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Heat Controller Energy Knight B/A-HMC09AS User Manual

Heat Controller Energy Knight B/A-HMC09AS
73 pages
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Wall Mounted
Mini-Split System
Air Conditioning/Heat Pump
Service Manual
B/A-HMC09AS
B/A-HMC12AS, B/A-HMH12AS
B/A-HMC18AS, B/A-HMH18AS
B/A-HMC24AS, B/A-HMH24AS
Before servicing the unit, read the
“safety precautions” in this manual.
Only for authorized service personnel.
®

Table of Contents

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Heat Controller Energy Knight B/A-HMC09AS Specifications

General IconGeneral
Model NumberB/A-HMC09AS
CategoryHeat Pump
Cooling Capacity (BTU)9000
Cooling Capacity (BTU/h)9000
Heating Capacity (BTU/h)9000
Voltage (V)115
Refrigerant TypeR410A
Product NameEnergy Knight
HSPF Rating8.2 HSPF
Indoor Unit Dimensions (HxWxD, in)31.5

Summary

Product Functions

Indoor Unit Operational Features

Details operational features and controls of the indoor unit.

Remote Controller Operation

Remote Control Functions and Buttons

Explains the use of different buttons on the remote controller for unit operation.

Product Specifications

Cooling Only Model Specifications

Lists technical data, dimensions, and features for cooling-only models.

Product Specifications

Cooling & Heating Model Specifications

Lists technical data, dimensions, and features for cooling & heating models.

Unit Dimensions

Indoor Unit Dimensions

Provides diagrams and measurements for the indoor unit.

Unit Dimensions

Outdoor Unit (9K, 12K) Dimensions

Provides diagrams and measurements for the 9K and 12K outdoor units.

Refrigeration Cycle Diagram

Cooling Only Models Refrigerant Cycle

Illustrates the refrigerant flow for cooling-only models.

Wiring Diagram

Indoor Unit Wiring Diagram

Shows the electrical connections for the indoor unit.

Operation Details

Main Control Functions

Covers time delay, chaos swing, and cooling operation modes.

Operation Details

Auto Operation Modes (Cooling)

Details auto operation logic for cooling, including initial start and button presses.

Operation Details

Auto Operation Modes (Dehumidification & Heating)

Explains auto operation for dehumidification and heating models.

Display and Diagnostics

Indicators and Self-Diagnosis

Explains LED indicators, buzzer sounds, and troubleshooting codes.

Installation

Installation Safety and Warnings

Crucial safety precautions and warnings for installers.

Installation Procedures

Location Selection and Piping Requirements

Guidance on choosing the best location and piping specifications.

Installation Procedures

Electrical Wiring and Cable Connections

Details on connecting power supply and low voltage wires.

Refrigerant Handling

Air Purging and System Evacuation

Step-by-step guide for leak testing and air purging.

Test Running and Maintenance

Performance Testing and Refrigerant Recovery

Procedures for testing unit performance and pump down.

Indoor Unit Disassembly

Disassembly Procedures (9K, 12K Models)

Instructions for removing the grille and first components of 9K/12K indoor units.

Cycle Troubleshooting Guide

Refrigeration Cycle Analysis

Analyzes temperature differences and operating current for troubleshooting.

Troubleshooting

Product Operation and Control Issues

Diagnostic steps for no operation, remote control, and drive issues.

Electronic Control Device

PWB Assembly and Schematic Diagrams

Information on PWB assemblies and circuit diagrams.

Exploded View and Parts List

Indoor Unit (9K) Exploded View and Parts List

Visual breakdown and part numbers for the 9K indoor unit.

Exploded View and Parts List

Indoor Unit (9K) Parts List

List of part numbers and quantities for the 9K indoor unit.

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