Operation manual
7
EWWQ049~06 ECB2+3MUBW
Packaged water-cooled water chillers
D-EOMHP01008-17EU
Setting the language
If desired, the operating language can be changed to any of the
following languages: English, German, French, Spanish or Italian.
1
Enter the usersettings menu. Refer to chapter
2
Go to the appropriate screen of the usersettings menu using the
g
and
h
keys.
3
Select the appropriate field (
LANGUAGE
) using the
q
key.
4
Press the
g
and
h
keys to adjust the language setting.
5
Press
q
to confirm the adjusted language setting.
When the setting has been confirmed, the cursor switches to the next
setting.
Switching the unit on
1
Press the
J
key on the controller.
Depending on whether or not the remote ON/OFF switch is
configured (refer to the service manual), the following conditions
may occur.
When no remote ON/OFF switch is configured, the LED inside
the
J
key lights up and an initialization cycle is started. Once all
the timers have reached zero, the unit starts up.
When a remote ON/OFF switch is configured, the following table
applies:
2
When the unit is started up for the first time, or when the unit has
been out of operation for a longer period, it is recommended to
check the following.
Abnormal noise and vibrations
Make sure that the unit does not produce abnormal noises or
vibrations: check the fixation, stop valves and piping. If the
compressor makes abnormal noises, this may also be caused by
an overcharge of refrigerant.
3
If the water chiller does not start after a few minutes, refer to
Switching the unit off
If the remote on/off control parameter is set to NO:
Press the
o
key on the controller.
The LED inside the
o
key goes out.
If the remote on/off control parameter is set to YES:
Press the
o
key on the controller or switch the unit off using the
remote on/off switch.
The LED inside the
o
key goes out in the first case and starts
blinking in the second case.
Consulting actual operational information
1
Enter the readout menu through the main menu. (Refer to the
chapter
The controller automatically shows the first screen of the
readout menu which provides the following information:
•
MANUAL MODE
or
INLSETP1/2
: manual/automatic control mode
operation. If the automatic control mode is selected, the
controller will indicate the active temperature setpoint.
Depending on the status of the remote contact, setpoint one
or setpoint two is active.
•
INL WATER E/C
: actual inlet water temperature.
•
THERMOSTAT STEP
: actual thermostat step. The maximum
number of thermostat steps are as listed:
2
Press the
h
key to enter the next screen of the readout menu.
This screen of the readout menu provides the following
information on the evaporator:
•
M1: OUTLWATER
: actual outlet water temperature of module 1.
•
M2: OUTLWATER
: actual outlet water temperature of module 2.
•
M3: OUTLWATER
: actual outlet water temperature of module 3.
3
Press the
h
key to enter the next screen of the readout menu.
The
COMPRESSOR STATUS
screen of the readout menu provides
information concerning the status of the different compressors.
•
C11
: actual status of compressor 1 of module 1.
•
C12
: actual status of compressor 2 of module 1.
•
C21
: actual status of compressor 1 of module 2.
•
C22
: actual status of compressor 2 of module 2.
•
C31
: actual status of compressor 1 of module 3.
•
C32
: actual status of compressor 2 of module 3.
When a circuit is OFF, the following status information may
appear.
•
SAFETY ACTIVE
: one of the circuit safety devices is activated
•
(LIMIT)
: the circuit is limited by a remote contact.
•
TIMERS BUSY
: the actual value of one of the software timers is
not zero (refer to the
•
CAN STARTUP:
the circuit is ready to start up when extra
cooling load is needed.
The preceding OFF messages are written down in order of priority. If
one of the timers is busy and one of the safeties is active, the status
information says
SAFETY ACTIVE
.
4
Press the
h
key to enter the next screen of the readout menu.
To consult actual operational information about the total running
hours of the compressors.
Local key
Remote switch
Unit
o
LED
ON
ON
ON
ON
ON
OFF
OFF
Flashing
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
In case of emergency, switch off the unit by pushing the
emergency stopbutton.
NOTE
Also consult
"Defining the schedule timer" on page 12
.
98
4
147
6
113
4
162
6
128
4
177
6
192
6
Summary of Contents for ECB2MUBW
Page 131: ...EWWQ049 064KAW1M ECB2 3MUBW D EOMHP01008 17EU 17 6 7 8 4 R410A GWP 1 2090 1 GWP 7 1 mm 5...
Page 169: ...EWWQ049 064KAW1M ECB2 3MUBW D EOMHP01008 17EU 16 6 7 8 4 R410A 1 2090 1 5 4 5 5 5 6 5 7 5 8 5...
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