Tosot TU18H3O, Owner'S Manual

Page: 29 / 48

DC Inverter U-match Series Cassette Type Unit
25
Fig. 4.23 Fig. 4.24 Fig. 4.25
(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:
No.1: Attach the 3-way connection of the drainage pipe joint as shown in
Fig. 4.26.
No.2: Attach the drain elbow as shown in Fig. 4.27.
No.3: Attach the horizontal pipe as shown in Fig. 4.28.
Fig. 4.26 Fig. 4.27 Fig. 4.28
4.5.3 Precautions When Doing Riser Piping Work
(1) Make sure that heat insulation work is executed on the following 2 spots to
prevent any possible water leakage due to dew condensation.
1) Connect the drain hose to the drain lift pipe, and insulate them.
2) Connect the drain hose to the drain outlet on the indoor unit, and tighten it with
the clamp.