Copyright 2015 ARCOM
SpecText, Outline
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
When needed to clarify Project scope, describe where products are used in the SUMMARY Article or
schedule the locations following END OF SECTION.
SUMMARY
A.
1.2
Section Includes: Transfer switches in individual enclosures.
SUBMITTALS
PL
1.1
E
PART 1 - GENERAL
Only include submittals that affect Project cost or schedule.
Delegated Design Submittals: [Required] [Not required].
B.
Source Quality-Control Submittals: [Required] [Not required].
C.
Results of [Shop] [Factory] Tests and Inspections: [Required] [Not required].
D.
Field Quality-Control Submittals: [Required] [Not required].
M
A.
SA
PART 2 - PRODUCTS
2.1
AUTOMATIC TRANSFER SWITCH
A.
Description: NEMA ICS 10, automatic transfer switch [suitable for use as service equipment].
B.
Configuration: Electrically operated, mechanically held transfer switch.
C.
Interrupting Capacity: <________> percent of continuous rating.
D.
Withstand Current Rating: <________> rms symmetrical amperes, when used with [Class J
current-limiting fuse] [Class K1 current-limiting fuse] [Class L current-limiting fuse]
[molded-case circuit breaker].
E.
Service Conditions: NEMA ICS 10.
1.
2.
Temperature: <________> degrees F (<________> degrees C).
Altitude: <________> feet (<________> m) above sea level.
MANUAL TRANSFER SWITCHES
263613 - 1
Copyright 2015 ARCOM
Product Features:
2.
3.
4.
5.
6.
7.
8.
Indicating Lights: Mount in cover of enclosure to indicate NORMAL SOURCE
AVAILABLE, ALTERNATE SOURCE AVAILABLE, and switch position.
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: [One] <________> normally open; [one]
<________> normally closed.
Normal Source Monitor: Monitor [each line of] normal source voltage and frequency.
Alternate Source Monitor: Monitor alternate source voltage and frequency.
In-Phase Monitor: Inhibit transfer until source and load are within <________> electrical
degrees.
Switched Neutral: [Overlapping] [Non-overlapping] contacts.
Automatic Sequence of Operation:
1.
Time Delay to Start Alternate Source Engine Generator:
a.
b.
3.
4.
5.
6.
7.
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: Zero to <________> seconds,
adjustable.
Initiate Retransfer Load to Normal Source: Upon permission by normal source monitor.
Time Delay before Transfer to Normal Power: Zero to <________> seconds, adjustable;
bypass time delay in event of alternate source failure.
Time Delay before Engine Shutdown: Zero to <________> minutes, adjustable, of
unloaded operation.
Engine Exerciser: Start engine every <________> days; run for <________> minutes
before shutting down.
Alternate System Exerciser: Transfer load to alternate source during engine-exercising
period.
SA
8.
Upon initiation by normal source monitor.
Zero to <________> seconds, adjustable.
M
2.
E
1.
G.
01/2015
PL
F.
SpecText, Outline
H.
Enclosure:
1.
2.
2.2
Enclosure: ICS 10, Type <________>.
Finish: [Manufacturer's standard gray enamel] <________>.
AUTOMATIC TRANSFER AND BYPASS/ISOLATION SWITCH
A.
Description: NEMA ICS 10, automatic transfer switch with manual bypass switch.
B.
Configuration: Drawout type, electrically operated, mechanically held transfer switch with
manually operated CONNECTED, TEST, and DISCONNECTED drawout positions and with
mechanically operated, mechanically held transfer switch connected to bypass automatic switch
in both NORMAL and EMERGENCY positions.
MANUAL TRANSFER SWITCHES
263613 - 2
Copyright 2015 ARCOM
SpecText, Outline
01/2015
C.
Bypass Switch Ratings: Match automatic transfer switch for electrical ratings.
D.
Interrupting Capacity: <________> percent of continuous rating.
E.
Withstand Current Rating: <________> rms symmetrical amperes, when used with [Class
<________> current-limiting fuse] [molded-case circuit breaker].
F.
Service Conditions: NEMA ICS 10.
1.
2.
2.
3.
4.
5.
6.
7.
8.
H.
Indicating Lights: Mount in cover of enclosure to indicate NORMAL SOURCE
AVAILABLE, ALTERNATE SOURCE AVAILABLE, SWITCH POSITION,
NORMAL BYPASS, and 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: [One] <________> normally open; [one]
<________> normally closed.
Normal Source Monitor: Monitor [each line of] normal source voltage and frequency.
Alternate Source Monitor: Monitor alternate source voltage and frequency.
In-Phase Monitor: Inhibit transfer until source and load are within <________> electrical
degrees.
Switched Neutral: [Overlapping] [Non-overlapping] contacts.
PL
1.
E
Product Features:
M
G.
Temperature: <________> degrees F (<________> degrees C).
Altitude: <________> feet (<________> m) above sea level.
Automatic Sequence of Operation:
1.
SA
2.
Time Delay to Start Alternate Source Engine Generator: Upon initiation by normal
source monitor.
Time Delay to Start Alternate Source Engine Generator: Zero 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: Zero to <________> seconds,
adjustable.
Initiate Retransfer Load to Normal Source: Upon permission by normal source monitor.
Time Delay before Transfer to Normal Power: Zero to <________> seconds, adjustable;
bypass time delay in event of alternate source failure.
Time Delay before Engine Shutdown: Zero to <________> minutes, adjustable, of
unloaded operation.
Engine Exerciser: Start engine every <________> days; run for <________> 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.
3.
4.
5.
6.
7.
8.
9.
I.
Enclosure:
MANUAL TRANSFER SWITCHES
263613 - 3
Copyright 2015 ARCOM
1.
2.
2.3
SpecText, Outline
01/2015
Enclosure: ICS 10, Type <________>.
Finish: [Manufacturer's standard gray enamel] <________>.
MANUAL TRANSFER SWITCH
Description: NEMA ICS 10, manual transfer switch [suitable for use as service equipment].
B.
Configuration: Electrically operated, mechanically held transfer switch.
C.
Sequence of Operation: Switch position selected by control switch mounted [in switch cover]
[remotely].
D.
Service Conditions: NEMA ICS 10.
Product Features:
1.
2.
3.
F.
Indicating Lights: Mount in cover of enclosure to indicate switch position.
Transfer Switch Auxiliary Contacts: [One] <________> normally open; [one]
<________> normally closed.
Switched Neutral: [Overlapping] [Non-overlapping] contacts.
Enclosure:
1.
2.
Enclosure: ICS 10, Type <________>.
Finish: [Manufacturer's standard gray enamel] <________>.
M
E.
Temperature: <________> degrees F (<________> degrees C).
Altitude: <________> feet (<________> m) above sea level.
PL
1.
2.
E
A.
SA
PART 3 - EXECUTION
3.1
INSTALLATION
A.
Install housekeeping pads according to Section [033000] <________>.
B.
Install engraved plastic nameplates according to Section 260553.
3.2
FIELD QUALITY CONTROL
A.
Inspect and test according to NETA ATS, except Section 4.
B.
Perform inspections and tests listed in NETA ATS, Section 7.22.3.
3.3
MAINTENANCE
A.
Provide service and maintenance of transfer switches for [one year] <________> from date of
Substantial Completion.
MANUAL TRANSFER SWITCHES
263613 - 4
Copyright 2015 ARCOM
SpecText, Outline
01/2015
SA
M
PL
E
END OF SECTION 263613
MANUAL TRANSFER SWITCHES
263613 - 5