13 Technical data
Installation and operation manual
39
EHY32AA
Daikin Altherma hybrid monobloc – Gas boiler module
4P538953-1 – 2018.06
Technical data
EHY2KOMB28AA
EHY2KOMB32AA
Water side heat exchanger
Aluminium, copper
Space heating water circuit
Space heating piping connections
Ø22 mm
Piping material
Copper
Safety valve
Not included
Manometer
Yes
Drain/fill valve
No (optional in connection set)
Shut‑off valves
No (optional in connection set)
Air purge valve
Yes (manual)
Maximum pressure space heating circuit
3 bar
Domestic hot water circuit (not applicable for Switzerland)
Domestic hot water piping connections
Ø15 mm
Piping material
Copper
Gas connection
Ø15 mm
Flue gas/combustion air connection
Concentric connection Ø60/100 mm
Electrical
Power supply voltage
230 V
Power supply phase
1~
Power supply frequency
50 Hz
IP class
IP44
(B23, B33=IP20)
Maximum electrical power consumption
110 W
Electrical power consumption (standby)
2 W
Radio module
Power supply
230 V AC mains powered
Frequency range
868.3 MHz
Effective Radiated Power (ERP)
12.1 dBm
(a)
Maximum space heating power is set at the factory at 60% of the highest value
Energy-related products specifications
Technical data
EHY2KOMB28AA
EHY2KOMB32AA
Condensing boiler
Yes
Low-temperature boiler
No
B1 boiler
No
Cogeneration space heater
No
Combination heater
Yes
Space heating efficiency class
A
Rated heat output (P
rated
)
23 kW
27 kW
Useful heat output at 30% of rated heat output
and low-temperature regime
7.7 kW
8.8 kW
Seasonal space heating energy efficiency
93%
Useful efficiency at rated heat output and high-
temperature regime
87.8%
88.9%
Useful efficiency at 30% of rated heat output
and low-temperature regime
97.2%
97.6%
Auxiliary electricity consumption
At full load (el
max
)
0.045 kW
At part load (el
min
)
0.015 kW
In standby mode (P
SB
)
0.002 kW
Other items
Standby heat loss (P
stby
)
0.038 kW
Ignition burner power consumption (P
ign
)
n/a
Annual energy consumption (Q
HE
)
69 GJ
80 GJ
Sound power level, indoors (at maximum heat
output) (L
WA
)
45 dB
50 dB
