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4 Operation

User reference guide

13

EJHA EHY32AA
Daikin Altherma hybrid monobloc
4P531181-1 – 2018.06

Then you can do the following:

1

Go to the DHW tank temperature home page (Tank).

2

Overrule  the  next  scheduled  action  by  changing  from  55°C  to
60°C.

Advantages:

▪ You will have sufficient hot water (= comfortable).

▪ You do NOT have to change the schedule (= easy).

▪ You  do  NOT  have  to  activate  the  DHW  tank  booster  mode

(= energy saving).

Using the DHW tank booster mode

About the DHW tank booster mode

You  can  use  the  DHW  tank  booster  mode  to  immediately  start
heating up the water to the preset value (Storage comfort). However,
this consumes extra energy.

To check if the DHW tank booster mode is active

1

Go to the DHW tank temperature home page (Tank).

2

Check the following:

▪ In  user  profile  =  Basic:  If    is  displayed,  the  DHW  tank

booster mode is active.

▪ In  user  profile  =  Detailed:  If    is  selected,  the  DHW  tank

booster mode is active.

To activate the DHW tank booster mode (user profile = Basic)

1

Go to the DHW tank temperature home page (Tank).

2

Press 

 for more than 5 seconds.

To activate the DHW tank booster mode (user profile =
Detailed)

1

Go to the DHW tank temperature home page (Tank).

2

Press 

 to select  .

Usage example: You immediately need more hot water

If you are in the following situation:

▪ You already consumed most of your hot water.

▪ You  cannot  wait  for  the  next  scheduled  action  to  heat  up  the

DHW tank.

Then you can activate the DHW tank booster mode.

Advantage:  The  DHW  tank  immediately  starts  heating  up  the  water
to the preset value (Storage comfort).

INFORMATION

When  the  DHW  tank  booster  mode  is  active,  the  risk  of
space  heating  and  capacity  shortage  comfort  problems  is
significant.  In  case  of  frequent  domestic  hot  water
operation,  frequent  and  long  space  heating  interruptions
will happen.

4.6

Advanced usage

4.6.1

About changing the user permission level

The  amount  of  information  you  can  read  out  in  the  menu  structure
depends on your user permission level:

▪ End user (= default)

▪ Adv. end user: You can read out more information.

To set the user permission level to Advanced end user

1

Go to the main menu or any of its submenus: 

.

2

Press 

 for more than 4 seconds.

Result: 

The  user  permission  level  switches  to  Adv.  end  user.

Additional information is displayed and "+" is added to the menu title.
The  user  permission  level  will  stay  in  Adv.  end  user  until  set
otherwise.

To set the user permission level to End user

1

Press 

 for more than 4 seconds.

Result: 

The  user  permission  level  switches  to  End  user.  The  user

interface will return to the default home screen.

4.6.2

Using quiet mode

About quiet mode

You can use quiet mode to decrease the sound of the outdoor unit.
However,  this  also  decreases  the  heating  capacity  of  the  system.
There are multiple quiet mode levels.

You can:

▪ Completely deactivate quiet mode

▪ Manually  activate  a  quiet  mode  level  until  the  next  scheduled

action

▪ Use and program a quiet mode schedule

INFORMATION

If the outdoor temperature is below zero, we recommend to
NOT use the most quiet level.

Possible quiet mode levels

Level

Description

Level 1

Least quiet. At colder ambient conditions,
reduced performance can occur.

Level 2

Medium quiet. Under all circumstances,
reduced performance is possible.

Level 3

Most quiet. Under all circumstances,
performance will be reduced.

To check if quiet mode is active

1

Press 

 to go to one of the home pages.

2

If   is displayed, quiet mode is active.

To use quiet mode

Prerequisite: 

You  switched  the  permission  level  to  Advanced  end

user.

1

Go to [3]: 

 > Quiet mode.

2

Do one of the following:

If you want to…

Then…

Completely deactivate quiet
mode

Select Always OFF and press

.

Manually activate a quiet mode
level

▪ Select On and press 

.

▪ Go  to  [7.4.4]: 

  >  User

settings  >  Preset  values  >
Quiet level.

▪ Select a level and press 

.

Use and program a quiet mode
schedule

▪ Select  Automatic  and  press

.

▪ Program  a  schedule.  See

"4.7.2 

Using 

and

programming  schedules"  on
page 16

.

Usage example: Baby is sleeping in the afternoon

If you are in the following situation:

Summary of Contents for Altherma EHY2KOMB28AA

Page 1: ...User reference guide Daikin Altherma hybrid monobloc English User reference guide Daikin Altherma hybrid monobloc EJHA04AAV3 EHY2KOMB28AA EHY2KOMB32AA...

Page 2: ...schedules Room temperature leaving water temperature main 17 4 7 5 Predefined schedules DHW tank temperature 18 4 8 Weather dependent operation 18 4 8 1 To set the weather dependent settings 18 4 9 M...

Page 3: ...arts must be done by an authorized installer and must comply with applicable legislation Units must be treated at a specialized treatment facility for reuse recycling and recovery By ensuring this pro...

Page 4: ...an cold start up NOTICE During holidays Do NOT turn OFF the power supply The power is needed for the frost protection functions of the outdoor unit Use the holiday mode instead 3 1 About freeze protec...

Page 5: ...F one of the controls room temperature leaving water temperature DHW tank temperature d MENU STRUCTURE BACK Opens the menu structure when you are on a home page Goes up a level when you are navigating...

Page 6: ...Tank Instant DHW DHW To go to a home page 1 Press Result One of the home pages is displayed 2 Press again to display the next home page if any 4 3 2 Using the menu structure About the menu structure Y...

Page 7: ...are Yes NOT linked You can set the leaving water set point on the home page Is displayed next to the set point Then leaving water set point and room temperature set point are No Linked by their preset...

Page 8: ...y using or to adjust the temperature Result The room temperature follows the manually adjusted value but will return to the scheduled value after the overrule period Temperature lock 2 4 6 8 hours or...

Page 9: ...ct Result For the next 2 hours the room will NOT be heated to the scheduled 20 C but to the preset value Eco 18 C After 2 hours the room will heat up again to the scheduled 20 C Advantage You save ene...

Page 10: ...erature is permanent unless the leaving water temperature is according to a schedule In that case the overruling is valid until the next scheduled action 1 Go to 7 4 2 User settings Preset values LWT...

Page 11: ...e home page Tank 2 Check which icons are displayed If is displayed Then the DHW tank mode Reheat mode Scheduled mode Scheduled reheat mode Reheat mode In reheat mode the DHW tank continuously heats up...

Page 12: ...times Example t Tt 60 C 00 00 07 00 50 C 45 C 15 C 14 00 21 00 35 C 1 2 4 5 3 Tt DHW tank temperature t Time 60 C Storage comfort 50 C Storage eco 45 C Reheat 35 C Reheat tank temperature hysteresis v...

Page 13: ...can read out in the menu structure depends on your user permission level End user default Adv end user You can read out more information To set the user permission level to Advanced end user 1 Go to...

Page 14: ...tings will be used To check if holiday mode is activated and or running 1 Press to go to one of the home pages 2 Check the following If is displayed Then One of the following holiday modes is activate...

Page 15: ...handling Error history and contact helpdesk number 6 4 User permission level Current user permission level 6 5 Actuators Status mode of each actuator Example Domestic hot water pump ON OFF 6 6 Operat...

Page 16: ...re than 5 seconds 3 Select a function and press 4 Select Lock or Unlock and press 4 7 Preset values and schedules 4 7 1 Using preset values About preset values You can define preset values for multipl...

Page 17: ...do the following 1 Program 3 room temperature schedules in heating mode and give them appropriate names Example EarlyShift DayShift and LateShift 2 Select the schedule that you currently want to use 4...

Page 18: ...mode see the installer reference guide To set the parameters for the weather dependent curve see below 4 8 1 To set the weather dependent settings Prerequisite You switched the permission level to Ad...

Page 19: ...information Error history Contact helpdesk number Version User interface Indoor unit Outdoor unit User settings Display Temperature lock Set schedules Preset values Allowed operation mode Unit of mea...

Page 20: ...in Contact helpdesk number 5 Setting the energy prices If your system s savings mode is set to Economical it allows you to set a fixed gas price 3 electricity price levels a weekly schedule timer for...

Page 21: ...ics for consumed electricity calculated by the interface itself based on an internal calculation consumed gas only in case of EHY2KOMB28 32AA gas boiler calculated by the interface itself based on an...

Page 22: ...an operating gas appliance or an operating electric heater WARNING Do NOT pierce or burn refrigerant cycle parts Do NOT use cleaning materials or means to accelerate the defrosting process other than...

Page 23: ...mp failure occurs the domestic hot water and space heating operations will stop and need to be recovered manually The user interface will then ask you to confirm whether the boiler can take over the e...

Page 24: ...or domain Service company Qualified company which can perform or coordinate the required service to the product Installation manual Instruction manual specified for a certain product or application e...

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Page 28: ...4P531181 1 2018 06 Copyright 2018 Daikin...

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