final bid specs 09328.pdf - Freese and Nichols, Inc.

B. IEC or dual rated NEMA/IEC equipment shall not be acceptable.
C. CONTROL RELAYS: Industrial type; contacts rated for 10 amps at 600 VAC; Square D
Class 8501 Type X, Allen-Bradley Bulletin 700 type PK, or approved equal. Relays shall
have the capability of having contact decks added in the field. Contacts shall be field convertible
to normally open or normally closed. Coils and contacts shall each be replaceable
without replacing any other part of the relay. Where control relays are indicated on the Plans,
industrial control relays shall be furnished whether the relay coil is operated with 120 VAC or
24 VDC.
D. ELAPSED TIME METER: Yokogawa Type 240, or approved equal. The meter shall be of
the non-reset type for totalizing of hours and operating on 120 or 240 VAC, 60 Hertz.
E. INDICATING LIGHTS, SWITCHES AND PUSHBUTTONS: Heavy duty and oil tight, Square
D Class 9001 (30.5 mm) or approved equal. Devices shall match or exceed the rating of the
enclosure. Indicating lights shall be push-to-test (cluster LED type) and shall be Square D
SKT or approved equal.
F. CONTROL TRANSFORMER: Included in combination starter units with sufficient VA capacity
for powering the devices shown in the control schematic; 208 to 120 volt transformer with a
fuse in each primary leg and one (1) fuse in the secondary leg. The unfused secondary leg
shall be grounded.
G. Space heaters, with N.C. auxiliary contacts, to mitigate condensation in Type 4X enclosures
installed outdoors or in unconditioned interior spaces subject to humidity and temperature
swings. Space heaters shall be thermostatically controlled and be power from internal power
inside the enclosure.
3.00 EXECUTION
3.01 EXAMINATION
A. Examine areas and surfaces to receive enclosed controllers, with Installer present, for compliance
with requirements and other conditions affecting performance of the Work.
B. Examine enclosed controllers before installation. Reject enclosed controllers that are wet,
moisture damaged, or mold damaged.
C. Proceed with installation only after unsatisfactory conditions have been corrected.
3.02 INSTALLATION
A. Make electrical connections to equipment specified. Install equipment in accordance with the
Manufacturer's recommendations and the plans. If neither are available, install the equipment
using the best practices of the electrical industry and trade.
B. Wall-Mounted Controllers: Install enclosed controllers on walls with tops at uniform height
unless otherwise indicated, and by bolting units to wall or mounting on lightweight structuralsteel
channels bolted to wall. For controllers not at walls, provide freestanding racks complying
with Division 26 Section "Hangers and Supports for Electrical Systems."
C. Temporary Lifting Provisions: Remove temporary lifting eyes, channels, and brackets and
temporary blocking of moving parts from enclosures and components.
Enclosed Controllers 26 29 13 - 7
DRP09328