Plantronics R-410A manual Electrical Connections for Indoor and Outdoor Units, Indoor Unit

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ELECTRICAL CONNECTIONS FOR INDOOR AND OUTDOOR UNITS

INDOOR UNIT

1.The indoor unit is powered from the outdoor unit. A sufficient length of conduit and wiring shall be used from the outdoor unit to the indoor unit.

2.To access the terminal block inside the indoor unit, remove the screw on the cover plate. (See Fig. A.)

3.Connect the inter unit conductors to terminals marked 1,2,3, on the indoor unit corresponding to the same numbered terminals from the outdoor unit. (See Fig.B.)

Figure A

Terminal block

 

Figure B

Terminal block of indoor unit

Cover plate

OUTDOOR UNIT

1.Two conduit connection openings are provided on the outdoor unit: one for incoming power supply and the second one for the inter unit wiring.

2.Remove the terminal box cover to access the terminal block.

3.Connect the power supply conductors to terminal marked L1, N or L1, L2, and the grounding wire to terminal marked .

4.Connect the inter unit conductors to terminals marked , 3, 2, 1.

9SRA-HE 12SRA-HE 15SRA-HE (115V - 60Hz)

18SRA-HE 24SRA-HE (208-230V - 60Hz)

ConduitConduit connectors

Incoming power supply

To indoor unit

ConduitConduit connectors

Incoming power supply

To indoor unit

Installation & service manual _8

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Contents 410A IMPORTANT! Please Read Before Starting Electrical Safety / alertContents About outdoor unit Safety ConsiderationsGeneral About the indoor unitAccessories in the Outdoor Unit Case AccessoriesAccessories in the Indoor Unit Case Incorrect Correct Installation Recommendations Indoor Unit24 3/8 13 3/8 Installation Recommendations Outdoor UnitElectrical Installation 9SRA-HE 12SRA-HE 15SRA-HE 115V 60Hz Wiring System Diagrams18SRA-HE 24SRA-HE 208-230V 60Hz Indoor Unit Electrical Connections for Indoor and Outdoor UnitsRefrigeration Line Connections When connecting the refrigerant tubingGeneral Information Refrigerant R410A Special Precautions When Installing UnitGeneral Precautions Refrigerant leaking Tubing PrecautionsFlare nut size and tightening torque Tightening Refrigerant Piping ConnectionsSystem Evacuation Models Additional Charge and DistanceGAS Leak Check 000-12 000 BTU 15 000-18 000-24 000 BTU Checking and Testing OperationsSpecifications Technical SpecificationsIndoor unit Outdoor unit Outline and DimensionsParts Diagram Indoor Unit 9SRAI-HE 12SRAI-HE 15SRAI-HE 18SRAI-HE 24SRAI-HE Parts List Inside UnitParts Diagram Outdoor Unit 9SRAO-HE 12SRAO-HE 15SRAO-HE 18SRAO-HE 24SRAO-HE Parts List Outside UnitPage 8201 W. Calumet Road, Milwaukee, WI 53223 USA

R-410A specifications

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