Step 3B Ignite The Burner (Option 2) - Eclipse TA Series Installation Manual

Step 3b: Ignite the burner
(Option 2: Burner equipped
with bypass start gas)
1. Drive the gas control valve to low fire.
Note:
All ThermAir burners are limited to ignition at inputs below
40% of maximum unless the control circuit on page 15 of
Design Guide 114 is followed.
2. Make sure the combustion air blower is running.
3. Verify that the adjusting screw on the ratio-regulator is six
full (360°) turns down from the top.
4. Open all manual gas valves feeding the burner.
5. Initiate the ignition sequence through the flame monitoring
control system.
6. Verify that the burner has ignited.
If the burner does not ignite:
a) Try to ignite again to purge the air out of the gas piping.
b) If the burner does not ignite after one or two additional
ignition attempts, see the Trouble shooting Guide
contained in the Maintenance & Troubleshooting section
of this guide.
Warning:
This procedure assumes that a flame monitoring
control system is installed and is serviceable. It
also assumes that a normal, low fire start is being
used.
Main Gas
Valve Train
1. Drive the gas control valve to low fire.
2. Make sure the combustion air blower is running.
3. Verify that the adjusting screw on the ratio-regulator is six
full (360°) turns down from the top.
4. Open the flow adjusting valve in the bypass gas line.
5. Open the manual gas valve in the bypass gas line.
6. Initiate the ignition sequence through the flame monitoring
control system.
7. Verify that the burner has ignited.
If the burner does not ignite:
a) Try to ignite again to purge the air out of the gas piping.
b) If the burner does not ignite after one or two additional
ignition attempts, see the Trouble shooting Guide
contained in the Maintenance & Troubleshooting section
of this guide.
Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06
NC
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