Daikin 90 Plus AFUE, Installation & Commissioning

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© 2014 Daikin North America, LLC
Gas Pressure Test
Field Test Mode Only

Allows gas valve pressure to be
checked at 100% firing rate .

Steps to test Gas Pressure :

Push the “FAULT RECALL” and
“LEARN” push buttons greater
than one second.

Fault display will go blank.

Release buttons within 5
seconds

Display will flash “Ft” to
indicate that you are now in the
“test mode.”

The control will force a high
capacity demand at this time.
© 2014 Daikin North America, LLC
Gas Pressure Test

Cont:

The “Ft” will flash until the furnace has reached 100%.

Solid “FT” once 100% capacity is achieved.

A 5 ‐ minute timer has just started.

The line pressure supplied to the gas valve must be within the
range specified below:

Supply pressure can be measured at the gas valve inlet pressure tap.

The supply pressure MUST be measured with the burners operating.
Inlet Gas Supply Pressure
Natural Gas Minimum: 4.5” w.c. Maximum: 10.0” w.c.
Propane Gas Minimum: 11.0” w.c. Maximum: 13.0” w.c.