Fujitsu WPYA050LE - User Manual

AIR TO WATER HEAT PUMP
MONOBLOC type
CONTENTS
SPECIFICATION . . . . . . . . . .. . . . . . . . . . . . . . 2
FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
OPERATION DETAILS . . . . . . . . . . . . . . . . . . 4
TROBLESHOOTING GUIDE . . . . . . . . . . . . . 5
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . .
14ELECTRIC CIRCUIT DIAGRAM . . . . . . . . .
16EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . .
17
Models
Outdoor unit
WPYA050LE

Fujitsu WPYA050LE Specifications

General

Brand	Fujitsu
Model	WPYA050LE
Category	Heat Pump
Language	English

Summary

Specification

Functions

Operation Mode

Defines cold water and hot water operation modes.

Inverter Control

Explains how inverter control reduces compressor ON/OFF times.

Electricity Consumption

Notes reduced electricity usage with inverter control.

Defrost Control

Details defrosting based on outdoor heat exchanger temperature.

Anti-Freezing Control for Circulation Water

Activates anti-freeze operation below 2°C outdoor temperature.

Time Delay Safety Control

Inhibits restarting for approximately 3 minutes.

Operation Details

Defrosting Operation Details

Specifies conditions for defrosting start and stop, including timing.

Troubleshooting Guide

Safety Warnings and Symbols

Explains danger, warning, caution marks and safety precautions.

Error Codes and Troubleshooting

Lists unit error codes and corresponding troubleshooting checks and solutions.

Electrical Characteristics

Provides sensor resistance values at various temperatures for diagnosis.

Past Error Display

Details methods for viewing and canceling past error codes on the unit display.

Diagnostic Steps

Outlines procedures for checking fuses, motors, pumps, and valves.

PCB Controller Detachment

Step-by-step instructions for safely removing the controller PCB.

PCB Controller Assembly

Instructions for properly reassembling the controller PCB.

Monitor Display Method

Explains how to access and interpret operational data on the unit display.

Freeze Prevention Setting

Details how to enable or disable freeze prevention based on outdoor temperature.

Wiring Diagram

Exploded View

Parts List