Anderson 80G530 Руководство по эксплуатации - Страница 11

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from the appropriate SSA80 burner table to set the differential air pressure needed

at high fire.

Set the system to low fire air. Drive to low fire position. Measure pressure with

manometer set to 0.5mbar. This is the initial setting only. Further adjustment may

be required.

Make sure all the settings are still the same after you cycle the system several times

between high and low fire.

Burner ignition: open all the manual cocks, make sure air blower is running, the

automatic control valve is driven to low fire by flame controller, spark start ignition,

gas valve open and flame on, flame signal feedback to the controller, adjust gas

and combustion pressure by the opening of valve till strong flame signal send back

to flame controller.

High fire gas setting: drive burner to high fire, set gas pressure difference between

burner and chamber according to the datasheet of relative type of burner. Then

drive burner to low fire and back to high fire again to check the pressure difference.

Several recycles till the pressure difference not change again.

Low fire gas setting: Drive the system to low fire. Setting low fire gas pressure

difference according to datasheet of relative type of burner This is target value for

low fire. Drive burner to high fire then goes back to low fire to check pressure

difference. Several recycles of low and high fire change till the pressure difference

not change again.

NOTE:

It is very difficult to measure the very low pressures experienced at low fire,

and it may be necessary to rely on visual inspection. This is especially true when

gas turndowns in excess of 10:1 are being used. The main intent is to provide a

clean stable flame with a good flame signal that will not cause the furnace

temperature to overshoot.

Verify the Gas Settings: Make sure that all settings are still the same after cycling,

the system several times between high and low fire.

10.9 start burner

Start blower.

Open all the valves including automatic and manual valves.

Start ignition procedure.

Confirm the ignition procedure finished then control valve opening is controlled

by 4-20mA.

Do not turn the combustion air blower off until the chamber temperature is below

120 °C. This will prevent hot gases from back flowing into the burner and blower

causing damage to the burner.

Stop the burner through the burner control system.

Run the combustion air blower until the chamber temperature drops below 80 °C.

Shut off the combustion air blower.

Anderson Thermal Soluions（Suzhou）Co., Ltd

Anderson Thermal Solutions – SSA80 Operation Manual