P
H
3
1
Heat pump capacity
2
Required heating capacity (site dependent)
3
Additional heating capacity provided by the backup heater
4
Equilibriumtemperature (can be set through the user interface,
refer to "Field settings" on page 25)
T
Ambient (outdoor) temperature
A
P
Heating capacity
H
Domestic hot water tank (option)
An optional EKHW* domestic hot water tank with integrated 3 kW
electrical booster heater can be connected to the indoor unit. The
domestic hot water tank is available in two sizes: 50 and 80 gallons
(200 and 300 litre). Refer to the domestic hot water tank installation
manual for further details.
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
"Installation of the EKHBDP drain pan kit (only for EKHBX models)"
on page 14.
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)
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.
Remote thermostat kit (option)
An optional room thermostat EKRTWA can be connected to the
indoor unit. Refer to the installation manual of the room thermostat
for more information.
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
only in case the benefit kWh rate power supply is of the type that
power supply is not interrupted. Refer to "Connection to a benefit
kWh rate power supply" on page 20 for more details.
Installation manual
2
4
1
2
T
A
Scope of this manual
This installation manual describes the procedures for handling,
installing and connecting all EKHBH/X indoor unit models.
NOTE
Installation of the ERLQ heat pump outdoor unit is
described in the outdoor unit installation manual.
Operation of the indoor unit is described in the indoor
unit operation manual.
Model identification
Indoor unit
EK
HB
X
030
BA
Indication of heating/cooling capacity (kW)
X = heating and cooling,
H = heating only
Hydro box
Kit
(a) For exact values, refer to "Technical specifications" on page 42.
Drain pan kit (optional)
EK
HB
DP
150
Drain pan
Hydro box
Kit
A
CCESSORIES
Accessories supplied with the indoor unit
See figure 1
1
Installation manual
2
Operation manual
3
Shut-off valve
4
Wiring diagram sticker (inside indoor unit cover)
5
Indoor unit cover fixing screw
Indoor unit for air to water heat pump system
3
VJU
Backup heater nominal
voltage:
1~, 208/230 V
Backup heater capacity (kW)
Series
(a)
EKHBH/X030BA
4PW62568-1 – 07.2010