McQuay MDS080B R Installation Manual page 13

Wall
Refrigerant pipe & drain pipe
(come out from top panel)
（ 3 ） To install the refrigerant and drain piping as shown above;
（ 4 ） To install the electrical expansion valve as same as the horizontal installation ;
● ● ● ● Installation of drain piping
a) Slope is a must and shall be 1/100;
b) To fix the drain piping to use screw bolt;
c) After installation , to run the water leakage test is a must;
d) Only in cooling mode, there is a need to detect the status of drainage;
6.2.5 Installation of MWM-T series indoor unit
● To check the accessories are ready
● To choose the location for installation
The indoor unit must be installed in such a way so as to
prevent short circuit of the cool discharge air with the hot return air.
Please follow the installation clearance shown in the figure. Do not
place the indoor unit where there could be direct sunlight shining
on it. Also, the location must be suitable for piping and drainage,
and be away from doors or windows;
● Mounting installation plate
Ensure that the wall is strong enough to withstand the weight of the unit. Otherwise, it is necessary to reinforce the wall with plates,
beams or pillars;
Use the level gauge for horizontal mounting, and fix it with 4suitable screws;
In case the rear piping draws out, drill a hole 65mm in diameter with a cone drill, slightly lower on the outside wall;
● Mount the unit onto the installation plate
Hook the indoor unit onto the upper portion of the installation plate (Engage the two hooks at the rear top of the indoor unit with the
upper edge of the installation plate). Ensure that the hooks are property seated on the installation plate by moving it to the left and right.
● Water drainage piping
The indoor drain pipe must be in a downward gradient for smooth drainage. Avoid situations that are likely to cause water to leak.
Wall
Refrigerant pipe & drain pipe
(come out from bottom panel)
©2005 McQuay International
12