Panasonic Urban Multi MX1 Series Manual page 22

Installation 1
3.2.4 Drain Pipe Work (Indoor)
Drain Pipe Gradient
a) The drain pipe must be fitted at a gradient of at least 1/100.
and Support
b) Suspension bolts should be used to support long stretches of drain pipe in order to ensure that a
Spacing of supports for horizontal piping
c) The lenght of pipe laid horizontally should be kept to a minimum.
Drain Trap
Fit any indoor unit whose drain pipe connection is subjected to negative pressure, with a drain trap.
(CS-40~125EM only)
a) Rig the drain trap as shown in the drawing bellow.
b) Provide one trap per unit. A single trap for converging units will prove ineffective.
c) Rig the trap to allow for future cleaning.
22
Operational steps
Install indoor unit
The drain pipe should be as short as possible and free from airlocks.
gradient of 1/100 is maintained. (PVC pipes should not be bent)
Class Nominal diameter
Rigid PVC pipe 25~40mm
Connect drain pipe
Spacing
1~1.5m
PACD011001G2 / PACD011004G3
Check for water
leaks
Urban Multi Inverter "MX1" Series
Insulate drain pipe
(V0999)