Scope Of This Manual; Model Identification; Typical Application Examples; Application 1 - Daikin EKHBX008BB3V3S Installation Manual

Possible combinations
ERHQ_BA
ERLQ_BA
(a) If a bottom plate heater is required, see
Connection to a benefit kWh rate power supply
This equipment allows for connection to benefit kWh rate power
supply delivery systems. Full control of the unit will remain possible
even in case the benefit kWh rate power supply is of the type that
power supply is interrupted. Refer to
rate power supply" on page 21

3.2. Scope of this manual

This manual does NOT include the selection procedure and the water
system design procedure. Only some precautions and tips and tricks
about the design of the water circuit are given in a separate chapter
of this manual.
Once the selection is done and the water system is designed, this
manual describes the procedures for handling, installing and
connecting the EKHBX unit. This manual has been prepared to
ensure adequate maintenance of the unit, and it will provide help if
problems occur.
INFORMATION
Refer to the installation manual of the outdoor unit for items
not described in this manual.
The operation of the indoor unit is described in the indoor
unit operation manual.
3.3. Model identification
Indoor unit
EK HB X 008 BB
Indication of heating/cooling capacity (kW)
X = heating and cooling,
H = heating only
Hydro box
European kit
(a) For exact values, refer to "12. Technical specifications" on page
Drain pan kit (optional)
EK HB DP 150
Drain pan
Hydro box
European kit
(1) When the unit is configured for restricted power supply condition mode,
see "Appendix" on page 50.
EKHBX008BB3V3S
Indoor unit for air to water heat pump system
4PW62597-1 – 10.2010
EKHBX_BB3V3S
(a)
Possible
Possible
"Bottom plate heater (option)" on page
(1)
"Connection to a benefit kWh
for more details.
3 V3 S
No pump
installed (field
supply)
Backup heater nominal
voltage:
V3 = 1P, 230 V
Backup heater capacity (kW)
Series
49.

3.4. Typical application examples

The application examples given below are for illustration purposes
only.

Application 1

3.
Space heating only application with the room thermostat connected
to the indoor unit.
1
1 Outdoor unit
2 Indoor unit
3 Heat exchanger
4 Backup heater
5 Pump (field supply)
6 Shut-off valve
7 Collector (field supply)
FHL1...3 Floor heating loop
T Room thermostat (optional)
Pump operation and space heating
When the room thermostat (T) is connected to the indoor unit, the
pump (5) will operate when there is a heating request from the room
thermostat, and the outdoor unit will start operating to achieve the
target leaving water temperature as set on the user interface.
When the room temperature is above the thermostat set point, the
outdoor unit and pump will stop operating.
NOTICE
Make sure to connect the thermostat wires to the correct
terminals (see
(a)
page 20) and to configure the DIP switch toggle switches
correctly
configuration" on page
T
2 3 4 6 5
6
FHL1
FHL2
"Connection of the thermostat cable" on
(see "8.2. Room thermostat
24).
7
FHL3
installation
Installation manual
4