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
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Heat Pumps CO2 ORC Heat Pump System Platform More Info
