Installation & User’s Manual

1 DUCTLESS MINI split SYSTEM AIR CONDITIONER / HEAT PUMP. WYT Inverter Series For 9,000-36,000 BTU/hr Systems Installation &. User's Manual CS78421-548-754. IMPORTANT NOTICE: Please read this Manual carefully before installing or operating your new air conditioning system. Be sure to save this Manual for future reference. Table of Contents Installation Manual 0 Safety 4. 1 System 6. 2 Included 7. 3 Indoor Unit 8. 4 Operating 9. 1. Remote Buttons 9. 2. Remote Controller LED Screen And 10. 3. Handling the Remote 11. 4. Controlling the System's 12. 5.

2 Indoor Unit Mode 13. 6. Extra Options and 15. 7. Managing the Timer 17. 8. Other 18. 9. Operating Temperature 20. 5 Maintenance 21. 6 Indoor Unit 22. 1. Pre-Mounting 22. 2. Mounting the Plate and Drilling the Wall 23. 3. Preparing the Refrigerant 26. 4. Connecting the Drain 27. 5. Preparing the Signal 28. 6. Routing the Copper Lines and Mounting the 29. 7 Outdoor Unit 30. 1. Outdoor Unit Installation Location 30. 2. Mounting 31. 3. Electrical Wiring of the Outdoor 32. 4. Connection of Refrigerant 34. 5. Evacuating the 37. MC MC. 8 Leak Check/Test 39.

3 1. Electrical and Gas Leak 39. 2. Test 40. 9 41. A 42. 1. Anchoring the Outdoor Unit 42. 2. Guidelines for Drilling the Wall 43. 3. Simplified Wiring 44. 4. European Disposal 45. Safety Precautions Read and Understand All Safety Precautions Prior to Installation Improper Installation due to negligence of instructions may result in serious damage or injury. The magnitude of potential damages or injuries is classified as either a WARNING or a CAUTION. This symbol indicates that ignoring the related instructions may cause death, or serious injury. WARNING.

4 This symbol indicates that ignoring the related instructions may cause moderate injury to nearby persons, and/or damage to your appliance or other property. CAUTION. This symbol indicates that you must never perform the action shown. DANGER. WARNING. Do not power the system using an extension cable or with wiring smaller than the specified gauge. Do not share the electrical circuit with other appliances. Improper or insufficient power supply can cause undesirable operation, fire, or electrical shock. When connecting refrigerant piping, do not let any substances or gases other than the specified refrigerant enter the unit.

5 The presence of other gases or substances will lower the unit's capacity, and can cause abnormally high pressure in the refrigeration cycle. This can also cause explosion and injury, as well as permanent equipment failure. Remember: No dust, humidity or air is allowed to enter. Do not allow children to play with or around the air conditioner. Children near the unit must be supervised at all times. 1. Installation must be performed by a licensed and trained technician. Defective Installation can cause water leakage, electrical shock, or fire. The usage of proper tools is a requirement.

6 2. Installation must be performed according to the Installation instructions. Improper Installation can cause water leakage, undesired performance, electrical shock, or fire. (In North America, Installation must be performed in accordance with the requirements of NEC and CEC, by authorized personnel only.). 3. Contact a qualified and licensed HVAC technician for any repairs or maintenance of this unit. 4. Only use the included accessories, parts, and specified items for Installation . Using non-standard parts can cause water leakage, electrical shock, fire, and can cause total unit failure.

7 5. Install the unit on top of a firm structure that can fully support its weight. If the chosen location cannot support the unit's weight, or the Installation is not done properly, the unit may fall and cause serious injury and damage. Page 4 . WARNING. 6. For all electrical work, follow all local and national wiring standards, regulations, and especially this Installation Manual . You must use an independent circuit and a dedicated breaker to supply power. Do not connect other appliances to the same circuit. Insufficient electrical capacity or defects in electrical work can cause electrical shock or fire.

8 7. For all electrical work, use the specified cables. Connect cables tightly, and clamp them securely to prevent external forces from damaging the terminals. Improper electrical connections can overheat and cause fire, and may also cause shock. 8. All wiring must be properly arranged to ensure that the control board cover can close properly. If the control board cover is not closed properly, it can lead to corrosion and cause the connection points on the terminal to heat up, catch fire, or cause electrical shock. 9. In certain functional environments, such as kitchens, server rooms, etc.

9 , the use of specially designed air-conditioning units is highly recommended. This is intended as a general comfort cooling system. 10. If the supply cord is damaged, it must be replaced by a certified service agent or similarly qualified technicians, in order to avoid a hazard. 11. This appliance can be used by children aged 8 years and above, as well as persons with reduced physical, sensory, or mental capabilities, or lack of experience or knowledge, if they have been given supervision or instruction concerning use of the appliance in a safe way, and understand the hazards involved.

10 Children shall not play with or near the appliance. Cleaning and user maintenance shall not be done or attempted by children or untrained personnel without proper supervision. CAUTION. For units that have an auxiliary electric heater, do not install the unit within 1 meter (3 feet) of any combustible materials. Do not install the unit in a location that may be exposed to combustible gas leaks. If combustible gas accumulates around the unit, it may cause fire. Do not operate your air conditioner in a highly humid space, such as bathrooms or laundry rooms.