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INDIAN RIVER COUNTY JULY 25, 2014 INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS B. Training shall be video taped by a licensed videographer. One DVD copy shall be provided to the owner agent. 1.12 MAINTENANCE SERVICE A. Section 01 — Execution and Closeout Requirements: Maintenance service. B. Furnish service and maintenance of variable frequency controller for one year from Date of Substantial Completion. PART 2 - PRODUCTS 2.1 VARIABLE FREQUENCY CONTROLLER A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: 1. ABB. 2. Danfoss Inc.; Danfoss Drives Division (Labeled Drives Manufactured by Danfoss Inc. also Permitted) 3. Siemens Energy & Automation, Inc. 4. Square D; a brand of Schneider Electric. 5. Yaskawa Electric America, Inc; Drives Division 2.2 VARIABLE FREQUENCY CONTROLLER A. The VFD package as specified herein shall be enclosed in a UL Listed Type enclosure, exceeding NEMA enclosure design criteria (enclosures with only NEMA ratings are not acceptable), completely assembled and tested by the manufacturer in an ISO9001 facility. The VFD tolerated voltage window shall allow the VFD to operate from a line of +30% nominal, and - 35% nominal voltage as a minimum. 1. Environmental operating conditions: VFDs shall be capable of continuous operation at 0 to 500 C (32 to 1220 F) ambient temperature as per VFD manufacturers documented/submittal data or VFD must be oversized to meet these temperature requirements. Not acceptable are VFD's that can only operate at 40° C intermittently (average during a 24 hour period) and therefore must be oversized. Altitude 0 to 3300 feet above sea level, less than 95% humidity, non -condensing. All circuit boards shall have conformal coating. B. All VFDs shall have the following standard features: All VFDs shall have the same customer interface, including digital display, and keypad, regardless of horsepower rating. The keypad shall be removable, capable of remote mounting and allow for uploading and downloading of parameter settings as an aid for start-up of multiple VFDs. 2. The keypad shall include Hand -Off -Auto selections and manual speed control. The drive shall incorporate "bumpless transfer" of speed reference when switching between "Hand" and "Auto" modes. There shall be fault reset and "Help" buttons on the keypad. The Help button shall include "on-line" assistance for programming and troubleshooting. 3. There shall be a built-in time clock in the VFD keypad. The clock shall have a battery backup with 10 years minimum life span. The clock shall be used to date and time stamp faults and record operating parameters at the time of fault. If the battery fails, the VFD shall automatically revert to hours of operation since initial power up. Capacitor back-up is not acceptable. The clock shall also be programmable to control start/stop functions, VARIABLE FREQUENCY MOTOR CONTROLLERS 230514 - 4