697434
39
Zoom out
Zoom in
Previous page
1/72
Next page
Commissioning
6720813171 (2016/05) 39
Slowly open the gas valve by pushing on the gas valve and turning it
¼ rotation in an anticlockwise direction. The gas valve is open when
it is in the vertical position.
Fig. 79 Open the gas valve
Switch off the power supply to the heating system.
Fig. 80 Switch off the power supply to the heating system
Check the new pipe section up to and including its connection (i.e.
direct sealing location) to the gas fitting for leaks, using a foaming
product. The maximum test pressure allowed at the gas valve inlet is
150 mbar.
10.2.2 Bleeding the gas flow pipe
Close the gas valve.
Fig. 81 Closing the gas valve
Open the screw plug on the testing nipple of the gas supply pressure
and for purging [1] by 2 turns and install a hose.
Slowly open the gas valve by pushing on the gas valve and turning it
anticlockwise through ¼ rotation ( fig. 85, page 58). The gas valve
is open when it is in the vertical position.
Purge the gas supply into a well ventilated area.
Close the gas shut-off valve when no more air is present (fig. 87).
Remove the hose and tighten the screw plug on the testing nipple
again.
Fig. 82 Bleeding the gas flow pipe
10.2.3 Gas consumption test
Isolate all other appliances.
Set the boiler to full load.
Ensure that there is no modulating of the fan gas valve by operating
the test mode.
Carry out the gas consumption procedure as described in the latest
edition of the Essential Gas Safety book.
6 720 648 726-079.1TD
ON
OFF
6 720 648 726-080.1TD
6 720 648 726-081.1TD
NOTICE:
Test the tightness of the measuring nipple(s) used.
GB162-50/65
GB162-80/100
6720813171-2.1TD
39


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Worcester-Bosch GB162-80 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Worcester-Bosch GB162-80 in the language / languages: English as an attachment in your email.

The manual is 5,43 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Worcester-Bosch GB162-80

Worcester-Bosch GB162-80 Installation Guide - English - 12 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info