Note: firstly please cut off the power supply and discharge refrigerant out of the unit.
AG4HP081PH; AG4HP101PH; AG4HP121PH; AG4HP141PH; AG4HP161PH; AG4HP103PH; AG4HP123PH;
AG4HP143PH; AG4HP163PH
Remove the cover of both the electic box and the
inductance box.
Remove the electric box and the inductance box.
Remove fastening bolts, desolder the joints between the
plate heat exchanger gas/liquid pipe and the refrigerant
system, and then remove the water system. (when
desoldering the connection joint, pay attention to covering
the solder joints with a damp cloth to avoid high
temperature damage).
Remove the 4-way valve.
• Loosen the screws fixing the coil of 4-way valve
• Remove the coil of 4-way valve
• Unsolder the tubes connected to the 4-way valve.
• Remove the 4-way valve.
• Note:when desoldering the connection joint, pay attention
to covering the solder joints with a damp cloth to avoid
high temperature damage.