©2020 Carrier Corp. All rights reserved. Edition Date: 02/21 Catalog No:25VNA4-03SIReplaces: 25VNA4-02SI25VNA4: Installation InstructionsManufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.22FINAL CHECKSIMPORTANT: Before leaving job, be sure to do the following:1. Ensure that all wiring is routed away from tubing and sheet metaledges to prevent rub-through or wire pinching.2. Ensure that all wiring and tubing is secure in unit before addingpanels and covers. Securely fasten all panels and covers.3. Tighten service valve stem caps to 1/12-turn past finger tight.4. Leave Users Manual with owner. Explain system operation andperiodic maintenance requirements outlined in manual.5. Fill out Dealer Installation Checklist and place in customer file.CARE AND MAINTENANCEFor continuing high performance and to minimize possible equipmentfailure, periodic maintenance must be performed on this equipment.Frequency of maintenance may vary depending upon geographic areas,such as coastal applications. See Owner's Manual for information.TrainingMy Learning Center is your central location for professional residential HVAC training resources that help strengthen careers and businesses. Webelieve in providing high quality learning experiences both online and in the classroom.Access My Learning Center with your HVACpartners credentials at www.mlctraining.com. Please contact us a mylearning@carrier.com withquestions.The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Carrier Corporation isunder license. Other trademarks and trade names are those of their respective owners.