Install Instructions

26
Installation and maintenance instructions Logano G215 US oil/gas-fired boilers • Issue 2014/10
We reserve the right to make any changes due to technical modifications.
Boiler block assembly7
7.2 Check for leaks
Conduct a leak test of the boiler block only when the
boiler was delivered disassembled.
7.2.1 Preparing for a leak test
z Close all boiler hubs (Î Chapter 7.1.12, page 25).
z Close front and back connections (fit vent to the
Rp ¾ connection block (Î Fig. 22).
7.2.2 Leak test
Carry out the leak test with a test pressure of 84 psi (in
accordance with the requirements of the European
Pressure Vessel Directive).
z Slowly fill the boiler block via the boiler fill & drain
valve. Vent at the highest point of the system, until
water flows out of the air vent valve.
Hub joints leaking?
z If a hub joint is leaking, first drain the water through
the fill & drain valve.
z Remove the water pipes.
z Remove the distribution tube.
z Release and remove the anchor rods.
z Separate the leaking boiler by driving flat wedges or
chisels into the leaking part.
For subsequent installation of the boiler see
(Î Chapter 7.3, page 27).
NOTICE
Please note the rating plate details.
Use a pressure gauge class 1.0 for the
pressure test.
CAUTION!
SYSTEM DAMAGE
due to overpressure.
z Ensure that no pressure, control or
safety equipment is fitted.
Fig. 26 Separate the boiler block
NOTICE
Clean the hubs before reassembly.
Use new nipples and new sealing rope for
the reassembly.
Compress the boiler block again.
Fit the anchor rods and feed pipe.
Install the water pipework.
Repeat the leak test.