W 300-5 P – 6 720 821 103 (2018/10)
26
About the product
2
About the product
2.1
Intended use
The DHW cylinder is designed for heating and storing potable water.
Please observe national, regional, and local codes, regulations,
guidelines and standards for potable water.
Install this DHW cylinder only in sealed unvented systems.
Any other purpose is considered improper use. Any resulting damage
from prohibited usage is excluded from liability.
2.2
Data plate
The data plate is located at the top rear of the DHW cylinder and includes
the following details:
2.3
Supplied parts
• Hot water cylinder
• Installation and maintenance instructions
2.4
Specifications
Requirements for potable
water
Unit
Water hardness, min.
ppm
grain/US gallon
°dH
36
2.1
2
pH value, min. – max.
6.5 – 9.5
Conductivity, min. – max.
μS/cm
130 – 1500
Table 2 Requirements for potable water
Item Description
1
Model designation
2
Serial number
Table 3 Data plate
3
Actual capacity
4
Standby heat loss
5
Volume heated by immersion heater
6
Year of manufacture
7
Corrosion protection
8
Max. DHW temperature, cylinder
9
Max. flow temperature, heat source
10
Max. flow temperature, solar
11
Connected electrical load
12
Heating water heat input
13
Heating water flow rate for heating water heat input
14
Output volume at 40 °C electrically heated
15
Max. operating pressure on the domestic hot water side
16
Highest design pressure
17
Max. operating pressure on the heat source side
18
Max. operating pressure, solar side
19
Max. operating pressure on the domestic hot water side, CH
20
Max. test pressure on the domestic hot water side, CH
21
Max. DHW temperature with electric heating
Item Description
Table 3 Data plate
Unit
W 300-5 P
W 400-5 P
General information
Dimensions
Tilt height
mm
1655
1965
Minimum room height for anode replacement
mm
1850
2100
Connections
Connection size, DHW
DN
R1"
R1"
Connection size, cold water
DN
R1"
R1"
Connection size, circulation
DN
R¾ "
R¾ "
Inner diameter, test point, cylinder temperature sensor
mm
19
19
Dry weight (excluding packaging)
kg
105
119
Total weight when filled
kg
405
509
Cylinder capacity
Useful capacity (overall)
l
300
390
Usable DHW volume
1)
with DHW outlet temperature
2)
:
45 °C
l
429
557
40 °C
l
500
650
Standby heat loss in accordance with DIN 4753 Part 8
3)
kWh/24h
1.94
2.12
Maximum flow rate, cold water inlet
l/min
30
39
Maximum DHW temperature
°C
95
95
Maximum operating pressure, potable water
bar
(positive)
10
10
Highest design pressure (cold water)
bar
(positive)
7.8
7.8
Maximum DHW test pressure
bar
(positive)
10
10
Heat exchanger
Content
l
8.8
12.1
Surface area
m
2
1.3
1.8
Performance factor N
L
according to DIN 4708
4)
NL
7.8
12.5
Table 4 Dimensions and specifications (