Object

Object

 

Instance

Management item

Test procedure

Result

 

type

 

number *5)

 

 

 

Prohibition of local

BV

 

xxxx14

Inactive: Permit

- Change remote control hand operation (Mode) of

 

operation (Mode)

 

 

 

Active: Prohibit

a group from BMS.

 

 

 

 

 

 

Then, it checks by G-50A whether the state of an

 

 

 

 

 

 

air-conditioning system is equal to the state where it

 

 

 

 

 

 

was operated by BMS.

 

 

 

 

 

 

- Change remote control hand operation (Mode) of

 

 

 

 

 

 

a specific group by G-50A.

 

 

 

 

 

 

Then, the state of BACnet IF is read from BMS

 

 

 

 

 

 

and it checks in the same state as G-50A.

 

Prohibition of local

BV

 

xxxx15

Inactive: Permit

- Change remote control hand operation (filter

 

operation (filter reset)

 

 

 

Active: Prohibit

reset) of a specific group by G-50A.

 

 

 

 

 

 

Then, the state of BACnet IF is read from BMS

 

 

 

 

 

 

and it checks in the same state as G-50A.

 

Prohibition of local

BV

 

xxxx16

Inactive: Permit

- Change remote control hand operation (Set

 

operation (Set Temp.)

 

 

 

Active: Prohibit

Temp) of a group from BMS.

 

 

 

 

 

 

Then, it checks by G-50A whether the state of an

 

 

 

 

 

 

air-conditioning system is equal to the state where it

 

 

 

 

 

 

was operated by BMS.

 

 

 

 

 

 

- Change remote control hand operation (Set

 

 

 

 

 

 

Temp) of a specific group by G-50A.

 

 

 

 

 

 

Then, the state of BACnet IF is read from BMS

 

 

 

 

 

 

and it checks in the same state as G-50A.

 

Communication State

BI

 

xxxx20

Inactive: Normal

- Remove the transmission line of LAN connected

 

 

 

 

 

Active: Abnormal

to G-50A.

 

 

 

 

 

 

Then, a state is read from BMS and it checks in

 

 

 

 

 

 

Abnormalities (ACTIVE).

 

 

 

 

 

 

- Connect the transmission line of LAN to G-50A.

 

 

 

 

 

 

Then, the state of BACnet IF is read from BMS

 

 

 

 

 

 

and it checks in Normal (INACTIVE).

 

 

 

 

 

 

- Remove the transmission line of LAN connected

 

 

 

 

 

 

to G-50A.

 

 

 

 

 

 

Then, it checks whether Event Notification is

 

 

 

 

 

 

transmitted to BMS from PAC-YG31CDA.

 

 

 

 

 

 

 

 

System Forced Off

BV

 

xx9921

Inactive: Released

- Change the system forced Off of a group from

 

 

 

 

 

Active: Effective

BMS.

 

 

 

 

 

 

Then, it checks by G-50A whether the state of an

 

 

 

 

 

 

air-conditioning machine is equal to the state where

 

 

 

 

 

 

it was operated by BMS.

 

Air direction

MO

 

xxxx22

01: Horizontal

- Change the wind direction of a group from BMS.

 

(setup)

 

 

 

02: Down 60%

Then, it checks by G-50A whether the state of an

 

 

 

 

 

03: Down 80%

air-conditioning machine is equal to the state where

 

 

 

 

 

04: Down100%

it was operated by BMS.

 

 

 

 

 

05: Swing

 

 

Air direction

MI

 

xxxx23

01: Horizontal

- Change the wind direction of a group by G-50A.

 

(state)

 

 

 

02: Down 60%

Then, the state of BACnet IF is read from BMS

 

 

 

 

 

03: Down 80%

and it checks in the same state as G-50A.

 

 

 

 

 

04: Down100%

 

 

 

 

 

 

05: Swing

 

 

*1) It can use, if dry operation use is set up.

 

 

 

 

*2) It can use, if use of Mid1/Mid2 is set up.

 

 

 

 

*3) The group of LC serves as an item with an invalid attribute.

 

 

*4)As for the operation mode of the group of LC, an attribute serves as ventilation fixation.

 

 

*5) XXXX of an instance number consists of G50 number + group numbers.

 

 

*6) BMS:Building Management System

 

 

 

 

39

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Image 42
Mitsubishi Electronics PAC-YG31CDA operation manual Was operated by BMS
Page 41 Page 43

PAC-YG31CDA specifications

Mitsubishi Electronics has long been recognized for its innovation and commitment to providing high-quality climate control solutions. The PAC-YG31CDA is one of the standout products from the company, designed to enhance the performance and functionality of air conditioning systems.

The PAC-YG31CDA is primarily used as a communication interface for centralized control settings in multi-split air conditioning systems. It allows for integration with various types of building management systems, making it an essential component in modern HVAC (heating, ventilation, and air conditioning) setups. This unit supports simplified control and monitoring, aiming to optimize energy use while maintaining user comfort.

One of the main features of the PAC-YG31CDA is its compatibility with a range of Mitsubishi air conditioning units, ensuring versatile application across different settings. This allows for centralized management of multiple indoor units, which is particularly useful in commercial environments. Users can easily adjust settings, schedules, and modes from a single interface, streamlining operations and enhancing convenience.

Another significant aspect of the PAC-YG31CDA is its advanced communication capabilities. It utilizes the proprietary MELCO communication protocol, ensuring seamless communication between the indoor and outdoor units. This capability is crucial for real-time monitoring and adjustments, which in turn promotes energy efficiency. The device can also be integrated with remote control units, offering users flexibility in managing their climate control preferences.

In terms of performance, the PAC-YG31CDA features a robust design that ensures reliability and durability. Its compact size allows for easy installation and integration into existing systems, minimizing disruption during setup. Furthermore, the unit is energy-efficient, designed to reduce operational costs while enhancing user comfort.

Overall, the Mitsubishi Electronics PAC-YG31CDA exemplifies the company's commitment to technical excellence and user satisfaction. With its comprehensive features, advanced technologies, and user-friendly design, the PAC-YG31CDA is an invaluable addition to HVAC systems, particularly in settings that require effective climate control management. Whether for commercial or residential applications, this unit stands out as a reliable solution that delivers both performance and value.
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