McQuay MDS080B R Installation Manual page 10

c) The paper temperate shall be measure dimension before usage;
d) Ensure the paper temperate is the same dimension as hole dimension in the ceiling;
e) Before the completion of ceiling decoration, leave the paper temperate with the indoor unit;
f) Ensure the distance between the hang pole is 620.4mm × 790.0mm 。
g) To ensure use screw to fix the indoor units tightly;
h) To adjust distance between the bottom panel and ceiling is less than
35.0mm 。
i) To check installation horizontally, and indoor units are fixed tightly without
dropping off and vibration;
j) To cut the same shape of paper temperate in ceiling;
k) Drainage shall be smooth piping and slope installed;
l) To avoid drainage piping bent , shall be straight;
m) To install the drainage piping, do not exert too strong force;
n) It shall be installed diameter 20 flexible host to connect
outside part of drainage piping, as shown as Figure;
o) Drainage piping shall be covered with insulation material
( thickness: 8.0mm polyphone plastic material ) , to avoid
the dropping off of the condensing water;
p) To connect the drainage host and flexible host;
q) To fill in some water to piping to test the leakage;
r)
After testing, to connect the other end of flexible host to
indoor units;
【 Note 】 In this type of indoor units, a water pump is used to help to drain
the
condensing water, to install unit horizontally to avoid leakage of water and
condensing water dropping off;
【 Note 】 This series product need connect a MEX box out of the machine,
please refer to page 7 of this manual;
Installation of front Panel
● To install the front panel , please check the piping connecting direction first;
Follow the direction of the piping connection direction;
● To remove the paper temperate;
● To remove the air filter and grill of front panel;
● To use 4 screw bolt to fix the frame of front panel tightly;
● To connect the indicator light with indoor unit and fan swing motor with indoor units respectively;
【 Note 】 Ensure the frame of the front panel is fixed tightly to avoid the leakage of cool and dropping of condensing water;
There are also the hole for fresh air and exhaust air for connection with outside in indoor unit, but as for air piping, and only be the other
side of refrigerant piping connector;
(drill hole in ceiling) 890.0mm
(machine dimension)820mm
steeve
nut
washer
washer
nut
Indoor
Pipe clamp
Right Wrong
Indoor unit
Cool air
flow
Ceiling
Right
790.0
indoor unit
drain & leakage test
fill water
flexible pipe
Cool air
flow
Ceiling
Wrong
©2005 McQuay International
9
ceiling
drain pipe