Daikin RHBH11CB [19/112] Application guidelines
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Daikin RHBH11CB [19/112] Application guidelines

Daikin RHBH11CB [19/112] Application guidelines
5 Application guidelines
Installer reference guide
19
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1B – 2016.02
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
INFORMATION
The calculated produced heat and consumed energy are
an estimation, the accuracy cannot be guaranteed.
5.5.1 Produced heat
INFORMATION
The sensors used to calculate the produced heat are
calibrated automatically.
▪ 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 17.1Ω, 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
INFORMATION
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 RHBH/X04+08 and RHVH/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 "14Technical
data"on page85.
▪ When using electrical power meters, set the number of pulses/
kWh for each power meter via the user interface. Consumed
energy data for RHVH/X11+16 and RHBH/X11+16 models will
only be available if this setting is configured.
INFORMATION
When measuring the electrical power consumption, make
sure ALL power input of the system is covered by the
electrical power meters.
5.5.3 Normal kWh rate power supply
General rule
One power meter that covers the entire system is sufficient.
Setup
Connect the power meter to X5M/7 and X5M/8.
Power meter type
In case of… Use a… power meter
▪ Single-phase outdoor unit
▪ Backup heater supplied from a
single-phase grid (i.e. the
backup heater model is *3V or
*9W connected to a single-
phase grid)
Single-phase
In other cases (i.e. a three-phase
outdoor unit and/or a *9W
backup heater model connected
to a three-phase grid)
Three-phase

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