SECTION 16445

PEAK LOAD CONTROLLERS

PART 1 GENERAL

SECTION INCLUDES

Peak load controller.

RELATED SECTIONS

Section 16480 - Motor Control Systems.

Section 16485 - Contactors.

REFERENCES

NEMA ICS 2 - Standards for Industrial Control Devices, Controllers, and Assemblies.

NFPA 70 - National Electrical Code.

SUBMITTALS

Submit under provisions of Section [01300] [_____].

Product Data: Provide input circuit characteristic and range, demand limit and interval setting values, number of control steps, output contact ratings, cabinet sizes, and finishes.

Manufacturer's Instructions:	Indicate application conditions and limitations of use stipulated by Product testing agency specified under Regulatory Requirements. Include instructions for storage, handling, protection, examination, preparation, installation, and starting of Product.

Manufacturer's Certificate: Certify that Products meet or exceed specified requirements.

OPERATION AND MAINTENANCE DATA

Submit under provisions of Section [01700] [_____].

Operation Data: Include instructions for setting controller interval and limits.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing Products specified in this Section with minimum [three] [_____] years [documented] experience.

REGULATORY REQUIREMENTS

Conform to requirements of NFPA 70.

Furnish products listed and classified by [UL] [testing firm acceptable to authority having jurisdiction] as suitable for purpose specified and shown.

FIELD MEASUREMENTS

Verify that field measurements are as [indicated [on shop drawings]] [instructed by manufacturer].

PART 2 PRODUCTS

MANUFACTURERS

[_________________________________ Model [_________].

[________________________________] Model [_________].

[________________________________] Model [_________].

Substitutions: Under provisions of Section [01600] [_____].

PEAK LOAD CONTROLLER

Description:	Electronic load controller with adjustable demand limit, shed times, and restore times.

Demand Interval:	[5 minute.] [15 minute.] [30 minute.] [1 hour.] [________.] [Adjustable.]

Load Shedding Steps: [2] [4] [8] [___].

Input: [[4-20 mA] [0-10 VDC] [_______] signal proportional to load current.] [[Utility meter pulse,] [Customer meter pulse,] [1] [___] kW per pulse.]

Output Contacts:	NEMA ICS 2, Form A, [____] each rated [A150.] [____.]

Time of Day Control:	Include 24 hour time of day controller, with [one] [two] [____] daily programmable schedules, [automatic leap year adjustment,] and resolution to [1] [15] [___] minutes.

Include battery back-up to maintain program memory and time settings during power loss.

Include power loss and over-demand alarm contacts for remote alarm connection.

Enclosure:	NEMA ICS 2; Type [1] [___].

Mounting Provisions: [Surface.] [Recessed.] [Rack.]

ACCESSORIES

Current Transformer:	[Window] [Split-core] type, [____]/5A ratio, burden compatible with converter unit. Opening size adequate to enclose [[____] conductors sized [____] [AWG] [MCM] each.] [[_____] bus bars sized [________.]]

Converter Unit: Accept input from [one] [three] current transformers and provide proportional output signal suitable for input to controller unit. Provide unit in enclosure to NEMA ICS 6, type [1.] [__.]

PART 3 EXECUTION

INSTALLATION

Install in accordance with manufacturer's instructions.

Mount peak load controller plumb[, with top at [72] [___] inches ([1.8] [____] M)].

INTERFACE WITH OTHER PRODUCTS

Connect output circuits to load control devices [as indicated] [as scheduled].

Connect demand sensing circuit to [[utility's] [Owner's] demand-indicating pulse device] [______________________], [as indicated.] [as scheduled.]

ADJUSTING

Adjust work under provisions of Section [01650.] [01660.]

Adjust demand interval [as directed.] [as indicated.] [to match utility metering demand interval.]

Adjust load shedding points [as directed.] [as indicated.]

DEMONSTRATION

Provide systems demonstration under provisions of Section [01670] [______].

Demonstrate controller operation and provide [[two] [___] hours of] instruction [with manufacturer's field service personnel].

Describe function, operation, and maintenance of each component.

LOAD SHEDDING SCHEDULE

SHEDDING

STEP	SETPOINT	LOAD SHED

1	125 kW	Electric Hot Water Heater HWH-1

2	135 kW	Electric Hot Water Heater HWH-2

3	145 kW	Fans AH-1, AH-2, AH-3

4	150 kW	Refrigeration Compressor AC-1

END OF SECTION