Tosot Free match Series, Owner'S Manual

Page: 28 / 44

25
(3). When unifying multiple drain pipes, install the pipes as Fig.20. Select converging drain
pipes whose gauge is suitable for the operating capacity of the unit.(take the cassette type
unit for example)
100 mm
T-joint converging drain pipes
0~675 mm
T-joint converging drain pipes
m
m0
00
1~
0
Fig.20
(4). When
(5). If
suction of outdoor air. Therefore, U-type water trap shall be designed on the drainage side
of each indoor unit.(Fig.21)
(6). Install one water trap for each unit.
(7). Installation of water trap shall consider easy cleaning in the future.
Fig.21 Fig.22 Fig.23
(8). Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main
pipe
The horizontal pipe cannot be connected to the vertical pipe at a same height. It can be
connected in a manner as shown below:
DC Inverter Free match Series Cassette Type Unit
N
o
.1: Attach the 3-way connection of the drainage pipe joint as shown in Fig.24.
N
o
.2: Attach the drain elbow as shown in Fig.25.
N
o
.3: Attach the horizontal pipe as shown in Fig.26.