Bleed the air and humidity from the refrigerant circuit. Clear away the caps within the 2-way and 3-way valves and with the support port and connect a vacuum pump hose to your services port. Verify the electrical wiring inside the outside device. Take out the cover to the condenser. Consult https://airconditioninginstallati79012.dm-blog.com/26607936/detailed-notes-on-air-conditioning-installation-lancashire