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Sanyo SAP-KMRV76EH - User Manual

Sanyo SAP-KMRV76EH
148 pages
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TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT : SAP-CMRV1426EH
SAP-CMRV1926EH
SAP-CMRV1936EH
SAP-CMRV2446EH
SAP-CMRV3146EH
SAP-CMRV1426EH
SAP-CMRV3146EH
SAP-CMRV1926EH
SAP-CMRV1936EH
SAP-CMRV2446EH
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
Outdoor Model No.
SAP-CMRV1426EH-F
SAP-CMRV1926EH-F
SAP-CMRV1936EH-F
SAP-CMRV2446EH-F
SAP-CMRV3146EH-F
Capacity
4.0kW
5.6kW
5.6kW
6.8kW
8.0kW
Product Code No.
1 852 355 43
1 852 355 44
1 852 355 45
1 852 355 46
1 852 355 47
REFERENCE NO. SM700846
< Applicable Indoor Units >
For details about the combination, refer to "Unit
Combination Table" in the Appendix of this manual.
NOTE
Wall mounted type
SAP-KRV96EHDSA
SAP-KRV126EHDS
SAP-KMRV76EH
SAP-KMRV96EH
SAP-KMRV126EH
SAP-KRV186EH
SAP-KRV246EH
Destination: Europe
RoHS
WARNING
This product does not contain any hazardous substances prohibited by the RoHS Directive.
• You are requested to use RoHS compliant parts for maintenance or repair.
• You are requested to use lead-free solder.
FILE NO.
Do not vent R410A into atmosphere : R410A is a fluorinated greenhouse gas,
covered by Kyoto Protocol, with a Global Warming Potential (GWP) = 1975.
F-GAS REGULATION (EC) No 842 / 2006

Table of Contents

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Sanyo SAP-KMRV76EH Specifications

General IconGeneral
Star Rating3 Star
Cooling Capacity6450 W
RefrigerantR32
TypeSplit System
Power Supply230 V, 50 Hz

Summary

Applicable Indoor Units

Operating Range

Specifications

Unit Specifications

Detailed technical specifications for individual indoor and outdoor units, including capacity, power, and dimensions.

Major Component Specifications

Technical details and specifications for key components within the outdoor unit, such as compressor, fan, and heat exchanger.

Other Component Specifications

Specifications for sensors and other minor components used in the system.

Dimensional Data

Refrigerant Flow Diagram

Refrigerant Flow Diagram

Illustrates the path of refrigerant through the system during cooling, heating, and defrost cycles.

Performance Data

Temperature Charts

Graphs showing system performance characteristics at different temperature conditions.

Electrical Data

Electric Wiring Diagrams

Schematic diagrams detailing the electrical connections for the outdoor unit.

Functions

Explanation of Functions

Describes the operational modes and basic functions of the air conditioning system.

Protective Functions

Details safety features and operational protections implemented in the system.

Troubleshooting

Precautions before Performing Inspection or Repair

Essential safety warnings and precautions for handling electronic components during service.

Trouble Diagnosis by Error Monitor Lamps

Explains how to interpret error codes indicated by lamps on the control board.

Checking the Outdoor System

Procedures for checking the operational status and basic functions of the outdoor unit.

Trouble Diagnosis of Each Part

Guides for identifying problems by inspecting individual components of the system.

Trouble Diagnosis of Fan Motor

Specific troubleshooting steps for diagnosing issues with the fan motor.

Refrigerant R410 A: Special Precautions When Servicing Unit

Characteristics of New Refrigerant R410 A

Information on the properties and handling requirements of R410A refrigerant.

Checklist before Servicing

A pre-service checklist covering tools and preparations, especially for R410A.

Tools Specifically for R410 A

Lists specialized tools required for servicing systems using R410A refrigerant.

Tubing Installation Procedures

Guidance on proper procedures for installing refrigerant tubing connections.

In Case of Compressor Malfunction

Steps for diagnosing and replacing a malfunctioning compressor.

In Case Refrigerant is Leaking

Procedure for detecting, repairing, and recharging refrigerant after a leak.

Charging Additional Refrigerant

Instructions for adding refrigerant, including proper state and amount.

Retro-Fitting Existing Systems

Guidelines for adapting existing systems for R410A or replacing components.

Important! Please Read Before Starting

1. General

Tools Required for Installation (not supplied)

List of tools needed for installation that are not included with the unit.

Accessories Supplied with Unit

Details of parts and accessories provided in the unit packaging.

Optional Copper Tubing Kit

Information on available optional kits for refrigerant tubing installation.

Type of Copper Tube and Insulation Material

Specifies the types and dimensions of copper tubing and insulation required.

Additional Materials Required for Installation

List of supplementary materials needed for proper installation.

2. Installation Site Selection

Indoor Unit

Guidelines for selecting an appropriate installation location for the indoor unit.

Connecting Indoor Units

Instructions on how to connect multiple indoor units to a single outdoor unit.

Outdoor Unit

Recommendations for selecting an optimal installation site for the outdoor unit.

Outer Dimensions of Outdoor Unit

Diagrams showing the physical dimensions of the outdoor units.

Diagram of Outdoor Unit Installation

Visual guide illustrating the placement and connections for outdoor unit installation.

3. Installation Process

Embedding the Tubing and Wiring

Steps for routing and securing refrigerant tubing and electrical wiring.

Drain Cap and Drain Elbow

Details on installing drain components for condensate removal.

Use of the Flaring Method

Explanation of the flaring technique used for connecting refrigerant tubes.

Flaring Procedure with a Flare Tool

Step-by-step guide on performing flaring for tube connections.

Caution Before Connecting Tubes Tightly

Important warnings regarding dust prevention and lubricant application before tightening tubes.

Tubing Connections

Procedures for making secure and leak-free connections of refrigerant tubing.

Insulation of Refrigerant Tubing

Guidelines for insulating refrigerant tubes to prevent heat loss and condensation.

Taping the Tubes

Instructions for taping refrigerant tubes and wiring bundles for protection.

Finishing the Installation

Final steps to seal openings and complete the installation.

4. Air Purging

Air Purging with a Vacuum Pump (for Test Run)

Procedure for removing air and moisture using a vacuum pump.

Pump Down

Method for recovering refrigerant gas from the system before relocation or disposal.

5. Wiring Instructions

General Precautions on Wiring

Essential safety rules and general guidelines for electrical wiring.

Recommended Wire Length and Diameter

Guidance on selecting appropriate wire sizes and lengths based on regulations.

Wiring System Diagram

Diagrams showing the electrical connections between indoor and outdoor units.

How to Connect Wiring to the Terminal

Detailed instructions on properly connecting wires to terminal blocks.

Wiring Instructions for the Outdoor Unit

Specific steps for wiring the outdoor unit, including grounding and cable management.

6. Test Run

Performing a test run

Procedures for conducting a functional test of the installed system.

Checking tubing and wiring

Steps to verify the correctness of tubing and wiring connections after installation.

7. Connecting a Home Automation Device

8. Installation Check Sheet

9. Electric Wiring Diagram

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