Table of Contents
Advertisement
For 18,000 - 60,000 BTU Systems
NOTE
Read the entire instruction manual before starting the
installation. Images are for illustration purposes only. Actual
models may differ slightly.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Installation Manual
Inverter Heat Pump
Units Covered In This Manual
SYSTEM
VOLTAGE/
BTUH
TONS
1.5
18,000
208/230-1
2.0
24,000
208/230-1
2.5
30,000
208/230-1
3.0
36,000
208/230-1
3.0
36,000
208/230-1
3.5
42,000
208/230-1
4.0
48,000
208/230-1
4.0
48,000
208/230-1
5.0
60,000
208/230-1
OUTDOOR MODEL
PHASE
MO1HE-H18B-2A
MO1HE-H24B-2A
MO1HE-H30B-2A
MO1HE-H36B-2A
MO1SE-H36B-2A
MO1HE-H42B-2A
MO1HE-H48B-2A
MO1SE-H48B-2A
MO1HE-H60B-2A
Advertisement
Table of Contents
Related Manuals for Midea Evox MO1SE-H36B-2A
Summarization of Contents
Safety Considerations
General Safety Precautions
Covers warnings, cautions, and important notes for safe operation and handling.
Electrical Safety Guidelines
Critical warnings and precautions for electrical connections and shock hazards.
Explosion Hazard Warning
Highlights hazards related to potential explosions due to gas mixtures.
California Proposition 65 Compliance
Warning regarding chemicals known to cause cancer or reproductive harm.
Appliance Use by At-Risk Individuals
Guidance on appliance usage by persons with reduced capabilities or supervision.
Equipment Damage Hazards
Buried Pipe Precautions
Specific cautions regarding the depth and placement of buried refrigerant pipes.
General Product Installation Warnings
Covers installer qualifications, parts usage, drainage, and gas leak risks.
Fuse Specification Guidance
Information on fuse types and specifications for the unit's circuit board.
Cleaning and Maintenance Safety
Precautions to follow when cleaning the air conditioner unit.
Flammable Refrigerant Handling
Safety guidelines for handling systems that use flammable refrigerants.
Flammable Refrigerant Safety Procedures
Worker Qualification Requirements
Specifies the necessary qualifications for personnel handling refrigerants.
Pre-Work Area Safety Checks
Procedures for checking the work area for flammable atmospheres before starting.
Fire Extinguisher Availability
Requirement for having appropriate fire extinguishing equipment on hand.
Ignition Source Control Measures
Guidelines for eliminating or controlling potential ignition sources.
Ventilation Requirements
Ensuring adequate ventilation in work areas for refrigerant safety.
Refrigeration Equipment Inspection
Checks to perform on refrigeration equipment before service or repair.
Flammable Refrigerant Installation Space
Determining installation space and ventilation based on refrigerant charge.
Controlled Work Procedures
Standardized procedures for tasks affecting safety and maintenance.
General Work Area Instructions
Instructions for personnel working in the vicinity of refrigerant operations.
Refrigerant Leak Detection Methods
Techniques and equipment for detecting refrigerant leaks.
System Servicing and Safety
Electrical Device Checks and Safety
Procedures for checking electrical components and ensuring safety during servicing.
Cabling Integrity Verification
Inspection of wiring for wear, corrosion, and other adverse environmental effects.
Flammable Refrigerant Detection
Methods for detecting refrigerant leaks without using open flames.
Refrigerant Removal and Evacuation
Procedures for safely removing and evacuating refrigerant from the system.
Refrigerant Charging Procedures
Guidelines and requirements for charging the system with refrigerant.
Decommissioning Process
Steps and requirements for safely decommissioning the equipment.
Refrigerant Handling and Logistics
Equipment Labeling Requirements
Labeling requirements for decommissioned and emptied refrigerant equipment.
Refrigerant Recovery Procedures
Recommended procedures for safely recovering refrigerant for servicing or decommissioning.
Transport, Marking, and Storage Guidelines
Guidelines for transporting, marking, and storing units employing flammable refrigerants.
Hazardous Area Safety
Unventilated Area Precautions
Safety measures for installing appliances in unventilated areas with flammable refrigerants.
Installation Accessories
Included Accessories List
List of parts included with the system for installation.
Optional Accessories List
List of optional parts available for purchase or specific configurations.
Unit Dimensions and Specifications
Physical Dimensions Table
Detailed measurements for system sizes, including unit and mounting dimensions.
Unit Clearances and Placement
Standard Clearance Requirements
Required spacing around the unit for airflow, service, and safety.
Snowfall Clearance Considerations
Adjustments for unit placement to account for snowfall and prevent damage.
Multiple Unit Arrangement Clearances
Clearance guidelines for installing multiple outdoor units in parallel.
Snowfall Equipment Damage Hazard
Hazard warning related to snow accumulation blocking air intake and causing damage.
Installation Preparation and Mounting
Installation Location Requirements
Guidelines for selecting suitable and avoiding prohibited installation locations.
General Installation Safety Warnings
Warnings and precautions related to the installation process and compliance.
Equipment Check Procedure
Steps for inspecting the unit and verifying its condition before installation.
Unit Mounting Procedures
Detailed steps for mounting the unit, including weather and ground considerations.
Wall Mounting Procedures
Wall Bracket Installation
Instructions for marking, drilling, and securing wall brackets for unit mounting.
Condensate Drain Installation
Drain Joint Assembly
Steps for fitting and securing the drain joint to the outdoor unit's base pan.
Local Code Compliance
Requirement to comply with local sanitation codes for drain installation.
Refrigerant Piping Connections
Piping Size and Length Requirements
Guidelines on pipe sizes, lengths, bends, and drop heights for refrigerant lines.
Installation Warnings and Precautions
Critical warnings regarding technician qualifications, room safety, contamination, and oil traps.
Connecting Refrigerant Piping Steps
Procedure for running, connecting, and insulating the refrigerant pipes.
Refrigerant Pipe Preparation
Pipe Cutting and Deburring
Instructions for correctly cutting pipes and removing burrs for airtight connections.
Pipe Flaring Procedures
Detailed steps for flaring pipe ends, including dimensions and forms.
Pipe Connection and Testing
Flare Nut Tightening Torque
Specifications and methods for tightening flare nuts using torque wrenches.
Tubing Bending and Insulation
Guidelines for bending tubing radius and insulating suction lines.
Optional Brazing Adapter Procedure
Steps for using and installing brazing adapters for refrigerant line connections.
Refrigerant Piping Pressure Testing
Procedure for pressure testing refrigerant piping using nitrogen.
Power Wiring Connections
Electrical Safety Precautions
Critical warnings and safety measures to follow before performing any electrical work.
Unit Wiring Steps
Sequential steps for connecting power supply, control lines, grounding, and covers.
Wiring Standards and Guidelines
Outdoor Unit Wiring Connections
Guide for connecting outdoor unit 485 and 24V communication lines.
General Wiring Requirements
Adherence to NEC/CEC codes and proper wire sizing for electrical connections.
Communication Wiring and Dip Switches
Communication Wiring Options and Sizes
Overview of communication wiring types and recommended cable sizes.
Wiring Color Guide and Settings
Reference for wiring color codes and outdoor unit DIP switch configuration.
Wiring Scenarios
Scenario 1: 3rd Party 24V Thermostat Wiring
Wiring diagram and dip switch settings for connecting a 3rd party 24V thermostat.
Scenario 2: RS485 Communication Wiring
Wiring diagram and dip switch settings for RS485 communication setups.
Advanced Wiring Scenarios
Scenario 3: 3rd Party Equipment Configuration
Wiring and configuration for self-adapt mode with 3rd party equipment.
24V Thermostat Wiring Diagrams
Terminal Functionality Overview
Explanation of terminal functions on the thermostat, indoor, and outdoor units.
Thermostat Wiring Configurations
Diagrams illustrating common wiring configurations for various thermostat setups.
Air Evacuation and Refrigerant Charging
Evacuation Preparations and Precautions
Steps and precautions before and during the air evacuation process.
Evacuation Step-by-Step Instructions
Detailed instructions for performing the system air evacuation.
Refrigerant Charging Guidelines
Guidelines for adding refrigerant, including formulas for additional charging.
System Start-Up, Maintenance, and Troubleshooting
Pre-Test Run Checks
Verification steps to confirm proper installation before system startup.
Start-Up Test Procedure
Instructions for performing the initial system startup and testing.
Periodic Maintenance Importance
Guidance on the necessity of regular maintenance for optimal performance.
Diagnostic Code Display Overview
Explanation of diagnostic LEDs and error codes for troubleshooting.
Appendix: Outdoor Unit Diagnostics
Diagnostic Code Reference
A comprehensive list and explanation of outdoor unit diagnostic error codes.
Product Warranty Information
Warranty Registration and Benefits
Information on warranty registration requirements and benefits.
Need help?
Do you have a question about the Evox MO1SE-H36B-2A and is the answer not in the manual?
Questions and answers