Dhw Pump For Instant Hot Water; Dhw Pump For Disinfection; Setting Up The Energy Metering; Produced Heat - Daikin ERHQ011BA Installer's Reference Manual

Low temperature split
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5 Application guidelines
a Solar panels
b Solar pump station
c Solar pump station controller with temperature sensors
c1 Tank temperature sensor
c2 Return temperature sensor to solar panels
c3 Supply temperature with flow meter from solar panels
c4 Solar panel temperature sensor
d Solar kit
e DHW temperature sensor of the unit
f Solenoid 2-way valve (only for UK). Obligatory for
compliance to UK building regulation G3.
Heating system
Example of unit

5.4.6 DHW pump for instant hot water

Setup
h
c
a
i
f
b
g
a Indoor unit
b DHW tank
c DHW pump
f Shower
g Cold water
h Domestic hot water OUT
i Recirculation connection
By connecting a DHW pump, instant hot water can be available
at the tap.
The DHW pump and the installation are field supply and the
responsibility of the installer.
For more information about connecting the recirculation
connection (for integrated DHW tank), see the installation
chapter.
Configuration
For more information, see the configuration chapter.
You can program a schedule to control the DHW pump via the
user interface. For more information, see the user reference
guide.

5.4.7 DHW pump for disinfection

Setup
h
c
a
i
d
b
e
a Indoor unit
b DHW tank
c DHW pump
d Heater element
e Non-return valve
f Shower
g Cold water
h Domestic hot water OUT
i Recirculation connection
The DHW pump and the installation are field supply and the
responsibility of the installer.
For the integrated DHW tank, the temperature of the DHW tank
can be set to maximum 60°C. If applicable legislation requires
higher temperature for disinfection, you can connect a DHW
pump and heater element as shown above.
If applicable legislation requires disinfection of the water piping
until the tapping point, you can connect a DHW pump and
heater element (if needed) as shown above.
Configuration
The indoor unit can control DHW pump operation. For more
information, see the configuration chapter.
Installer reference guide
15
f
g
5.5

Setting up the energy metering

Via the user interface, you can read out the following energy
data:

Produced heat

Consumed energy

You can read out the energy data:
For space heating
For space cooling
For domestic hot water production
You can read out the energy data:
Per month
Per year
5.5.1 Produced heat
Applicable for all models.
The produced heat is calculated internally based on:
The leaving and entering water temperature
The flow rate
The power consumption of the booster heater (if applicable)
in the domestic hot water tank
Setup and configuration:
No additional equipment needed.
Only in case a booster heater is present in the system,
measure its capacity (resistance measurement) and set the
capacity via the user interface. Example: If you measure a
booster heater resistance of 17.1 Ω, the capacity of the
heater at 230 V is 3100 W.
5.5.2 Consumed energy
You can use the following methods to determine the consumed
energy:
Calculating
Measuring
NOTICE
You cannot combine calculating the consumed energy
(example: for backup heater) and measuring the consumed
energy (example: for outdoor unit). If you do so, the energy
data will be invalid.
Calculating the consumed energy
Only applicable for EHBH/X04+08 and EHVH/X04+08.
The consumed energy is calculated internally based on:
The actual power input of the outdoor unit
The set capacity of the backup heater and booster heater
The voltage
Setup and configuration: To get accurate energy data, measure
the capacity (resistance measurement) and set the capacity via
the user interface for:
The backup heater (step 1 and step 2)
The booster heater
Measuring the consumed energy
Applicable for all models.
Preferred method because of higher accuracy.
Requires external power meters.
Setup and configuration:
For the specifications of each type of meter, see technical
data.
When using electrical power meters, set the number of
pulses/kWh for each power meter via the user interface.
Consumed energy data for EHVH/X16 and EHBH/X16
models will only be available if this setting is configured.
NOTICE
When measuring the electrical power consumption, make
sure ALL power input of the system is covered by the
electrical power meters.
EHBH/X16
Daikin Altherma - Low Temperature Split
4P313776-1 – 2012.05

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