Sanyo SPW-CR903GDCH8 User Manual

FILE NO.
TECHNICAL DATA
&
SERVICE MANUAL
85464869177001 REFERENCE NO. TD831077
OUTDOOR MODEL No. PRODUCT CODE No. APPLICABLE INDOOR MODEL No. V / ø / Hz
SPW-CR1503GDYH8 85401575 SPW - K(R) · AS(R) · S(R)· UR · F(R)· FM(R) · SLR 93GH56
OUTDOOR
SPW-CR1903GDYH8 85401576 SPW - X(R) · K(R) · AS(R) · S(R)· UR · F(R)· FM(R) · SLR 123GH56
380 - 415 / 3 ø / 50
SPW-CR703GDCH8 85401579 SPW - X(R) · K(R) · TR · S(R)· UR · F(R)· FM(R) · SLR 183GH56
SPW-CR903GDCH8 85401580 SPW - X(R) · TR · S(R) · UR · D(R) · F(R)· FM(R) · SLR 253GH56
INDOOR
SPW-C1503GDYH8 85401573 SPW - X(R) · TR · UR · D(R) 363GH56
220 - 240 / 1 ø / 50
SPW-C1903GDYH8 85401574 SPW - X(R) · TR · UR · D(R) 483GH56
SPW-C703GDCH8 85401577 SPW - DR 763GH56
SPW-C903GDCH8 85401578 SPW - DR 963GH56
R407C
&
R22

Sanyo SPW-CR903GDCH8 Specifications

General

Brand	Sanyo
Model	SPW-CR903GDCH8
Category	Air Conditioner
Language	English

Summary

Important Safety and Operation Guidelines

Please Read Before Starting

Essential steps for safe installation and trouble-free operation of the air conditioning system.

Special Precautions

When Installing

When Connecting Refrigerant Tubing

Instructions for safely connecting refrigerant tubing, including leak checks.

Density Limit Check

Density Limit Requirements

Ensuring refrigerant gas density does not exceed set limits to prevent suffocation risk.

Design of W-ECO MULTI SYSTEM

Model Selecting and Capacity Calculation

Procedure for selecting models and calculating system capacity based on various factors.

Electrical Wiring

Precautions and recommendations for wiring, including wire size and diagram.

Installation Instructions

Guidelines for selecting installation sites, transporting, and installing indoor and outdoor units.

Test Run and Others

Test Run

Detailed procedures for performing test runs, including address setting and operation checks.

Electrical Work

Installation Standards

Standards for gas leak inspection, density limit checks, and precautions for new refrigerants.

Processes and Functions

Compressor Control

Protection Controls

Overview of various protection mechanisms including temperature and current controls.

Solenoid Valve Control

Hot Gas Defrosting Control

Backup Operation

Procedures for backup operation when a unit or compressor is faulty.

Indoor Electronic Expansion Valve

Replacement of Main Units

Compressors

Procedures for judging compressor replacement needs and detailed steps for replacement.

Indoor Units

Procedures for refrigerant recovery and operation when faults occur in indoor units.

Electrical Data

Outdoor Unit

Electrical specifications and wiring diagrams for outdoor units (R407C and R22).

Indoor Unit