ComfoControl Ease User manual
ComfoControl Ease
User manual
Heating
Cooling
Fresh Air
Clean Air
All rights reserved.
This documentation has been compiled with the utmost care. The publisher cannot be
held liable for any damage caused as a result of missing or incorrect information in this
manual.
2 - EN
Table of contents
Foreword
1.
Introduction and Safety ..................................................................................... 4
2.
Use of the ComfoControl Ease .......................................................................... 5
2.1.
Time and Date Settings .............................................................................. 6
2.2.
Reading and setting the comfort temperature ............................................ 7
2.3.
Reading and setting the ventilation volume ................................................ 7
2.4.
Temporarily activating high setting ............................................................. 8
2.5.
Switching the extractor hood on/off (optional) ........................................... 9
2.6.
Switching supply and exhaust fan on/off .................................................... 9
2.7.
Ventilation programme settings (optional) ................................................ 10
2.8.
Setting additional programmes via P menus ............................................ 11
3.
P menus ............................................................................................................. 12
4.
Warranty and liability ....................................................................................... 16
5.
End of useful life ............................................................................................... 16
6.Maintenance ..................................................................................................... 16
7.Malfunctions ..................................................................................................... 17
EN - 3
Foreword
Read this manual carefully
before use.
This manual provides all the information
required for safe and optimal operation
and maintenance of the
ComfoControl Ease. The device is
subject to continuous development
and improvement. There is therefore a
possibility that the ComfoControl Ease
differs slightly from the descriptions
given.
Applicable pictograms
The following pictograms are used in this
manual:
Point to watch.
Questions
Please contact Zehnder with any
questions you might have on
+31 38 42 96 911 or via email at
[email protected]
You can find more information on Zehnder
at: www.zehnder-jestorkair.nl.
1.Introduction
Congratulations, you now own
a ComfoControl Ease. We
wish you lots of comfort.
What is the purpose of this control
unit?
The ComfoControl Ease - referred to
further as the CC Ease - enables users
4 - EN
to easily and comfortably operate a
Zehnder balanced ventilation system with
heat recovery. The CC Ease is usually
mounted on the living room wall. It
displays all important information about
the ventilation system - referred to further
as the ComfoAir - being operated. This
means it is not necessary to access
the ComfoAir unit itself to check that
everything is functioning properly.
The ComfoAir user manual covers in
greater detail ventilation issues and
how the ComfoAir works. A copy of this
manual can be obtained from Zehnder.
Safety instructions
Always comply with safety regulations
in this manual. If the safety regulations,
warnings, comments and instructions
are not complied with, this can lead to
personal injury or damage to the
CC Ease.
■The CC Ease may only be fitted,
connected and commissioned by a
registered installer;
■Installation of the CC Ease must
be carried out in accordance with
the general and locally applicable
construction, safety and installation
instructions of the local council and
electricity company;
■Store the manual in the vicinity of the
CC Ease for its entire working life.
2. Use of the ComfoControl Ease
The overview below summarizes the information that will be displayed on the CC Ease.
Time and date
Automatic (AUTO)
or manual
ventilation (MANUAL)
Signal to replace internal
(I) or external (E) filter
Actual ventilation setting
(with activated extractor
hood where fitted)
Supply air or
exhaust air
ON or OFF
Geothermal heat
exchanger (EWT),
Post-heater
and/or
bypass
activated
Comfort temperature or
temporary high setting,
analogue programme active
The CC Ease panel has a number of buttons to operate the ComfoAir and to enter the
settings. These buttons are illustrated below.
This button switches to the highest ventilation setting.
- Press for less than 2 seconds  Extractor hood ON or OFF (optional).
- Press for longer than 2 seconds  Temporary high setting ON.
This button allows you to switch between supply/exhaust.
- Press once  SUPPLY OFF (and EXHAUST ON).
- Press twice  EXHAUST OFF (and SUPPLY ON).
- Press 3 times  SUPPLY and EXHAUST both ON.
This button allows you to display or set the comfort temperature.
- Press for less than 2 seconds  READ.
- Press for longer than 2 seconds  SET.
This button allows you to adjust two settings.
- Press for less than 2 seconds  Set ventilation programme (AUTO / MANUAL).
- Press for longer than 2 seconds  Set date and time.
These buttons allow you to adjust various settings:
- In P menu or comfort temperature screen  Set values.
- In main menu  enter ventilation setting (A, 1, 2, 3).
EN - 5
If an extractor hood is not
registered or is not supported,
then the Temporary High Setting
will be activated by a short press
of the button.
2.1 Time and date settings
1.Press
longer than 2 seconds.
- Wait until the day, e.g. “Sa”, starts
flashing.
2. Select the required day using
or
.
While the open fire programme is
activated, or when an ComfoCool
is registered, the supply and
exhaust fan cannot be manually
switched off.
Not all CC Ease operating
functions are supported by each
ventilation system.
The CC Ease allows the following
functions to be programmed and
displayed:
■Reading and setting the day and time;
■Reading and setting the comfort
temperature;
■Reading and setting the ventilation
volume;
■Activating the temporary high setting;
■Switching the extractor hood on/off
(optional);
■Switching the supply and exhaust fan
on/off (optional);
■Setting a personal ventilation
programme;
■Setting additional ventilation
programmes/options in the P menus.
3.Press
.
- Wait until the hours, e.g. “12”, flash.
4. Select the required hour using
or
.
5.Press
.
-Wait until the minutes, e.g. “00”,
flash.
6. Select the required minutes using
or
.
A concise explanation of the above listing
is given in the paragraphs below.
I f no buttons are used for 30
seconds, then the CC Ease will
automatically return to the main
screen.
6 - EN
7.Press
to save the settings and
return to the main screen.
2.2 Reading and setting the comfort
temperature
The comfort temperature can be read,
but also set to the desired indoor
temperature. Based on this temperature,
the ComfoAir will then automatically
switch to free cooling using the bypass if
required.
Reading the comfort temperature
1. Press
briefly.
- Wait until the comfort temperature
is displayed.
2. Press
to return to the main
screen.
Setting the comfort temperature
1. Press
longer than 2 seconds.
- Wait until the comfort temperature,
e.g. “20.0”, flashes.
2. Select the desired comfort
temperature using
or
.
3. Press
(this time briefly) to save
the settings and return to the main
screen.
It is best to set the comfort
temperature to the same
temperature as the room
thermostat (of the central heating
system).
2.3 Reading and setting the ventilation
volume
Reading the ventilation volume
The current ventilation volume, e.g. “2”,
will always be displayed on the CC Ease.
Normally the ComfoAir regulates the
required ventilation levels automatically
in accordance with a preset ventilation
programme. During automatic ventilation
mode “AUTO” will be displayed on the
CC Ease.
Besides showing the programmed
ventilation setting, the CC Ease panel
also displays whether a temporary
control system (such as a CO2 sensor
or a bathroom switch) is overriding the
ventilation setting.
In the event a required ventilation setting
is being overridden by a time delay
function (such as the bathroom switch
deactivation delay), a “t” is displayed in
the bottom right-hand corner of the
CC Ease.
In the event a required ventilation setting
is being overridden by a signal from a
sensor (such as a CO 2 sensor), an “A”
is displayed in the bottom right-hand
corner of the CC Ease.
EN - 7
Setting ventilation levels:
1.Press
to increase the ventilation
level.
2.Press
to decrease the ventilation
level.
Setting the ventilation levels
The ventilation level can also be set
manually by setting this higher or lower.
A total of 4 ventilation volumes/levels can
be set. These are:
■ Setting A ¨ A bsent.
- U se when house is
unoccupied.
■
■
■
■
At level A, the house is ventilated
using the minimum prescribed
ventilation volume.
Setting 1  L ow.
- U se for low ventilation
requirements.
Setting 2  M edium.
- U se for normal
ventilation
requirements.
Setting 3  High.
- U se when cooking,
showering and when
extra ventilation is
required.
 Temporary high setting
Timer
- U se this position during
cooking, showering and
when extra ventilation
is briefly required.
The ComfoAir will switch to the
highest ventilation position set in
the house unless overruled by an
automated software programme.
8 - EN
During manual ventilation, the CC Ease
will not display “AUTO”, but “MANUAL”.
3. Press
to return to automatic
ventilation.
2.4 Temporarily activating high setting
1. Press
longer than 2 seconds.
- Wait until “3t” is displayed.
Once the programmed time delay is
complete, the ComfoAir automatically
switches back to the former ventilation
setting.
The timer of the temporary high
setting can be switched off early
by pressing
,
or
.
2.5Switching the extractor hood on/
off (optional)
1.Press
.
- Wait until the ComfoAir switches
to Setting 3 and the symbol for the
extractor hood is displayed.
While the time delay is still active, a “t”
will be displayed instead of the extractor
hood symbol.
he timer of the extractor hood time
T
delay programme can be switched
off early by pressing
or
.
2.6 S witching supply and exhaust fan
on/off (optional)
2. Press “
” to switch off the
extractor hood.
After switching off the extractor hood the
ComfoAir returns to the normal ventilation
setting and the extractor hood symbol
disappears from the CC Ease.
While the open fire programme is
activated, or when an ComfoCool
is registered, the supply and
exhaust fan cannot be manually
switched off.
1.Press
once (first time) to switch
off the supply fan.
AUTO
I f a time delay has been
programmed for the extractor
hood, then the ComfoAir will
only switch to the normal
ventilation setting once the time
delay has run its course.
This setting is used when the windows
are open in the summer. Then fresh air
is not supplied via the supply fan, but
through the open windows.
EN - 9
2.Press
again (second time) to
switch the exhaust fan off (and to
switch the supply fan on at the same
time).
3.Press
again (third time) to switch
the supply and exhaust fans on
again.
ear in mind that switching off
B
the supply or exhaust fan will
temporarily immobilize your
dwelling’s balanced ventilation
system.
2.7 Ventilation programme settings
Ex-factory the ComfoAir has a standard
ventilation level (setting 2) in its ventilation
programme.
If required, you can change the default
ventilation setting to suit your individual
situation. Examples include weekday and
weekend programmes.
10 - EN
Setting A can not be programmed. For
the remaining settings eight changeovers
per day can be programmed.
The ventilation volume can be changed/
set as follows:
1.Press
and
together for 2
seconds.
- Wait until the ventilation programme
appears.
2. Programme the required day or
series of days.
- Select the required option using
or
.
You can choose from:
- Weekend: “SaSu”;
- Working week: “MoTuWeThFr”;
- Week: “SaSuMoTuWeThFr”;
- S eparate days: “Sa”, “Su”, “Mo”,
“Tu”, “We”, “Th” and “Fr”;
3.Press
;
- Wait until the number of the
ventilation profile stage flashes
(bottom right);
4. Select the desired ventilation profile
stage using
or
, e.g. a “1”
flashes.
The selected ventilation
profile stage will be deleted if
ventilation setting “d” is selected
here. Setting A can not be
programmed.
5. Press
.
- Wait until the hours flash, e.g. “7”.
6. Select the required start time in
hours using
or
.
11. Press
to save the settings and
return to the main screen.
12. Programme the next ventilation
profile stage if required. Up to eight
ventilation profile stages can be
programmed.
- Simply repeat steps 1 to 11.
7. Press
.
- Wait until the minutes flash, e.g.
“00”.
8. Select the required start time in
minutes using
or
.
19. Press
- Wait until the ventilation setting
flashes, e.g. “3”.
10. Select the desired ventilation setting
using
or
.
Selecting factory reset will
reload the default ventilation
programme.
2.8 Setting additional programmes via
P menus
Using some P menus in the ComfoAir, you
can:
■ Read the status of various ventilation
programmes;
■ Switch the time delay function on or off
for various ventilation programmes;
■ Programme a time delay for various
ventilation settings.
The user can only access P
menus: P1, P2 and P9 additional
programme settings. The
remaining P menus (P3 to P8) are
for use by the installer only.
EN - 11
Accessing the P menus
1.Press
and
together for 2
seconds.
- Wait until P menu “P2” appears on
the display.
2. Select the required P menu, e.g. 2,
using
or
.
Return to main screen
9. Press
twice to go back.
3.Press
.
4. Select the required P submenu, e.g.
“23”, using
or
.
5.Press
.
ettings can only be entered in
S
the P2 menus. The other P menus
(P1 and P9) are read-only.
Exiting read-only menu
■Press
at step 7 (instead of
).
3 P menus
Entering settings in P menus
he minimum and maximum
T
values for the available
ventilation programmes are
preset in the software.
6. Select a new value for the
programme using
or
.
7.Press
to save these settings.
8. Repeat steps 4 to 7 to enter multiple
programmes in succession. Or press
to return to the P menus so you
can repeat steps 2 to 7.
12 - EN
Not all functions are supported by every
ComfoAir. This might result in certain
P menus not being visible. It is also
possible that some changes you enter
appear to have no effect. The ComfoAir
user manual states which functions are
supported. This manual will also mention
the effects of the different functions.
Menu P1 ➝ Status of programmes
Status
Sub-menu
Description
Activated
P10
Is menu 20 currently active?
Yes (1) / No (0)
P11
Is menu 21 currently active?
Yes (1) / No (0)
P12
Is menu 22 currently active?
Yes (1) / No (0)
P13
Is menu 23 currently active?
Yes (1) / No (0)
P14
Is menu 24 currently active?
Yes (1) / No (0)
P15
Is menu 25 currently active?
Yes (1) / No (0)
P16
Is menu 26 currently active?
Yes (1) / No (0)
P19
Is menu 29 currently active?
Yes (1) / No (0)
Menu P2 ➝ Setting time delays
Values
Time delay
Sub-menu
Description
Minimum
Maximum
Factory
reset
P20
(Optional)
Deactivation delay for the extractor
hood programme.
■“x” minutes after operating the
extractor hood switch, the ComfoAir
reverts back to its normal setting.
0 Min.
180 Min.
0 Min
Activation delay for the bathroom
switch (to switch to high position).
■“x” minutes after operating the
bathroom switch, the ComfoAir
switches to the high setting.
0 Min.
15 Min.
0 Min.
Deactivation delay for the bathroom
switch (to switch to normal setting).
■“x” minutes after operating the
bathroom switch, the ComfoAir
switches to the normal setting.
0 Min.
120 Min.
30 Min.
Note:
Only applicable to installations
with a corded extractor hood
with temperature sensor.
P21
(Optional)
Note:
Only applies to systems fitted
with a corded switch and a
second switch in the bathroom.
P22
(Optional)
Note:
Only applies to systems fitted
with a corded switch and a
second switch in the bathroom.
EN - 13
Values
Time delay
Sub-menu
Description
Minimum
Maximum
Factory
reset
P23
(Optional)
Deactivation delay for ventilation
setting 3.
■If you BRIEFLY engage ventilation
setting 3 (<3sec.), the ComfoAir
switches to the HIGH SETTING
for “x” minutes and then switches
back automatically to the normal
ventilation setting.
0 Min.
120 Min.
0 Min.
Note:
Only applies to systems fitted
with a corded 3-position
switch.
If a 3-position switch is operated during
the time delay mode, then the ComfoAir
switches immediately to the selected
ventilation setting.
P24
Filter warning
■“x” weeks after the filter has been
cleaned or replaced, a “filter dirty”
alert will appear once again.
10 weeks
26 weeks
16
weeks
P25
(Optional)
Deactivation delay for ventilation setting
 ).
3 (using
1 Min.
20 Min.
10 Min.
Note:
Only applies to systems fitted
with an RF switch.
■ After pressing
BRIEFLY (<2
sec.), the ComfoAir switches to the
high setting for “x” minutes and then
switches back automatically to the
normal ventilation setting.
1 Min.
120 Min.
30 Min.
If a 3-position switch is operated during
the time delay mode, then the ComfoAir
switches immediately to the selected
ventilation setting.
P26
(Optional)
Deactivation delay for ventilation setting
.
3 
Note:
Only applies to systems fitted
with an RF switch.
■ After pressing and HOLDING (>2
sec.) 
, the ComfoAir switches to the
high
setting for “x” minutes and
then switches back automatically to the
normal ventilation setting.
If a 3-position switch is operated during
the time delay mode, then the ComfoAir
switches immediately to the selected
ventilation setting.
14 - EN
Values
Time delay
Sub-menu
Description
Minimum
Maximum
Factory
reset
P27
Time for the temporary high setting.
■After pressing and holding (>2 sec.)
, the ComfoAir switches to the
high setting for “x” minutes and
then switches back automatically to
the normal ventilation setting.
0 Min.
120 Min.
30 Min.
1%
99%
10%
If a 3-position switch is operated during
the time delay mode, then the ComfoAir
switches immediately to the selected
ventilation setting.
P29
(Optional)
Note:
Only applicable to installations
with a corded extractor hood
with temperature sensor.
Setting the extractor hood ventilation
levels.
■When the extractor hood is switched
on, its ventilation levels can be set
x % higher than the corresponding
“normal” ventilation levels.
Menu P9 ➝ Status of programmes
(from menus P5 and P6 additional programmes)
Status
Sub-menu
Description
Activated
P90
Open fire programme active?
Yes (1) / No (0)
P91
Bypass Open
Yes (1) / No (0)
P92
Geothermal heat exchanger valve (EWT) Open
Yes (1) / No (0)
P93
Post-heater on?
Yes (1) / No (0)
P94
Analogue ports (0-10V) active?
Yes (1) / No (0)
P95
Frost protection or frost-free element active?
Yes (1) / No (0)
P96
Extractor hood programme on?
Yes (1) / No (0)
P97
Enthalpy programme active?
Yes (1) / No (0)
EN - 15
4.Warranty and liability
Warranty conditions
The CC Ease is covered by a
manufacturer’s warranty for a period of 24
months after fitting up to a maximum of
30 months after the date of manufacture.
Warranty claims may only be submitted
for material faults and/or construction
faults arising during the warranty period.
In the case of a warranty claim, the CC
Ease must not be dismantled without
written permission from the manufacturer.
Spare parts are only covered by the
warranty if they were supplied by the
manufacturer and have been installed by
an approved fitter.
The warranty becomes invalid if:
■The guarantee period has elapsed;
■Parts are used which were not supplied
by the manufacturer;
■Unauthorized alterations and/or
modifications have been made to the
unit.
Liability
The CC Ease is designed and
manufactured for use with a balanced
ventilation system with heat recovery. Any
other application is seen as inappropriate
use and can result in damage to the
CC Ease or personal injury, for which the
manufacturer cannot be held liable.
The manufacturer is not liable for any
damage originating from:
■Non-compliance with the safety,
operating and maintenance instructions
in this manual;
■The use of components not supplied
or recommended by the manufacturer
(the responsibility for the use of such
components lies entirely with the fitter);
■Normal wear and tear.
5.End of useful life
Discuss with the supplier what to do
with the CC Ease at the end of its useful
life. If the CC Ease cannot be returned
to the supplier, avoid disposing of it with
the domestic waste, and ask your local
council about the options for recycling the
components or processing the materials
in an environmentally friendly manner.
6.Maintenance
The CC Ease does not require
maintenance. However, the ComfoAir
controlled by the CC Ease does require
periodic maintenance. The maintenance
required by the ComfoAir is stipulated in
the ComfoAir’s user manual.
16 - EN
Demounting
If you need to demount the CC Ease
front section, for instance for painting
purposes, then follow the steps below:
1. Disconnect the ComfoAir from its
power supply.
2. Press the CC Ease front section
downwards.
3. Pull the lower edge of the CC Ease
front section away from the wall.
4. Disconnect the front section from the
PCB in the wall-mounted casing.
■A flashing “A” with a number extension
in the field that normally displays the
ventilation setting;
■A flashing “E” with a number extension
in the field that normally displays the
ventilation setting;
■A flashing “E A” with a number
extension in the field that normally
displays the ventilation setting;
1
2
Assembly
To remount the CC Ease front section,
follow the steps below:
5. Connect the front section to the PCB
in the wall-mounted casing.
6. Place the upper part of the CC Ease
front section on the wall-mounted
casing, then push it downwards.
7. Push the lower edge of the CC Ease
front section against the wall.
8. Reconnect the power to the
ComfoAir.
7.Malfunctions
If the ComfoAir has a malfunction, then in
most cases a malfunction alert will appear
in the CC Ease screen. Malfunction alerts
appear on the CC Ease as:
■A flashing “Filter I” or “Filter E” below
the field displaying the ventilation
modes.
Filter malfunction
The filters must be cleaned or replaced if
one of the filter warnings below appears
on the CC Ease:
■“ FILTER I ”  T he internal filters must
be cleaned or replaced;
■“ FILTER E ”  T he external filters must
be cleaned or replaced
(optional).
EN - 17
The internal filters are included in the
standard configuration of the ComfoAir.
The external filters (optional) form part of
the ducting of the ventilation system, yet
do not form part of the ComfoAir.
Meanings of malfunction alerts
Code
Description
A0
NTC sensor Tge is defective.
(= Temperature of outdoor air for
geothermal heat exchanger)
A1
NTC sensor T1 is defective.
(= outside air temperature)
A2
NTC sensor T2 is defective.
(= supply air temperature)
A3
NTC sensor T3 is defective.
( =return air temperature)
A4
NTC sensor T4 is defective.
(= exhaust air temperature)
A5
Malfunction in the bypass motor.
A6
Malfunction in the
frost-free element.
A7
Frost-free element not heating
sufficiently.
A8
Frost-free element becomes too hot.
A10
NTC sensor Tch is defective.
(= Temperature in the extractor hood)
A11
NTC sensor Tah is defective.
(= temperature of the Post-heater)
E1
Exhaust fan not rotating.
E2
Supply fan not rotating.
If the malfunction does not disappear or
returns repeatedly, please contact the
fitter.
■Make a note of your ComfoAir type;
■Make a note of any malfunction codes
on the CC Ease display.
E3
Temperature sensor extractor hood too
high.
E4
The ComfoAir has been switched off by
external contact
EA1
Enthalpy sensor measures excessive
Relative Humidity (RH) values.
EA2
The ComfoAir is not communicating with
the enthalpy sensor.
The system should remain connected
to its power supply unless the ComfoAir
requires taking out of service due to a
serious malfunction or for filter cleaning/
replacement or any other compelling
reasons. When the unit is disconnected,
the dwelling will no longer enjoy
mechanical ventilation, and this can lead
to problems with damp and mould. Longterm deactivation of the ComfoAir must
be prevented.
NC
CC Ease is not communicating with the
ComfoAir
FilterI
Internal Filter is dirty.
FilterE
External Filter is dirty.
Cleaning or replacing filters:
1.Press
until the filters malfunction
disappears (min. 3 sec.).
2. Disconnect the ComfoAir from its
power supply.
3. Replace or clean the filters as
described in the ComfoAir user
manual.
What to do in the event of a
malfunction
All malfunction alerts on the
CC Ease can be reset by following the
steps below:
- Press
until the malfunction alert
disappears (min. 3 sec.).
18 - EN
EN - 19
ZGNL-Manual_849051024, V0512, EN, Subject to change
Zehnder Group Nederland B.V.
Lingenstraat 2 · 8028 PM · Postbus 621 · 8000 AP Zwolle
T +31 38 429 69 11 · F +31 38 422 56 94
[email protected] · www.zehnder-jestorkair.nl
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