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Disclaimer: These are sample drawings and sequences. Designers are responsible for

finalizing the content for their particular projects.

SECTION 23 09 00 – BUILDING AUTOMATION SYSTEM AND CONTROL FOR HVAC

This is supplemental language for a spec. This is not an all inclusive spec. This is

language that is meant to be copied and pasted into an existing spec.

This is verbiage for inserting a Siemens BT300 VFD spec into a BAS section. This can be

used in lieu of other VFD specs.

PART 1 - GENERAL

PART 2 - PRODUCTS

2.1 VARIABLE FREQUENCY DRIVES

A. Manufacturers

1. The drive shall be designed specifically for variable torque applications from one

of the following manufacturers:

a. Siemens BT300 Series or approved equal.

B. Provide Variable Frequency Drives (VFD) consisting of a pulse width modulated

(PWM) inverter designed for use on a standard TYPE Design B induction motor.

C. The drive manufacturer shall supply the AC drives and all necessary controls as herein

specified. The manufacturer shall have been engaged in the production of this type of

equipment for a minimum of fifteen years.

D. The Variable Frequency Drives (VFDs) shall be solid state, with a Pulse Width

Modulated (PWM) output. The VFD package as specified herein shall be enclosed in a

TYPE1 enclosure, completely assembled and tested by the manufacturer. The VFD

shall employ a full wave rectifier (to prevent input line notching), capacitors, and

Insulated Gate Bipolar Transistors (IGBT’s) as the output-switching device. The drive

efficiency shall be 97% or better at full speed and full load. Displacement power factor

shall be no less than 0.98 at all speeds and loads.

E. All VFD provided shall have the following:

1. Input voltage 208-240, 380-480 +/- 10% of the nominal voltage.

2. VFDs shall be capable of continuous full load operation under the following

conditions

a. Voltage tolerance + or – 10% of specified line voltage.

b. Output Frequency 0 to 150 Hz. Operation above 60 Hz shall require

programming changes to prevent inadvertent high-speed operation.

Summary of content (9 pages)

PAGE 1
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. SECTION 23 09 00 – BUILDING AUTOMATION SYSTEM AND CONTROL FOR HVAC This is supplemental language for a spec. This is not an all inclusive spec. This is language that is meant to be copied and pasted into an existing spec. This is verbiage for inserting a Siemens BT300 VFD spec into a BAS section. This can be used in lieu of other VFD specs.
PAGE 2
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. F. ° C, 0 to 1000 m c. Environmental operating conditions: 0 to 40 sea level, less than 95% humidity, non-condensing. d. Enclosure shall be rated UL Type enclosures or as specifically mentioned elsewhere. All VFDs shall have the following standard features: 1.
PAGE 3
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. monitored and view via the keypad. All parameters viewed from the list below shall be capable of being displayed at all times. The display shall be in complete English words (alpha-numeric codes are not acceptable). a. Output Frequency Motor Speed (RPM, %, or Eng units) b. Motor Current Calculated Motor Torque c. Calculated Motor Power (kW) DC Bus Voltage d.
PAGE 4
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. point sources, a sleep mode function, PID set point boost and a feed forward function to improve process response. G. 18. Run permissive circuit shall be included for damper or valve control. 19. The customer terminal strip shall be isolated from the line and ground. 20. The drive shall employ current limit circuits to provide trip free operation: a.
PAGE 5
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. communications bus. A sleep mode shall be included in the PID functions. This feature shall allow the motor to be stopped when at minimum speed for a user defined period, for additional energy savings. 3. Two (2) programmable analog inputs shall accept a current or voltage. 4. Analog inputs shall include a filter to remove any oscillation in the input signal.
PAGE 6
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. H. I. 16. The VFD shall include a fireman’s override input. 17. All VFDs shall include EMI/RFI filters. The filters shall allow the VFD assembly to be CE marked and meet product standard EN 61800-3 for the First Environment restricted level (Category C2). 18.
PAGE 7
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. Modbus TCP, Johnson Controls N2 and Siemens Industry Inc, Building Technologies Division P1 (FLN) protocol, Johnson Controls Inc. N2 Metasys protocol. There shall be an optional LON (LONMARK) interface. 2. J.
PAGE 8
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. 3. K. Qualifications: a. VFDs and options shall be UL508 and cUL listed as a complete assembly. The base VFD shall be UL listed for 100 kA SCCR. b. The base VFD shall conform to the European Union Electromagnetic Compatibility directive and CE requirement. The VFD shall meet EN 61800-3 for the First Environment restricted level (Category C2). c.
PAGE 9
Disclaimer: These are sample drawings and sequences. Designers are responsible for finalizing the content for their particular projects. a. Regardless of the contracted warranty on the project, submit to the Owner an additional warranty on the drive. b. Warranty shall be 24 months from the date of start-up (with certified startup).