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Type: Posts; User: breegle1313

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  1. Replies
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    The unit is using zero percent outside air as a...

    The unit is using zero percent outside air as a make up air. the only outside air that the units use is for the sealed combustion and they need to use that due to the negative pressure of the...
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    no, there is no makeup air on the AHU's besides...

    no, there is no makeup air on the AHU's besides the one but the dampers are closed completely.
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    Yes it is a sealed combustion system and we have...

    Yes it is a sealed combustion system and we have not checked the combustion air pressure. The draft pressure is around zero (I say "around" because it will fluctuate between a negative and positive...
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    Yes it stays at the 3.5 " w.c. during all the...

    Yes it stays at the 3.5 " w.c. during all the stages
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    There is a software that you have to plug a...

    There is a software that you have to plug a laptop into the board on the unit and you can read the rpm of the combustion blower and the percent of gas at all six stages. They are all where they are...
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    The burners are staying on the whole time. They...

    The burners are staying on the whole time. They are on a door switch where when they open a roll up door the units shut down and once it is closed the units start back up... Sometimes (probably about...
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    The gas pressure is 3.5 "WC and that is the rated...

    The gas pressure is 3.5 "WC and that is the rated pressure for those units. We actually shut down the exhaust system last night into this morning to test that and we came in the and temperature of...
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    The ice controller does not have a discharge air...

    The ice controller does not have a discharge air sensor at all. The discharge air sensor was installed by honeywell and runs with their programming. The unit itself is calling for 100% heat and we...
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    The units (we have a total of three that are...

    The units (we have a total of three that are having the same problems and are located in the same building.) have one heating module with six stages. It is indirect fired. The model is HDTM 1500 of...
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    We do not own the equipment. The company that...

    We do not own the equipment. The company that owns the equipment sub-contracts all the maintenance work to the company that we work for. Should i still be putting it in the "Commercial AOP" or should...
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    ICE help, No temperature rise

    On our site we have three ICE (industrial commercial equipment) air handlers in a high bay that is controlled with a HEPA exhaust that expels around 18000 CFMs out of the building. We are having...
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