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Sanyo KMS1872 User Manual

Sanyo KMS1872
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CM1972 (3-room multi unit)
CM2472 (4-room multi unit)
CM3172 (4-room multi unit)
CLM1972 (3-room multi unit)
CLM2472 (4-room multi unit)
CLM3172 (4-room multi unit)
< Applicable Multi-Outdoor Units >
TECHNICAL & SERVICE MANUAL
INDOOR UNIT : KMS0772
KMS0972
KMS1272
KMS1872
KMS2472
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
FILE NO.
Destination: North America
Wall Mounted Type Indoor Unit
KMS0772
KMS0972
KMS1272
KMS1872
KMS2472
REFERENCE NO. SM700665-02
Product Code No.
1 852 099 87
1 852 099 88
1 852 099 89
1 852 099 90
1 852 099 91
Capacity
7,500BTU / h
9,000BTU / h
11,900BTU / h
17,500BTU / h
24,200BTU / h
Indoor Model No.
KMS0772
KMS0972
KMS1272
KMS1872
KMS2472
NOTE
AIR
CO
N
DITIONER
A
IR
C
O
N
DITIO
NER
IMPORTANT
These air conditioners employ new
refrigerant R410A.
Pay special attention when
servicing the unit.
For details about the combinations, refer to
Unit Combination Table in the
T. Service
Manual
for the Multi Outdoor Units.

Table of Contents

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Sanyo KMS1872 Specifications

General IconGeneral
TypeSplit System
Cooling Capacity18000 BTU/h
Power Supply220-240V, 50Hz
EER (Cooling)3.0
COP (Heating)3.2

Summary

DC INVERTER MULTI-SYSTEM AIR CONDITIONER

Safety and Handling Precautions

General Safety Guidelines

Covers warnings, help procedures, improper installation, and cautionary symbols.

Specific Precautions (Wiring, Transport, Install)

Details precautions for wiring, transport, installation, tubing, and servicing.

Operating Range

Unit Specifications

KMS0772 (230V) Specifications

Details performance, electrical, features, and dimensions for KMS0772 at 230V.

KMS0772 (208V) Specifications

Details performance, electrical, features, and dimensions for KMS0772 at 208V.

Major Component Specifications

Dimensional Data

Refrigerant Flow Diagrams

Performance Data

Electrical Data

Functions

Troubleshooting Procedures

Pre-Inspection and Self-Diagnostics

Precautions before repair and how to perform self-diagnostics.

Self-Diagnostics Lamp Indications

Table showing lamp indicators for diagnostic codes.

Troubleshooting Self-Diagnostics Failure

Guide for when the self-diagnostics function fails.

Indoor/Outdoor Unit Checks

Procedures for checking indoor and outdoor unit operation.

Indoor Fan Motor Diagnosis

Steps for diagnosing issues with the indoor fan motor.

Installation Requirements

Location, Electrical, and Safety Guidelines

Covers installation site, electrical needs, and safety rules.

Remote Control Unit Operation

Using the Remote Control Unit

Basic Operation

Starting and Setting Operation

Step-by-step guide to starting and setting the air conditioner.

Night Setback Mode for Energy Saving

Explanation of the night setback feature for energy savings.

Timer Settings

Airflow Direction Control

Troubleshooting Common Issues

Installation Instructions Overview

Installation Safety and Precautions

General Installation Guidelines

Installation Site Selection

Indoor Unit Placement Criteria

Guidelines on where to install the indoor unit, including what to avoid.

Indoor Unit Installation Steps

Panel Removal and Wall Hole Preparation

Steps for removing the rear panel and preparing the wall for tubing.

Wall Hole Cutting and Panel Mounting

Cutting the wall hole and mounting the rear panel securely.

Tubing Shaping and Wiring Guidelines

Shaping indoor tubing and general wiring instructions.

Inter-unit Wiring Connections

Steps for connecting inter-unit wiring to the indoor unit.

Connecting Wires to Terminals

Detailed instructions on how to connect wires to terminals.

Mounting the Indoor Unit

Procedures for securely mounting the indoor unit to the rear panel.

Left-Side Tubing and Drain Setup

Instructions for left-side tubing and switching the drain hose/cap.

Drain Hose and Unit Unmounting

Guidelines for drain hose installation and unmounting the indoor unit.

Test Run Procedure

Remote Control Unit Installation

Installation Location Requirements

Specifies ideal and unsuitable locations for mounting the remote control.

Remote Control Unit Setup

Final Installation Checks and Connectivity

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