Rotex RKHBH008BA, Installation Manual

Page: 47 / 376

RKHBH/X008BA
Indoor unit for air to water heat pump system
4PW54224-1A
Installation manual
2
Domestic hot water tank (option)
An optional RKHW* 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 one size only: 300 litre. Refer
to the domestic hot water tank installation manual for further details.
Drain pan kit (option)
For heating/cooling versions (RKHBX), 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 RKHBX models)"
on page 13.
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 RKRTW, RKRTWA, or RKRTR can be
connected to the indoor unit. Refer to the installation manual of the
room thermostat for more information.
Possible options
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 19 for more details.
Scope of this manual
This installation manual describes the procedures for handling,
installing and connecting all RKHBH/X indoor unit models.
Model identification
Indoor unit
Drain pan kit (optional)
NOTE
■
An RRLQ0* BA outdoor unit can only be
connected to an RKHBH/X008 BA indoor unit
(bottom plate heater at outdoor unit has to be
controlled by indoor unit).
■
An RRHQ0* BA outdoor unit can be connected to
an RKHBH/X008 BA indoor unit or to an
RKHBH/X008 AA indoor unit (if a bottom plate
heater kit is required, see "Possible options" on
page 2).
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 23)
T
A
Ambient (outdoor) temperature
P
H
Heating capacity
EKBPHT08 EKBPHT08BA
RKHBH/X008 AA Possible Not allowed
RKHBH/X008 BA Possible Possible
T
A
4 3
1
2
P
H
NOTE
Installation of the RRHQ 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.
RK HB X 008 AB 3 V3
Backup heater nominal
voltage:
V3 = 1P, 230 V
WN = 3P, 400 V
Backup heater capacity (kW)
Series
Indication of heating/cooling capacity (kW)
(a)
(a) For exact values, refer to "Technical specifications" on page 38.
X = heating and cooling,
H = heating only
Hydro box
Rotex kit
EK HB DP 150
Drain pan
Hydro box
European kit