FT-C Vertical Electric Thermal Fluid Heater Manual 12 2013 ISSUE 1
17) The burner control will stay at this pilot hold stage so you can inspect and adjust the pilot as
needed.
18) The pilot gas pressure should match the test re sheet.
19) The ame signal should be greater than 90% when viewed from the top menu of the Siemens
AZL display.
20) Once the pilot is adjusted properly and you are ready to light the main burner, press Escape to
the main menu.
1) Under Params&Display >RatioControl >ProgramStop, change the Program Stop to 52 Interv2.
This is the main burner ignition position. Press Enter and conrm that 52 Interv2 is acknowl
edged in the current eld. This change moves the control to the main burner ignition point in the
burner sequence.
2) This will allow the main burner to ignite. Should the burner not light, the gas and air servo
motors are not synchronized to produce a combustible mix.
3) Turn the ON/OFF switch on the panel box to OFF.
4) To reset the alarm: Press Escape on the AZL once. Press Enter on the AZL to reset the control.
The red light should go out.
5) To change the setting, return to the front menu by pressing Escape until you are to the main
menu. Then select Params&Display >RatioControl >GasSettings >SpecialPositions > Ignition
Pos, adjust the gas servo position by using the arrow key to move down to Gas servo if needed.
Press Enter to select the servo. Move the gas servo to its new position with the arrow keys.
Press Enter to conrm the new value. Use the down arrow to move to the air servo setting if
needed. Press Enter to select the servo, use the arrow keys to set the new value. Press Enter
to conrm this.
6) Switch the ON/OFF switch back to ON. The heater will re-start.
7) The light off point for main ame can be set at a higher input than low re.
8) Press Escape 6 times to get back to the main menu.
9) You can observe the status of the burner by going to OperationalStat > NormalOperation.
10) Verify that the ame signal on the display is great than 90% and check combustion. Adjust the
burner to match the test re sheet for main burner ignition. The procedure described in Setting
Main Burner Ignition is used.
11) Once the ignition position has been adjusted properly, you are ready to check the burner
throughout its modulation range. Press Escape twice to get back to the main menu.