Mitsubishi PAR-21MAA Central Air Conditioning Wire Controller PAR21MAA

Description:

The Mitsubishi PAR-21MAA central air conditioning wired controller is a wall-mounted control interface used to operate and monitor Mitsubishi HVAC systems. It provides direct control of indoor units including temperature, mode, fan speed, and scheduling. Installed in commercial and industrial environments, this controller allows centralized user control and system configuration. Maintenance teams and HVAC technicians use this unit for replacement, retrofit, and system upgrades to maintain reliable control of Mitsubishi air conditioning systems.

Applications:

The Mitsubishi PAR-21MAA controller is used in commercial buildings, offices, hotels, retail spaces, and industrial facilities where Mitsubishi CITY MULTI or Mr. Slim systems are installed. It enables centralized control of air conditioning units, supports scheduling, and allows operators to manage multiple indoor units efficiently for climate control and energy optimization.

Technical Specifications:

• Manufacturer Part Number (MPN): PAR-21MAA
• Product Type: Wired Remote Controller / HVAC Control Panel
• Compatibility: Mitsubishi CITY MULTI and Mr. Slim systems
• Control Functions: Temperature, mode, fan speed, airflow direction
• Timer Functions: Weekly timer, simple timer, auto-off timer
• Display: LCD interface with system status and settings
• Communication: Wired connection to indoor unit/controller
• Mounting: Wall-mounted control panel
• Operating Temperature Range: 0°C to 40°C (installation guideline)
• Application: Centralized HVAC control and monitoring

Common Replacements:

• Mitsubishi PAR-33MAA wired controller
• Mitsubishi PAR-40MAA advanced controller
• Mitsubishi PAR-41MAA controller