STIEBEL ELTRON DHE Connect 18/21/24 User Manual



106  
17.9 Data table
 

 dHe

234467 234468 234459 234460
Electrical data
Rated voltage V 380 400 415 380 400 380 400 415 380 400
Rated output kW 16.2/19/21.7 18/21/24 19.4/22.6/25.8 24.4 27 16.2/19/21.7 18/21/24 19.4/22.6/25.8 24.4 27
Rated current A 27.6/29.5/33.3 29/31/35 30.1/32.2/36.3 37.1 39 27.6/29.5/33.3 29/31/35 30.1/32.2/36.3 37.1 39
MCB/fuse rating A 32/32/35 32/32/35 32/32/40 40 40 32/32/35 32/32/35 32/32/40 40 40
Phases 3/PE 3/PE 3/PE 3/PE
Frequency Hz 50/60 50/- 50/- 50/60 50/- 50/60 50/- 50/- 50/60 50/-
Max. mains impedance Ω 0.284 0.270 0.260 0.254 0.241 0.284 0.270 0.260 0.254 0.241
Electronic standby W <0.7 <0.7 <0.7 <0.7
Specific resistance ρ
15
≥ (at ϑcold ≤25°C) Ω cm 900 900 900 900
Specific conductivity σ
15
≤ (at ϑcold ≤25 °C) μS/cm 1111 1111 1111 1111
Specific resistance ρ
15
≥ (at ϑcold ≤55°C) Ω cm 900 900 900 900 900 900 900 900 900 900
Specific conductivity σ
15
≤ (at ϑcold ≤55°C) μS/cm 1111 1111 1111 1111 1111 1111 1111 1111 1111 1111
Connections
Water connection G 1/2 A G 1/2 A G 1/2 A G 1/2 A
Application limits
Max. permissible pressure MPa 1 1 1 1
Max. inlet temperature for reheating °C 55 55 55 55
Values
Max. permissible inlet temperature °C 70 70 70 70
On l/min >2.5 >2.5 >2.5 >2.5
Flow rate for pressure drop l/min 5.2/6.0/6.9 7.7 5.2/6.0/6.9 7.7
Pressure drop at flow rate MPa 0.06/0.08/0.10 0.12 0.06/0.08/0.10 0.12
DHW line l/min 9.2/10.7/12.3 13.8 9.2/10.7/12.3 13.8
Δϑ on delivery K 28 28 28 28

STIEBEL ELTRON DHE Connect 18/21/24 Specifications

General

Power Output	18/21/24 kW
Voltage	400 V
Frequency	50/60 Hz
Control	Electronic
Protection Class	IP25
Rated Current	26/30/35 A
Energy Efficiency Class	A
Connection Type	Fixed Connection
Type	Instantaneous Water Heater
Connectivity	WiFi
Temperature Range	20°C to 60°C