READ THIS MANUAL ATTENTIVELY BEFORE STARTING
UP THE UNIT. DO NOT THROW IT AWAY. KEEP IT IN
YOUR FILES FOR FUTURE REFERENCE.
The English text is the original instruction. Other languages are
translations of the original instructions.
This appliance is not intended for use by persons, including children,
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person
responsible for their safety.
Children should be supervised to ensure that they do not play with
the appliance.
Before operating the unit, make sure the installation has
been carried out correctly by a professional Daikin dealer.
If you feel unsure about operation, contact your Daikin
dealer for advice and information.
Operation manual
NTRODUCTION
I
HIS MANUAL
T
This manual describes how to start up and switch off the unit, set
parameters and configure the schedule timer by means of the
controller, maintain the unit and solve operational problems.
For "Checks before initial start-up" and "Initial start-up"
procedures refer to the installation manual of this unit.
T
HIS UNIT
These units are used for both heating and cooling applications. The
units can be combined with Daikin fan coil units, floor heating
applications, low temperature radiators, domestic hot water tank
(option) and solar kit (option).
Heating/cooling units and heating only units
The monoblock unit range consists of two main versions: a
heating/cooling (EB) version and a heating only (ED) version.
Both versions are delivered with an integrated backup heater for
additional heating capacity during cold outdoor temperatures. The
backup heater also serves as a backup in case of malfunctioning of
the unit and for freeze protection of the outside water piping during
winter time
■
Domestic hot water tank EKHW*
An optional EKHW* domestic hot water tank with integrated
3 kW electrical booster heater can be connected to the unit. The
domestic hot water tank is available in two sizes: 50 and 80
gallons (150 and 200 litre).
■
Room thermostat
(option)
An optional room thermostat EKRTW can be connected to the
unit.
■
Solar kit for domestic hot water tank
An optional solar kit EKSOLHW can be connected to the unit.
Contact your dealer for more allowed solar kits.
■
Remote alarm kit
■
Digital I/O PCB kit
(option)
(option)
An optional EKRP1HB digital I/O PCB can be connected to the
indoor unit and allows:
■
remote alarm output
■
heating/cooling ON/OFF output
■
bivalent operation (permission signal for the auxiliary boiler)
Refer to the operation manual of the indoor unit and to the
installation manual of the digital I/O PCB for more information.
Refer to the wiring diagram or connection diagram for
connecting this PCB to the unit.
To obtain more information concerning these option kits, please refer
to dedicated installation manuals of the kits.
(option)
(option)
Operation manual
1
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Safety considerations
The precautions listed here are divided into the following two types.
Both cover very important topics, so be sure to follow them carefully.
Meanings of
DANGER, WARNING, CAUTION
DANGER
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices.
NOTE
Indicates situations that may result in equipment or
property-damage accidents only.
and
NOTE
symbols.
Danger
■
Do not touch water pipes during and immediately after operation
as the pipes may be hot. Your hand may suffer burns. To avoid
injury, give the piping time to return to normal temperature or be
sure to wear proper gloves.
■
Do not touch any switch with wet fingers. Touching a switch with
wet fingers can cause electrical shock.
Warning
■
Never directly touch any accidental leaking refrigerant. This
could result in severe wounds caused by frostbite.
■
Do not touch the refrigerant pipes during and immediately after
operation as the refrigerant pipes may be hot or cold, depending
on the condition of the refrigerant flowing through the refrigerant
piping, compressor, and other refrigerant cycle parts. Your
hands may suffer burns or frostbite if you touch the refrigerant
pipes. To avoid injury, give the pipes time to return to normal
temperature or, if you must touch them, be sure to wear proper
gloves.
O
PERATING THE UNIT
I
NTRODUCTION
The heat pump system is designed to provide you a comfortable
indoor climate for many years at low energy consumption.
To get the most comfort with the lowest energy consumption out of
your system, it is very important to observe the items listed below.
Defining possible schedule timer actions for each day and filling out
the form at the very end of this manual can help you minimize the
energy consumption. Ask your installer for support if required.
■
Make sure the heat pump system works at the lowest possible
hot water temperature required to heat your house.
To optimize this, make sure the weather dependent set point is
used and configured to match the installation environment.
Refer to "Field settings" on page 11.
■
It is advised to install a room thermostat connected to the unit.
This will prevent excessive space heating and will stop the unit
and the circulation pump when the room temperature is above
the thermostat set point.
■
Next recommendations only apply to installations with an
optional domestic hot water tank.
■
Make sure the domestic hot water is only heated up to the
domestic hot water temperature you require.
Start with a low domestic hot water temperature set point
(e.g. 113°F (45°C)), and only increase if you feel that the
domestic hot water supply temperature is not sufficient.
■
Make sure the domestic water heating by booster heater only
start 1 to 2 hours before you expect domestic hot water
usage.
In case you only need a lot of domestic hot water in the
evening or in the morning, only allow domestic water heating
by booster heater during early morning and early evening.
Also keep hours with low electricity cost tariffs in mind.
To do this, program both the domestic water heating and
booster heating schedule timer. Refer to Programming in
chapter "Programming and consulting the schedule timer" on
page 8.
■
If the domestic hot water is not used for two weeks or more, a
quantity of hydrogen gas which is highly flammable may
accumulate in the domestic hot water tank. To dissipate this
gas safely, it is recommended that a hot tap be turned on for
several minutes at a sink, basin, or bath, but not at a
dishwasher, clothes washer or other appliance. During this
procedure there must be no smoking, open flame or any
electrical appliance operating nearby. If hydrogen is
discharged through the tap, it will probably make a sound as
of air escaping.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Operation manual
2
O
PERATING THE DIGITAL CONTROLLER
Operating the unit comes down to operating the digital controller.
Never let the digital controller get wet. This may cause an
electric shock or fire.
Never press the buttons of the digital controller with a hard,
pointed object. This may damage the digital controller.
Never inspect or service the digital controller yourself, ask
a qualified service person to do this.
Features and functions
The digital controller is a state of the art controller that offers full
control over your installation. It can control a cooling/heating and a
heating only installation.
Both installations are available in multiple versions which vary in
capacity, electrical supply and installed equipment (with an optional
domestic hot water tank with a booster heater).
NOTE
■
Descriptions in this manual that apply to a specific
installation or that depend on the installed
equipment, are marked with an asterisk (*).
■
Some functions described in this manual may not
be available or should not be available. Ask your
installer or your local dealer for more information
on permission levels.
Basic controller functions
The basic controller functions are:
■
Tu r ning the unit ON/OFF.
■
Operation mode change-over:
- space heating (refer to page 5),
- space cooling (refer to page 5) (*),
- domestic water heating (refer to page 5) (*).
■
Selection of features:
- quiet mode (refer to page 5),
-weather dependent control (refer to page 6).
■
Temperature set point adjustment (refer to page 6).
NOTE
(*) The functions 'space cooling' and 'domestic water
heating' can only be selected when the corresponding
equipment is installed.
The digital controller supports a power cut off of maximum 2 hours.
When autorestart is enabled (see "Field settings" on page 11) this
allows a power supply shut down of 2 hours without user intervention
(e.g. benefit kWh rate power supply).
Clock function
The clock functions are:
■
24 hour real time clock.
■
Day of the week indicator.
Schedule timer function
The schedule timer function allows the user to schedule the
operation of the installation according to a daily or a weekly program.
Name and function of buttons and icons
1173
56 248
7
9
12
10
23
22
34
29
27
30
28
1.
COOLING/HEATING ON/OFF BUTTON
The ON/OFF button starts or stops the heating or cooling
function of the unit.
When the unit is connected with an external room thermostat,
this button is not operable and the icon e is shown.
Pressing the ON/OFF button consecutively too many times may
cause malfunction of the system (maximum 20 times per hour).
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
button.
2.
OPERATION LED
0
The operation LED is lit during space cooling or space heating
operation. The LED blinks if a malfunction occurs. When the
LED is OFF, space cooling or space heating are inactive while
the other operation modes can still be active.
3.
OPERATION MODE ICONS
hcws
These icons indicate the current operation mode(s): space
heating (h), space cooling (c), domestic water heating (w) or
quiet mode (s). Within limits, different modes can be combined,
e.g. space heating and domestic water heating. The
corresponding mode icons will be displayed simultaneously.
In a heating only installation, the c icon will never be displayed.
If the domestic hot water tank is not installed, the w icon will
never be displayed.
If the solar option is installed and active, the w icon will be
blinking.
4.
EXTERNAL CONTROL ICON
This icon indicates that an external room thermostat with higher
priority is controlling your installation. This external room
thermostat can start and stop the space heating/cooling
operation and change the operation mode (cooling/heating).
When an external room thermostat with a higher priority is
connected, the schedule timer for space cooling and space
heating will not function.
5.
DAY OF THE WEEK INDICATOR
This indicator shows the current weekday.
When reading or programming the schedule timer, the indicator
shows the set day.
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.
2161815
y
e
1234567
4
14
21
19
11
20
13
25
26
33
32
31
v
Operation manual
3
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
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.
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.
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.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Operation manual
4
Setting up the controller
After initial installation, the user can set the clock and day of the
week.
The controller is equipped with a schedule timer that enables the
user to schedule operations. Setting the clock and day of the week is
required to be able to use the schedule timer.
Setting the clock
1Hold down the pr button for 5 seconds.
The clock read-out and the day of week indicator start flashing.
2Use the pi and pj buttons to adjust the clock.
Each time the pi or pj button is pressed, the time will
increase/decrease by 1 minute. Keeping the pi or pj
button pressed will increase/decrease the time by 10 minutes.
3Use the bi or bj button to adjust the day of the week.
Each time the bi or bj button is pressed the next or
previous day is displayed.
4Press the < button to confirm the current set time and day of the
week.
To leave this procedure without saving, press the pr button.
If no button is pressed for 5 minutes the clock and day of the
week will return to their previous setting.
NOTE
The clock needs to be set manually. Adjust the setting
when switching from summertime to wintertime and
vice versa.
Setting the schedule timer
To set the schedule timer, refer to chapter "Programming and
consulting the schedule timer" on page 8.
Description of the operation modes
Space heating operation (
In this mode, heating will be activated as required by the water
temperature set point. The set point can be set manually (refer to
"Manual operation" on page 6) or weather dependent (refer to
"Selecting weather dependent set point operation (only in heating
mode)" on page 6).
Startup (
At the start of a heating operation, the pump is not started until a
certain refrigerant heat exchanger temperature is reached. This
guarantees correct startup of the heat pump. During startup, icon
d is displayed.
Defrost (d)
In space heating operation or domestic water heating operation,
freezing of the outdoor heat exchanger may occur due to low outdoor
temperature. If this risk occurs, the system goes into defrost
operation. It reverses the cycle and takes heat from the indoor
system to prevent freezing of the outdoor system. After a maximum
of 8 minutes of defrost operation, the system returns to space
heating operation.
d)
h)
Space cooling operation (c)
In this mode, cooling will be activated as required by the water
temperature set point.
NOTE
■The space cooling temperature set point can only
be set manually (refer to "Manual operation" on
page 6).
■Switching between space heating and space
cooling operation can only be done by pressing
the = button or by an external room thermostat.
■Space cooling operation is not possible if the
installation is a "heating only" installation.
Domestic water heating operation (w)
In this mode, the indoor unit will heat up the domestic hot water tank
by heat pump when the space heating/space cooling operation has
reached its temperature set point or heat pump domestic water
heating has a higher demand request than space side (depends on
dipswitch setting). When necessary and when allowed by the booster
heater schedule timer (refer to "Programming quiet mode, booster
heating or domestic water heating" on page 9), the booster heater
provides auxiliary heating for the domestic hot water tank.
NOTE
Powerful domestic water heating operation
In the case of urgent need of domestic hot water, the domestic hot
water temperature set point can be reached quickly by using the
booster heater. Powerful domestic water heating operation is forcing
the booster heater to operate until the domestic hot water
temperature set point is reached.
This function remains available in solar operation.
■In order to provide domestic hot water throughout
the day, it is advised to keep the domestic water
heating operation on continuously.
■The domestic hot water temperature set point can
only be set manually (refer to "Manual operation"
on page 6).
■Any domestic water heating operation is
impossible when the domestic hot water tank is
not installed.
■When the w icon is blinking, hot water is
delivered to the domestic hot water tank by the
solar kit option and not by the unit. Refer to
installation manual of the EKSOLHW solar kit.
Quiet mode operation (s)
Quiet mode operation means that the unit works at reduced capacity
so that the noise produced by the unit drops. This implies that the
indoor heating and cooling capacity will also drop. Beware of this
when a certain level of heating is required indoors.
Tw o quiet modes are available.
Disinfection function
When the w, ç, é and m icons are blinking together, the
disinfection function has been activated. This is not a malfunction.
Refer to "[2] Disinfection function" in the installation manual for more
details.
Operation manual
5
Freeze protection function
When the h, é and § icons are blinking together, the freeze
protection has been activated. This is not a malfunction. Refer to
"[4] Backup heater operation and space heating off temperature" in
the installation manual for more details.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Controller operations
Manual operation
In manual operation, the user manually controls the settings of the
installation. The last setting remains active until the user changes it or
until the schedule timer forces another setting (refer to "Schedule
timer operation" on page 7).
As the controller can be used for a wide variety of installations, it is
possible to select a function which is not available on your
installation. In that case the message n will appear.
Switching on and setting space cooling (c) and heating (h)
1Use the = button to select space cooling (c) or space heating (h).
Icon c or h appears on the display as well as the corresponding
water temperature set point.
2Use the bi and bj buttons to set the desired water
temperature.
•Temperature range for heating: 77°F to 131°F (25°C to 55°C)
The temperature for heating can be set as low as 59°F
(15°C) (see "Field settings" on page 11). However, the
temperature for heating should only be set lower than 77°F
(25°C) during commissioning of the installation. When set
lower than 77°F (25°C), only the backup heater will operate.
In order to avoid overheating, space heating is not operable
when the outdoor ambient temperature rises above a certain
temperature (as set through field setting [4-02], refer to "Field
settings" on page 11).
•Temperature range for cooling: 41°F to 72°F (5°C to 22°C)
CAUTION
The actual operation range depends on the values set on
field setting [9].
These values shall be determined based on the
application.
NOTE
3Switch on the unit by pushing the
NOTE
In heating mode (h), the water temperature set point
can also be weather dependent (icon a is shown).
This means that the controller calculates the water
temperature set point based on the outdoor temperature.
In this case, instead of showing the water temperature
set point, the controller shows the "shift value" which
can be set by the user. This shift value is the
temperature difference between the temperature set
point calculated by the controller and the real set point.
E.g. a positive shift value means that the real
temperature set point will be higher than the calculated
set point.
y button.
The operation LED 0 lights up.
When the unit is connected to an external room
thermostat, buttons = and y are not operable and
the icon e is shown. In this case, the external room
thermostat switches the unit on or off and determines
the operation mode (space cooling or space heating).
Selection and setting of domestic water heating (
w)
1Use the v button to activate domestic water heating (w).
Icon w appears on the display.
2Use the wi or wj button to display the actual
temperature set point and subsequently, to set the correct
temperature.
The actual temperature set point only appears on the display
after pressing one of the buttons wi or wj. If no button is
pressed for 5 seconds, the temperature set point will
automatically disappear from the display again.
Temperature range for domestic water heating: 86°F to 172°F
(30°C to 78°C)
3Press the v button to deactivate domestic water heating (w).
Icon w disappears from the display.
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.
Selecting powerful domestic water heating operation
1Press
v for 5 seconds to activate powerful domestic water
heating operation.
Icons w and m start flashing.
Powerful domestic water heating is deactivated automatically
when the set point for the domestic hot water is reached.
Selecting quiet mode operation (s)
1Use the s button to activate quiet mode operation (s).
Icon s appears on the display.
If the controller is set in permission level 2 or 3 (refer to "Field
settings" on page 11), the s button will not be operable.
Selecting weather dependent set point operation (only in
heating mode)
1Press the ba button to select weather dependent set point
operation.
Icon a appears on the display as well as the shift value. The
shift value is not shown in case it is 0.
2Use the bi and bj buttons to set the shift value.
Range for the shift value: –9°F to +9°F (–5°C to +5°C)
Displaying actual temperatures
1Push the ba button for 5 seconds.
The b icon and the outgoing water temperature are displayed.
The icons l and = are flashing.
2Use the pi and pj buttons to display:
• The outdoor temperature (u icon is flashing).
• The domestic hot water tank temperature (w icon is
flashing).
• The outgoing water temperature (= are flashing).
If no button is pressed for 5 seconds, the controller leaves the
display mode.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Operation manual
6
Schedule timer operation
In schedule timer operation, the installation is controlled by the
schedule timer. The actions programmed in the schedule timer will be
executed automatically.
The schedule timer always follows the last command until a new
command is given. This means that the user can temporarily overrule
the last executed programmed command by manual operation (Refer
to "Manual operation" on page 6). The schedule timer will regain
control over the installation as soon as the next programmed
command of the schedule timer occurs.
The schedule timer is enabled (p icon displayed) or disabled (p icon
not displayed), by pressing the pr button.
■Only use the pr button to enable or disable the
schedule timer. The schedule timer overrules the y
button. The y button only overrules the schedule
timer until the next programmed action.
■If the auto restart function is disabled, the schedule
timer will not be activated when power returns to the
unit after a power supply failure. Press the
to enable the schedule timer again.
■When power returns after a power supply failure, the
auto restart function reapplies the user interface
settings at the time of the power supply failure.
It is therefore recommended to leave the auto restart
function enabled.
■The programmed schedule is time driven. Therefore, it
is essential to set the clock and the day of the week
correctly. Refer to "Setting the clock" on page 5.
■Manually adjust the clock for summertime and
wintertime. Refer to "Setting the clock" on page 5.
■A power failure exceeding 2 hours will reset the clock
and the day of the week. The schedule timer will
continue operation, but with a disordered clock. Refer
to "Setting the clock" on page 5 to adjust the clock
and the day of the week.
■The actions programmed in the schedule timer will not
be lost after a power failure so that reprogramming the
schedule timer is not required.
To set up the SCHEDULE TIMER refer to chapter "Programming and
consulting the schedule timer" on page 8.
pr button
What can the schedule timer do?
The schedule timer allows the programming of:
1. Space heating and space cooling (refer to "Programming space
cooling or space heating" on page 8)
Switch on the desired mode at a scheduled time, in combination
with a set point (weather dependent or manually set). Five
actions per weekday can be programmed, totalling 35 actions.
NOTE
When the unit is connected to an external room
thermostat, the schedule timer for space cooling and
space heating is overruled by the external room
thermostat.
2. Quiet mode (refer to "Programming quiet mode, booster heating
or domestic water heating" on page 9)
Switch the mode on or off at a scheduled time. Five actions can
be programmed per mode. These actions are repeated daily.
3. Booster heating (refer to "Programming quiet mode, booster
heating or domestic water heating" on page 9)
Allow or disallow booster heating at a scheduled time. Five
actions can be programmed per mode. These actions are
repeated daily.
4. Domestic water heating (refer to "Programming quiet mode,
booster heating or domestic water heating" on page 9)
Switch the mode on or off at a scheduled time. Five actions can
be programmed per mode. These actions are repeated daily.
■The programmed actions are not stored according to
their timing but according to the time of programming.
This means that the action that was programmed first
gets action number 1, even though it is executed after
other programmed action numbers.
■When the schedule timer switches space heating or
space cooling x, the controller will also be
switched off. Note that this has no influence on
domestic water heating.
What can the schedule timer NOT do?
The schedule timer can not change the operation mode from space
cooling to space heating or vice versa.
How to interpret the programmed actions
To be able to understand the behaviour of your installation when the
schedule timer is enabled, it is important to keep in mind that the
"last" programmed command overruled the "preceding" programmed
command and will remain active until the "next" programmed
command occurs.
Example: imagine the actual time is 17:30 and actions are
programmed at 13:00, 16:00 and 19:00. The "last" programmed
command (16:00) overruled the "previous" programmed command
(13:00) and will remain active until the "next" programmed command
(19:00) occurs.
So in order to know the actual setting, one should consult the last
programmed command. It is clear that the "last" programmed
command may date from the day before. Refer to "Consulting
programmed actions" on page 10.
Operation manual
7
During schedule timer operation, someone may have
altered the actual settings manually (in other words, the
"last" command was overruled manually). The icon p,
indicating the schedule timer operation, may still be
displayed, giving the impression that the "last" command
settings are still active. The "next" programmed command
will overrule the altered settings and return to the original
program.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Programming and consulting the schedule timer
Getting started
Programming the schedule timer is flexible (you can add, remove or
alter programmed actions whenever required) and straightforward
(programming steps are limited to a minimum). However, before
programming the schedule timer, remind:
■Familiarise yourself with the icons and the buttons. You will need
them when programming. Refer to "Name and function of
buttons and icons" on page 3.
■Fill out the form at the very end of this manual. This form can
help you define the required actions for each day. Keep in mind
that:
- In the space cooling/heating program, 5 actions can be
programmed per weekday. The same actions are repeated
on a weekly basis.
- In the domestic water heating, booster heater and quiet
mode program, 5 actions can be programmed per mode. The
same actions are repeated on a daily basis.
■Take your time to enter all data accurately.
■Try to program the actions in a chronological way: start with
action 1 for the first action and end with the highest number for
the last action. This is not a requirement but will simplify the
interpretation of the program later.
■If 2 or more actions are programmed for the same day and at the
same time, only the action with the highest action number will be
executed.
■You can always alter, add or remove the programmed actions
later.
■When programming heating actions (time and set point), cooling
actions are added automatically at the same time but with the
predefined default cooling set point. Conversely, when
programming cooling actions (time and setpoint), heating
actions are added automatically at the same time but with the
default heating set point.
The set points of these automatically added actions can be
adjusted by programming the corresponding mode. This means
that after programming heating, you should also program the
corresponding cooling set points and vice versa.
Programming
Programming space cooling or space heating
5 sec
Due to the fact that the schedule timer cannot switch
between operation modes (cooling or heating) and the fact
that each programmed action implies a cooling setpoint
and a heating setpoint, the following situations may occur:
■when the schedule timer is active in heating mode,
and the mode is changed manually to cooling (by
means of the = button), the operation mode will
from then on remain cooling and program actions will
follow the corresponding cooling setpoints. Returning
to heating mode needs to be carried out manually (by
means of the = button).
■when the schedule timer is active in cooling mode,
and the mode is changed manually to heating (by
means of the = button), the operation mode will
from then on remain heating and program actions will
follow the corresponding heating setpoints. Returning
to cooling mode needs to be carried out manually (by
means of the = button).
The above proves the importance of programming both
cooling and heating setpoints for each action. If you do not
program these setpoints, the predefined default values will
be used.
NOTE
5 sec
Programming space cooling or space heating are both
done in the same way. At the start of the programming
procedure space cooling or space heating is selected.
After that, you have to return to the start of the
programming procedure to program the other
operation mode.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Operation manual
8
Programming space cooling or space heating is carried out as
follows:
NOTE
Returning to previous steps in the programming
procedure without saving modified settings is done by
pressing the pr button.
1Use the = button to select the operation mode (cooling or
heating) you want to program.
2Press the < button.
The actual mode is blinking.
3Press the < button to confirm the selected mode.
The actual day is blinking.
4Select the day you would like to consult or to program by means
of the pi and pj buttons.
The selected day is blinking.
5Press the < button to confirm the selected day.
The first programmed action of the selected day appears.
6Use the pi and pj buttons to consult the other
programmed actions of that day.
This is called the readout mode. Empty program actions (e.g. 4
and 5) are not displayed.
7Press the < button for 5 seconds to enter the programming
mode.
8Use the < button to select the action number you would like to
program or to modify.
9Use the ba button to select:
- x: to switch cooling or heating and the controller off.
- 9: set the temperature by means of the bi and
bj buttons.
- a: to select automatic temperature calculation (only in
heating mode).
10 Use the pi and pj buttons to set the correct action time.
11 Repeat steps 8 to 10 to program the other actions of the
selected day.
When all actions have been programmed, make sure that the
display shows the highest action number you would like to save.
12 Press the < button for 5 seconds to store the programmed
actions.
If the < button is pressed when action number 3 is displayed,
actions 1, 2 and 3 are stored but 4 and 5 are deleted.
You automatically return to step 6.
By pressing the pr button several times, you return to previous
steps in this procedure and finally return to normal operation.
Programming quiet mode, booster heating or domestic water
heating
Programming domestic water heating, booster heater or quiet mode
is carried out as follows:
NOTE
Returning to previous steps in the programming
procedure without saving modified settings is done by
pressing the pr button.
1Press the < button.
The actual mode is blinking.
2Use the pi and pj buttons to select the mode you want
to program (quiet mode
s, booster heating m or domestic
water heating w).
The selected mode is blinking.
3Press the < button to confirm the selected mode.
The first programmed action is displayed.
4Use the pi and pj buttons to consult the programmed
actions.
This is called the readout mode. Empty program actions (e.g. 4
and 5) are not displayed.
5Press the < button for 5 seconds to enter the programming
mode.
6Use the < button to select the action number you would like to
program or to modify.
7Use the pi and pj buttons to set the correct action time.
8Use the ba button to select or deselect x as action.
9Repeat steps 6 to 8 to program the other actions of the selected
mode.
When all actions have been programmed, make sure that the
display shows the highest action number you would like to save.
Operation manual
9
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
10 Press the < button for 5 seconds to store the programmed
actions.
If the < button is pressed when action number 3 is displayed,
actions 1, 2 and 3 are stored but 4 and 5 are deleted.
You automatically return to step 4. By pressing the pr button
several times, you return to previous steps in this procedure and
finally return to normal operation.
Consulting programmed actions
Consulting space cooling or space heating actions
Consulting space cooling or space heating is done in the
same way. At the start of the consulting procedure space
cooling or space heating is selected. After that, you have to
return to the start of the consulting procedure to consult
the other operation mode.
Consulting space cooling or space heating is carried out as follows.
NOTE
1Use the = button to select the operation mode (cooling or
2Press the < button.
3Press the < button to confirm the selected mode.
4Select the day you would like to consult by means of the pi
5Press the < button to confirm the selected day.
6Use the pi and pj buttons to consult the other
Consulting domestic water heating, booster heater or quiet
mode
Consulting domestic water heating, booster heater or quiet mode is
carried out as follows.
NOTE
1Press the < button.
2Use the pi and pj buttons to select the mode you want
3Press the < button to confirm the selected mode.
4Use the pi and pj buttons to consult the programmed
Returning to previous steps in this procedure is done
by pressing the pr button.
heating) you want to consult.
The actual mode is blinking.
The actual day is blinking.
and pj buttons.
The selected day is blinking.
The first programmed action of the selected day appears.
programmed actions of that day.
This is called the readout mode. Empty program actions (e.g. 4
and 5) are not displayed.
By pressing the pr button several times, you return to previous
steps in this procedure and finally return to normal operation.
Returning to previous steps in this procedure is done
by pressing the pr button.
The actual mode is blinking.
to consult (quiet mode
s, booster heating m or domestic
water heating w).
The selected mode is blinking.
The first programmed action is displayed.
actions.
This is called the readout mode. Empty program actions (e.g. 4
and 5) are not displayed.
By pressing the pr button several times, you return to previous
steps in this procedure and finally return to normal operation.
Tips and tricks
Programming the next day(s)
After confirming the programmed actions of a specific day (i.e. after
pressing the < button for 5 seconds), press the pr button once. You
can now select another day by using the pi and pj buttons
and restart consulting and programming.
Copying programmed actions to next day
In heating/cooling program it is possible to copy all programmed
actions of a specific day to the next day (e.g. copy all programmed
actions from "1" to "2").
To copy programmed actions to the next day, proceed as follows:
1Press the < button.
The actual mode is blinking.
2Use the pi and pj buttons to select the mode you want
to program.
The selected mode is blinking.
You can leave programming by pressing the pr button.
3Press the < button to confirm the selected mode.
The actual day is blinking.
4Select the day you would like to copy to the next day by means
of the pi and pj buttons.
The selected day is blinking.
You can return to step 2 by pressing the pr button.
5Press the < and pr buttons simultaneously for 5 seconds.
After 5 seconds the display will show the next day (e.g. "2" if
"1" was selected first). This indicates that the day has been
copied.
You can return to step 2 by pressing the pr button.
Deleting one or more programmed actions
Deleting one or more programmed actions is done at the same time
as storing the programmed actions.
When all actions for one day have been programmed, make sure that
the display shows the highest action number you would like to save.
By pressing the < button for 5 seconds, you store all actions except
those with a higher action number than the one that is displayed.
E.g. when the < button is pressed when action number 3 is
displayed, actions 1, 2 and 3 are stored but 4 and 5 are deleted.
Deleting a mode
<
1Press the
The actual mode is blinking.
2Use the pi and pj buttons to select the mode you want
to delete (quiet mode s, booster heating m or domestic water
heating w).
The selected mode is blinking.
3Press the < and ba button simultaneously for 5 seconds to
delete the selected mode.
Deleting a day of the week (cooling or heating mode)
1Use the = button to select the operation mode (cooling or
heating) you want to delete.
2Press the < button.
The actual mode is blinking.
3Press the < button to confirm the selected mode.
The actual day is blinking.
4Select the day you would like to delete by means of the pi
and pj buttons.
The selected day is blinking.
5Press the < and ba button simultaneously for 5 seconds to
delete the selected day.
button.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Operation manual
10
FIELDSETTINGS
NOTE
The unit shall be configured by the installer to match the installation
environment (outdoor climate, installed options, etc.) and user
demand. However, the field settings mentioned in "Field settings
table" on page 14 can be modified to customer preferences. Thereto,
a number of so called field settings are available. These field settings
are accessible and programmable through the user interface on the
indoor unit.
Each field setting is assigned a 3-digit number or code, for example
[5-03], which is indicated on the user interface display. The first digit
[5] indicates the 'first code' or field setting group. The second and
third digit [03] together indicate the 'second code'.
A list of all field settings and default values is given under "Field
settings table" on page 14. In this same list, we provided for 2
columns to register the date and value of altered field settings at
variance with the default value.
A detailed description of each field setting is given under "Detailed
description" on page 11.
Procedure
To change one or more field settings, proceed as follows.
3
2
The default values mentioned in "Field settings table"
on page 14 are the values from factory. The actual
initial values shall be selected according to your
application. These values shall be confirmed by your
installer.
CAUTION
The field settings [2] depends on the relevant local laws
and regulations.
The field settings [9] depends on the application.
Before changing these settings, the new values shall be
confirmed by the installer and/or shall be according to the
local laws and regulations.
Temperature values displayed on the digital controller
(user interface) are in °C.
Temperature values in °C are between brackets.
Conversion from °C to °F is for information only.
1
1Press the z button for a minimum of 5 seconds to enter FIELD
SET MODE.
The $ icon (3) will be displayed. The current selected field
setting code is indicated ; (2), with the set value displayed to
the right - (1).
2Press the bgi button to select the appropriate field
setting first code.
3Press the bgj button to select the appropriate field
setting second code.
4Press the pfi button and pfj button to change
the set value of the select field setting.
5Save the new value by pressing the pr button.
6Repeat step 2 through 4 to change other field settings as
required.
7When finished, press the z button to exit FIELD SET MODE
NOTE
Changes made to a specific field setting are only
.
stored when the pr button is pressed. Navigating to a
new field setting code or pressing the z button will
discard the change made.
■Before shipping, the set values have been set as
shown under "Field settings table" on page 14.
■When exiting FIELD SET MODE, "88" may be
displayed on the user interface LCD while the unit
initialises itself.
Detailed description
[0] User permission level
If required, certain user interface buttons can be made unavailable for
the user.
Three permission levels are defined (see the table below). Switching
between level 1 and level 2/3 is done by simultaneously pressing
buttons pfi and pfj immediately followed by
simultaneously pressing buttons s and ba, and keeping all 4
buttons pressed for at least 5 seconds (in normal mode). Note that no
indication on the user interface is given. When level 2/3 is selected,
the actual permission level — either level 2 or level 3 — is
determined by the field setting [0-00].
Permission level
Button
Quiet mode button
Weather dependent
set point button
Schedule timer
enable/disable button
Programming button
Time adjust buttons
Inspection/test
operation button
s
ba
pr
<
pf
i
pf
j
z
123
operable——
operable——
operableoperable—
operable——
operable——
operable——
Operation manual
11
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
[1] Weather dependent set point (heating operation only)
The weather dependent set point field settings define the parameters
for the weather dependent operation of the unit. When weather
dependent operation is active the water temperature is determined
automatically depending on the outdoor temperature: colder outdoor
temperatures will result in warmer water and vice versa. During
weather dependent operation, the user has the possibility to shift up
or down the target water temperature by a maximum of 41°F (5°C).
See "Selecting weather dependent set point operation (only in
heating mode)" on page 6 more details on weather dependent
operation.
■ [1-00] Low ambient temperature (Lo_A): low outdoor
temperature.
■ [1-01] High ambient temperature (Hi_A): high outdoor
temperature.
■ [1-02] Set point at low ambient temperature (Lo_Ti): the
target outgoing water temperature when the outdoor
temperature equals or drops below the low ambient
temperature (Lo_A).
Note that the Lo_Ti value should be higher than Hi_Ti, as for
colder outdoor temperatures (i.e. Lo_A) warmer water is
required.
■ [1-03] Set point at high ambient temperature (Hi_Ti): the
target outgoing water temperature when the outdoor
temperature equals or rises above the high ambient
temperature (Hi_A).
Note that the Hi_Ti value should be lower than Lo_Ti, as for
warmer outdoor temperatures (i.e. Hi_A) less warm water
suffices.
T
t
Lo_Ti
+ 05
Shift value
Hi_Ti
Lo_AHi_AT
T
Target water temperature
t
T
Ambient (outdoor) temperature
A
= Shift value
00
– 05
A
[2] Disinfection function
Applies only to installations with a domestic hot water tank.
The disinfection function disinfects the domestic hot water tank by
periodically heating the domestic water to a specific temperature.
The disinfection function field settings must be configured
by the installer according to national and local regulations.
■ [2-00] Operation interval: day(s) of the week at which the
domestic water should be heated.
■ [2-01] Status: defines whether the disinfection function is
turned on (1) or off (0).
■ [2-02] Start time: time of the day at which the domestic water
should be heated.
■ [2-03] Set point: high water temperature to be reached.
■ [2-04] Interval: time period defining how long the set point
temperature should be maintained.
T
DHW
[2-03]
T
H
T
U
00.0022.0024.0001.0023.00t
T
Domestic hot water temperature
DHW
T
User set point temperature (as set on the user interface)
U
T
High set point temperature [2-03]
H
tTime
[2-04]
[2-02]
WARNING
Be aware that the domestic hot water temperature at the
hot water tap will be equal to the value selected in field
setting [2-03] after a disinfection operation.
If this high domestic hot water temperature can be a
potential risk for human injuries, a mixing valve (field
supply) shall be installed at the hot water outlet connection
of the domestic hot water tank. This mixing valve shall
secure that the hot water temperature at the hot water tap
never rise above a set maximum value. This maximum
allowable hot water temperature shall be selected
according to local laws and regulations.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
[3] Auto restart
When power returns after a power supply failure, the auto restart
function reapplies the user interface settings at the time of the power
supply failure.
NOTE
It is therefore recommended to leave the auto restart
function enabled.
Note that with the function disabled the schedule timer will not be
activated when power returns to the unit after a power supply failure.
Press the pr button to enable the schedule timer again.
■ [3-00] Status: defines whether the auto restart function is
turned ON (0) or OFF (1).
NOTE
If the benefit kWh rate power supply is of the type that
power supply is interrupted, then always allow the auto
restart function.
Operation manual
12
[4] Space heating off temperature
Space heating off temperature
■ [4-02] Space heating off temperature: outdoor temperature
above which space heating is turned off, to avoid
overheating.
[9] Cooling and heating set points
The purpose of this field setting is to prevent the user from selecting
a wrong (i.e., too hot or too cold) leaving water temperature. Thereto
the heating temperature set point range and the cooling temperature
set point range available to the user can be configured.
CAUTION
■In case of a floor heating application, it is important to
limit the maximum leaving water temperature at
heating operation according to the specifications of
the floor heating installation.
■In case of a floor cooling application, it is important to
limit the minimum leaving water temperature at
cooling operation (field setting of parameter [9-03]) to
61°F~64°F (16~18°C) to prevent condensation on the
floor.
■ [9-00] Heating set point upper limit: maximum leaving water
temperature for heating operation.
■ [9-01] Heating set point lower limit: minimum leaving water
temperature for heating operation.
■ [9-02] Cooling set point upper limit: maximum leaving water
temperature for cooling operation.
■ [9-03] Cooling set point lower limit: minimum leaving water
temperature for cooling operation.
[A] Quiet mode
This field setting allows to select the desired quiet mode. Two quiet
modes are available: quiet mode A and quiet mode B.
In quiet mode A, priority is given to the unit operating quietly under all
circumstances. Fan and compressor speed (and thus performance)
will be limited to a certain percentage of the speed at normal
operation. In certain cases, this might result in reduced performance.
In quiet mode B, quiet operation might be overridden when higher
performance is required. In certain cases, this might result in less
quiet operation of the unit to meet the requested performance.
■ [A-00] Quiet mode type: defines whether quiet mode A (0) or
quiet mode B (2) is selected.
■ [A-01] Parameter 01: do not change this setting. Leave it set
to its default value.
Do not set other values than the ones mentioned.
[D] Local shift value weather dependent
Local shift value weather dependent
The local shift value weather dependent field setting is only relevant
in case weather dependent set point (see field setting "[1] Weather
dependent set point (heating operation only)" on page 12) is
selected.
■ [D-03] Local shift value weather dependent: determines the
shift value of the weather dependent set point around
outdoor temperature of 32°F (0°C).
T
t
[1-02]
local shift value
[1-03]
local shift valueLocal shift value
[1-00], [1-01],
[1-02], [1-03]
[D-03]
range
[1-00] 32°F
T
t
T
A
rangeRange
0——
1
24
3
44
[1-01]
0°C
Target water temperature
Outdoor temperature
Applicable field setting of the weather
dependent set point [1]
Outdoor temperature range
(T
A
28.4°F~35.6°F
(–2°C~2°C)
24.8°F~39.2°F
(–4°C~4°C)
T
A
)
Local shift value
2
2
[E] Unit information readout
■ [E-00] Readout of the software version (example: 23)
■ [E-01] Readout of the EEPROM version (example: 23)
■ [E-02] Readout of the unit model identification (example: 11)
■ [E-03] Readout of the liquid refrigerant temperature
■ [E-04] Readout of the inlet water temperature
NOTE
[E-03] and [E-04] readouts are not permanently
refreshed. Temperature readouts are updated
after looping through the field setting first codes
again only.
[C] Setup on EKRP1HB digital I/O PCB
Solar priority mode
■ [C-00] Solar priority mode setting: for information concerning
the EKSOLHW solar kit, refer to the installation manual of
that kit.
Operation manual
13
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Field settings table
Temperature values displayed on the digital controller (user interface) are in °C.
Temperature values in °C are between brackets. Conversion from °C to °F is for information only.
00Installation related setting
01Installation related setting
02Space heating off temperature95
03Installation related setting
04Installation related setting
00Installation related setting
01Installation related setting
02Installation related setting
03Installation related setting
04Installation related setting
00Installation related setting
01Installation related setting
02Installation related setting
00Installation related setting
01Installation related setting
02Installation related setting
03Installation related setting
04Installation related setting
00Installation related setting
01Installation related setting
02Installation related setting
03Installation related setting
04Installation related setting
Installer setting at variance with default value
Default
value
(–10)
(15)
(40)
(25)
Fri
(70)
(35)
RangeStepUnitDateVal ueDateVal ue
–4~41
(–20~5)
50~68
(10~20)
77~131
(25~55)
77~131
(25~55)
Mon~Sun,
All
104~176
(40~80)
57.2~95
(14~35)
1.8
(1)
1.8
(1)
1.8
(1)
1.8
(1)
——
9
(5)
1.8
(1)
°F
(°C)
°F
(°C)
°F
(°C)
°F
(°C)
°F
(°C)
°F
(°C)
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Operation manual
14
First
Second
code
code
Setting name
9Cooling and heating set point ranges
00Heating set point upper limit131
01Heating set point lower limit77
02Cooling set point upper limit71.6
03Cooling set point lower limit41
04Installation related setting
AQuiet mode
00Quiet mode type
01Parameter 01
02Not applicable
03Not applicable
04Not applicable
bNot applicable
00Not applicable
01Not applicable
02Not applicable
03Not applicable
04Not applicable
CSetup on EKRP1HB digital I/O PCB
00Solar priority mode setting
01Installation related setting
02Installation related setting
03Installation related setting
04Installation related setting
DLocal shift value weather dependent
00Installation related setting
01Installation related setting
02Installation related setting
03Local shift value weather dependent
EUnit information readout
00Software versionRead
01EEPROM versionRead
02Unit model identificationRead
03Liquid refrigerant temperatureRead
04Inlet water temperatureRead
FInstallation related settings
00Installation related setting
01Installation related setting
02Installation related setting
03Installation related setting
04Installation related setting
Installer setting at variance with default value
Default
value
(55)
(25)
(22)
(5)
00/2——
3———
1Read only——
0Read only——
0Read only——
0Read only——
0Read only——
0Read only——
0Read only——
0Read only——
00/11—
00/1/2/3/4——
only
only
only
only
only
RangeStepUnitDateVal ueDateVal ue
98.6~131
(37~55)
59~98.6
(15~37)
64.4~71.6
(18~22)
41~64.4
(5~18)
———
———
———
——
——
1.8
(1)
1.8
(1)
1.8
(1)
1.8
(1)
°F
(°C)
°F
(°C)
°F
(°C)
°F
(°C)
°F
(°C)
°F
(°C)
Operation manual
15
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
MAINTENANCE
Important information regarding the refrigerant used
This product contains fluorinated greenhouse gases covered by the
Kyoto Protocol.
Refrigerant type:R410A
(1)
GWP
value:1975
(1)
GWP = global warming potential
Periodical inspections for refrigerant leaks may be required
depending on European or local legislation. Please contact your local
dealer for more information.
Maintenance activities
DANGER
■Do not touch water pipes during and immediately after
operation as the pipes may be hot. Your hand may
suffer burns. To avoid injury, give the piping time to
return to normal temperature or be sure to wear
proper gloves.
■Do not touch any switch with wet fingers. Touching a
switch with wet fingers can cause electrical shock.
WARNING
Do not touch the refrigerant pipes during and immediately
after operation as the refrigerant pipes may be hot or cold,
depending on the condition of the refrigerant flowing
through the refrigerant piping, compressor, and other
refrigerant cycle parts. Your hands may suffer burns or
frostbite if you touch the refrigerant pipes. To avoid injury,
give the pipes time to return to normal temperature or, if
you must touch them, be sure to wear proper gloves.
In order to ensure optimal availability of the unit, a number of checks
and inspections on the unit and the field wiring have to be carried out
at regular intervals, preferably yearly. This maintenance should be
carried out by your local Daikin technician (see installation manual).
The only maintenance which may be required by the operator is:
■keeping the remote controller clean by means of a soft damp
cloth,
■checking if the water pressure indicated on the manometer is
above 14.5 psi (1 bar).
Only for the optional domestic hot water tank:
■A check for correct operation of the pressure relief valve
installed on your domestic hot water tank, has to be carried out
at least every 6 months: it is important that the lever on the valve
is actuated to prevent accumulation of mineral deposits that may
impair valve operation and to confirm that the valve and
discharge pipe are not blocked. The lever should be operated
slowly and smoothly to avoid a sudden rush of hot water from
the discharge pipe.
Failure to operate the relief valve actuating lever may result in
the water heater exploding.
■Continuous leakage of water from the discharge pipe may
indicate a problem with the water heater.
■If a discharge pipe is connected to the pressure relief device it
must be installed in a continuously downward direction and in a
frost-free environment. It must be left open to the atmosphere.
CAUTION
If the supply cord is damaged, it must be replaced by the
manufacturer, its agent or similar qualified persons in order
to avoid hazards.
Standstill
During longer periods of standstill, e.g. during summer with
a heating only application or during longer periods when
there is no need of an operating unit, it is very important
NOT TO SWITCH OFF THE POWER SUPPLY towards the
unit.
Switching off the power supply stops the automatic
repetitive movement of the motor in order to prevent it from
getting jammed.
In case of a power supply failure or pump operating failure,
drain the system (as suggested in the figure below).
A
When water is at standstill inside the system, freezing up is
very likely to happen and damaging the system in the
proces.
<A
TROUBLESHOOTING
The guidelines below might help to solve your problem. If you cannot
solve the problem, consult your installer.
POSSIBLECAUSESCORRECTIVEACTIONS
No readings on the remote controller
(blank display)
One of the error codes appearsConsult your local dealer.
The schedule timer does work but
the programmed actions are
executed at the wrong time
(e.g. 1 hour too late or too early)
The schedule timer is programmed
but does not work.
Capacity shortageConsult your local dealer.
• Check if the mains power is still
connected to your installation.
• The benefit kWh rate power supply is
active (see installation manual).
Refer to the installation manual for a
detailed list of error codes.
Check if the clock and the day of the
week are set correctly, correct if
necessary.
In case the pr icon is not displayed,
push the pr button to enable the
schedule timer.
DISPOSALREQUIREMENTS
Dismantling of the unit, treatment of the refrigerant, of oil and of other
parts must be done in accordance with relevant local and national
legislation.
Your product is marked with this symbol. This means that
electrical and electronic products shall not be mixed with
unsorted household waste.
Do not try to dismantle the system yourself: the dismantling of the
system, treatment of the refrigerant, of oil and other parts must be
done by a qualified installer in accordance with relevant local and
national legislation.
Units must be treated at a specialized treatment facility for re-use,
recycling and recovery. By ensuring this product is disposed off
correctly, you will help to prevent potential negative consequences for
the environment and human health. Please contact the installer or
local authority for more information.
EDLQ036~054BA6VJU1 + EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56183-1
Operation manual
16
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