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Table of Contents
Original Instruction ................................................................................................................ 4
Precautions for safety ............................................................................................................ 5
Refrigerant Cycle Diagram .................................................................................................. 10
Product outline and GA drawings ....................................................................................... 11
Unit Lifting & Handling.......................................................................................................... 11
Unpack & check product condition ....................................................................................... 12
GA Drawings ........................................................................................................................ 13
Installation site selection ..................................................................................................... 16
Unit Installation ..................................................................................................................... 17
Air distribution ...................................................................................................................... 17
Refrigerant piping process. .................................................................................................. 20
Electrical System .................................................................................................................. 32
Field wiring & Electrical connections .................................................................................... 32
Quick check table ................................................................................................................. 32
Recommended wire size ...................................................................................................... 33
CDU Wiring Diagram............................................................................................................ 33
Do’s & Don’ts for data communication ................................................................................. 35
Know your product ............................................................................................................... 36
Applied Control and functions (including circuit configurations) .................................... 39
CDU PCB details ................................................................................................................. 39
FCU PCB details .................................................................................................................. 40
Corded remote ..................................................................................................................... 40
Cordless remote (Optional) .................................................................................................. 44
Controller Details ................................................................................................................. 46
Troubleshooting Guide ......................................................................................................... 54
Troubleshooting Guide ......................................................................................................... 54
Error code List ...................................................................................................................... 57
Services & maintenance/ Safety consideration/ General maintenance ........................... 61
Sensor positions ................................................................................................................... 68
Annexure 1 - Exploded view and part code list .................................................................. 71
Annexure 2 - Lock out Tag out method (LOTO).................................................................. 89
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