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Sanyo KS0971 Service Manual

Sanyo KS0971
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Emergency operation SENSOR DRY
During DRY operation, the system adjusts the room
temperature and fan speed according to the conditions in the
room, in order to maintain a comfortable room environment.
SENSOR DRY operation
DRY operation is as shown in the figure below.
PAM- control
In order to further improve inverter performance, control is
switched between PWM control at low operation speeds, and
PAM control at high operation speeds, making the most
effective use of power.
The compressor operation frequency varies.
The indoor fan operates with 1/f fluctuation.
The compressor operates at a low operating frequency.
The indoor fan operates with 1/f fluctuation.
Monitoring operation takes place when the room temperature
is below 59°F
(15°C), or more than 5°F(3°C) below the set
temperature.
When the monitoring range is entered, the compressor stops,
and the indoor fan operates with 1/f fluctuation.
DRY A
DRY B
Monitor
Conditions are monitored at all
times when the room temperature
is below 59°F(15°C).
Load
COOL zone
A zone
B zone
Emergency operation is available when the remote
controller malfunctions, has been lost, or otherwise
cannot be used.
The set temperature is 4°F(2°C) below the detected room
temperature in the case of cooling operation.
(GREEN) (Lamp Off)
COOL STOP
To operate the system, press the OPERATION button,
which is also used as the receiver, below the unit display.
Each time this button is pressed, the OPERATION lamp
changes color to indicate the type of operation. Select the
desired type of operation.
The Sensor Dry operation during the Low Ambient Cooling
Mode (outside air temperature:59°F(15°C) or lower) is as
follows.
The compressor operates a cycle of 3 minutes ON and 6
minutes OFF repeatedly.
NOTE
DRY A
DRY Band
9. FUNCTIONS
9-1. Operation Functions
(CLxx models only)
39

Table of Contents

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Questions and Answers:

Sanyo KS0971 Specifications

General IconGeneral
BrandSanyo
ModelKS0971
CategoryAir Conditioner
LanguageEnglish

Summary

Important Safety Precautions

Safe Installation and Operation Guidelines

Key steps for safe installation, operation, and adherence to codes.

Wiring Safety Precautions

Critical safety warnings for electrical wiring, emphasizing qualified personnel.

Unit Specifications Overview

Unit Specifications Details

Detailed specifications for indoor and outdoor units, including performance and electrical ratings.

Major Component Specifications

Major Component Specifications for Outdoor Unit

Refrigerant Flow Diagram and Tubing Insulation

Performance Data: Temperature Charts

Electrical Characteristics

Electric Wiring Diagrams: Indoor Unit

Electric Wiring Diagrams: Outdoor Unit C0971

Electric Wiring Diagrams: Outdoor Unit C1271

Installation Site Selection

Recommended Wire Length and Diameter

Remote Control Unit Installation Position

How to Test Run the Air Conditioner

Indoor Unit Grille Removal and Installation

Functions

Protective Functions

Troubleshooting Precautions and Self-Diagnostics

Performing Self-Diagnostics

Procedure for executing the unit's self-diagnostic function for troubleshooting.

Checking Indoor and Outdoor Units

Outdoor Fan Motor Trouble Diagnosis

Measurement of Insulation Resistance

Fuse Continuity Check on PCB Assembly

Refrigerant R410A: Special Servicing Precautions

Characteristics of New Refrigerant R410A

Details on the properties, components, and characteristics of R410A refrigerant.

Pre-Servicing Checklist for R410A

Tools Specifically for R410A Servicing

Compressor Malfunction Procedures

Refrigerant Leak Detection and Repair

Charging Additional Refrigerant and Retro-Fitting

Installation Location Guidelines

Remote Control Unit Components

Remote Control Unit Button Functions

Using the Remote Control Unit

Basic Operation with Remote Control

Setting the Timer: Present and OFF Time

Setting ON Time and Repeat Timers

Adjusting Airflow Direction

Care and Cleaning Precautions

Troubleshooting Common Issues

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