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.
Make sure that this manual is passed on to the end users.
<ORIGINAL>
WT08219X05.book 1 ページ ２０１８年１０月１日 月曜日 午後７時４７分
Summary of Contents for QAHV
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