---
title: Discontinued Technical Spec's
description: This section provides detailed technical specifications for parts and equipment that have become obsolete or are now considered outdated.
---
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2. [Obsolete Parts](https://helpcenter.unicosystem.com/knowledge/obsolete-parts?hsLang=en)
3. [Discontinued Parts Bulletins](https://helpcenter.unicosystem.com/knowledge/obsolete-parts?hsLang=en#discontinued-parts-bulletins)
# Discontinued Technical Spec's
## This section provides detailed technical specifications for parts and equipment that have become obsolete or are now considered outdated.
[Blower / Coil Units](https://helpcenter.unicosystem.com/knowledge/discontinued-technical-specs#blower_coil)
[UniChiller](https://helpcenter.unicosystem.com/knowledge/discontinued-technical-specs#unichiller)
[iSeries](https://helpcenter.unicosystem.com/knowledge/discontinued-technical-specs#iseries)
[Control Boards / Parts & Pieces](https://helpcenter.unicosystem.com/knowledge/discontinued-technical-specs#control_board)
### Blower / Coil Units
| **Bulletin Number** | **Title** | **Date Published** |
| --- | --- | --- |
| Bulletin 20-018 | Fan Coils Specification (M1218) | March 2011 |
| Bulletin 30-010 | U1218 Installation | November 2010 |
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---
### UniChiller
| **Bulletin Number** | **Title** | **Date Published** |
| --- | --- | --- |
| Bulletin 20-030 | UniChiller Specifications | December 2012 |
| Bulletin 20-086 | Low Ambient Control Kit (UniChiller) | September 2008 |
| Bulletin 20-088 | Inline Water Flowmeter | May 2012 |
| Bulletin 30-032 | UniChillerRC Installation | January 201 |
| Bulletin 30-101 | UniChiller Service Report Form | April 2006 |
[Back to top](https://helpcenter.unicosystem.com/knowledge/discontinued-technical-specs#back_to_top)
---
### iSeries
| **Bulletin Number** | **Title** | **Date Published** |
| --- | --- | --- |
| Bulletin 20-121 | iSeries Specifications | October 2014 |
| Bulletin 20-131 | iSeries Vertical AHU Engineering Specifications | September 2017 |
| Bulletin 30-103 | iSeries Commissioning Report & Warranty Registration | March 2015 |
| Bulletin 30-121 | iSeries Installation Checklist (BW) | March 2017 |
| Bulletin 30-121 | iSeries Outdoor Unit Installation Instructions | August 2020 |
| Bulletin 30-122 | iSeries Indoor Unit Installation Instructions | April 2014 |
| Bulletin 30-123 | iSeries Operation Manual | May 2014 |
| Bulletin 30-127 | iSeries Serial Programming & Diagnostics Manual | February 2017 |
| Bulletin 30-130 | iSeries FPL Operating Manual | March 2017 |
| TechNote 130 | TechNote 130 | August 2015 |
| TechNote 134 | TechNote 134 | February 2016 |
[Back to top](https://helpcenter.unicosystem.com/knowledge/discontinued-technical-specs#back_to_top)
---
### Control Board / Parts & Pieces
| Bulletin Number | Title | Date Published |
| --- | --- | --- |
| Bulletin 30-038 | Advanced Control Board Installation Instructions | June 2010 |
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- [Blower Modules (1 - 5 ton)](https://helpcenter.unicosystem.com/knowledge/drawings-submittals?hsLang=en#blower-modules-1-5-ton)
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