EKHBH/X008BB
Indoor unit for air to water heat pump system
4PW62570-1A – 01.2011
Installation manual
4
Drain pan kit (option)
For heating/cooling versions (EKHBX), it is necessary to install the
EKHBDP drain pan kit.
For more information concerning the drain pan kit, refer to
"6.5. Installation of the EKHBDP drain pan kit (only for EKHBX
models)" on page 15
Solar kit for domestic hot water tank (option)
For information concerning the EKSOLHW solar kit, refer to the
installation manual of that kit.
Digital I/O PCB kit (option)
An optional EKRP1HB digital I/O PCB can be connected to the
indoor unit and allows:
■
remote alarm output,
■
heating/cooling ON/OFF output,
■
bivalent operation (permission signal for the auxiliary boiler) or
additional external backup heater permission signal.
Refer to the operation manual of the indoor unit and to the installation
manual of the digital I/O PCB for more information.
Refer to the wiring diagram or connection diagram for connecting this
PCB to the unit.
Room thermostat kit (option)
An optional room thermostat EKRTW, EKRTWA, or EKRTR can be
connected to the indoor unit. Refer to the installation manual of the
room thermostat for more information.
Bottom plate heater (option)
Possible combinations
Connection to a benefit kWh rate power supply
(1)
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
for more details.
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 EKHBH/X units. This manual has been prepared to
ensure adequate maintenance of the unit, and it will provide help if
problems occur.
3.3.
Model identification
Indoor unit
Drain pan kit (optional)
INFORMATION
Use the EKSOLHW solar kit only in combination with the
EKHW* domestic hot water tank.
Connection between EKSOLHW and EKHTS domestic hot
water tank is
NOT
possible.
Connectable heaters
EKBPHT08
EKBPHT08BA
EKHBH/X008
BB
Possible
Possible
(a)
(a) Recommended.
EKHBH/X_BB
ERHQ_
BA
Possible
(a)
(a) If a bottom plate heater is required, see
"Bottom plate heater (option)" on page 4
.
ERLQ_
BA
Possible
(1) When the unit is configured for restricted power supply condition mode,
see
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.
EK
HB
X
008
BB
3
V3
Backup heater nominal
voltage:
V3 = 1P, 230 V
WN = 3P, 400 V
T1 = 3P, 230 V
Backup heater capacity (kW)
Series
Indication of heating/cooling capacity (kW)
(a)
(a) For exact values, refer to
"12. Technical specifications" on page 50
.
X = heating and cooling,
H = heating only
Hydro box
European kit
EK
HB
DP
150
Drain pan
Hydro box
European kit
