Table Of Contents - Nobu NBL4-18IDU32 Service Manual

Wall mounted air-conditioning unit
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Service Manual
2.2 Operation Characteristic Curve ...................................................................................... ..6
2.3 Capacity Variation Ratio According to Temperature ....................................................... ..6
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................7
2.5 Noise Curve ......................................................................................................................8
3.1 Indoor Unit ........................................................................................................................9
3.2 Outdoor Unit ...................................................................................................................10
5.1 Wiring Diagram ...............................................................................................................12
5.2 PCB Printed Diagram .....................................................................................................14
6.1 Remote Controller Introduction.................... ...................................................................16
6.2 Preparation before operation................................. .........................................................16
6.3 Introduction of operation function................. ...................................................................16
6.4 Introduction of special functions................ ......................................................................18
6.4 Brief Description of Modes and Functions ......................................................................20
8.1 Installation Dimension Diagram ......................................................................................33
8.2 Installation Parts-checking ............................................................................................35
8.3 Selection of Installation Location ....................................................................................35
8.4 Requirements for electric connection .............................................................................35
8.5 Installation of Indoor Unit ................................................................................................35
8.6 Installation of Outdoor unit .............................................................................................38
8.7 Vacuum Pumping and Leak Detection ...........................................................................39
8.8 Check after Installation and Test operation ....................................................................39

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Service Manual
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