McQuay MDS030A User Manual

page 40
2. To fix the suspending panel with screw bolt as shown as above right figure.
3. To hang the unit to the suspending panel and fix screw bolts, after installation of refrigerant pipe and
drainage pipe, install the return air grill and frame, as shown below left figure:
air return grill
frame
suspending panel
panle si
de
Vertical Floor Standing
1. To remove the air return grill, frame, side panel and suspending panel as shown below:
2. To install the unit supporter and wall suspending panel, as shown below left figure:
indoor
unit
E-EXV bo
x
liquid pip
e
gas pipe
screw join
t
wall
(come out from top panel)
refrigerant pipe & drain pipe
wall
wall
refrigerant pipe & drain pip
e
(come out from bottom panel
)
3. To install the refrigerant and drainage piping as shown above right figure;
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, try to drain in a positive slope.
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.
• Install the E-EXV box: All models of this series product need connect a E-EXV box to finish the piping
installation, as shown on right figure:
Notes:
• The E-EXV box contains electric expansion valves, which needs to be mounted in proper place on the
liquid piping. When installing the E-EXV box, make sure the box vertical. The E-EXV box and the indoor
unit could not exceed the length-limit of the electric expansion valve cable, as shown above right figure.
• There are some manners to install the E-EXV box (the mounting must be fixed and safe, and the direction
must be vertical).
Wall
(come from the top panel)
Refrigerant pipe & drainage
Wall
Refrigerant pipe & drainage
(come from the rear panel)
Wall
Installation mode 1: Rod mounting
Pole
Nut
Spring pad
Hook screw hole
Washer
Nut
Washer
Hook
Installation mode 2: Mounting on the wall
Fix with screw

McQuay MDS030A Specifications

General

Brand	McQuay
Model	MDS030A
Category	Air Conditioner
Language	English