*
A
B
1
2
3
4
T
A
P
H
■
■
■
■
1
2
3
4
2
Both versions are delivered with an integrated backup heater for
Operation range
additional heating capacity during cold outdoor temperatures. The
backup heater also serves as a backup in case of malfunctioning of
Heating mode
Cooling mode
the unit and for freeze protection of the outside water piping during
A
A
winter time. The backup heater factory set capacity is 6 kW, however,
depending on the installation, the installer can limit the backup heater
DB
DB
35 95
46 115
capacity to 3 kW. The backup heater capacity decision is a mode
based on the equilibrium temperature, see scheme below.
P
H
0
32
10
50
3
1
2
–20
–4
41
5
59 7277
15 2225
104
40
( )
131
55
B
41
5
72
22
B
Outdoor temperature
Leaving water temperature
4
T
A
No heat pump operation, back up heater only
Heat pump capacity
(*)
The models have a freeze prevention function using the pump and
back up heater to keep the water system safe from freezing in all
Required heating capacity (site dependent)
conditions.
In case accidental or intentional power shutdown is likely to happen
Additional heating capacity provided by the backup heater
we recommend to use glycol. (Refer to Caution: "Use of glycol" on
Equilibrium temperature (can be set through the user interface,
page 16)
refer to "Field settings" on page 25)
Ambient (outdoor) temperature
Connection to a benefit kWh rate power supply
Heating capacity
This equipment allows for connection to benefit kWh rate power
supply delivery systems. Full control of the unit will remain possible
Domestic hot water tank EKHW*
(option)
An optional EKHW* domestic hot water tank with integrated
3 kW electrical booster heater can be connected to the unit. The
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 21 for more details.
domestic hot water tank is available in two sizes: 50 and
80 gallons (200 and 300 litre).
Scope of this manual
Room thermostat
(option)
An optional room thermostat EKRTWA can be connected to the
unit.
This installation manual describes the procedures for installing and
connecting all EDL and EBL outdoor unit models.
Solar kit for domestic hot water tank
(option)
An optional solar kit EKSOLHW can be connected to the unit.
Model identification
Contact your dealer for more allowed solar kits.
■
Remote alarm kit
(option)
EDL
Q
036
BA
6
VJU
Digital I/O PCB kit
(option)
Power supply:
An optional EKRP1HB digital I/O PCB can be connected to the
2~, 208 V/230 V
indoor unit and allows:
Backup heater capacity (kW)
■
remote alarm output
Model changes
■
heating/cooling ON/OFF output
■
bivalent operation (permission signal for the auxiliary boiler)
Indication of heating capacity (kBtu/h)
(a)
Refrigerant R410A
EDL = Monoblock outdoor heating only
Refer to the operation manual of the indoor unit and to the
EBL = Monoblock outdoor heat pump
installation manual of the digital I/O PCB for more information.
(a) For exact values, refer to
"Technical specifications" on page 40.
Refer to the wiring diagram or connection diagram for
connecting this PCB to the unit.
To obtain more information concerning these option kits, please refer
A
CCESSORIES
to dedicated installation manuals of the kits.
Accessories supplied with the unit
1
1x
2
1x
3
2x
4
1x
Installation manual
Operation manual
Wiring diagram sticker (inside unit cover doors 1 and 2)
User interface kit
(digital remote controller, 4 fixing screws and 2 plugs)
Installation manual
EDLQ036~054B EBLQ036~054BA6VJU1
Unit for air to water heat pump system
4PW56182-1
