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Installation manual
8.3 Table of pressure and adjustment
Gas category Heating power
(BTH/h)
Inlet pressure
(WC")
Injector pressure
(WC")
Injector size (⌀
mm)
Air reducing plate
(mm)
Label number
Natural 143400 7 3.2 4.00 490359201
A = 18
Default
Propane 143400 11 11 2.40 490359201
A = 18
490355721
When a machine with liquid petroleum gases shall be installed or used on high altitude (2001 feet and higher) a kit
for high altitude must be installed.
For kit No. please refer to the spare parts list.
8.4 Test run
• Loosen the measuring branch screw (2) 1/4 turn; connect a manometer to the measuring branch.
• Select a program with heat.
• Start the machine.
• Check the nozzle pressure, see “Table of pressure and adjustment”.
• If necessary adjust the regulator setting screw (4) behind the cover screw (3). Replace the cover screw (3) if
removed.
• Check that the gas is burning evenly.
fig.7120
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