•Altherma
TM
• Indoor units
73
• Indoor units • EKHBH-X016AB
2 Specifications
2
2
Electric heater Type 9WN
Power Supply Phase 3~
Frequency
Hz 50 50
Voltage V 400 400
Current back-up
heater
Running
Current
A13 13
Current back-up
heater + booster
heater (EKHWS*
models)
Running Current *V3 A 26 (13+13)
*Z2 A 20.5 (13+7.5)
Minimum Ssc value *V3 Equipment complying with EN/IEC 61000-3-12 **
*Z2 Equipment complying with EN/IEC 61000-3-12 **
Electric heater Voltage range Minimum -10%
Maximum +10%
Wiring connections For power supply
backup heater
Quantity of wires 4G
Type of wires Select diameter and type according to national and local regulations
Electric heater Type 9T1
Power Supply Phase 3~
Frequency
Hz 50 50
Voltage V 230 230
Current back-up
heater
Running
Current
A 22.6 22.6
Minimum Ssc value Equipment complying with EN/IEC 61000-3-12 **
Current back-up heater
+ booster heater
(EKHWS* models)
Running Current *V3 A 35.6 (22.6+13)
Minimum Ssc value *V3 Equipment complying with EN/IEC 61000-3-12 **
Electric heater Voltage range Minimum -10%
Maximum +10%
Wiring connections For power supply
backup heater
Quantity of wires 4G
Type of wires Select diameter and type according to national and local regulations
Connection type For power supply connection to Optional Warm Water Tank + Q2L
Quantity of wires 3G
Type of wires Select diameter and type according to national and local regulations
Type of wires For more details of the voltage range and current refer to installation manual EKHBH/X016AB*
Connection type For connection with R5T
Quantity of wires Wire included in option EKHWS*
Type of wires Wire included in option EKHWS*
Connection type For connection with A3P
Quantity of wires Depends on thermostat type, refer to installation manual EKHBH/X016AB*
Type of wires Select diameter and type according to national and local regulations
Type of wires Voltage: 230V/Maximum current: 100mA/Minimum 0,75 mm²
Connection type For connection with M2S
Quantity of wires 3G
Type of wires Select diameter and type according to national and local regulations
Type of wires Voltage: 230V/Maximum current: 100mA/Minimum 0,75 mm²
Connection type For connection with M3S
Quantity of wires 3G or 4G
Type of wires Select diameter and type according to national and local regulations
Type of wires Voltage: 230V/Maximum current: 100mA/Minimum 0,75 mm²
Notes Above mentioned power supply of the hydro box is for the backup heater only. The Switch box &
pump of the hydrobox are supplied via the outdoor unit. The optional domestic warm water tank
has a separate power supply.
Optional electric heater has 2 capacity steps except for the 3V3 model which has only 1 capacity
step.
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 with Zsys(***) <= Zmax
(*) European/International Technical Standard setting the limits for voltage changes, voltage
fluctuations and flicker in public low-voltage supply systems for equipment with rated current <= 75A
(**) European/International Technical Standard setting the limits for harmonic currents produced by
equipment connected to public low-voltage systems with input current >16A and <= 75A per phase
(***) System impedance
2-2 ELECTRICAL SPECIFICATIONS EKHBH016AB EKHBX016AB
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