Daikin EWAD-D-H 200 Installation, Operation And Maintenance Manual Download

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Figure 2 - Operating limits

Safety

The unit must be firmly secured to the soil.
It is essential to observe the following instructions:



The unit can only be lifted using the lifting points marked
in yellow fixed to its base.



It is forbidden to access the electrical components without
having opened the unit main switch and switched off the
power supply.



It is forbidden to access the electrical components without
using an insulating platform. Do not access the electrical
components if water and/or moisture are present.



Sharp edges and the surface of the condenser section
could cause injury. Avoid direct contact and use adeguate
protection device



Switch  off  power  supply,  by  opening  the  main  switch,
before  servicing  the  cooling  fans  and/or  compressors.
Failure  to  observe  this  rule  could  result  in  serious
personal injury.



Do not introduce solid objects into the water pipes while
the unit is connected to the system.



A mechanical filter must be installed on the water pipe
connected to the heat exchanger inlet.



The unit is supplied with safety valves, that are installed
both on the high-pressure and on the low-pressure sides
of the refrigerant circuit.

It is absolutely forbidden to remove all protections of
moving parts.

In case of sudden stop of the unit, follow the instructions on the

Control Panel Operating Manual

which is part of the on-

board documentation delivered to the end user.

It is strongly recommended to perform installation and
maintenance with other people. In case of accidental injury or
unease, it is necessary to:

keep calm

press the alarm button if present in the installation site

move the injured person in a warm place far from the unit
and in rest position

contact immediately emergency rescue personnel of the
building or the Health Emergency Service

wait without leaving the injured person alone until the
rescue operators come

give all necessary information to the the rescue operators

Avoid  installing  the  chiller  in  areas  that  could  be
dangerous  during  maintenance  operations,  such  as
platforms  without  parapets  or  railings  or  areas  not
complying  with  the  clearance  requirements  around  the
chiller.

Noise

The  unit  is  a  source  of  noise  mainly  due  to  rotation  of
compressors and fans.
The  noise  level  for  each  model  size  is  listed  in  sales
documentation.
If  the  unit  is  correctly  installed,  operated  and  manteined  the
noise  emission  level  do  not  require  any  special  protection
device to operate continuosly close to the unit without any risk.
In  case  of  installation  with  special  noise  requirements  it  could
be necessary to install additional sound attenuation devices.

Moving and lifting

Avoid  bumping  and/or  jolting  during  loading/unloading  unit
from the truck and moving it. Do not push or pull the unit from
any part other than the base frame. Secure the  unit inside the
truck to prevent it from moving and causing  damages. Do not
allow  any  part  of  the  unit  to  fall  during  transportation  or
loading/unloading.
All units of the are supplied with lifting points marked in yellow.
Only these points may be used for lifting the unit, as shown in
the following Figure 3.

Both  the  lifting  ropes  and  the  spacing  bars  must  be
strong  enough  to  support  the  unit  safely.  Please  check
the unit’s weight on the unit nameplate.

The unit must be lifted with the utmost attention and care
following lifting label instructions; lift unit very slowly, keeping it
perfectly level..

Positioning and assembly

All units are designed for installation outdoors, either on
balconies or on the ground, provided that the installation area
is free of obstacles that could reduce air flow to the
condensers coil.

Evap Leaving Water Temperature (°C)