Product Information; Correct Use; Scope Of Delivery; Technical Data - Bosch BH 120-5 Installation And Maintenance Instructions For The Contractor

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Product information

2.1

Correct use

Buffer cylinders may only be filled with heating water.
Only use buffer cylinders in sealed heating systems.
Operate the buffer cylinders BH 120-5, BH200-5, BH 300-5 preferably
in combination with heat pumps.
Any other use is considered incorrect. Any damage that may result is
excluded from liability.
2.2

Scope of Delivery

• Buffer cylinder
• Installation and servicing instructions
2.3

Technical data

• Dimensions and specifications ( Fig. 1, page 54)
Unit
Available capacity (total)
1)
Standby heat loss kWh/24h
Maximum heating water
temperature
Maximum heating water
operating pressure (positive)
Table 2 Technical data (A)
1) EN 12897; Excluding distribution losses outside the buffer cylinder.
Unit
Available capacity (total)
1)
Standby heat loss kWh/24h
Maximum heating water °C
temperature
Maximum heating water bar
operating pressure (positive)
Table 3 Technical data (B)
1) EN 12897; Excluding distribution losses outside the buffer cylinder.
2.6

Product datasheet on energy consumption

The following product data complies with the requirements of EU Regulation No 814/2013 as a supplement to Ecodesign Directive 2017/1369/EU and
Regulations EU 814/2013 as retained into UK law and amended..
Product number Product typ
7 735 501 535 BH 120-5 1
7 735 500 777 BH 120-5
8 718 543 039 BST 120-5 Ehp
7 735 501 538 BH 200-5 1
7 735 500 778 BH 200-5
8 718 543 047 BST 200-5 Ehp
7 735 500 795 BH 300-5
8 718 542 850 BST 300-5 Ehp
Table 6 Product datasheet on energy consumption
BH 120-300-5 – 6 720 821 243 (2022/06)
BH 120-5 BH 200-5
A A
l 120 203
0,9 1,0
°C 90 90
bar 3 3
BH 120-5 BH 200-5 BH 300-5
B B
l 120 203
1,1 1,4
90 90
3 3
Storage volume (V)
120,0 l
122,9 l
203,7 l
203,6 l
307,2 l
2.4

Product description

Item Description
1 Heating system flow
2 Casing, painted sheet metal with rigid polyurethane foam
insulation
3 Heating system return
4 Return to heat pump
5 Sensor well for return temperature sensor (GT1)
(Test point)
6 Drain tap
7 Storage cylinder, steel
8 Flow from heat pump
9 Plug with sensor well for flow temperature sensor (T1)
10 Air vent valve
11 PS casing lid
Table 4 Product description (
2.5

Data plate

The data plate is located at the top of the rear of the buffer cylinder and
includes the following details:
Item Description
1 Type
2 Serial number
3 Available capacity (total)
4 Standby heat loss
6 Year of manufacture
B
9 Max. heating water flow temperature
307
17 Max. heating water operating pressure
1,8
Table 5 Data plate
90
3
Standing loss (S)
35,2 W
46,8 W
41,4 W
58,2 W
74,2 W
Product information

Fig. 2, page 55)
Water heating energy efficiency class
A
B
A
B
C
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