ndoor Unit Installation Verification
Check Item |
Expected Result |
Actual Result |
|---|---|---|
Cabinet |
The cabinet is installed properly, without any tilts. |
□ Passed □ Failed |
The cabinet is secured to the bottom base using bolts as required. |
□ Passed □ Failed |
|
The foreign matter inside the cabinet such as cable ties and stubs is cleaned up. |
□ Passed □ Failed |
|
EC fan |
The fan is secured. |
□ Passed □ Failed |
The fan has no foreign matter inside. |
□ Passed □ Failed |
|
The fan blades rotate properly. |
□ Passed □ Failed |
|
(Optional) Wet film humidifier |
The water inlet solenoid valve is secured reliably and steadily. |
□ Passed □ Failed |
The wet film is secured reliably and steadily. |
□ Passed □ Failed |
|
Water inlet pipes are connected securely without leaks. |
□ Passed □ Failed |
|
Compressor |
The sheet metal for transporting the compressor is removed. |
□ Passed □ Failed |
The bolts on the compressor are tightened. |
□ Passed □ Failed |
|
(Optional) Condensate pump |
The water inlet pipes and drainpipes of the water pump are securely connected without leaks. |
□ Passed □ Failed |
The condensate pump is securely connected to its base. |
□ Passed □ Failed |
|
Liquid level detector |
The liquid level detector is secured. |
□ Passed □ Failed |
The fasteners for the liquid level detector are secured. |
□ Passed □ Failed |
|
The low liquid level detector functions flexibly. |
□ Passed □ Failed |
|
Water pan |
The foreign matter inside the water pan is cleaned up, and water pan filter is not blocked. |
□ Passed □ Failed |
Differential pressure switch |
The cable ties on the differential pressure tubes are secured. |
□ Passed □ Failed |
There is no foreign matter in the differential pressure tubes. The differential pressure tubes are not seriously bent. |
□ Passed □ Failed |
|
Air filter |
The air filter is correctly installed according to the air flow direction on the frame. |
□ Passed □ Failed |
Expected Result |
Actual Result |
|---|---|
Ports are connected correctly. The pipelines have oil trap, inverted traps, gradients (of refrigerant pipes), and pipe supports. |
□ Passed □ Failed |
The hose clamps and cable ties of the condensate water pipe are reliably secured. |
□ Passed □ Failed |
All pipes are secured reliably and steadily. |
□ Passed □ Failed |
All pipes are wrapped with thermal insulation foam, and the insulation foam is intact. |
□ Passed □ Failed |
The water pipe joints are sealed by sealant. |
□ Passed □ Failed |
Check that the needle valve plug is secured (torque of 0.45±0.05 N·m), and valve bonnet is tightened. |
□ Passed □ Failed |
The pipes are not seriously bent. |
□ Passed □ Failed |
Expected Result |
Actual Result |
|---|---|
Cables are intact and not over-bent. |
□ Passed □ Failed |
No open or short circuits, or incorrect connections occur in electrical loops. |
□ Passed □ Failed |
The power cables for the indoor and outdoor units, signal cable, teamwork cable, and T/H sensor cable are connected as required. |
□ Passed □ Failed |
The rated specifications of the upstream general circuit breaker meet the maximum current requirement. |
□ Passed □ Failed |
All cables, connectors, and screws are secured. |
□ Passed □ Failed |
Devices are properly grounded. |
□ Passed □ Failed |