McQuay MQS-174018-CFC216A Installation And Operation Manual page 27

5.5.2 Installing the Drain Pipes
(1). For determining the position of the drain hose, perform the following
procedures.
(2). Insert the drain pipe to the drain outlet of the unit and then tighten the clamp
securely with tape. (Fig. 4.21)
(3). Connect the extension drain pipe to the drain pipe and then tighten the clamp
with tape.
Fig. 4.21
Tighten the clamp until the screw head is less than 4 mm from the hose.(Fig. 4.22)
①- Metal clamp ②- Drain hose
Insulate the pipe clamp and the drain hose using heat insulation sponge.(Fig. 4.23)
①- Metal clamp ②- Insulation sponge
(4). When drain hose requires extension, obtain an extension hose commercially
available.
(5). After connecting the local drain hose, tape the slits of the heat insulation tube.
(6). Connect the drain hose to the local drain pipe. Position the inter connecting
wire in the same direction as the piping.
5.5.3 Connecting the Drain Hose
(1). Connect the extension auxiliary
pipe to the local piping.
(2). Prepare the local piping at the
connection point for the drain
pipe, as shown in the installation
drawings.
Note: Be sure to place the drain hose as shown in the diagram below, in a downward
sloping direction.
DC Inverter U-match Series Floor Ceiling Type Unit
Fig. 4.22
③- Grey tape
25
Fig. 4.23
Fig. 4.24