Copyright 2015 ARCOM
SpecText, Full Length
01/2015
Copyright 2015 by Architectural Computer Services, Inc. (ARCOM).
Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM)
SECTION 263613 - MANUAL TRANSFER SWITCHES
TIPS:
To view non-printing Editor's Notes that provide guidance for editing, click on MasterWorks/Single-File
Formatting/Toggle/Editor's Notes.
E
To read detailed research, technical information about products and materials, and coordination
checklists, click on MasterWorks/Supporting Information.
PL
This Section includes automatic and manual transfer switches and bypass/isolation switches for systems
rated 600 volts and less.
Manufacturers found in SpecAgent for this Section were identified as representative and not as an
endorsement for meeting the requirements of this specification.
This Section includes performance, proprietary, and descriptive type specifications. Edit to avoid
conflicting requirements.
M
This Section includes the term Architect/Engineer. "Architect" is used in AIA contract documents;
"Engineer" is used in EJCDC contract documents. Retain appropriate term.
See the Drawing Coordination Considerations for information needed to coordinate this specification
Section with the Drawings.
SA
PART 1 - GENERAL
1.1
SUMMARY
A.
Section includes transfer switches in individual enclosures.
B.
Related Sections:
List other sections directly affecting work of this section. Include sections specifying information
expected to be found in this section and sections required to describe complete system or assembly
requirements.
1.
2.
3.
4.
5.
Section 033000 - Cast-In-Place Concrete for concrete pads.
Section 260526 - Grounding and Bonding for Electrical Systems.
Section 260529 - Hangers and Supports for Electrical Systems.
Section 260553 - Identification for Electrical Systems.
Section 263213 - Engine Generatorsfor testing requirements.
MANUAL TRANSFER SWITCHES
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1.2
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REFERENCES
List reference standards included within text of this section. Edit the following for Project conditions.
National Electrical Manufacturers Association:
1.
International Electrical Testing Association:
1.
C.
Underwriters Laboratories Inc.:
1.
1.3
NETA ATS - Acceptance Testing Specifications for Electrical Power Distribution
Equipment and Systems.
UL 1008 - Transfer Switch Equipment.
SUBMITTALS
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B.
NEMA ICS 10 - Industrial Control and Systems: AC Transfer Switch Equipment.
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A.
Only request submittals needed to verify compliance with Project requirements.
Section 013300 - Submittal Procedures: Submittal procedures.
B.
Product Data: Submit catalog sheets showing voltage, switch size, ratings and size of switching
and overcurrent protective devices, operating logic, short circuit ratings, dimensions, and
enclosure details.
1.4
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A.
CLOSEOUT SUBMITTALS
Section 017000 - Execution and Closeout Requirements: Closeout procedures.
B.
Project Record Documents: Record actual locations of enclosed transfer switches.
C.
Operation and Maintenance Data: Submit routine preventative maintenance and lubrication
schedule. List special tools, maintenance materials, and replacement parts.
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A.
1.5
QUALIFICATIONS
A.
Manufacturer: Company specializing in manufacturing products specified in this section with
minimum three years [documented] experience [,and with service facilities within [100]
<________> miles of Project].
B.
Supplier: [Authorized] [Franchised] distributor of specified manufacturer with minimum
[three] <________> years [documented] experience.
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1.6
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MAINTENANCE SERVICE
A.
Section 017000 - Execution and Closeout Requirements: Maintenance service.
B.
Furnish service and maintenance of transfer switches for one year from Date of Substantial
Completion.
PART 2 - PRODUCTS
AUTOMATIC TRANSFER SWITCH
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2.1
In this article, list manufacturers acceptable for this Project.
Manufacturers:
1.
2.
<Click link above to find, evaluate, and insert list of manufacturers from
SpecAgent>.
Substitutions: [Section 016000 - Product Requirements] [Not Permitted].
PL
A.
Edit the following descriptive specifications to identify Project requirements and to eliminate conflicts
with manufacturers specified above.
Product Description: NEMA ICS 10, automatic transfer switch [suitable for use as service
equipment].
C.
Configuration: Electrically operated, mechanically held transfer switch.
D.
Rating: State voltage and current rating and number of poles or "as indicated on drawings".
E.
Interrupting Capacity: <________> percent of continuous rating.
F.
Withstand Current Rating: <________> rms symmetrical amperes, when used with [Class [J]
[K1] [L] current limiting fuse] [molded case circuit breaker].
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B.
Use the following paragraph to specify altitude and unusual service conditions. Unusual service
conditions include operation at temperatures above 40 degrees C, altitude above 6600 feet (2000 m),
excessive moisture, steam, excessively corrosive conditions, fungus, insects, vermin, and AC power
supply with non-sinusoidal wave form. Consult NEMA ICS 1 for additional information.
G.
Service Conditions: NEMA ICS 10.
1.
2.
H.
Temperature: <________> degrees F (<________> degrees C).
Altitude: [3,300] [6,600] <________> feet ([1000] [2000] <________> m) above sea
level.
Product Features:
1.
Indicating Lights: Mount in cover of enclosure to indicate NORMAL SOURCE
AVAILABLE, ALTERNATE SOURCE AVAILABLE, switch position.
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4.
5.
6.
7.
8.
Test Switch: Mount in cover of enclosure to simulate failure of normal source.
Return to Normal Switch: Mount in cover of enclosure to initiate manual transfer from
alternate source to normal source.
Transfer Switch Auxiliary Contacts: [1] <________> normally open; [1] <________>
normally closed.
Normal Source Monitor: Monitor [each line of] normal source voltage and frequency;
initiate transfer when voltage drops below [85] <________> percent or frequency varies
more than [3] <________> [percent] [Hertz] from rated nominal value.
Alternate Source Monitor: Monitor alternate source voltage and frequency; inhibit
transfer when voltage is below [85] <________> percent or frequency varies more than
[3] <________> [percent] [Hertz] from rated nominal value.
In-Phase Monitor: Inhibit transfer until source and load are within <________> electrical
degrees.
Switched Neutral: [Overlapping] [Non-Overlapping] contacts.
Automatic Sequence of Operation:
2.
3.
4.
5.
6.
7.
8.
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9.
Initiate Time Delay to Start Alternate Source Engine Generator: Upon initiation by
normal source monitor.
Time Delay To Start Alternate Source Engine Generator: 0 to <________> seconds,
adjustable.
Initiate Transfer Load to Alternate Source: Upon initiation by normal source monitor and
permission by alternate source monitor.
Time Delay Before Transfer to Alternate Power Source: 0 to <________> seconds,
adjustable.
Initiate Retransfer Load to Normal Source: Upon permission by normal source monitor.
Time Delay Before Transfer to Normal Power: 0 to <________> seconds, adjustable;
bypass time delay in event of alternate source failure.
Time Delay Before Engine Shut Down: 0 to <________> minutes, adjustable, of
unloaded operation.
Engine Exerciser: Start engine every [7] [30] <________> days; run for [30]
<________> minutes before shutting down. Bypass exerciser control when normal source
fails during exercising period.
Alternate System Exerciser: Transfer load to alternate source during engine exercising
period.
PL
1.
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I.
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2.
3.
SpecText, Full Length
J.
Enclosure:
1.
2.
2.2
Enclosure: ICS 10, Type [1.] [12.] <____________________.>
Finish: [Manufacturer's standard gray enamel.] <____________________.>
AUTOMATIC TRANSFER AND BYPASS/ISOLATION SWITCH
In this article, list manufacturers acceptable for this Project.
A.
Manufacturers:
1.
2.
<Click link above to find, evaluate, and insert list of manufacturers from
SpecAgent>.
Substitutions: [Section 016000 - Product Requirements] [Not Permitted].
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SpecText, Full Length
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Edit the following descriptive specifications to identify Project requirements and to eliminate conflicts
with manufacturers specified above.
Product Description: NEMA ICS 10, automatic transfer switch with manual bypass switch.
C.
Configuration: Draw-out type electrically-operated, mechanically-held transfer switch with
manually-operated CONNECTED, TEST, AND DISCONNECTED draw-out positions, and
with mechanically-operated, mechanically-held transfer switch connected to bypass automatic
switch in both NORMAL and EMERGENCY positions.
D.
Rating: State voltage and current rating and number of poles of "as indicated on Drawings".
E.
Bypass Switch Ratings: Match automatic transfer switch for electrical ratings.
F.
Interrupting Capacity: <________> percent of continuous rating.
G.
Withstand Current Rating: <________> rms symmetrical amperes, when used with [Class [J]
[K1] [L] current limiting fuse] [molded case circuit breaker].
PL
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B.
Use the following paragraph to specify altitude and unusual service conditions. Unusual service
conditions include operation at temperatures above 40 degrees C, altitude above 6600 feet (2000 m),
excessive moisture, steam, excessively corrosive conditions, fungus, insects, vermin, and AC power
supply with non-sinusoidal wave form. Consult NEMA ICS 1 for additional information.
Service Conditions: NEMA ICS 10.
1.
2.
I.
Temperature: <________> degrees F (<________> degrees C).
Altitude: [3,300] [6,600] <________> feet ([1000] [2000] <________> m) above sea
level.
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H.
Product Features:
Indicating Lights: Mount in cover of enclosure to indicate NORMAL SOURCE
AVAILABLE, ALTERNATE SOURCE AVAILABLE, SWITCH POSITION,
NORMAL BYPASS, ALTERNATE SOURCE BYPASS.
Test Switch: Mount in cover of enclosure to simulate failure of normal source.
Return to Normal Switch: Mount in cover of enclosure to initiate manual transfer from
alternate source to normal source.
Transfer Switch Auxiliary Contacts: [1] <________> normally open; [1] <________>
normally closed.
Normal Source Monitor: Monitor [each line of] normal source voltage and frequency;
initiate transfer when voltage drops below [85] <________> percent or frequency varies
more than [3] <________> [percent] [Hertz] from rated nominal value.
Alternate Source Monitor: Monitor alternate source voltage and frequency; inhibit
transfer when voltage is below [85] <________> percent or frequency varies more than
[3] <________> [percent] [Hertz] from rated nominal value.
In-Phase Monitor: Inhibit transfer until source and load are within <________> electrical
degrees.
Switched Neutral: [Overlapping] [Non-Overlapping] contacts.
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1.
2.
3.
4.
5.
6.
7.
8.
J.
Automatic Sequence of Operation:
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3.
4.
5.
6.
7.
8.
9.
K.
Enclosure:
1.
2.
2.3
Initiate Time Delay to Start Alternate Source Engine Generator: Upon initiation by
normal source monitor.
Time Delay To Start Alternate Source Engine Generator: 0 to <________> seconds,
adjustable.
Initiate Transfer Load to Alternate Source: Upon initiation by normal source monitor and
permission by alternate source monitor.
Time Delay Before Transfer to Alternate Power Source: 0 to <________> seconds,
adjustable.
Initiate Retransfer Load to Normal Source: Upon permission by normal source monitor.
Time Delay Before Transfer to Normal Power: 0 to <________> seconds, adjustable;
bypass time delay in event of alternate source failure.
Time Delay Before Engine Shut Down: 0 to <________> minutes, adjustable, of
unloaded operation.
Engine Exerciser: Start engine every [7] [30] <________> days; run for [30]
<________> minutes before shutting down. Bypass exerciser control when normal source
fails during exercising period.
Alternate System Exerciser: Transfer load to alternate source during engine exercising
period.
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2.
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1.
SpecText, Full Length
Enclosure: ICS 10, Type [1.] [12.] <____________________.>
Finish: [Manufacturer's standard gray enamel.] <____________________.>
MANUAL TRANSFER SWITCH
A.
M
In this article, list manufacturers acceptable for this Project.
Manufacturers:
1.
SA
2.
<Click link above to find, evaluate, and insert list of manufacturers from
SpecAgent>.
Substitutions: [Section 016000 - Product Requirements] [Not Permitted].
Edit the following descriptive specifications to identify Project requirements and to eliminate conflicts
with manufacturers specified above.
B.
Product Description: NEMA ICS 10, manual transfer switch [suitable for use as service
equipment].
C.
Configuration: Electrically-operated, mechanically-held transfer switch.
D.
Sequence of Operation: Switch position is selected by control switch mounted [in switch
cover.] [remotely.]
Use the following paragraph to specify altitude and unusual service conditions. Unusual service
conditions include operation at temperatures above 40 degrees C, altitude above 6600 feet (2000 m),
excessive moisture, steam, excessively corrosive conditions, fungus, insects, vermin, and AC power
supply with non-sinusoidal wave form. Consult NEMA ICS 1 for additional information.
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Service Conditions: NEMA ICS 10.
1.
2.
F.
3.
Indicating Lights: Mount in cover of enclosure to indicate switch position.
Transfer Switch Auxiliary Contacts: [1] <________> normally open; [1] <________>
normally closed.
Switched Neutral: [Overlapping] [Non-Overlapping] contacts.
Enclosure:
Enclosure: ICS 10, Type [1.] [12.] <____________________.>
Finish: [Manufacturer's standard gray enamel.] <____________________.>
PL
1.
2.
2.4
Temperature: <________> degrees F (<________> degrees C).
Altitude: [3,300] [6,600] <________> feet ([1000] [2000] <________> m) above sea
level.
Product Features:
1.
2.
G.
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E.
SpecText, Full Length
SOURCE QUALITY CONTROL
A.
Furnish shop inspection and testing of each transfer switch.
Use one or both of the following paragraphs to require Owner's inspection or witnessing of tests at
factory.
Make completed transfer switch available for inspection at manufacturer's factory prior to
packaging for shipment. Notify Owner at least seven days before inspection is allowed.
C.
Allow witnessing of factory inspections and tests at manufacturer's test facility. Notify Owner at
least seven days before inspections and tests are scheduled.
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B.
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PART 3 - EXECUTION
3.1
EXISTING WORK
A.
Disconnect and remove abandoned transfer switches.
B.
Clean and repair existing transfer switches to remain or to be reinstalled.
3.2
INSTALLATION
A.
Install housekeeping pads in accordance with Section [033000] <________>.
B.
Install engraved plastic nameplates in accordance with Section 260553.
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FIELD QUALITY CONTROL
A.
Section [014000 - Quality Requirements] [017000 - Execution and Closeout Requirements]:
Field inspecting, testing, adjusting, and balancing.
NETA ATS refers to specific ANSI standards and includes procedures and acceptable values for
acceptance testing electrical equipment in accordance with those standards.
Section 4 of NETA ATS stipulates division of responsibility possibly conflicting with conditions of the
contract or general requirements.
Inspect and test in accordance with NETA ATS, except Section 4.
C.
Perform inspections and tests listed in NETA ATS, Section 7.22.3.
MANUFACTURER'S FIELD SERVICES
PL
3.4
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B.
A.
Section 014000 - Quality Requirements: Manufacturers' field services.
B.
Check out transfer switch connections and operations and place in service.
3.5
ADJUSTING
Section 017000 - Execution and Closeout Requirements: Testing, adjusting, and balancing.
B.
Adjust control and sensing devices to achieve specified sequence of operation.
3.6
M
A.
DEMONSTRATION AND TRAINING
Demonstrate operation of transfer switch in [bypass,] normal, and emergency modes.
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A.
END OF SECTION 263613
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