US USFF-300, Руководство по эксплуатации

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14
Service
(authorized technicians only)
All equipment has been debugged before delivery. If have the following problems, such
as initial installation, gas or piping pressure issues, please refer to the relevant information
on the equipment label or instructions.
 Check and adjust the main burner.
There will be stable blue flame on the normal main burner; each flame port is 3/4 inches
long.
Yellow flame (lack of air) Blow flame (too much air) Normal flame

Check and adjust pressure regulator.
Supplied gas pressure regulator is factory set at 4”Natural
Gas W.C, and L.P. Gas pressure is factory set at
10”Natural Gas W.C;
Use a pressure gauge which is equipped with liquid (such
as U-type pressure gauge, the minimum value is 0.1mbar)
or a digital pressure gauge to test.
Steps are as follows; Reference picture to right.
1. Open cabinet door, remove needle type pressure joint screw arbor, slip
rubber tube of pressure gauge over needle type pressure joint;
2. Start the equipment in accordance with the instructions, measuring gas
supply pressure (dynamic pressure) in the work state;
3. Access to the equipment if measured data within the limits of Table 1, otherwise, you will need to adjust
gas pressure regulating valve or contact gas supplier.
4. Unplug pressure gauge after you accomplish pressure testing, then install needle type pressure joint
screw arbor. Important: must screw joint arbor in order to avoid gas escaping!