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General| Brand | Sanyo |
|---|---|
| Model | CMH3172A |
| Category | Air Conditioner |
| Language | English |
Indicates sections for corrections, service flashes, production changes, or added information.
Provides a summary of outdoor unit models, capacities, and product codes.
Identifies outdoor units and lists compatible indoor unit types.
Covers general safety, electrical shock warnings, and proper wiring practices.
Details safety for refrigerant handling, working at heights, and maintenance procedures.
Details compatibility tables for wall-mounted and semi-concealed indoor units.
Specifies the operational temperature ranges for cooling and heating modes.
Detailed specifications for the CMH1972A outdoor unit at 230V.
Detailed specifications for the CMH1972A outdoor unit at 208V.
Detailed specifications for the CMH2472A outdoor unit at 230V.
Detailed specifications for the CMH2472A outdoor unit at 208V.
Detailed specifications for the CMH3172A outdoor unit at 230V.
Detailed specifications for the CMH3172A outdoor unit at 208V.
Details on control PCB, compressor, fan motor, and heat exchanger for CMH1972A.
Details on control PCB, compressor, fan motor, and heat exchanger for CMH2472A.
Details on control PCB, compressor, fan motor, and heat exchanger for CMH3172A.
Information on sensors and corresponding resistance charts.
Provides detailed diagrams and measurements for the CMH1972A outdoor unit.
Provides detailed diagrams and measurements for the CMH2472A outdoor unit.
Provides detailed diagrams and measurements for the CMH3172A outdoor unit.
Illustrates refrigerant flow and specifies tubing insulation requirements.
Illustrates the refrigerant path for the CMH2472A model.
Illustrates the refrigerant path for the CMH3172A model.
Cooling and heating performance charts with usage notes for CMH1972A.
Cooling and heating performance charts for CMH2472A.
Cooling and heating performance charts for CMH3172A.
Tables detailing cooling capacity based on temperature conditions for CMH1972A.
Tables detailing cooling capacity based on temperature conditions for CMH2472A.
Tables detailing cooling capacity based on temperature conditions for CMH3172A.
Tables detailing heating capacity based on temperature conditions for CMH1972A.
Tables detailing heating capacity based on temperature conditions for CMH2472A.
Tables detailing heating capacity based on temperature conditions for CMH3172A.
Shows the electrical connections and wiring diagram for CMH1972A.
Shows the electrical connections and wiring diagram for CMH2472A.
Shows the electrical connections and wiring diagram for CMH3172A.
Explains initial start-up sequence and HEAT mode operations.
Details defrost sequences and operational states within HEAT mode.
Describes COOL mode operation, freeze prevention, and stop conditions.
Explains SENSOR DRY mode and frequency control mechanisms.
Covers mode transitions and protective actions for low ambient cooling.
Explains the mechanisms for detecting and releasing defrost cycles.
Describes how current is managed by adjusting operating frequency.
Covers low start current, compressor temp control, and HEAT start-up.
Warns about charged capacitors and safe handling of electronic boards.
Identifies error lamp locations and their diagnostic codes.
Checks outdoor unit power, operation, and performs a defrost test.
Maps common problems to inspection points for various parts.
Provides specific checks for components like fuses, compressors, and sensors.
Details the procedure for testing the electric expansion valve's functionality.
Covers checks for temperature sensors, breakers, and refrigerant pressure.
Lists fan motor issues and diagnostic procedures via voltage checks.
Explains the properties, composition, and handling of R410A refrigerant.
Covers pre-servicing checks, flare tool usage, and tubing precautions.
Lists specialized tools required for servicing R410A systems.
Details steps for recovering refrigerant, replacing compressor, checking seals, and evacuation.
Explains refrigerant charging methods, safety, and quantity guidelines.
Outlines steps to find, fix refrigerant leaks, and recharge the system.
Covers procedures for adding refrigerant and retrofitting existing systems.
Lists installation sections and provides an overview of unit combinations.
Covers general safety, electrical precautions, and site selection criteria.
Lists necessary tools, supplied accessories, and required materials.
Specifies ideal locations, areas to avoid, and clearances for unit placement.
Provides specifications for maximum tubing length and elevation differences.
Illustrates connection methods for indoor units with CMH1972A.
Illustrates connection methods for indoor units with CMH2472A.
Illustrates connection methods for indoor units with CMH3172A.
Details outdoor unit placement and the installation of wind baffle plates.
Provides dimensions and required parts for baffle plate installation.
Covers embedding tubing, wiring, and the flaring process.
Covers cautions for tube connection and specified tightening torques.
Provides detailed measurement diagrams for all outdoor unit models.
Explains how to properly insulate and secure refrigerant tubing.
Details air purging effects and vacuum pump procedures.
Covers detailed steps for vacuum pump operation and safety.
Explains how to recover refrigerant using the pump down method.
Covers safety, grounding, and connection guidelines for wiring.
Provides guidance on wire selection based on length and electrical codes.
Shows wiring diagrams for different indoor and outdoor unit configurations.
Explains the correct procedure for connecting wires to unit terminals.
Details connections to the outdoor unit's terminal board and cable management.
Outlines how to conduct a test run and check for tubing/wiring errors.
Covers HA device connection and a checklist for final installation verification.
Lists available combination tables and provides important operational notes.
Details possible indoor unit combinations for 3-room setups with CMH1972A.
Table listing 3-room indoor unit combinations for CMH1972A at 230V.
Table listing 3-room indoor unit combinations for CMH1972A at 208V.
Details possible indoor unit combinations for 4-room setups with CMH2472A.
Table listing 4-room indoor unit combinations for CMH2472A at 230V.
Table listing 4-room indoor unit combinations for CMH2472A at 208V.
Details possible indoor unit combinations for 4-room setups with CMH3172A.
Table listing 4-room indoor unit combinations for CMH3172A at 230V.
Table listing 4-room indoor unit combinations for CMH3172A at 208V.
