Maintenance
Note: Be sure power is isolated and refrigerant is recovered before removing the Electronic Expansion Valve
Step
7. Check and open the upper
and side panels.
Removal of IDU Major Components
Air handler Unit
Note: Be sure power is isolated and refrigerant is recovered before removing the Electronic Expansion Valve
Step
1. Remove the upper
panel
2. Remove the electric
box.
74
Electronic Expansion Valve Removal
Picture
Electric Box Disassembly and Assembly
Picture
CONNECT SERIES SERVICE MANUAL
Work instruction
Check whether each component and
connection wire is well connected.
If everything is OK, install the upper,
left and right panels. Tighten up the
screws.
Work instruction
Loosen screws around the upper panel
with a screwdriver.
Remove the upper panel away from
the unit.
Disconnect the power cord and
control line from the wiring terminals,
and then draw them out.
Loosen screws around the electric box
with a screwdriver.
Remove the electric box from the unit.