STIEBEL ELTRON LWZ 404 SOL Installation Manual

56 | LWZ304-404 SOL www.stiebel-eltron.com
INSTALLATION
Specication
11.9 Data table
The output data refers to new appliances with clean heat ex-
changers. The power consumption of the integral auxiliary drives
represents the maximum value and may vary subject to operating
point. The power consumption of the integral auxiliary drives is
included in the output details of the appliance (to EN14511).
LWZ 304 SOL LWZ 404 SOL
230143 230144
Heating output to EN 14511
Heating output at A-7/W35 (EN 14511) kW 2.98 4.74
Heating output at A2/W35 (EN 14511) kW 4.32 6.38
Heating output at A7/W35 (EN 14511) kW 5.29 7.59
Heating output, emergency/booster heater kW 2.9 / 5.8 / 8.8 2.9 / 5.8 / 8.8
Cooling capacity at A35/W7 kW 3.6 4.6
Max. heating output kW 13 14.8
Power consumption to EN 14511
Power consumption at A-7/W35 (EN 14511) kW 1.15 1.63
Power consumption at A2/W35 (EN 14511) kW 1.33 1.84
Power consumption at A7/W35 (EN 14511) kW 1.44 1.96
COP to EN 14511
COP at A-7/W35 (EN 14511) 2.72 2.9
COP at A2/W35 (EN 14511) 3.40 3.46
COP at A7/W35 (EN 14511) 3.84 3.89
Sound data
Sound power level (EN 12102) dB(A) 56 58
Application limits
Min. application limit, heat source °C -20 -20
Max. application limit, heat source °C 35 35
Max. pressure drop, outdoor air Pa 25 25
Min. installation room volume m³ 12 12
DHW temperature with heat pump at A2 °C 50 50
Water hardness °dH ≤3 ≤3
Conductivity (softening) μS/cm <1000 <1000
Conductivity (desalination) μS/cm 20-100 20-100
Chloride mg/l <30 <30
Oxygen 8-12 weeks after filling (softening) mg/l <0.02 <0.02
Oxygen 8-12 weeks after filling (desalination) mg/l <0.1 <0.1
pH value (with aluminium compounds) 8.0-8.5 8.0-8.5
pH value (without aluminium compounds) 8.0-10.0 8.0-10.0
Hydraulic data
Cylinder capacity l 235 235
Electrical data
Max. power consumption, fan W 170 170
Nominal power consumption, fan W 100 100
Power consumption, circulation pump W < 45 < 45
MCB/fuse protection, emergency/booster heater A 3 x C 16 3 x C 16
Compressor fuse/MCB A 3 x C 16 3 x C 20
MCB/fuse protection, controller A C 16 C 16
Rated voltage, emergency/booster heater V 400 400
Rated voltage, compressor V 400 400
Rated voltage, controller V 230 230
Phases, emergency/booster heater 3/N/PE 3/N/PE
Phases, compressor 3/N/PE 3/N/PE
Phases, controller 1/N/PE 1/N/PE
Frequency Hz 50 50
Total power consumption A 17 20
Starting current (with/without starting current limiter) A 19/29 27/39

STIEBEL ELTRON LWZ 404 SOL Specifications

General

Brand	STIEBEL ELTRON
Model	LWZ 404 SOL
Category	Fan
Language	English