To Next PageTo Next PageWhat to do if my Carrier Performance 40MBDQ48---3 showing overload protection?
If your Carrier Air Conditioner is showing an overload protection error, check the system load and reset the protection.
What to do if my Carrier Air Conditioner showing over voltage or over low voltage protection?
If your Carrier Air Conditioner shows an over voltage or over low voltage protection error, verify the voltage levels and circuit integrity.
What to do if my Carrier Performance 40MBDQ48---3 has high temperature protection of compressor top diagnosis?
If your Carrier Air Conditioner activates high temperature protection for the compressor (9K, 12K models only), allow the compressor to cool down.
What to do if my Carrier Air Conditioner's indoor room temperature sensor T1 is open or short circuit?
If your Carrier Air Conditioner indicates that the indoor room temperature sensor T1 is open circuit or short circuit, check the T1 temperature sensor connection and consider replacement.
What to do if my Carrier Air Conditioner's evaporator coil temperature sensor T2 is open or short circuit?
If your Carrier Air Conditioner indicates that the evaporator coil temperature sensor T2 is open circuit or short circuit, check the T2 temperature sensor connection and consider replacement.
What to do if my Carrier Performance 40MBDQ48---3's condenser coil temperature sensor T3 is open or short circuit?
If your Carrier Air Conditioner indicates that the condenser coil temperature sensor T3 is open circuit or short circuit, check the T3 temperature sensor connection and consider replacement.
What to do if my Carrier Air Conditioner's outdoor ambient temperature sensor T4 is open or short circuit?
If your Carrier Air Conditioner indicates that the outdoor ambient temperature sensor T4 is open circuit or short circuit, check the T4 temperature sensor connection and consider replacement.
What to do if my Carrier Performance 40MBDQ48---3's compressor discharge temperature sensor T5 is open or short circuit?
If your Carrier Air Conditioner indicates that the compressor discharge temperature sensor T5 is open circuit or short circuit, check the T5 temperature sensor connection and consider replacement.
General| EER | Up to 12.5 |
|---|---|
| Voltage | 208/230V |
| Phase | 1 |
| Refrigerant | R-410A |
| Compressor Type | Scroll |
| Cooling Capacity | 48000 BTU/h |
Critical warnings and precautions for safe installation, operation, and potential hazards.
Overview of Ducted Slim models, features, and included accessories for installation.
Specifies essential site conditions and criteria for safe and effective unit installation.
Detailed physical measurements for indoor unit sizes and components.
Defines required spacing for horizontal installation and maintenance access.
Procedures for unpacking, inspecting, and securely mounting the indoor unit.
Instructions for connecting supply and return air ducts to the indoor unit.
Guidelines for proper installation of the condensate piping system.
Steps for installing the condensate lift pump for horizontal installations.
Detailed instructions for making power and communication wiring connections.
Recommended wire sizes and connection methods for power and communication.
Guidelines for connecting refrigerant lines, including pipe sizing and torque.
Steps for installing and configuring wireless and wired remote controllers.
Procedures for initial system startup and verifying all functions operate correctly.
Configuration of fan speed based on static pressure for optimal airflow.
Charts detailing fan airflow rates across various static pressure ranges.
Final verification steps, routine care, and fan motor maintenance procedures.
Diagnostic codes, error indicators, and solutions for common indoor unit issues.
Overview of advanced configuration options accessible via service manuals.
