[Equest-users] Boiler Firing Order and results

[David Eldridge]

Old units probably are oversized especially if they fixed up the roof of the plant since they were put in.

Is there any big heat gain from the plant equipment?

David


David S. Eldridge, Jr., P.E., BEMP, BEAP, HBDP, GGF/GGA
Associate

Direct: (847) 316-9224 | Mobile: (773) 490-5038

Grumman|Butkus Associates | 820 Davis Street, Suite 300 | Evanston, IL 60201
Energy Efficiency Consultants and Sustainable Design Engineers

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From: Equest-users <equest-users-bounces at lists.onebuilding.org> On Behalf Of John Aulbach via Equest-users
Sent: Friday, September 22, 2023 1:53 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Boiler Firing Order and results

I have a factory in Michigan running 24/7 and being heated continuously except for May-Sept. I am operating 5 boilers. Boiler 1 fires, then Boiler 2 to support, then Boiler 3, etc. I am running Boiler 1 to max, then Boiler 2 to supplement with Boiler 1 still at max etc.

I attach the Boiler run hours. All boilers are of different sizes.

Can anyone explain what is going on? i expect more run hours. I am matching monthly loads fairly well.

John R Aulbach
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