Carrier 42CN Installation, Operation And Maintenance Instructions
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Carrier 42CN Installation, Operation And Maintenance Instructions

Carrier 42CN Installation, Operation And Maintenance Instructions

Bruschless dc motor fan coil unit
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Summary of Contents for Carrier 42CN

  • Page 1 —15—...

  • Page 2: Table Of Contents

    4. Water connections …………………………………………………………………… 3 5. Electrical connections ……………………………………………………………… 4 6. Jumper ………………………………………………………………………………… 4 7. Room Controller ……………………………………………………………………… 7 8. Operation ……………………………………………………………………………… 7 9. Maintenance …………………………………………………………………………… 8 10. Service Clause ……………………………………………………………………… 9 11. Carrier Product Maintenance Record Warranty Card ……………………… 12 —14—...

  • Page 3: General Information

    Unit operation  In order to avoid electric shock, fire or injury, stop the unit and disconnect the safety switch in case of abnormal events (such as smell of burning) and call Carrier Service for further instructions.  Do not place containers filled with liquids or other objects onto the unit.

  • Page 4: Warnings: Avoid

    - Unusual noise during operation; - Frequent operation of the protection devices; - Unusual smell (such as smell of burning). Choosing the installation site  The unit is for indoor installation.  Choose an area free from obstructions which may cause irregular air distribution and/or return.

  • Page 5: Water Connections

     Drill four holes for the screw anchors close to the four side hooks.  Hook the unit on the screw anchors in the ceiling with  10 screw.  Adjust the screws to make certain the fan coil is horizontally leveled. ...

  • Page 6: Electrical Connections

    Electrical connections IMPORTANT: DO NOT connect units of two or more different models into one switch. Verify the switch capacity before proceeding connections of multiple same model units into one switch.  Make earth connection prior to any other electrical connections. ...
  • Page 7 minimum RPM of auto fan mode, details see Table 2. Jumper switch up is ON and down is OFF. The position of DIP1 shows below: Fig 4 for single motor; Fig 5 for dual motor. (Fig 4) Single Motor (Fig 5) Dual Motor Site Function Description...
  • Page 8 2. DIP2 Setting Default setting by factory at minimum rpm: Single motor: 790rpm Dual motor: 960rpm The rpm should be reset on job site follow the table below for different unit sizes, table 3 for single motor, table 4 for dual motor. The position of DIP2 shows below: Fig 6 for single motor, Fig 7 for dual motor.

  • Page 9: Room Controller

    UNIT DIP2-6 DIP2-5 DIP2-4 DIP2-3 DIP2-2 DIP2-1 12Pa 42CN008 30Pa 1090 50Pa 1240 12Pa 1060 42CN010 30Pa 1160 50Pa 1320 12Pa 1060 42CN012 30Pa 1180 50Pa 1280 (Table 4) Room Controller User should operate room controller following specification.  User main power supply: 220~230VAC, 50/60Hz ...
  • Page 10 (Fig 8) (Fig 9) —8—...

  • Page 11: Maintenance

    3. Important (1). For the repairs to failures caused by any reasons, warranty card is required. (2). If the warranty range is exceeded, Carrier promises to repair with a certain amount of fee. Contact the maintenance department of Carrier for details.
  • Page 12 Carrier Product Maintenance Record Warranty Card First Maintenance Record Maintenance Date: Failure Description: ____________________________________________________ ____________________________________________________ ____________________________________________________ Maintenance Description: ____________________________________________________ ____________________________________________________ ____________________________________________________ Maintainer Signatory: _________________ Second Maintenance Record Maintenance Date: Failure Description: ____________________________________________________ ____________________________________________________ ____________________________________________________ Maintenance Description: ____________________________________________________ ____________________________________________________ ____________________________________________________ Maintainer Signatory: _________________...
  • Page 13 Third Maintenance Record Maintenance Date: Failure Description: ____________________________________________________ ____________________________________________________ ____________________________________________________ Maintenance Description: ____________________________________________________ ____________________________________________________ ____________________________________________________ Maintainer Signatory: _________________ —11—...

  • Page 14: Carrier Product Maintenance Record Warranty Card

    Ex Factory Date: _________________________________________________ Shanghai Yileng Carrier Air Conditioning Equipment Co., Ltd. Inspection Dedicated Seal 1. This card is effective after sealed by Carrier 2. After the user has filled this card, return a copy to Carrier to file. —12—...
  • Page 15 Product Manufacturer: Shanghai Yileng Carrier Air Conditioning Equipment Co.,Ltd. 2012.10 99TH42CN02D 868 Yangtai Road, Baoshan, Shanghai, China We will make renovation continuously to make the products better fit the clients. We reserve the right to change the data without notice.

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