Installation manual

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Domestic Hot Water Preparation and Ventilation with Heat Pumps 6.6
6.6 Device Information for Compact Domestic Ventilation Units (Exhaust
Air)
Device information for compact domestic ventilation systems (exhaust air)
Compact domestic ventilation unit (exhaust air) LWP 300W
Design With additional internal heat exchanger
Nominal cylinder volume (litre) 290
Cylinder material Enamelled steel according to DIN 4753
Nominal cylinder pressure (bar) 10
Dimensions W x H x D (overall) (cm) 66 x 65 x 170
Weight (empty) (kg) Approx. 175
Electrical connection 230V ~ 50Hz
Fuse (A) 16
Refrigerant R134a, total filling weight (kg) 0.8
Performance data
Air temperature operating range of heat pumps (°C) 15 to 30
Selectable water temperature (heat pump operation
±1.5K
)(°C)
23 to 60
Heating-up period from 15 °C to 60 °C at (L20 / F50) (h) 10.3
Power consumption supplementary electric heating (Watt) 1500
Mean power consumption
1
at 45 °C (Watt)
1. Heating up of the nominal volume from 15 °C to 45 °C with L20 / F50 = exhaust air temperature 20 °C and exhaust air humidity 50% and fan level III
470
Mean heat output
1
at 45 °C (Watt)
1590
COP (t) according to EN 255 at 45 °C 3.4
Stand-by energy consumption at 45°C / 24h (Watt) 47
Sound pressure level
2
(dB(A))
2. At a distance of 1 m (free-standing installation or installation without exhaust air duct or 90° pipe bends on the exhaust air side)
53
Air flow: level I / II / III (m
3
/h)
120 / 185 / 230
Mean power consumption - fan level I / II / III (W) 15 / 28 / 45
External compression (Pa) 200
Air duct connection cross-section (mm) 160
Transfer area of the internal heat exchanger (m²) 1.45
Sensor pipe ∅
internal
(for heat exchanger operation) (mm)
12
Circulation pipe connection external thread R ¾“
Hot water outlet connection external thread R1“
Cold water inlet connection external thread R1“
Internal heat exchanger connection external thread R1“