Daikin EHVH08S18CA User Manual download pdf (Page 8)

4 Energy saving tips

Operation manual

EHBH/X04+08+16CA + EHVH/X04+08S18CA + EHVH/X08S26CA +

EHVH/X16S18+26CA

Daikin Altherma - Low Temperature Split

4P313773-1B – 2012.11

3.7 Installer settings: Tables to be filled in by

installer

3.7.1 Quick wizard

Setting Default Fill in…

Backup heater configuration (only for unified backup heater)

[A.2.1.5]

BUH type 1 (1P,(1/2))

Preferential kWh rate power supply [A.2.1.6]

Preferential kWh rate 0 (LWT

control)

Space heating/cooling settings [A.2.1]

Unit control method 0 (In room)

User interface location 1 (1 LWT

zone)

Number of LWT zones 1 (1 LWT

zone)

Pump operation mode 1 (Sample)

Domestic hot water settings [A.2.2]

DHW operation Depends on

model

DHW tank heater Depends on

model

DHW pump 0 (No)

Thermostats [A.2.2]

Contact type main 2 (Thermo

ON/OFF)

Contact type add. 2 (Thermo

ON/OFF)

External sensor 0 (No)

Digital I/O PCB [A.2.2.6]

Ext. backup heat src 0 (No)

Solar kit 0 (No)

Alarm output 0 (Normally

open)

Bottom plate heater 0 (No)

Demand PCB [A.2.2.7]

Demand PCB 0 (No)

Energy metering [A.2.2]

External kWh meter 1 0 (No)

External kWh meter 2 0 (No)

Capacities (energy metering) [A.2.3]

Booster heater 0 kW

BUH: step 1 Depends on

model

BUH: step 2 Depends on

model

Bottom plate heater 0 W

3.7.2 Space heating/cooling control

Setting Default Fill in…

Leaving water temperature: Main zone [A.3.1.1]

LWT setpoint mode 0 (Absolute)

Set weather-dependent heating 25/40/15/−10

Set weather-dependent cooling 18/22/35/20

Leaving water temperature: Additional zone [A.3.1.2]

LWT setpoint mode 0 (Absolute)

Set weather-dependent heating 25/40/15/−10

Set weather-dependent cooling 18/22/35/20

Leaving water temperature: Delta T emitter [A.3.1.3]

Heating 5°C

Setting Default Fill in…

Cooling 5°C

Leaving water temperature: Modulation [A.3.1.1.5]

Modulated LWT 0 (No)

Leaving water temperature: Emitter type [A.3.1.1.7]

Emitter type 1 (Slow)

3.7.3 Domestic hot water control [A.4]

Setting Default Fill in…

Setpoint mode 2 (Scheduled

only)

Setpoint readout type 0

(Temperature)

Maximum setpoint Depends on

model

INFORMATION

It is recommended NOT to use the selection of ([6‑0D]=0,

[A.4.1] Domestic hot water Setpoint mode=Reheat only) in

case of a domestic hot water tank without internal booster

heater.

The risk of space heating (cooling) capacity shortage/

comfort problems is significant (in case of frequent

domestic hot water operation, frequent and long space

heating/cooling interruption will happen).

3.7.4 Contact/helpdesk number [6.3.2]

Setting Default Fill in…

Contact/helpdesk number —

4 Energy saving tips

Tips about room temperature

▪ Make sure the desired room temperature is never too high (in

heating mode) or too low (in cooling mode), but always according

to your actual needs. Each saved degree can save up to 6% of

heating/cooling costs.

▪ Do NOT increase the desired room temperature to speed up

space heating. The space will NOT heat up faster.

▪ When your system layout contains slow heat emitters (example:

under floor heating), avoid large fluctuation of the desired room

temperature and do NOT let the room temperature drop too low. It

will take more time and energy to heat up the room again.

▪ Use a weekly schedule for your normal space heating or cooling

needs. If necessary, you can easily deviate from the schedule:

▪ For shorter periods: You can overrule the scheduled room

temperature. Example: When you have a party, or when you

are leaving for a couple of hours.

▪ For longer periods: You can use the holiday mode. Example:

When you stay at home during your holiday, or when you go

away during your holiday.

Tips about DHW tank temperature

▪ Make sure the number (available hot water for x persons) on the

DHW tank temperature home page is NOT higher than your actual

needs.

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Daikin EHVH08S18CA User Manual Page 8

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