HomeMy WebLinkAbout15971.pdf BICKFORD OF CARMEL, IN 12/12/2012
ELECTRIC/ELECTRONIC CONTROL SYSTEMS 15971-1
SECTION 15971
ELECTRIC/ELECTRONIC CONTROL SYSTEMS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary
Conditions, Division 1 Specification sections and Division 26 Specification sections apply
to work of this section.
1.2 SUMMARY
A. The work under this Section shall include furnishing and installing all materials required
for the complete installation of an automatic temperature control system, which shall
consist of all thermostats, sensors, valves, operators, and other accessory equipment as
necessary to fill the intent of the Specifications.
B. Temperature control system shall be a complete electronic microprocessor based direct
digital control system as specified herein.
C. The direct digital control system shall monitor and control all equipment described in the
Sequence of Operation.
1.3 QUALITY ASSURANCE
A. Electrical Standards
Provide electrical products which have been tested, listed and labeled by UL and comply
with NEMA standards.
B. NEMA Compliance
Comply with NEMA standards pertaining to components and devices for electric control
systems.
C. NFPA Compliance
Comply with NFPA 90A "Standard for the Installation of Air Conditioning and Ventilating
Systems" where applicable to controls and control sequences.
D. UL Compliance
Comply with UL Standards for control equipment.
1.4 SUBMITTALS
A. Product Data
Submit manufacturer's technical data, wiring diagrams, capacities, pressure drops,
performance characteristics, dimensions and finishes.
B. Shop Drawings
1. Submit shop drawings for each electric/electronic control system, containing the
following information:
2. Indicate all required wiring. Clearly differentiate between portions of wiring that
are factory-installed and portions to be field-installed.
BICKFORD OF CARMEL, IN 12/12/2012
ELECTRIC/ELECTRONIC CONTROL SYSTEMS 15971-2
3. Include written description of sequence of operation.
1.5 ACCEPTANCE PROCEDURE
A. Data relevant to the application programs, Central Operator’s Station, Distributed Control
Panels, field sensors, peripheral devices and other pertinent information for the Operating
System and data base shall be forwarded from the Contractor to the Owner’s authorized
Representative and Architect / Engineer.
B. The Temperature Control Contractor shall perform the initial input of all required
operational data for each point that is to be used based on the information provided in the
Sequence of Operation.
C. Upon successful completion of System Data Base generation and commissioning of the
entire system for on-line operation, the Contractor and Owner’s Representative shall
inspect, verify and approve the satisfactory operation of the system.
1.6 GUARANTEE
A. All components, parts and assemblies shall be guaranteed against defects in material
and workmanship for a period of one (1) year after final acceptance. Expressed
warranties are conditionally based on the requirement that the items covered within the
guarantee are used and maintained in accordance with the Manufacturer’s
recommendations.
B. Guarantee commences at time of acceptance and continues for the indicated duration.
The date of completion of the work is the date when construction is complete in
accordance with the Contract Documents, so the Owner may engage the facility in the
use for which it is intended.
C. Normal maintenance of the system or adjustments of components after acceptance of
system is not to be considered a part of the guarantee.
D. The following procedures shall govern the guarantee period. Within thirty (30) days after
the Owner is receiving beneficial use of approved operation, the Contractor shall initiate
the guarantee period for the systems and devices accepted.
PART 2 – PRODUCTS
2.1 ACCEPTABLE MANUFACTURERS:
A. Available Manufacturers: Submit to compliance with requirements, manufacturers
offering control systems that may be incorporated in the work include, but are not limited
to, the following:
Andover Controls Co. MCC Powers
Barber Colman Co. Robert Shaw
Honeywell Staefa, Inc.
Johnson Controls
2.2 MATERIALS AND EQUIPMENT
A. General:
1. Provide electric/electronic control products as required for complete installation.
BICKFORD OF CARMEL, IN 12/12/2012
ELECTRIC/ELECTRONIC CONTROL SYSTEMS 15971-3
2. Provide control products consisting of dampers, thermostats, clocks, sensors,
controllers, and other components as required for complete installation. Except
as otherwise indicated, provide manufacturer’s standard control system
components as indicated by published product information, designed and
constructed as recommended by manufacturer.
B. Dampers: Provide parallel blade automatic control dampers as indicated, with damper
frames not less than formed 13-ga galvanized steel, and dampers with nylon bearings.
Provide mounting holes for enclosed cut mounting. Provide damper blades not less than
formed 16-ga galvanized steel, with maximum blade width of 6”. Equip dampers with
motors/actuators, with proper rating for each application. Provide jack shafts for dampers
over 48-inches wide. Provide parallel blade low leakage type design (as selected by
manufacturer’s sizing techniques) with inflatable seal blade edging, or replaceable rubber
seals, rated for leakage at less than 12 CFM/sq. ft. of damper area, at differential
pressure of 4” w.q. when damper is being held by torque of 50 inch-pounds.
C. Damper Motors/Actuators: Size each to operate dampers or valves with sufficient
reserve power to provide smooth modulating action or 2-position action as indicated.
Outdoor air and relief air dampers shall have spring return actuators. Electric/Electronic
operators shall move the valve and damper positions from full open to full closed in 20
seconds.
D. Thermostats: Provide thermostats with lockable cover, adjustment devices and dead
band. Provide sub-base and programmable room thermostat when required by control
sequences. See control sequence and drawings for thermostats provided with
equipment.
E. Relays and Switches: Relays, selector switches and gradual switches shall be industry
standard grade equipment suitable for commercial temperature control work.
F. Control Wiring: Low voltage wiring (50 volts and less) shall be No. 18 AWG insulated
copper conductors minimum. Line voltage wiring (90 volts and higher) shall be No. 12
AWG copper, 600 volt, 168F with the insulation. Conductor size and insulation type to be
per NFPA-NEC for distance run and voltage drop encountered. Conduit shall be steel.
PART 3 - EXECUTION
3.1 INSTALLATION OF ELECTRONIC/ELECTRIC CONTROL SYSTEMS:
A. General: Install systems and materials in accordance with manufacturer's instructions
and roughing-in drawings, and details on drawings. Install electrical components and use
electrical products complying with requirements of applicable Division 16 sections of
these specifications. Mount controllers at accessible locations and heights.
B. Control Wiring: The term "control wiring" is defined to include providing of wire, conduit
and miscellaneous materials as required for mounting and connecting electric/electronic
control devices.
C. Control Wiring Installation: Include all low voltage wiring (50 volts and less) required for
temperature control systems. Run all lines in separate conduit from power wiring, except
control wiring from starters may be run in same conduit as power wiring. Include all
power wiring required for a complete temperature control system. Install all control wiring
in conduit. Conductors may be assembled in cable with PVC insulation minimum of
0.016 inches thick. The cable outer sheeting shall be standard with manufacturer.
BICKFORD OF CARMEL, IN 12/12/2012
ELECTRIC/ELECTRONIC CONTROL SYSTEMS 15971-4
D. Installation of Switches and Relays: Provide all switches, relays and similar devices
specified herein or required, and identify each by means of a plate made of plastic or
black anodized aluminum suitably engraved. Provide for all piping, wall and duct
openings and inserts required for proper installation.
E. Room Thermostat Installation: Locate thermostat where shown on drawings. Mount at
5'-0" above finished floor.
F. Installation of Dampers and Accessories: Provide all dampers specified in this section,
and provide all wells, receptacles and openings required for thermostatic bulbs and
sensing elements in piping, ductwork, and equipment enclosures.
3.2 ADJUSTING AND CLEANING:
A. Start-Up: Start-up, test, and adjust control systems. Demonstrate compliance with
requirements. Replace damaged or malfunctioning controls and equipment at no
additional cost to the Owner.
B. Final Adjustment: After completion of installation, adjust thermostats and similar
equipment provided as work of this section. Final adjustments shall be performed by a
factory authorized service representative.
3.3 CLOSEOUT PROCEDURES:
A. Owner's Instructions: Provide services of manufacturer's technical representative for one
4-hour day to instruct Owner's personnel in operation and maintenance of control
systems.
B. Schedule instruction with Owner, provide at least 7-day notice to Contractor and Owner
of training date.
END OF SECTION