E(D/B)(H/L)Q011~0W1
Unit for air to water heat pump system
4PW57622-1
Operation manual
4
6.
CLOCK DISPLAY
8
The clock display shows the current time.
When reading or programming the schedule timer, the clock
display shows the action time.
7.
SCHEDULE TIMER ICON
p
This icon indicates that the schedule timer is enabled.
8.
ACTION ICONS
q
These icons indicate the programming actions for each day of
the schedule timer.
9.
OFF ICON
x
This icon indicates that the OFF action is selected when
programming the schedule timer.
10.
INSPECTION REQUIRED
k
and
l
These icons indicate that inspection is required on the
installation. Consult your dealer.
11. SET TEMPERATURE DISPLAY
9
The display shows the current set temperature of the
installation.
12. SETTING
$
Not used. For installation purposes only.
13. NOT AVAILABLE
n
This icon is displayed whenever a non-installed option is
addressed or a function is not available.
14. DEFROST/STARTUP MODE ICON
d
This icon indicates that the defrost/startup mode is active.
15. COMPRESSOR ICON
ç
This icon indicates that the compressor in the unit is active.
16. BACKUP HEATER STEP ONE
(
OR STEP TWO
§
These icons indicate that the backup heater of the unit is
operating, when there is a high demand for heating capacity.
The backup heater provides extra heating capacity in case of
low ambient outdoor temperature (high heating load).
17. BOOSTER HEATER ICON
m
This icon indicates that the booster heater is active. The booster
heater provides auxiliary heating for the domestic hot water
tank.
The booster heater is located in the domestic hot water tank.
The icon is not used when the domestic hot water tank is not
installed.
18. PUMP ICON
é
This icon indicates that the circulation pump is active.
19. OUTDOOR TEMPERATURE DISPLAY
u
When this icon is flashing, the outdoor ambient temperature is
displayed.
20. WEATHER DEPENDENT SET POINT ICON
a
This icon indicates that the controller will adapt the temperature
set point automatically, based on the outdoor ambient
temperature.
21. TEMPERATURE ICON
b
This icon is displayed when the water outlet temperature of the
unit, the outdoor ambient temperature and the domestic hot
water tank temperature are shown.
The icon is also displayed when the temperature set point is set
in schedule timer programming mode.
22. TEST OPERATION ICON
t
This icon indicates that the unit runs in test mode. Refer to the
installation manual.
23. FIELD SET CODE
;
This code represents the code from the field set list. Refer to the
installation manual.
24. ERROR CODE
:
This code refers to the error code list and is for service purposes
only. Refer to the installation manual.
25. SPACE HEATING/COOLING BUTTON
=
This button allows manual switching between cooling or heating
mode (provided the unit is not a heating only unit).
When the unit is connected with an external room thermostat,
this button is not operable and the icon
e
is shown.
26. DOMESTIC WATER HEATING BUTTON
v
This button enables or disables heating of the domestic water.
This button is not used when the domestic hot water tank is not
installed.
27. WEATHER DEPENDENT SET POINT BUTTON
ba
This button enables or disables the weather dependent set point
function which is available in space heating operation only.
If the controller is set in permission level 2 or 3 (refer to
"Field
settings" on page 11
), the weather dependent set point button
will not be operable.
28. INSPECTION/TEST OPERATION BUTTON
z
This button is used for installation purposes and changing field
settings. Refer to
"Field settings" on page 11
.
29. PROGRAMMING BUTTON
<
This multi-purpose button is used to program the controller. The
function of the button depends on the actual status of the
controller or on previous actions carried out by the operator.
30. SCHEDULE TIMER BUTTON
r
/
p
The main function of this multi-purpose button is to
enable/disable the schedule timer.
The button is also used to program the controller. The function of
the button depends on the actual status of the controller or on
previous actions carried out by the operator.
If the controller is set in permission level 3 (refer to
"Field
settings" on page 11
), the schedule timer button will not be
operable.
31. TIME ADJUST BUTTON
pi
and
pj
These multi-purpose buttons are used to adjust the clock, to
toggle between temperatures (water outlet temperature of the
unit, outdoor ambient temperature and domestic hot water
temperature) and in schedule timer programming mode.
32. TEMPERATURE ADJUST BUTTONS
bi
and
bj
These multi-purpose buttons are used to adjust the current set
point in normal operation mode or in schedule timer
programming mode. In weather dependent set point mode the
buttons are used to adjust the shift value. Finally, the buttons are
also used to select the weekday while setting the clock.
33. DOMESTIC HOT WATER TEMPERATURE ADJUST BUTTONS
wbi
and
wbj
These buttons are used to adjust the current set point of the
domestic hot water temperature.
The buttons are not used when the domestic hot water tank is
not installed.
34. QUIET MODE BUTTON
s
This button enables or disables quiet mode.
If the controller is set in permission level 2 or 3 (refer to
"Field
settings" on page 11
), the quiet mode button will not be
operable.
NOTE
Remark that pushing the
y
button has no influence
on the domestic water heating. Domestic water
heating is only switched on or off by means of the
v
button.
