Mitsubishi Electric QAHV-N560YA-HPB User Manual

CONTENTS
Safety Precautions ................................................................2
1. Selecting the Installation Site ............................................6
[1] Installation Conditions...................................................6
[2] Installation Space Requirements ..................................7
[3] System installation restrictions......................................9
2. Unit Installation ................................................................10
3. Water Pipe Installation.....................................................11
[1] Schematic Piping Diagram and Piping System
Components ...............................................................11
[2] Notes on Pipe Corrosion.............................................13
[3] Water Pipe Hole Size and Location ............................14
[4] Pipe gradient and air venting valve (Outlet hot water
pipe)............................................................................14
[5] Outlet check valve (When installing multiple units).....14
[6] Secondary side control system...................................15
4. System Configurations ....................................................22
[1] Schematic Diagrams of Individual and Multiple
Systems ......................................................................22
[2] Switch Types and the Factory Settings.......................23
[3] Configuring the Settings..............................................25
[4] Air bleeding operation and flow rate adjustment
operation during test run.............................................33
5. Electrical Wiring Installation.............................................51
[1] Main Power Supply Wiring and Switch Capacity ........51
[2] Wiring for Configuring Secondary Side Control
System........................................................................53
[3] Cable Connections......................................................54
6. Troubleshooting...............................................................60
[1] Diagnosing Problems for which No Error Codes Are
Available .....................................................................60
[2] Diagnosing Problems Using Error Codes ...................61
[3] Calling for Service.......................................................66
7. Operating the Unit ...........................................................67
[1] Initial Operation...........................................................67
[2] Daily Operation ...........................................................67
[3] Using the Remote Controller.......................................68
[4] Using the Unit in Sub-freezing or Snowy Conditions ..79
8. Main Specifications..........................................................80
Hot Water Heat Pump Unit QAHV
Installation/Operation Manual
QAHV-N560YA-HPB
Thoroughly read this manual prior to use.
Save this manual for future reference.
Some of the items in this manual may not apply to made-to-order units.
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<ORIGINAL>
WT08219X05.book 1 ページ ２０１８年１０月１日 月曜日 午後７時４７分

Mitsubishi Electric QAHV-N560YA-HPB Specifications

General

Brand	Mitsubishi Electric
Model	QAHV-N560YA-HPB
Category	Heat Pump
Language	English

Summary

Selecting the Installation Site

[1] Installation Conditions

Specifies site requirements for optimal operation, safety, and accessibility.

[2] Installation Space Requirements

Details clearance dimensions for single and multiple unit installations.

[3] System installation restrictions

Covers limitations on piping length, height, and system configurations.

Water Pipe Installation

[1] Schematic Piping Diagram and Piping System Components

Illustrates water piping layout and lists essential components with their functions.

[2] Notes on Pipe Corrosion

Discusses water quality control to prevent scaling and corrosion of the heat exchanger.

[3] Water Pipe Hole Size and Location

Specifies dimensions and placement for water pipe entry and exit points.

[4] Pipe gradient and air venting valve (Outlet hot water pipe)

Details pipe slope and air vent installation for efficient water circulation.

[5] Outlet check valve (When installing multiple units)

Explains the necessity of check valves for parallel multi-unit installations.

[6] Secondary side control system

Covers components and configurations for the secondary side water circuit control.

System Configurations

Test run procedural flow

Outlines the sequence for system startup, air bleeding, and flow rate adjustment.

[1] Schematic Diagrams of Individual and Multiple Systems

Shows wiring diagrams for single and multi-unit system setups.

[2] Switch Types and the Factory Settings

Identifies switches on the PCB and their default/configurable settings.

[3] Configuring the Settings

Details the process of setting system parameters using switches and the LED display.

[4] Air bleeding operation and flow rate adjustment operation during test run

Provides step-by-step procedures for air bleeding and flow rate adjustment.

Electrical Wiring Installation

[1] Main Power Supply Wiring and Switch Capacity

Covers power supply requirements, wire sizing, and protection device specifications.

Control cable specifications

Details cable types, sizes, and lengths for remote controllers and M-NET communication.

[2] Wiring for Configuring Secondary Side Control System

Explains how to connect secondary side components like flow sensors and pumps.

[3] Cable Connections

Illustrates unit wiring, terminal block arrangement, and conduit tube installation.

Troubleshooting

[1] Diagnosing Problems for which No Error Codes Are Available

Guides on identifying and resolving issues without specific error codes.

[2] Diagnosing Problems Using Error Codes

Lists error codes, their causes, and methods for troubleshooting.

[3] Calling for Service

Provides information needed when contacting service personnel for unresolved issues.

Operating the Unit

[1] Initial Operation

Steps for the first-time start-up and pre-operation checks.

[2] Daily Operation

Instructions for starting and stopping the unit during normal daily use.

[3] Using the Remote Controller

Explains how to operate the unit via the remote controller interface.

<3> Using Weekly timer

Details how to set daily operating schedules for the unit.

<4> Using Period timer

Covers setting operation schedules for specific time periods.

<5> Using Power Save

Explains how to use the Power Save function to reduce energy consumption.

<6> Function setting

Guides on setting various unit functions via the remote controller.

<7> Operation status monitoring

Describes how to check the operational status and parameters of the unit.

[4] Using the Unit in Sub-freezing or Snowy Conditions

Provides precautions and procedures for operating the unit in cold or snowy environments.

Main Specifications

Specifications Table

Lists technical data, electrical ratings, dimensions, and performance parameters.