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4. Unit installation

Attach the unit to the metal control panel box using M4 screws as shown in Fig. 3-2.

4

Wiring

1. Cover Removal and Installation

Remove the three mounting screws and the cover.
Attach the corner to the unit by tightening the three screws indicated in Figure 4-1.

 CAUTION

The unit should be attached on all four corners to prevent it falling down.

 WARNING

• All electric work must be performed according to local regulations. 

Improper electrical work may result in electric shock or fire.

• Be sure to shut off the power source of this unit and all other connected units before wiring.

 CAUTION

Do not connect the AC power line to the M-NET and POWER (24VDC) terminal blocks of this device; otherwise, the unit may fail.

Refer to the AG-150A Installation 
Manual for instructions on how to 
install the unit inside the mounting 
attachment A type (PAC-YG85KTB) 
(sold separately).

M4 (field-supplied)

Fig. 3-2

M4 (accessories)

Fig. 4-1

00gb_WT05372X04_7.book  Page 5  Monday, September 28, 2009  2:03 PM

Summary of Contents for PAC-SC51KUA

Page 1: ... 4 Wiring 5 1 Cover Removal and Installation 5 2 Power line 6 3 DC Power Supply and M NET Transmission Line 6 5 M NET Transmission Lines Length 10 Air Conditioner Control System Power supply unit Model PAC SC51KUA Installation Manual Before using the controller please read this Installation Manual carefully to ensure proper operation Retain this manual for future reference 00gb_WT05372X04_7 book P...

Page 2: ...ectrical work must be performed by a licensed technician according to local regulations and the instructions detailed in this manual Inadequate electric circuit or any deficiency caused by improper installation may result in an electric shock or fire Ask your dealer or an authorized technician to move or reinstall the controller Improper installation may result in an electric shock or fire This ap...

Page 3: ...C DC power supply 24VDC 5 0 0 75A Load capacity 24V Number of the loading unit AG 150A Centralized Controller 1 unit Environmental conditions Temperature Operating range 10 to 55ºC 14 to 131ºF Storage range 20 to 60ºC 4 to 140ºF Humidity 30 90 RH No condensation Dimensions 169 H 271 W 72 D mm 6 11 16 H 10 11 16 W 2 7 8 D in Weight 1 4 kg 3 1 8 lbs Installation Environment In the metal control pane...

Page 4: ... 3 3 External Dimensions TB2 TB3 TB1 271 10 11 16 90 3 9 16 155 6 1 8 130 5 1 8 169 6 11 16 72 2 7 8 T Unit mm in 00gb_WT05372X04_7 book Page 3 Monday September 28 2009 2 03 PM ...

Page 5: ...arately Refer to the AG 150A Installation Manual for details Field supplied Parts Specification Attachment screw M4 screw 4 pieces For wall mounting the unit Power cable Ground cable Use sheathed vinyl cord or wire Wire type Wire should not be lighter than standard PVC sheathed flexible cord IEC 60227 designation 60227 IEC 53 Wire size 0 75mm to 2mm AWG18 to 14 Main power switch Breaker for wiring...

Page 6: ...t be performed according to local regulations Improper electrical work may result in electric shock or fire Be sure to shut off the power source of this unit and all other connected units before wiring CAUTION Do not connect the AC power line to the M NET and POWER 24VDC terminal blocks of this device otherwise the unit may fail Refer to the AG 150A Installation Manual for instructions on how to i...

Page 7: ...ble 2 Use L N in EU Use L1 L2 in the U S Use a ring terminal to connect to the terminal block Fig 4 2 Ground terminal Power cable 1 1 Install ground fault interrupter and breaker for wiring on the power supply 2 Do not use anything other than a breaker and fuse with the correct capacity Using a fuse or wire of too large capacity may cause malfunction or fire 3 Note When installing the unit use the...

Page 8: ...xture CAUTION Both of PAC SC51KUA and Outdoor unit can supply DC power to the M NET transmission line Set the outdoor unit central control system transmission line power supply to the factory setting CN41 no supply For further details refer to the outdoor unit installation manual Failure to do so may cause unit malfunction or fire Power supply unit PAC SC51KUA Centralized controller AG 150A M NETt...

Page 9: ... 24VDC Power supply unit PAC SC51KUA Centralized controller AG 150A Cable Clamp DC power supply line 24VDC Polarized Use a ring terminal to connect to the terminal block Back of controller 50 m 164 ft or less Fig 4 5 Function earthing ground line DC power supply line Polarity Power supply unit DC power supply line Polarity HUB LAN PAC YG50ECA TB7 OUTDOOR UNIT 00gb_WT05372X04_7 book Page 8 Monday S...

Page 10: ... controller AG 150A Only use the M NET output TB2 or CN1 CAUTION The 24 VDC power supply is for exclusive use with the centralized controller AG 150A Power supply unit PAC SC51KUA Centralized controller AG 150A DC power supply line 24VDC Polarized DC power supply line 24VDC Polarized Fig 4 6 00gb_WT05372X04_7 book Page 9 Monday September 28 2009 2 03 PM ...

Page 11: ...pment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equip...

Page 12: ... Paper Please be sure to put the contact address telephone number on this manual before handing it to the customer This product is designed and intended for use in the residential commercial and light industrial environment The product at hand is based on the following EU regulations Low Voltage Directive 2006 95 EC Electromagnetic Compatibility Directive 2004 108 EC 00gb_WT05372X04_7 book Page 11...

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