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11 Technical Data
Device information for hot water heat pumps
Exhaust air ventilation hot water heat pump
LBW 300
LBW 300 LW
Design
Without additional internal heat
exchanger
With additional internal heat
exchanger
Nominal cylinder volume
(litre)
300
290
Cylinder material
Enamelled steel according to
DIN 4753
Enamelled steel according to
DIN 4753
Nominal cylinder pressure
(bar)
10
10
Dimensions: height x width x depth
(cm)
169.5 x 66 x 66
169.5 x 66 x 66
Weight (empty)
(kg)
Approx. 110
Approx. 125
Electrical connection (plug-in - lead length approx. 2.7 m)
230V ~ 50Hz
230V ~ 50Hz
Fuse
(A)
16
16
Refrigerant R 134a, total filling weight
(kg)
1.0
1.0
Performance data
Exhaust air temperature range
(°C)
15 to 30
15 to 30
Water temperature during heat pump operation - fixed-setpoint (°C)
58
58
Heating-up period from 15 °C to 55 °C at (L20 / F50)
1
(h)
1. With fan level III (300 m
3
/h)
9.5
9.4
Power consumption supplementary electrical heating
(Watt)
1500
1500
Mean power consumption
at 45 °C
(Watt)
410
410
Mean heat output
2
at 55 °C
(Watt)
2. Heating up of the nominal volume from 15 °C to 55 °C with L20 / F50 = exhaust air temperature 20 °C and exhaust air humidity 50% and fan level III
1400
1400
COP (t) according to TNO
4.05
4.05
COP (t) according to EN 255, Part 3
4.4
4.4
Sound pressure level at 300 m
3
/h
3
(dB(A))
3. At a distance of 1 m (free-standing installation or installation without exhaust air duct or 90° pipe bends on the exhaust air side)
44
44
Air flow for ventilation operation (3-level operation)
(m
3
/h)
95, 185, 300
95, 185, 300
Air flow for heating-only heat pump operation
(m
3
/h)
185, 300
185, 300
External compression
(Pa)
250
250
Maximum air duct connection length
(m)
10
10
Air duct connection cross-section
(mm)
160
160
Transfer area of the internal heat exchanger
(m
2
)
-
1.45
Sensor pipe Ø
internal
(for sensor – heat exchanger operation)
(mm)
-
12
Circulation pipe connection
external thread
R ¾“
R ¾“
Hot water outlet connection
external thread
R1“
R1“
Cold water inlet connection
external thread
R1“
R1“
Internal heat exchanger connection
external thread
-
R1“
Summary of Contents for LBW 300
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