Now that both the indoor and outdoor unit had been installed, the unit was ready to be pressure tested. This ensures all the connections are good so that when the refrigerant is added it won’t leak out. To test out his connections, Xringer decided to pressurise the system with nitrogen. So, first he [...]Post from:
EcoRenovator.org
DIY Sanyo Air Source Heat Pump Install – Pressure Testing & Adding Refrigerant
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