Buderus Logano GA244 Installation, Operation And Maintenance Manual page 27

Placing the Boiler in Operation
10. Repair leaks and repeat step 9.
11. Remove the manifold pressure tapping plug
(Fig. 24, Item. 3) from the gas control, install a test
fitting (Fig. 23, Item. 6) and hook up a manometer
between pressure tapping plug (Fig. 24, Item. 3)
(overpressure) and the pressure test port (burner
box) (negative pressure) (Fig. 24, Item. 6) so that
the line pressure can be checked. Check manifold
pressure. Set the manifold pressure according the
values in Table 11, page 29. If corrections are
necessary see Table 11, page 29.
12. Open main gas piping shutoff valve and measure
the supply pressure to the boiler. The supply
pressure must be between 4.7 and 10.5 inches
water column (WC) for natural gas or 11 and 13
inches water column for propane gas. If the
pressure is not between 4.7 and 10.5 inches WC for
natural gas or between 11 and 13 inches WC for
propane gas, call your service technician or gas
supplier.
13. Follow the lighting instructions below.
We reserve the right to make any changes due to technical modifications!
Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004
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Fig. 24 Gas control
Item. 1: Gas control knob (set to "ON")
Item. 2: Test port screw for gas supply measurement
Item. 3: Test port screw for manifold pressure measurement
Item. 4: Pilot tubing
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
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