8Conversion instructions Logano GA124 special gas-fired boiler • Issue 2012/10
We reserve the right to make any changes due to technical modifications.
Conversion to propane3
29. Tighten the screws (Fig. 5, page 6) between the
gas valve and the burner box again. Make sure that
the connection pipe gasket removed in step 15 is
replaced.
30. Attach wires to the flame roll-out switch.
31. Remove wire or rope that was used to hold the gas
supply line in step 14.
32. Connect pilot gas line to gas valve again.
33. Connection ignition wire to the ignition module.
34. Enter the required information on the conversion
label and attach on the outside of the boiler jacket as
close as possible to the nameplate.
Carrying out leak test
35. Open manual gas shut-off in the gas line.
36. Check the gas supply line to the gas valve for leaks
with soap solution. If no leaks are found, continue
with step 38. If any leaks are found, close gas
shut-off valve.
37. Seal leaks and repeat step 36.
38. Close main shut-off valve. Remove the screw plug
for the gas supply port on the gas valve. Install
pressure measuring nipple and attach a pressure
gauge to measure the gas pressure.
39. Remove the screw plug for the manifold pressure
port on the gas valve. Install pressure measuring
nipple and attach a pressure gauge to measure the
manifold pressure.
40. Open gas valve and measure the gas pressure of
the boiler. The connection pressure must be
between 11" and 13" W.C. If the connection
pressure is not between 11" and 13" W.C., contact
your customer service technician or LP gas
company.
41. Always follow the start-up instructions on the next
page.
Fig. 8 Front view
1Flame roll-out switch (boiler size 17)
2Gas connection pipe
3Gas valve
4Ignition cable
5Ignition module
6Wire holder for gas supply line
7Aquasmart
8Pilot gas line
9Air supply hose
10 Gas supply pipe
11 Fuse
4
1
2
3
10
11
5
8
7
6
9
6 720 804 894-01.1T
Fig. 9 Gas valve
1ON/OFF button (at ON position)
2Screw plug for gas supply pressure measuring port
3Screw plug for manifold pressure measuring port
4Pilot gas line connection
