Concentrated Drainage; Drainage Testing - Trane MWD507 Installation & Operation Manual

Installation of refrigerant pipe

Concentrated drainage

Please select the drainage pipe with a diameter adapting to the running capacity of the unit.
Without drainage pump:
With drainage pump:
When 3 or more indoor units are installed, a main air vent is provided for the indoor unit having a
farthest distance from the main drainage pipe.

Drainage testing

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•
•
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18
(Slim line) Duct type
≥100
Suspension
Indoor unit
Main drainage
Check the smoothness of drain after installation. Check the drain state by fi lling about 2 L water
into the drain pan of the indoor unit as shown in the following fi gure;
Set up the model of the drainage pump, run the unit in cooling mode, and check pumping;
Check the drain at the end of the drainage pipe. Make sure that the condensate water drains
smoothly, and no water leakage exists.
After completion of testing, insulate the condensate pipe.
Indoor unit Indoor unit
Concentrated drainage pipe,
gradient ≥ 1/100
1 ~ 1.5m
Indoor unit
Concentrated drainage pipe,
gradient ≥ 1/100
Indoor unit
Ceiling
Main air vent
≤500
Indoor unit
Ceiling
Drainage
pipe
AMS-SVX04A-EN