Installation Guide
Tools Needed:
- Phillips screwdriver
- Wall anchors and screws
- Drill with appropriate bits
- Level
- Wire strippers
- Multimeter
Step-by-Step Installation
- Choose Installation Location: Select a location on an interior wall, approximately 1.5 meters above floor level, away from direct sunlight and heat sources.
- Prepare Mounting Area: Mark the mounting holes using the provided template. Ensure the location allows for proper signal transmission to the indoor unit.
- Connect Wiring: For wired controllers, connect the communication wires to the appropriate terminals on both the controller and indoor unit following the wiring diagram.
- Mount the Controller: Secure the controller base plate to the wall using the provided screws and wall anchors.
- Power Connection: Connect to the indoor unit's power supply. For wireless models, insert batteries ensuring correct polarity.
- Attach Controller Faceplate: Carefully snap the controller faceplate onto the mounted base until it clicks into place.
- Initial Setup: Power on the system and follow the initial setup procedure to pair the controller with your Mitsubishi air conditioning unit.
Specifications
| Model Series | PAR-40MAA / PAR-33MAA |
| Type | Wireless & Wired Wall Controllers |
| Display | LCD with Backlight |
| Control Range | Up to 30 meters (wireless) |
| Temperature Setting Range | 16°C - 30°C (60°F - 86°F) |
| Power Supply | 24V AC or 2xAA Batteries |
| Communication Protocol | M-NET / MELANS |
| Operating Temperature | 0°C - 50°C (32°F - 122°F) |
| Dimensions (HxWxD) | 86 x 86 x 15 mm |
| Weight | 120 g (without batteries) |
| Compatibility | Most Mitsubishi Electric AC Systems |
| Warranty Period | 1 Year |
Warranty Information
- Standard Warranty: 1 year parts and labor
- Extended Warranty: Available for registered products
- Battery Warranty: 6 months (if included)
For warranty service, contact Mitsubishi Electric Customer Service at 1-800-433-4822 or visit MitsubishiElectric.com
Key Features
Intelligent Temperature Control
Advanced sensors maintain consistent room temperature by automatically adjusting cooling/heating output based on room conditions and occupancy.
Wi-Fi Connectivity
Optional Wi-Fi module allows remote control via smartphone app, enabling temperature adjustments, scheduling, and energy monitoring from anywhere.
7-Day Programmable Timer
Set different temperature schedules for each day of the week to optimize comfort and energy efficiency based on your routine.
Energy Saving Mode
Automatically adjusts temperature settings to reduce energy consumption while maintaining comfort levels.
Quiet Operation
Specialized design minimizes operational noise, with silent button presses and discreet display illumination.
Multi-System Control
Single controller can manage multiple indoor units in different zones when used with compatible Mitsubishi systems.
Operating Modes Explained
Auto Mode
System automatically selects cooling or heating based on room temperature
Cool Mode
Standard air conditioning operation with adjustable temperature and fan speed
Heat Mode
Heating operation with defrost cycle for efficient winter performance
Dry Mode
Dehumidification function that removes excess moisture without overcooling
Fan Mode
Circulates air without heating or cooling, with multiple speed settings
Eco Mode
Energy-saving operation that optimizes performance for reduced power consumption
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Controller display blank | Power failure, dead batteries, wiring issue | Check power supply, replace batteries, verify wiring connections |
| No response to button presses | Lock mode activated, system error, communication failure | Check for lock icon, reset controller, verify indoor unit power |
| Temperature reading inaccurate | Sensor obstruction, location issues, calibration needed | Ensure clear area around controller, relocate if necessary, recalibrate |
| Wireless controller not connecting | Low batteries, distance too far, interference | Replace batteries, reduce distance, eliminate signal interference |
| Error code displayed | System malfunction, communication error | Note error code and refer to error code section below |
| Buttons beep but no operation | Timer active, child lock enabled, system in standby | Check timer settings, disable child lock, ensure system is ready |
Error Codes
- E0: Room temperature sensor error - Check sensor connection
- E1: Indoor unit PCB error - Contact service technician
- E5: Communication error - Check wiring between controller and indoor unit
- E6: Outdoor unit error - Check outdoor unit status
- E7: Drain pump error - Check drain system
- P1: Protection device activated - System will reset automatically
- P8: High temperature protection - Allow system to cool down
Manual Downloads
Current Model Manuals
PAR-40MAA
Wireless LCD Controller
PAR-33MAA
Wired LCD Controller
PAR-FA32MA
Wi-Fi Enabled Controller
PAR-21MAA
Basic Wired Controller
Popular Previous Models
PAR-31MAA
Universal Wireless Controller
PAR-20MAA
Standard Wired Controller
PAR-40SLB
Wireless Controller (Older)
PAR-21SLB
Basic Controller (Older)