Boiler Connections; Assembly Of Internal Cylinder Return Pipe To The Boiler - Bosch Worcester 7 716 192 566 Installation Instructions Manual

BOILER CONNECTIONS

3 BOILER CONNECTIONS
NOTICE: CYLINDER RETURN PIPE
▶ The following must be completed before the boiler is
mounted onto the wall mounting frame
3.1 ASSEMBLY OF THE INTERNAL CYLINDER RETURN
PIPE TO THE BOILER
Use the packaging as protection, turn the boiler on its left hand side to
enable fitting of the hot water return pipe.
▶ Move the control panel into the service position by removing the
screw from the retaining bracket.
1. Loosen the two retaining screws to free the back clamping plate on the
hydraulic block as shown in figure 3.
1.
1.
2.
Fig. 3 Hot water return pipe fitting
4
2. Remove the brass bung assembly from the hydraulic block by
removing the screw and sliding it free from the flange on the clamping
plate. Make sure that the other brass bung assembly is retained in
place.
3. Remove the copper pipe from the Optional Integral Diverter Valve Kit
and feed the flat end of the pipe through the rear of the boiler as
shown.
4. Before fitting the pipe, check that the seal is in position on the plastic
moulding. Slide the flat end of the pipe under the flange on the
hydraulic block clamping plate ensuring that pipe is located correctly.
5. Secure the clamping plate by re-tightening the two screws (1)
loosened in step 1.
4.
3.
Re-secure the control panel before lifting the boiler.
5.
i System Diverter Valve kit 6 720 645 222 (2012/09)