Precautions On Installation; Installation Method For Prevention Of Falling Over; Method For Removing Transportation Stay; Method For Installing Drain Piping - Panasonic URBAN MULTI Manuel D'installation

7 The outdoor unit may short circuit depending on its environment,
so use the louvers (field supply).
8 If you install the unit on a building frame,
please install a waterproof plate (within
150 mm of the underside of the unit) or
use a drain plug kit (option) in order to
avoid the drain water dripping.
The equipment described in this manual may cause
electronic noise generated from radio-frequency energy.
The equipment complies to specifications that are
designed to provide reasonable protection against such
interference. However, there is no guarantee that
interference will not occur in a particular installation.
It is therefore recommended to install the equipment and
electric wires keeping proper distances away from stereo
equipment, personal computers, etc... (See figure 2)
1 Personal computer or radio
2 Fuse
3 Earth leakage breaker
4 Remote controller
5 Cool/heat selector
6 Indoor unit
In extreme circumstances you should keep distances of
3 m or more and use conduit tubes for power and
transmission lines.
5. P
RECAUTIONS ON INSTALLATION
Check the strength and level of the installation ground so that
the unit will not cause any operating vibration or noise after
installation.
In accordance with the foundation drawing in the figure, fix the
unit securely by means of the foundation bolts. (Prepare four
sets of M12 foundation bolts, nuts and washers each which are
available on the market.)
It is best to screw in the foundation bolts until their length are
20 mm from the foundation surface.
A
140 620
B
45
421
612
A Discharge side
B Bottom view (mm)
C Drain hole
Installation manual
4
140
C

5.1. Installation method for prevention of falling over

If it is necessary to prevent the unit from falling over, install as shown
in the figure.
prepare all 4 wires as indicated in the drawing
unscrew the top plate at the 4 locations indicated A and B
put the screws through the nooses and screw them back tight
A A
C
A location of the 2 fixation holes on the front side of the unit
B location of the 2 fixation holes on the rear side of the unit
C wires: field supply

5.2. Method for removing transportation stay

The yellow transportation stay installed over the compressor leg for
protecting the unit during transport must be removed. Proceed as
shown in figure 3 and described below.
A Compressor
B Fixing nut
C Transportation stay
1 Slightly loosen the fixing nut (B).
2 Remove the transportation stay (C) as shown in figure 3.
3 Tighten the fixing nut (B) again.
CAUTION
If the unit is operated with the transportation stay attached,
abnormal vibration or noise may be generated.

5.3. Method for installing drain piping

Depending on installation site, it may be required to install drain plug
for drainage (option kit).
In cold areas, do not use a drain hose with the outdoor unit.
Otherwise, drain water may
performance.
1 See figure below for installation of the drain plug.
A Drain socket
B Drain cap
C Drain receiver
D Insulation tape
2 Connect a field supplied vinyl hose (internal diameter of 25 mm)
to the drain socket (A).
If the hose is too long and hangs down, fix it carefully to prevent
kinks.
B
freeze, impairing the heating
U-4~6ML4DPQ
Urban Multi air conditioner
4PW29037-1