EKHBH/X016BB
Indoor unit for air to water heat pump system
4PW62572-1A – 01.2011
Installation manual
4
Possible combinations
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
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)
3.4.
Typical application examples
The application examples given below are for illustration purposes
only.
Application 1
Space heating only application with the room thermostat connected
to the indoor unit.
1
Outdoor unit
2
Indoor unit
3
Heat exchanger
4
Backup heater
5
Pump
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 (
) 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.
EKHBH/X_BB
ERHQ_
BA
Possible
(a)
(a) If a bottom plate heater is required, see
"Bottom plate heater (option)" on page 3
.
ERLQ_
BA
Possible
ERLQ_
CA
(b)
(b) Bottom plate heater at outdoor unit is controlled by the outdoor unit pcb.
Possible
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
016
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
NOTICE
Make sure to connect the thermostat wires to the correct
terminals (see
"Connection of the thermostat cable" on
) and to configure the DIP switch toggle switches
correctly (see
FHL1
FHL2
FHL3
T
6
7
4
5
3
2
1
6
Содержание EKHBH016BB3V3
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