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MD ANDERSON Project No. XX-XXXX

MD ANDERSON PROJECT NAME

A/E Name

Issue Description

A/E Project No.

Month, 00, 0000

10.

All penetrations through AHU walls shall be thoroughly sealed to ensure no leakage. All UV susceptible materials in the AHU shall be shielded from line of sight UV.  Installer shall remove all foreign matter such as dirt and metal shavings upon completion of installation.

2.09

sound characteristics

A.

Conduct sound tests at the unit manufacturer’s test facility under AMCA Guidelines and Conditions.

B.

Provide sound power level test procedures and data for each unit under scheduled operating pressures.

2.10

fan ARRAY Component Panel requirements

A.

The AHU component panel shall be designed and constructed to meet the functional intent as follows:

1.

COMPONENT PANEL FUNCTIONAL INTENT

a.

The component panel functional intent is manual operation of the fan array which is independent from the building automation system and automated control for the VFD by the building automation system.  The component panel shall provide all life safety, HVAC equipment safeties, and AHU shutdown interlocks wired to termination blocks. The component panel shall be designed using only ladder logic hard wired methods and shall not execute any programmed logic specified in the sequence of operation which cannot be submitted in a ladder wiring diagram. The component panel shall provide low voltage power requirements and all relevant inputs and outputs necessary for the building automation system to execute the specified sequence of operation.

b.

Coordinate component panel design with Division 25 and Division 28. Submit best design for owner approval prior to construction of component panel. Laminate final approved as-built ladder wiring diagram and mount inside component panel door.

2.

COMPONENT PANEL (Rated for up to 150 VAC)

a.

The component panel shall be a separate enclosure rated as required to separate the control functions from high voltage components such as overloads, contactors, and inverters.

b.

Compliance with all applicable codes and regulations.

c.

Microprocessor, DDC (direct digital control), or PLC (programmable logical controller) shall not be utilized.

d.

Plug in pin relays with status LED shall be provided.

e.

Panduit or approved equivalent shall be utilized for panel wiring.

f.

Provide contacts at terminal strip for BAS to enable/disable each fan array.

g.

Provide dry contacts at terminal strip for BAS to monitor damper open and closed positions.

The University of Texas

CUSTOM AIR HANDLING UNITS WITH FAN ARRAY SYSTEMS

MD Anderson Cancer Center

23 73 24

MS041113

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