16 Chapter 2 Mechanical Installation
DataMate 3000 Series Air Conditioner User Manual
Tube fitting connection
for humidifier water
inlet 3/4"(20mm)
Humidifier (optional)
drain outlet
O.D.3/4"(20mm)
Discharge line
DME07
line O.D.1/2"
connection O.D.3/4"(20mm)
DME12
line O.D.5/8"
connection O.D.7/8"(22mm)
Liquid line
DME07
line O.D.3/8"
connection O.D.5/9"(16mm)
DME12
line O.D.1/2"
connection O.D.3/4"(20mm)
Figure 2-11 Pipe junctions inside evaporator unit
Note
If optional humidifier is not installed, a P-trap should be connected to the drain connecter of
the evaporator coil.
Connecting evaporator drain line
Use a 20mm(3/4 in.) hose barb connection to connect the drain line to the drain
outlet of the evaporator shown in Figure 2-11, and then trap the line outside the
system room through the cutout shown in Figure 2-10 to a suitable place. The drain
line must be located so it will not be exposed to freezing temperature. The drain
line should be the full size of the drain connection.
Note
The drain line must be trapped outside the unit.
Connecting humidifier drain line (if applicable)
Connect the drain line to the drain outlet of the humidifier shown in Figure 2-11, and
then trap the line outside the system room through the cutout shown in Figure 2-10
to a suitable place. The units supplied with the optional humidifier have a
