Bosch ZSB 30-2 A Operations Instructions download pdf (Page 52)

52 | Converting the appliance to different gas types

6 720 644 143 (2010/09)

12.3 Checking the gas supply pressure

B Switch off the appliance and turn off the gas tap.

B Undo the plug on the testing point for gas inlet

pressure and connect a pressure gauge.

Fig. 52

B Turn on the gas tap and switch on the appliance.

B Press and hold the central heating boost button

until it lights up.

The display shows the flow temperature alternating

with = maximum set output.

B Briefly press the central heating boost button .

The display shows the flow temperature in alternation

with = maximum rated output.

B Check required gas supply pressure according to

table.

B Repeatedly press the central heating boost button

until the light goes out.

The display will show the CH flow temperature again.

B Switch off the appliance, turn off the gas cock,

remove the pressure gauge and refit the plug.

B Refit the outer casing.

Gas type Permissible pressure range at

max. rated output

[mbar/kPa]

NG 11 - 30/1.1-3.0

LPG (Propane)

1) Standard figure for LPG with fixed cylinders with

capacities up to 15 000 l

25 - 45/2.5-4.5

LPG (Butane) 25 - 35/2.5-3.5

Table 21

Never commission the appliance above or

below these values. Identify and eliminate

the cause. Where that is impossible, shut off

the gas side of the appliance and notify the

gas supply utility.

6 720 614 090-34.1O

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 79 80

No comments

Bosch ZSB 30-2 A Operations Instructions Page 52