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4 Operation

Operation manual

16

ETVH/9W + ETBH/9W

Daikin Altherma 3 H MT F+W

4P634883-1 – 2021.03

Types of weather-dependent curve

There are 2 types of weather-dependent curves:

▪ 2-points curve

▪ Slope-offset curve

Which type of curve you use to make adjustments, depends on your
personal  preference.  See 

"4.9.4  Using  weather-dependent

curves"

 [

4

 17].

Availability

The weather-dependent curve is available for:

▪ Main zone - Heating

▪ Main zone - Cooling

▪ Additional zone - Heating

▪ Additional zone - Cooling

▪ Tank (only available to installers)

INFORMATION

To  operate  weather  dependent,  correctly  configure  the
setpoint  of  the  main  zone,  additional  zone  or  tank.  See

"4.9.4 Using weather-dependent curves"

 [

4

 17].

4.9.2

2-points curve

Define the weather-dependent curve with these two setpoints:

▪ Setpoint (X1, Y2)

▪ Setpoint (X2, Y1)

Example

Y1

Y2

X1

X2

a

Item

Description

a

Selected weather dependent zone:

: Main zone or additional zone heating

: Main zone or additional zone cooling

: Domestic hot water

X1, X2

Examples of outdoor ambient temperature

Y1, Y2

Examples of desired tank temperature or leaving water
temperature. The icon corresponds to the heat emitter
for that zone:

: Underfloor heating

: Fan coil unit

: Radiator

: Domestic hot water tank

Possible actions on this screen

Go through the temperatures.

Change the temperature.

Go to the next temperature.

Confirm changes and proceed.

4.9.3

Slope-offset curve

Slope and offset

Define the weather-dependent curve by its slope and offset:

▪ Change  the 

slope

  to  differently  increase  or  decrease  the

temperature  of  the  leaving  water  for  different  ambient
temperatures.  For  example,  if  leaving  water  temperature  is  in
general  fine  but  at  low  ambient  temperatures  too  cold,  raise  the
slope  so  that  leaving  water  temperature  is  heated  increasingly
more at decreasingly lower ambient temperatures.

▪ Change  the 

offset

  to  equally  increase  or  decrease  the

temperature  of  the  leaving  water  for  different  ambient
temperatures. For example, if leaving water temperature is always
a bit too cold at different ambient temperatures, shift the offset up
to  equally  increase  the  leaving  water  temperature  for  all  ambient
temperatures.

Examples

Weather-dependent curve when slope is selected:

X1

X2

c

d

e

Y1

Y2

Y3

Y4

a

b

Weather-dependent curve when offset is selected:

Y1

Y2

Y3

Y4

X1

X2

a

b

c

d

e

Item

Description

a

WD curve before changes.

b

WD curve after changes (as example):

▪ When  slope  is  changed,  the  new  preferred

temperature  at  X1  is  unequally  higher  than  the
preferred temperature at X2.

▪ When  offset  is  changed,  the  new  preferred

temperature  at  X1  is  equally  higher  as  the  preferred
temperature at X2.

c

Slope

d

Offset

e

Selected weather dependent zone:

: Main zone or additional zone heating

: Main zone or additional zone cooling

: Domestic hot water

X1, X2

Examples of outdoor ambient temperature

Содержание ETVH12S18EA6V

Страница 1: ...rma 3 H MT F W English Operation manual Daikin Altherma 3 H MT F W ETVH12S U 18EA6V ETVH12S U 23EA6V ETVH12S18EA9W ETVH12S23EA9W ETVX12S18EA6V ETVX12S23EA6V ETVX12S18EA9W ETVX12S23EA9W ETBH12EF6V ETBH...

Страница 2: ...15 4 9 2 2 points curve 16 4 9 3 Slope offset curve 16 4 9 4 Using weather dependent curves 17 5 Energy saving tips 17 6 Maintenance and service 18 6 1 Overview Maintenance and service 18 7 Troublesh...

Страница 3: ...you turn OFF space heating cooling operation C 2 Operation Space heating cooling room frost protection operation if enabled can still activate However for leaving water temperature control and extern...

Страница 4: ...s changed the new preferred temperature at X1 is unequally higher than the preferred temperature at X2 X1 X2 c d Y1 Y2 Y3 Y4 a b Offset When offset is changed the new preferred temperature at X1 is eq...

Страница 5: ...Off To change the tank temperature setpoint In Reheat only mode you can use the tank temperature setpoint screen to read out and adjust the domestic hot water temperature 1 Go to 5 Tank Tank 5 2 Adjus...

Страница 6: ...tion Addendum book for optional equipment Additional info about how to install optional equipment Format Paper in the box of the indoor unit Digital files on http www daikineurope com support and manu...

Страница 7: ...nit is not in operation Continuous blue Operation The unit is in operation Blinking red Malfunction A malfunction occurred See 7 1 To display the help text in case of a malfunction 418 for more inform...

Страница 8: ...Setpoint range Heating minimum Heating maximum Cooling minimum Cooling maximum 7 2 Time date Hours Minutes Year Month Day Daylight savings time Format 7 3 Holiday Activation From Till 7 4 Quiet Activa...

Страница 9: ...Heat pump failure and system operates in Emergency mode or heat pump is forced off d Current date and time e Smart energy e1 Smart energy is available via solar panels or smart grid e2 Smart energy i...

Страница 10: ...ature 2 Main zone Shows the applicable symbol for your main zone emitter type Set the leaving water temperature for the main zone 3 Additional zone Restriction Only displayed if there are two leaving...

Страница 11: ...ting cooling operation ON b Space heating cooling operation OFF Tank heating operation 55 21 35 45 c 55 21 35 45 d c Tank heating operation ON d Tank heating operation OFF 4 4 2 To turn ON or OFF Spac...

Страница 12: ...ne of the following options Heating Only heating mode Cooling Only cooling mode Automatic The operation mode changes automatically between heating and cooling based on the outdoor temperature Restrict...

Страница 13: ...o produce hot water is at night because the space heating demand is lower Example t 60 C 00 00 07 00 50 C 15 C 40 C 14 00 21 00 1 2 3 4 5 Tt Tt DHW tank temperature t Time Initially the DHW tank tempe...

Страница 14: ...emperature control is active you can program the main zone schedule instead 1 Go to the schedule 2 optional Clear the content of the whole week schedule or the content of a selected day schedule 3 Pro...

Страница 15: ...ach character of the schedule name 4 To name the current schedule browse through the character list and confirm the selected character The schedule name can contain up to 15 characters 5 Confirm the n...

Страница 16: ...rature Go to the next temperature Confirm changes and proceed 4 9 3 Slope offset curve Slope and offset Define the weather dependent curve by its slope and offset Change the slope to differently incre...

Страница 17: ...2 6 Main zone Cooling WD curve Additional zone Heating 3 5 Additional zone Heating WD curve Additional zone Cooling 3 6 Additional zone Cooling WD curve Zone Go to Tank Restriction Only available to i...

Страница 18: ...on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO2 equivalent Formula to calculate the quantity in CO2 equivalent tonnes GWP value of...

Страница 19: ...er the domestic hot water production and space heating For ETBH X The backup heater automatically takes over the heat load and the booster heater in the optional tank takes over the domestic hot water...

Страница 20: ...ventilated Reason Refrigerant might leak into the water circuit and subsequently into the room when you purge air from the heat emitters or collectors 8 Disposal NOTICE Do NOT try to dismantle the sy...

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Страница 24: ...4P634883 1 2021 03 Copyright 2021 Daikin 4P634883 1 0000000U Verantwortung f r Energie und Umwelt...

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