14 Technical data
Installer reference guide
128
ERHQ+ERLQ011~016 + EHBH/X11+16CB
Daikin Altherma – Low temperature split
4P384974-1 – 2015.01
Indoor units
EHBH
EHBX
EHBH
EHBX
EHBH
EHBX
EHBH
EHBX
11CB3V
11CB9W
16CB3V
16CB9W
11CB3V
11CB9W
16CB3V
16CB9W
For connection
with optional
FWXV (demand
input and output)
Quantity of
wires
4
Type of wires
100 mA, minimum 0.75 mm
2
(1)
PED unit category: excluded from scope of PED due to article 1, item 3.6 of 97/23/EC.
(2)
Operation area is extended to lower flow rates only in case the unit operated with heat pump only. (Not in startup, no backup heater operation, no
defrost operation).
(3)
Including PHE + backup heater; excluding expansion vessel.
(4)
DB/WB 7°C/6°C – LWC 35°C (DT=5°C)
(5)
The sound pressure level is measured in an anechoice room at 1 m distance from the unit. It is a relative value, depending on the distance and
acoustic environment. The sound pressure level mentioned is maximum possible value inside operation range of unit.
(6)
>50°C BSH only, no heat pump operation.
(7)
Above mentioned power supply of the hydrobox is for the backup heater only. The switch box and the pump of the hydrobox are supplied via the
outdoor unit. The optional domestic hot water tank has a separate power supply.
(8)
Select diameter and type according to national and local regulations.
(9)
Select diameter and type according to national and local regulations. Equipment complying with EN/IEC 61000-3-12: European/technical
standard setting the limits for harmonic currents produced by equipment connected to public low-voltage system with input >16 A and ≤75 A per
phase.
(10)
Above mentioned power supply of the hydrobox is for the backup heater only. The switch box and the pump of the hydrobox are supplied via the
outdoor unit. The optional domestic hot water tank has a separate power supply.
(11)
>50°C booster heater only, no heat pump operation.
Electrical specifications of backup heater and booster heater (only for EKHW)
Type
3V
9W
Backup heater
Capacity setting
3 kW
6 kW
3 kW
6 kW
9 kW
Capacity stage
1
2
1
2
Capacity stage 1
3 kW
Capacity stage 2
—
6
—
6
9
Minimum delay between stages
See figure 1
See figure 2
Power supply
(1)
1~ 50 Hz
3~ 50 Hz
1~ 50 Hz
3~ 50 Hz
Voltage
230 V
400 V
Nominal current
13 A
15.1 A
13 A
26 A
8.7 A
13 A
Z
max
(backup heater)
(2)
—
Minimum S
sc
value
—
(1)
—
Booster heater (optional
EKHW
models)
Capacity setting
3 kW
Capacity stage
1
Minimum time delay between stages
See figure 3
Nominal current
V3
26 (13+13) A
28.1
(15.1+13) A
26 (13+13) A
39 (26+13) A
21.7
(8.7+13) A
26 (13+13) A
Z2
—
16.2
(8.7+7.5) A
20.5
(13+7.5) A
Minimum S
sc
value
V3
(3)
Z2
—
(3)
(1)
The above mentioned power supply of the hydrobox is for the backup heater only. The switch box and the pump of the hydrobox are supplied
with the outdoor unit. The optional domestic hot water tank has a separate power supply.
(2)
In accordance with EN/IEC 61000-3-11, it may be necessary to consult the distribution network operator to ensure that the equipment is
connected only to a supply Zsysnode:1261007898681260911529 ≤Zmaxnode:1261007898681260911528 .
Figure 1: Backup heater (*3V), minimum time delay between
stages
1 min
10 min
a
b
t
a
Capacity
b
Stage 1
t
Time
Figure 2: Backup heater (*9W), minimum time delay between
stages
1 min
1 min
10 min
10 sec
0 sec
6 min*
a
b
c
t
a
Capacity
b
Stage 1
c
Stage 2
(1) The equipment complies with EN/IEC 61000-3-12.
