Product details
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7
6 720 644 143 (2010/09)
3
Product details
ZSB
appliances are boilers for heating. They can be
fitted with the diverter valve accessory to connect to an
indirectly heated hot water cylinder.
ZWB
appliances are combi boilers for central heating
(CH) and domestic hot water (DHW) heating according
to the instantaneous water heating principle.
3.1
Intended use
The appliance may only be installed in a sealed unvented
central heating system.
This appliance is intended for indoor use only. It is not
to be used as a pool heater.
Using the appliance for any other purpose will be
considered incorrect use. Bosch accepts no liability for
any damage resulting from such use.
The commercial and industrial use of the appliance to
generate process heat is not permitted.
3.2
Explanation of model code
Z
Central heating appliance
S
Cylinder connection
W
DHW heating
B
Condensing boiler technology
30
Output up to 30 kW
37
DHW output up to 37 kW
-2
Version
A
Fan-assisted appliance without draught hood
23
Natural gas H
Note:
Appliances can be converted to LPG.
31
LPG
S2414
Special number for Australia/New Zealand
3.3
Gas type
The code number indicates the gas family according to
AS 4552:
3.4
Type plate
The type plate [47] can be found on the inside of the
appliance at the bottom right (
Æ
Fig. 3, page 10).
It contains details of the output of the appliance, the
order number, the approval data and the date of
manufacture in encoded form.
ZSB 30-2
A
23
S2414
ZSB 30-2
A
31
S2414
ZWB 37-2
A
23
S2414
ZWB 37-2
A
31
S2414
Table 2
Code
number
Wobbe index
(W
S
) (15 °C)
Gas type
23
12.2 - 55.0 MJ/m
3
NG
31
72.9 - 87.2 MJ/m
3
LPG
Table 3
LPG type
1)
1) according to NZS 5435
Use
Commercial Propane
recommended
Commercial Butane
permitted
General Product
permitted
Universal LPG (U-LPG)
permitted
Table 4
