Precautions; Drainpipe Trap; Upwards Drainage (Drain Pump) - Toyotomi DCT 100HSPi Service Manual

4.1.3. Precautions

The diameter of drainpipe should meet the drainage requirement at least.
The drainpipe should be heat-insulated to prevent atomization.
Drainpipe should be installed before installing indoor unit. After powering on, there is some water in
water-receiver plate. Please check if the drain pump can operate correctly.
All connection should be firm.
Wipe color on PVC pipe to note connection.
Climbing, horizontal and bending conditions are prohibited.
Heat-insulation should be done well to prevent condensation.

4.2 Drainpipe Trap

4.2.1. If the pressure at the connection of the drainpipe is negative, it needs to design drainpipe trap.
4.2.2. Every indoor unit needs one drainpipe trap.
4.2.3. A plug should be designed to do cleaning.
P l u g
4.3 Upwards drainage(drain pump)
4.3.1. To ensure the gradient 1/100, the drainpipe can be lifted to 340mm. After upwards, place downwards,
or it will cause malfunction to drain pump.
Installation
nnecting dimension of indoor drainpipe.
Installation