Daikin ECB2MUBW, Руководство по эксплуатации

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EWWQ049~06 ECB2+3MUBW
Packaged water-cooled water chillers
D-EOMHP01008-17EU
Operation manual
6
B
EFORE OPERATION
Checks before initial start-up
After the installation of the unit, check the following before switching
on the circuit breaker:
1 Field wiring
Make sure that the field wiring between the local supply panel
and the unit has been carried out according to the instructions
described in the installation manual, according to the wiring
diagrams and according to European and national regulations.
2 Additional interlock contact
An additional interlock contact S11L should be provided (e.g.
flow switch, contact of pump motor contactor). Make sure that it
has been installed between the appropriate terminals (refer to
the wiring diagram supplied with the unit). S11L should be a
normal open contact.
3 Fuses or protection devices
Check that the fuses or the locally installed protection devices
are of the size and type specified in the installation manual.
Make sure that neither a fuse nor a protection device has been
bypassed.
4 Earth wiring
Make sure that the earth wires have been connected properly
and that the earth terminals are tightened.
5 Internal wiring
Visually check the switch box on loose connections or damaged
electrical components.
6 Fixation
Check that the unit is properly fixed, to avoid abnormal noises
and vibrations when starting up the unit.
7 Damaged equipment
Check the inside of the unit on damaged components or
squeezed pipes.
8 Refrigerant leak
Check the inside of the unit on refrigerant leakage. If there is a
refrigerant leak, call your local dealer.
9 Oil leak
Check the compressor on oil leakage. If there is an oil leak, call
your local dealer.
10 Power supply voltage
Check the power supply voltage on the local supply panel. The
voltage should correspond to the voltage on the identification
label of the unit.
Water supply
Fill the water piping, taking into account the minimum water volume
required by the unit. Refer to the "installation manual".
Make sure that the water is of the quality as mentioned in the
installation manual.
Purge the air at the high points of the system and check the operation
of the circulation pump and the flow switch.
General recommendations
Before switching on the unit, read following recommendations:
1 When the complete installation and all necessary settings have
been carried out, close all front panels of the unit.
2 The service panels of the switch boxes may only be opened by a
licensed electrician for maintenance purposes.
O
PERATION
98~192
The 98~192 units are equipped with a built-in digital controller
offering a user-friendly way to set up, use and maintain the unit.
This part of the manual has a task-oriented, modular structure. Apart
from the first section, which gives a brief description of the controller
itself, each section or subsection deals with a specific task you can
perform with the unit.
Depending on the model there are two or three modules in the
system. The models 98~113 only have two modules, whereas the
models 147~192 consist of three modules. These modules are
generally named M1, M2 and M3 in the following descriptions. All
information about module 3 (
M3
) is not applicable for 98~113 models.
Digital controller
User interface
The digital controller consists of an alphanumeric display, labelled
keys which you can press and a number of LEDs.
Figure - Digital controller
Working with the 98~192 units
This chapter deals with the everyday usage of the unit. Here, you will
find how to perform routine tasks, such as:
■
"Setting the language" on page 7
■
"Switching the unit on" on page 7 and "Switching the unit off" on
page 7
■
"Consulting actual operational information" on page 7
■
"Selecting cooling or heating operation" on page 8
■
"Adjusting the temperature setpoint" on page 8
■
"Resetting the unit" on page 8
Make sure that the circuit breaker on the power supply
panel of the unit is switched off.
f key, to enter the main menu
o key, to start up or to shut down the unit.
p key, to enter the safeties menu or to reset an alarm.
g
h
keys, to scroll up or down through the screens of a menu
(only in case
W , X or C appears) or to raise, respectively
lower a setting.
q key, to confirm a selection or a setting.
NOTE Temperature readout tolerance: ±1°C.
Legibility of the alphanumeric display may decrease in
direct sunlight.