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General| Model | 42QHST12-708J |
|---|---|
| Type | Split Air Conditioner |
| Cooling Capacity | 12000 BTU/h |
| Heating Capacity | 12000 BTU/h |
| Refrigerant | R410A |
Guidance on choosing the optimal placement for the indoor unit for effective air circulation and service.
Details on suitable outdoor locations for unit installation, considering environmental factors.
Key factors to consider when selecting an outdoor unit placement for optimal performance and longevity.
Specifies required clearances around a single outdoor unit for proper air circulation and access.
List of standard installation accessories provided with the unit for domestic market use.
List of standard installation accessories provided with the unit for export markets.
Details of additional installation accessories required but not supplied from the factory.
Steps for preparing the indoor unit installation, including wall hole location selection.
Detailed steps for installing the indoor unit onto the wall hang bracket and connecting components.
Instructions on how to properly insert batteries into the wireless remote control.
Guidelines for operating the wireless remote control, including range and usage precautions.
Steps to prepare the outdoor unit before installation, including unpacking and lifting procedures.
Detailed steps for assembling and installing the wall support for the outdoor unit.
Visual guide illustrating the sequence of steps for connecting refrigerant piping lines.
Identifies the four possible locations for routing refrigerant piping from the indoor unit.
Essential guidelines for connecting refrigerant piping, including height, length, and bend restrictions.
Data on maximum length and vertical distance for refrigerant piping lines based on system model.
Diagrams showing gas and liquid connections on the outdoor unit's service valves.
Diagrams illustrating gas and liquid refrigerant connections on the indoor unit.
Identification of gas and liquid piping lines used for refrigerant connections.
Lists the essential tools required for preparing refrigerant piping lines.
Detailed steps for cutting, reaming, and flaring refrigerant piping lines before making connections.
Instruction to remove plastic nuts from indoor unit connections only when ready for connection.
Instruction to remove plastic nuts from outdoor unit connections before installation on wall support.
Procedure for mounting gas and liquid flare nuts onto the ends of the refrigerant piping.
Procedure for mounting flare nuts onto the other ends of the refrigerant piping lines.
Detailed steps for connecting gas and liquid refrigerant lines to the indoor unit's half unions.
Steps for connecting gas and liquid refrigerant lines to the outdoor unit's flare valves.
Introduction to air purging procedures for indoor unit and refrigerant piping.
Procedure for purging air using the system's refrigerant, including step-by-step instructions.
Procedure for air purging using a vacuum pump, including necessary precautions and steps.
Procedure for collecting all refrigerant back into the outdoor unit before disconnection or repair.
Methods for checking refrigerant leaks at connection points using soapy water or a leak detector.
Instructions on insulating gas and liquid piping lines to conserve energy and prevent condensation.
Specifies the required size and material for the condensate drain line.
Illustrates the four possible routing locations for the condensate drain line from the indoor unit.
Guidelines for proper condensate drain line installation, including slope, traps, and drainage tests.
Detailed instructions for electrical wiring between the power supply, circuit breaker, and air conditioner.
Guidance on connecting indoor unit, outdoor unit, and circuit breaker, emphasizing safety and correct wiring.
Table providing electrical data, including consumption and circuit breaker ratings for different models.
Preparation steps for outdoor unit wiring, focusing on cable connections and avoiding slack or miswiring.
Specific electrical wiring instructions for heat pump systems, covering outdoor and indoor units.
Details on wiring the outdoor unit for heat pump systems, with connection diagrams.
Details on wiring the indoor unit for heat pump systems, with connection diagrams.
Instructions for field wiring of cool only and heat pump systems, including wire sizes and diagrams.
Wiring diagrams and wire size specifications for cool only systems (12K-18K).
Wiring diagrams and wire size specifications for heat pump systems (12K-18K).
Wiring diagrams and wire size specifications for 24K systems (cool only and heat pump).
Precautions to take before operating the unit for test running, ensuring proper component installation.
Procedure for performing a cooling test run using the manual control button when ambient temp is low.
Steps to conduct a cooling test run, measuring low pressure and total amps after stabilization.
Steps to conduct a heating test run, measuring high pressure and total amps after stabilization.
Overview of air supply and return flow, and how to adjust air direction for comfort.
How to use the remote control to automatically adjust vertical air direction.
How to use the remote control to automatically swing horizontal louvers for air distribution.
Cautions regarding operation of air direction and swing functions, and potential malfunctions.
Manual adjustment of vertical louvers to set horizontal air supply direction.
Checklist items for verifying correct installation of the indoor unit.
Checklist items for verifying correct installation of the outdoor unit and its support.
Checklist items for verifying refrigerant piping connections, insulation, and leak testing.
Checklist items for verifying proper connection and flow of the condensate drain line.
Checklist items for verifying electrical connections, voltage, wiring, and grounding.
Checklist items for verifying proper finishing of installation, including piping bundling and wall sealing.
Checklist items for verifying test running operations, noise levels, and remote control functionality.
Checklist items for ensuring customer guidance on operation, maintenance, and manual provision.
