Table Des Matières - Mitsubishi Electric QAHV Série Manuel D'installation & D'instructions

Safety Precautions ........................................................................................................... 3
1. Selecting the Installation Site ....................................................................................... 8
[1] Installation Conditions...........................................................................................................8
[2] Installation Space Requirements ..........................................................................................9
[3] System installation restrictions............................................................................................11
2. Unit Installation........................................................................................................... 12
3. Water Pipe Installation ............................................................................................... 13
[1] Schematic Piping Diagram and Piping System Components .............................................13
[2] Notes on Pipe Corrosion.....................................................................................................15
[3] Water Pipe Hole Size and Location ....................................................................................16
[4] Pipe gradient and air venting valve (Outlet hot water pipe) ................................................16
[5] Outlet check valve (When installing multiple units).............................................................17
[6] Secondary side control system ...........................................................................................17
4. System Configurations ............................................................................................... 24
[1] Schematic Diagrams of Individual and Multiple Systems ...................................................24
[2] Switch Types and the Factory Settings...............................................................................25
[3] Configuring the Settings......................................................................................................27
[4] Air bleeding operation and flow rate adjustment operation during test run.........................36
5. Electrical Wiring Installation ....................................................................................... 53
[1] Main Power Supply Wiring and Switch Capacity ................................................................53
[2] Wiring for Configuring Secondary Side Control System .....................................................54
[3] Cable Connections..............................................................................................................55
6. Troubleshooting.......................................................................................................... 61
[1] Diagnosing Problems for which No Error Codes Are Available ..........................................61
[2] Diagnosing Problems Using Error Codes ...........................................................................62
[3] Calling for Service...............................................................................................................67
7. Operating the Unit ...................................................................................................... 68
[1] Initial Operation...................................................................................................................68
[2] Daily Operation ...................................................................................................................68
[3] Using the Remote Controller...............................................................................................69
[4] Using the Unit in Sub-freezing or Snowy Conditions ..........................................................80
8. Main Specifications .................................................................................................... 81
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