ERV+DX coil
24
Figure 3-9 Drainage test
2) Then use a sprayer to spray about 1L of water into the evaporator of the unit
through the fresh air opening. Observe from the service panel whether the
unit can drain water smoothly. Make sure there is no leakage.
(2) Start the water pump of the unit and test if drainage of water pump is smooth.
Startup method of water pump is as follow.
1) If the unit has completed project debugging, switch the indoor unit to cooling
or dehumidification mode, at this time, water pump will operate automatically.
2) Confirm if water flows out from drainage pipeline correctly and observe the
connection pipe carefully to see if there’s no leakage. After the test, remove
the temporary drainage hose and stuff the water tray stuff (if natural drainage
hole is not used).
(3) After the drainage system is checked OK, perform thermal insulation for the
drainage hose and pipe clamp.
3.5 Engineering Design
3.5.1 Engineering Design
(1) The inner filter and heat exchange filter core of the unit should be replaced
periodically. To facilitate the maintenance of the key parts of the unit, please
reserve some space for maintenance according to the following diagram.
Dimensions of the maintenance space are as below.
Summary of Contents for GMV-VDR10PH/SA-S
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