EWAQ016~ EWYQ016~064BAW
Packaged air-cooled water chiller
4PW70082-1C – 2013.07
Installation and operation manual
18
5.2.5.
Detailed description
For a summary of all field settings refer to "6.1.1. Field settings table"
on page 39.
[0] Remote control setup
■
[0-00]
User permission level
The remote controller can be programmed to make certain
buttons and functions unavailable for the user. There are 2
permission levels defined. Both levels (level 2 and level 3) are
basically the same, the only difference is that for level 3 no water
temperature settings are possible (see table below).
By default no level is defined so all buttons and functions are
operable.
The actual permission level is determined by field setting. For
permission level 2, set field setting [0-00] to 2, for permission
level 3, set field setting [0-00] to 3.
Once the field setting is set, the chosen permission level is not
yet active. Enabling the selected permission level is done by
simultaneously pressing buttons
and
immediately
followed by simultaneously pressing buttons
and
, and
keeping all 4 buttons pressed for at least 5 seconds. Note that
no indication on the remote controller is given. After the
procedure the blocked buttons will not be available anymore.
Deactivating the selected permission level is done in the same
way.
■
[0-01]
Room temperature compensation value
If needed, it is possible to adjust some thermistor value of the
unit by a correction value. This can be used as countermeasure
for thermistor tolerances or capacity shortage.
The compensated temperature (= measured temperature plus
compensation value) is then used for controlling the system and
will be displayed in the temperature read-out mode. See also
"[9]
Automatic temperature compensation" on page
21 for
compensation values for leaving water temperature.
■
[0-02]
Setting not applicable
■
[0-03]
Status: defines whether the ON/OFF instruction can be
used in the schedule timer for space heating.
Refer to the operation manual for details how to program the
schedule timer.
The schedule timer for space heating can be programmed in
2 different ways: based on the temperature set point (both
leaving water temperature and room temperature) and based on
the ON/OFF instruction.
In the following tables both methods on how to interpret the schedule
timer are shown.
Operation example
: Schedule timer based on temperature set
points.
When setback function (refer to "[2] Automatic setback function" on
page 19) is enabled, the setback operation will have priority over the
scheduled action in the schedule timer.
Permission
level 2
level 3
Operation ON/OFF
Operable
Operable
Setting the leaving water temperature
Operable
—
Setting the room temperature
Operable
Operable
Quiet mode ON/OFF
—
—
Weather dependent set point operation
ON/OFF
Operable
—
Setting the clock
—
—
Programming the schedule timer
—
—
Schedule timer operation ON/OFF
Operable
Operable
Field settings
—
—
Error code display
Operable
Operable
Test operation
—
—
INFORMATION
By default space heating based on temperature set point
(method 1) is enabled, so only temperature shifts are
possible (no ON/OFF instruction).
Method 1
Space heating based on temperature set point
(a)
(a) For leaving water temperature and/or room temperature
During operation
During schedule timer operation the operation LED is lit
continuously.
When pushing
the
button
The schedule timer for space heating will stop and will
not start again.
The controller will be switched off (operation LED will
stop working).
When pushing
the
button
The schedule timer for space heating along with the quiet
mode will be stopped and will not start again.
The schedule timer icon will not be displayed anymore.
1
Schedule timer
2
Setback function
3
When both setback function and schedule timer are enabled
A
Setback function
t
Time
T
Temperature set point
Room temperature
Leaving water temperature
T
t
6:30
9:00
16:00
0:30
19
19
°
C
19
19
°
C
19
19
°
C
22
22
°
C
21
21
°
C
42°C
42°C
42
42
°
C
42
42
°
C
45
45
°
C
44
44
°
C
42
°
C
19
°
C
19
°
C
19
°
C
22
°
C
21
°
C
42°C
42
°
C
45
°
C
44
°
C
0:30
1
T
t
18
18
°
C
37
37
°
C
37
°
C
18
°
C
A
5:00
5:00
23:00
23:00
5:00
23:00
2
T
t
5:00
9:00
16:00
23:00
19
19
°
C
18
18
°
C
19
19
°
C
22
22
°
C
21
21
°
C
42
42
°
C
40
40
°
C
42
42
°
C
45
45
°
C
44
44
°
C
40
°
C
19
°
C
18
°
C
19
°
C
22
°
C
21
°
C
42
°
C
19
19
°
C
19
°
C
42
°
C
19
19
°
C
42
42
°
C
19
°
C
19
19
°
C
19
°
C
42
°
C
45
°
C
44
°
C
6:30
3
37
37
°
C
37
°
C
40
40
°
C
40
°
C
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