To Next PageTo Next PageWhat causes refrigerant leakage in a Heat Controller Energy Knight B/A-HMC30AS?
Refrigerant leakage in your Heat Controller Heat Pump can be caused by a clog in the refrigeration cycle or a defective compressor. It is recommended to check the refrigeration cycle to solve this problem.
General| Cooling Capacity | 30000 BTU/H |
|---|---|
| SEER | 16 |
| Refrigerant | R410A |
| HSPF | 9.0 |
| Power Supply | 208-230V/60Hz/1Ph |
Covers ON/OFF, temperature sensing, room temp control, starting current, and fan speed.
Details LED indicators, dehumidification, sleep, auto air, chaos swing, defrost, and hot-start modes.
Covers ON/OFF, mode selection, fan speed, temperature display/setting, and Jet Cool.
Explains how to set, cancel timers, and activate Sleep Mode Auto.
Details airflow direction control and the reset function.
Covers capacity, input, current, EER, noise, air circulation, and temperature control.
Details deflection, fan/cool steps, airflow control, remocon type, temp range, and modes.
Includes power supply, refrigerant, cord, fuse, connections, dimensions, and weight.
Covers capacity, input, current, EER, COP, noise, air circulation, and moisture removal.
Details temp control, deflection, steps, airflow control, remocon, temp range, and modes.
Includes power supply, refrigerant, cord, fuse, connections, dimensions, and weight.
Provides W, H, and D measurements for the indoor unit.
Illustrates installation plate and tubing hole cover components.
Provides W, H, D, L1-L11 measurements for the outdoor unit.
Shows locations of 3-way valves and piping connections on the outdoor unit.
Illustrates the refrigerant cycle for cooling-only models.
Illustrates the refrigerant cycle for cooling and heating models.
Details pipe size, standard/max length, max elevation, and refrigerant allowance.
Shows pipe routing diagrams and installation cautions for capacity and oil traps.
Illustrates wiring between components within the indoor unit.
Shows connections to the outdoor unit and display PCB assembly.
Details the wiring connections for the outdoor unit in cooling-only mode.
Details the wiring connections for the outdoor unit in heating mode.
Explains time delays for compressor, fan, and reversing valve operations.
Describes the automatic louver movement for cooling and heating cycles.
Explains the first stage of cooling operation and compressor selection.
Shows temperature trends, compressor, and fan status.
Defines conditions required to decide the current operation stage.
Describes the criteria for transitioning to different cooling stages.
Illustrates temperature, compressor, and fan behavior during stage 2.
Explains when this stage operates and its compressor behavior.
Details the criteria for shifting to other cooling operation stages.
Illustrates temperature, compressor, and fan behavior during stage 3.
Explains the first heating stage, compressor operation, and load decision.
Details criteria for transitioning to the heating operation stage 2.
Illustrates temperature, compressor, and fan behavior during stage 1.
Explains when 100% compressor operation is used in the second stage.
Details criteria for transitioning to the heating operation stage 3.
Illustrates temperature, compressor, and fan behavior during stage 2.
Defines conditions for deciding the operation stage in heating mode.
Describes the criteria for transitioning to different heating stages.
Illustrates temperature, compressor, and fan behavior during stage 3.
Explains this stage is used for small loads with 60% compressor operation.
Details criteria for transitioning to heating stages 1 or 3.
Illustrates temperature, compressor, and fan behavior during stage 4.
Explains fan stops until indoor pipe temperature reaches 82°F(28°C).
Shows indoor pipe temperature, fan speed, and compressor status.
Details temperature adjustments and auto-stop after hours in cooling mode.
Explains auto-stop after hours for heating mode.
Manual override for unit operation without remote control.
Automatic unit operation after power failure.
Covers signal reception, indicator lamps, and unit buttons.
Details error codes, LED patterns, and troubleshooting checks.
Lists provided parts and guides for selecting unit locations.
Covers piping length, elevation, and installation precautions.
Details space requirements and placement for the outdoor unit.
Describes how to securely fix the installation plate to the wall.
Details the process and location for drilling wall holes for piping.
Covers cutting pipes and removing burrs for proper flaring.
Details using the flaring tool and checking the flare quality.
Details steps to remove side, front, and lower panels for access.
Describes routing indoor tubing and cable for left rear piping.
Covers taping tubing, drain hose, and cable, and insulating connections.
Details how to hook the indoor unit onto the installation plate.
Explains connecting pipes and drain hose to the unit and drain pipe.
Covers wrapping insulation around the connecting portion and bundling pipes.
Details tubing, drain hose, and cable routing for right rear piping.
Details securing the indoor unit onto the installation plate.
Covers final pipe connections, insulation, and bundling.
Describes managing pipes and hoses behind the indoor unit chassis.
Covers refixing panels and connecting the display conductor.
Explains drain hose connection points and leak check procedures.
Details connecting outdoor pipes and using a torque wrench for tightening.
Details connecting wires to indoor unit terminals and power input.
Covers power supply, connecting cable specs, and wiring diagrams.
Describes removing the control cover, connecting wires, and securing the cable.
Covers power source, capacity, voltage, and earth leakage breaker.
Explains testing drainage by pouring water into the drain pan.
Details correct orientation and common mistakes in drain piping.
Covers wrapping and securing indoor unit piping with insulation and tape.
Describes routing and sealing pipes based on relative unit placement.
Explains the negative effects of air and moisture in the refrigerant system.
Details connecting gauges and nitrogen for leak detection.
Describes using soap water to check for leaks at piping connections.
Details connecting the vacuum pump and required evacuation time.
Covers opening valves, removing hoses, and final leak checks.
Covers battery installation, outdoor unit anchoring, and valve checks.
Details evaluating performance and the refrigerant pump down procedure.
Covers ON/OFF, Time Setting, Timer Set/Cancel, Sleep, Air Circulation.
Details Temp Check, °C/°F Select, Airflow Direction, and Reset.
Covers ON/OFF, Time Setting, Timer Set/Cancel, Sleep, Air Circulation.
Details Temp Check, °C/°F Select, Airflow Direction, and Reset.
Details steps to remove right side, front, lower, and left side panels.
Covers removing the grille and the lower panel for access.
Details removing the grille and disconnecting sensors and conductors.
Focuses on removing specific sensors, motor, and PCB connections.
Covers removing the control box and the discharge grille assembly.
Details the steps required to safely remove the evaporator assembly.
Describes loosening screws and separating the fan motor from the cross-flow fan.
Details loosening the holder bearing and lifting the cross-flow fan.
Details the sequence of valve operations and unit states for pump down.
Specifies gauge indications, torque values, and leak checks.
Details steps for purging air during refrigerant system re-installation.
Covers refrigerant discharge and final leak checks after purging.
Explains steps to balance refrigerant using the 3-way valve.
Details gauge readings for refrigerant discharge and handling.
Details connecting the vacuum pump to the charge set.
Explains evacuation time and how to confirm vacuum completion.
Covers connecting the charging cylinder and purging air from the hose.
Details charging with liquid refrigerant and final connection checks.
Relates temp difference and current to issues like leaks or charge problems.
Details checking suction pressure and identifying causes of trouble.
Guides initial checks for power supply and operational sounds.
Details checks for power voltage, unit voltage, and cable connections.
Focuses on checking PCB assembly, transformers, and IC outputs.
Explains normal operation after compressor stop and fan speed.
Differentiates issues caused by the remote versus other system parts.
Details checks for battery, LCD marks, and connector contacts.
Guides on setting mode, checking sensors, and connections.
Details checking relays (e.g., RY-COMP2) and related circuits.
Covers checking CN-MOTOR connection and the fan motor fuse.
Details checking TRIAC circuits and voltage for high-speed operation.
Checks gear engagement, motor connections, and torque.
Details checking circuit voltage and assembly interference.
Guides on setting heating mode and checking indoor pipe temperature.
Covers checking intake, pipe, and room temperature sensors.
Details checking DC voltages on PWB and operation of relays.
Illustrates components on the top side of the indoor unit's main PCB.
Illustrates components on the bottom side of the indoor unit's main PCB.
Illustrates components on the top side of the outdoor unit's main PCB.
Illustrates components on the bottom side of the outdoor unit's main PCB.
Shows the layout of the display PCB, including receiver and LEDs.
Details the connectors on the display PCB for main unit connection.
Illustrates the schematic of the main control board and MICOM.
Shows the wiring for motors, sensors, and indicator lamps.
Illustrates the schematic of the outdoor unit's main control board and MICOM.
Shows wiring for power, fans, compressor, and sensors.
Illustrates the assembly of the indoor unit with part numbers indicated.
Lists chassis, grilles, filters, and louvers.
Lists motors, fans, control boxes, PCBs, and wiring assemblies.
Illustrates the assembly of the outdoor unit with part numbers indicated.
Lists panels, grilles, thermistors, and capillary/reversing tubes.
Lists compressors, fans, control boxes, PCBs, and pressure switches.
