4 About the units and options
Installer reference guide
9
ERHQ+ERLQ011~016 + EHVH/X11+16S18+26CB
Daikin Altherma – Low temperature split
4P384975-1C – 2018.02
4.2
Identification
NOTICE
When installing or servicing several units at the same time,
make sure NOT to switch the service panels between
different models.
4.2.1
Identification label: Outdoor unit
Location
Model identification
▪ ERLQ: Contains components (insulation, bottom plate heater, …)
to prevent freeze-up in areas with low ambient temperature and
high humidity.
▪ ERHQ: Does NOT contain these components.
Example:
ER L Q 011 CA W1
Code
Explanation
ER
European split outdoor pair heat pump
L
H=Low water temperature – ambient zone:
0~−10°C
L=Low water temperature – ambient zone:
−10~−20°C
Q
Refrigerant R410A
011
Capacity class
CA
Model series
W1
Power supply
4.2.2
Identification label: Indoor unit
Location
Model identification
Example:
E HV H 04 S 18 CB 3V
Code
Description
E
European model
HV
Floor-standing indoor unit with integrated tank
H
H=Heating only
X=Heating/cooling
Code
Description
04
Capacity class
S
Integrated tank material: Stainless steel
18
Integrated tank volume
CB
Model series
3V
Backup heater model
4.3
Combining units and options
4.3.1
Possible options for the outdoor unit
Demand PCB (KRP58M51) (only for ERLQ)
▪ Limits the maximum current. However, this also decreases the
heating/cooling capacity of the system.
▪ Only the "Setting of demand running" function of the demand PCB
is applicable.
▪ For installation instructions, see the installation manual of the
demand PCB.
Snow cover (EK016SNC) (only for ERLQ)
▪ Prevents the outdoor unit from being snowed up.
▪ Recommended in areas with low ambient temperatures or heavy
snowfall.
▪ For installation instructions, see the installation manual of the
snow cover.
Drain plug kit (EKDK04) (only for ERHQ)
▪ Gathers the condensate from the outdoor unit and guides it away
through 1 plug in the bottom plate.
▪ For ERLQ: Drain plug kit is not applicable.
▪ For ERHQ: Drain plug kit is option.
▪ Cannot be combined with bottom plate heater.
▪ For installation instructions, see the installation manual of the
drain plug kit.
Bottom plate heater (EKBPHTH16A) (only for ERHQ in
combination with C* indoor unit)
▪ Prevents freeze-up of the bottom plate.
▪ Recommended in areas with low ambient temperature and high
humidity.
▪ For ERLQ: Bottom plate heater is standard (factory-mounted).
▪ For ERHQ: Bottom plate heater is option.
▪ Cannot be combined with drain plug kit.
▪ If you install EKBPHTH16A, you also have to install the digital I/O
PCB (EKRP1HB).
▪ For installation instructions, see the installation manual of the
bottom plate heater and addendum book for optional equipment.
4.3.2
Possible options for the indoor unit
User interface (EKRUCBL*)
The user interface and a possible additional user interface are
available as an option.
The additional user interface can be connected:
▪ To have both:
▪ control close to the indoor unit,
▪ room thermostat functionality in the principal space to be
heated.
▪ To have an interface containing other languages.
Following user interfaces are available:
