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Commissioning supplement for SL G3 series boilers
with side piping
The information provided here covers the commissioning process of the SL 10-85 G3, SL 14-115 G3, SL 20-
160 G3, SL 30-199 G3 boilers. It is intended as a supplement to the official information provided in the
Commissioning 3.0 section of the Installation and Operating Instructions manual.
Equipment needed for commissioning
•
SL Installation and Operating Instructions manual
• Small adjustable wrench or 1/2" (13mm) wrench
• Pocket screwdriver
Before you start the commissioning process
1. Review the Commissioning section in the SL Installation and Operating Instructions manual.
2. Prepare your combustion analyzer:
3.
a. Clear your combustion analyzer outside in a clean environment, and check that the O
20.9% and CO is at 0.
b. Enter the boiler room with the analyzer operating, and verify that the values remain the same or
within safe working limits.
c. Loosen the vent stack bolt to enable easy access to the combustion analyzer's wand.
4. Become familiar with the gas valve. You may notice
differences between gas valves and references in
manuals. Consider the following:
Read only the Inlet gas pressure.
Open the inlet gas port and connect the
manometer:
Gas pressure must not exceed 14" water
column (WC).
Gas pressure must not be less than 4"WC
at any firing rate.
Gas pressure at ignition must not fall more
than 2"WC from static pressures.
6/18/2018
• #15 Torx screwdriver
• Digital combustion analyzer
• Manometer
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Summary of Contents for IBC SL G3 Series
- Page 1 Commissioning supplement for SL G3 series boilers with side piping The information provided here covers the commissioning process of the SL 10-85 G3, SL 14-115 G3, SL 20- 160 G3, SL 30-199 G3 boilers. It is intended as a supplement to the official information provided in the Commissioning 3.0 section of the Installation and Operating Instructions manual.
- Page 2 Once a flame is established, the gas pressure must not fall more than another 3"WC as the unit reaches the maximum firing rate. Commissioning a boiler For the commissioning of each boiler: 1. Record the type of gas and incoming gas pressure. Type of Gas _________ Gas Pressure _______ Ignition Gas Pressure _______Lock-up...
- Page 3 a. Change the load to Manual mode. Select a load (in our example we've selected Set Point) that can reject the amount of heat the boiler will create. When you operate the boiler at high fire for a period (for example, 15 minutes) your selected load will need the capacity to reject this heat.
- Page 4 Identify μA__________ Note: High fire μA should be greater than 6 μA. If the value is: Less than 6 μA, verify combustion. Correct, check the ignitor is correctly positioned in relation to the burner. Still low consider replacing the ignitor with the latest ignitor kit. 3.
- Page 5 a. Change the heat output in the Installer Settings. Go to the Main Menu > Installer Settings > Select the Edit button next to the Manual load type > In the Heat Output box, change the value to the minimum firing rate, and select Save >...
- Page 6 Note: This can be done only after high fire calibration has been set and verified. Adjust the low fire using the zero-offset adjustment screw (Low Fire adjustment). Note: This adjustment is sensitive and should only be attempted after consulting with IBC technical support.
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Page 7: Go To The Main Menu
Go to the Main Menu > Installer Settings > Select the Manual load option, change the load type to the previous load type, and then select OK.> Set the Boiler Supply and Maximum Supply values and Save. b. Review your setup information, and verify the settings are set to your preferences. c.