Daikin EWYQ F Serie Manual De Instalación, Operación Y Mantenimiento página 10

-17 °C
Note
The above graphics represent a guidelines about the operating limits of the range. Please refer to Chiller Selection Software
(CSS) for real operating limits working conditions for each size.
Legend
Ambient Temperature (°C) = Condenser Inlet Air Temperature (°C)
Leaving Water Temperature (°C) = Evaporator Leaving Water Temperature (°C)
A = Operation with Glycol
B = Fan speed regulation
C = Full load
D = Partial load
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.
Heating Envelope
C
D D
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 or
-
open main switch.
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.
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