

Off

Low

fan

 

 

 

 

 

spped

 

spped

 

 

 

 

spped

4way valve

 

 

 

 

 

 

ON

 

 

 

 

 

Compressor-off interval : - A While the indoor Heat-Exchanger temperature is higher than 40°C, fan operates at low speed, when it becomes lower than 40°C fan stops.

-B For eluminating latent heat-loss, fan operates at low speed for 10 seconds periodically.

-C To be operated "Low" except initial Hotstart operation

 

 

 

High Static

 

 

Low Static

 

Convertible

 

 

 

 

 

 

 

 

 

 

 

 

 

Chassis

 

BH

 

BG

 

BR

B1

B2

CE

CF

VE

VJ

Hotstart On

T On

19°C

 

19°C

 

19°C

19°C

19°C

19°C

19°C

26°C

26°C

Hotstart Off

T Off

22°C

 

22°C

 

22°C

22°C

22°C

22°C

22°C

27°C

27°C

Low temperature

T LT

25°C

 

25°C

 

25°C

25°C

25°C

25°C

25°C

28°C

28°C

Setting Temperature T ST

27°C

 

27°C

 

27°C

27°C

27°C

27°C

27°C

30°C

30°C

 

 

 

 

 

 

 

 

 

 

 

 

 

Copyright ©2008 LG Electronics. Inc. All right reserved.

- 66 -

Only for training and service purposes

LGE Internal Use Only

 

Page 66
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Haier R410A service manual Heating Mode Operation

R410A specifications

Haier R410A is a refrigerant that has gained significant attention in the HVAC industry due to its environmental benefits and efficient performance. As a hydrofluorocarbon (HFC) refrigerant, R410A is designed to replace the older R22 refrigerant, addressing environmental concerns and aligning with global initiatives to phase out ozone-depleting substances.

One of the primary features of Haier R410A is its low environmental impact. R410A has a significantly lower ozone depletion potential (ODP) compared to R22, making it a more environmentally friendly option. Additionally, it has a global warming potential (GWP) that, while still higher than natural refrigerants, is considered acceptable in terms of modern refrigerant usage and regulatory compliance.

The performance characteristics of R410A are another key point of interest. This refrigerant operates at higher pressure levels compared to R22, which allows for improved heat transfer efficiency. This results in enhanced cooling and heating capabilities, enabling HVAC systems designed for R410A to deliver superior performance in various climate conditions. The higher efficiency translates to lower energy consumption, meaning users can enjoy a comfortable indoor climate while keeping energy bills in check.

In terms of technology, Haier has integrated R410A into a range of air conditioning and refrigeration systems, showcasing the refrigerant’s compatibility with modern HVAC designs. Many of Haier’s products feature advanced inverter technology, which optimizes energy use by adjusting the compressor speed according to the cooling demand. This not only improves efficiency but also extends the lifespan of the equipment.

Moreover, Haier R410A systems are often equipped with smart technologies such as Wi-Fi connectivity and intelligent control features. These innovations allow users to monitor and control their HVAC systems remotely, promoting user convenience and energy savings.

Safety is another characteristic of R410A systems. Although R410A is non-toxic and has a very low flammability risk, it requires appropriate handling procedures due to its higher pressure. Haier adheres to rigorous safety standards in the design and manufacturing of its HVAC units, ensuring that end-users can operate their systems with peace of mind.

Overall, Haier R410A refrigerants represent a significant step forward in achieving efficient, environmentally responsible heating and cooling solutions. With their advanced technology, excellent performance, and commitment to safety, Haier's R410A systems have become a preferred choice among consumers looking for reliable HVAC solutions that also consider ecological impact.