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18-BC108D1 -1 B-EN <br /> TR E c' <br /> Installer's Guide <br /> Heat Pumps <br /> 4TWX5 <br /> ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES <br /> IMPORTANT—This Document is customer property and is to remain with this unit. Please return to service informa- <br /> tion pack upon completion of work. <br /> These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with <br /> the installation.Should further information be desired or should particular problems arise which are not covered sufficiently for the <br /> purchaser's purposes, the matter should be referred to your installing dealer or local distributor. <br /> Note:The manufacturer recommends installing only approved matched indoor and outdoor systems.All of the manufacture's split <br /> systems are A.H.R.I. rated only with TXV/EEV indoor systems.Some of the benefits of installing approved matched indoor and <br /> outdoor split systems are maximum efficiency, optimum performance and the best overall system reliability. <br /> Table of Contents <br /> Section1. Safety.....................................................................................2 <br /> Section 2. Unit Location Considerations .............................................3 <br /> Section 3. Unit Preparation....................................................................5 <br /> Section 4. Setting the Unit.....................................................................5 <br /> Section 5. Refrigerant Line Considerations.........................................6 <br /> SIRSection 6. Refrigerant Line Routing .....................................................7 <br /> Section 7. Refrigerant Line Brazing. 8 ����� <br /> Section 8. Refrigerant Line Leak Check.............................................10 <br /> Section 9. Evacuation ............................. 11 <br /> Section 10. Service Valves ..................................................................11 <br /> Section 11. Electrical - Low Voltage...................................................13 <br /> Section 12. Electrical - High Voltage 15 <br /> Section 13. Start Up..............................................................................16 <br /> Section 14. System Charge Adjustment.............................................17 ���� I <br /> ����� <br /> Section 15. Checkout Procedures and Troubleshooting.................. <br /> 22 �� <br />