Shenzhen Envicool Technology Co., Ltd.
Fig. 2-21 Installation drawing (when the IF outdoor unit is lower than the indoor unit)
2.5 Pipe connection and refrigerant requirement
The pipes to be connected are as follows:
1. The water drainage pipe of indoor unit.
2. Humidifier of water supply pipe.
3. Refrigerant connecting copper pipe: thermal-insulating refrigerant connecting copper pipe
for the indoor unit and outdoor unit, including the gas side pipe and liquid side pipe.
1. Before starting the equipment, check and ensure that there is no leakage or seepage from all
the connected pipes and joints.
2. The water drainage pipe of the unit shall not be higher than the water drainage outlet of the
humidifier.
2.5.1 Water drainage pipe of indoor unit
The specifications for the condensing water drainage pipe of the indoor unit are 26mm (outer
diameter)-19mm (inner diameter). The external pipe shall be fixed with the pipe hoop. The
water drainage pipe shall not be placed in a place where the temperature is lower than 0ºC. The
fixation of the water drainage pipe shall comply with the local or state engineering regulations.
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