Table Of Contents - Hitachi RUA-NP4ATS Instruction Manual

No. Item .................................................................................................
Operation Instructions .......................................................................... Ⅰ
1. PREPARATION ..................................................................................... 1
1.1 Initial Check ..............................................................................................................
1.2 Transportation ..........................................................................................................
1.3 Placing the Unit ........................................................................................................
2. INSTALLATION ..................................................................................... 3
2.1 Ducting Arrangement ...............................................................................................
2.2 Condensate Drain Piping .........................................................................................
3. ELECTRICAL WIRING .......................................................................... 4
3.1 Main Power Wiring Procedures ................................................................................
3.2 Control Wiring ..........................................................................................................
3.3 Printed Circuit Board (PCB) Layout ..........................................................................
4. FAN SPEED ADJUSTMENT ................................................................. 9
5. REMOVING SHIPPING WASHERS .................................................... 10
6. TEST RUNNING .................................................................................. 11
6.1 Final Installation Check ..........................................................................................
6.2 Preparation .............................................................................................................
6.3 Test Running ..........................................................................................................
6.4 Test Running Record .............................................................................................
6.5 Safety and Control Device Setting..........................................................................
7. MAINTENANCE ................................................................................... 16
8. WINTER SHUTDOWN ......................................................................... 17
9. REPLACEMENT OF PARTS ............................................................... 17
10. TROUBLESHOOTING ......................................................................... 19
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