Owner’s
rated 100, 200, & 230 amps , single phase, 240 V ac
Manual
DANGER is used in this manual
to warn of risk of electrical shock
from high voltages capable of
causing shock, burns, or death.
!
WARNING is used in this
manual to warn of possible
personal injury.
!
CAUTIONisusedinthismanualtowarn
of possible equipment damage.
Series 165 Automatic Transfer Switches
for automatic 2–wire start generators
ASCO Series 165 Automatic Transfer Switches are Listed
under the Underwriter’s Laboratories Standard for Transfer
Switch Equipment, UL–1008. They are intended for use
only in optional standby systems in accordance with the
National Electrical Code, NEC/NFPA 70, Article 702. This
ATS is for use with 2–wire automatic start generators only.
Refer to Application Information 381339–219 to confirm
that you have selected the appropriate product for the
intended installation.
Rating Label
Each Automatic Transf er Switch (ATS) has rating labels to
define the loads and fault current withstand/ closi ng ratings.
Refer to those label on the Transfer Switch for specific values.
!
Installation should be performed by a licensed electrician
and in accordance with the National Electrical Code (NEC)
and all local electrical code requirements. Read and
understand all instructions before installing, servicing, or
operating. Failuretodosocouldresultinserious
personal injuries or property damage.
INJURY or SWITCH DAMAGE
Do not exceed the rating label
values; it can cause personal in-
jury or serious switch damage.
Nameplate
The T ransfer Switch
nameplate includes data
for each specific ASCO
Series 165 ATS. Use the
switch only within the
limits shown on this
nameplate. A typical
Catalog Number is also
shown below with its
elements explained:
Catalog number
product
designation
neutral
A=solidneutral
165 A 2 200 F 3 C
poles
2=2lines
ampere rating
100, 200, or 230 amps
Series
165
Automatic Transfer Switch
for use on Standby Systems
Cat No 165A2200F3C
Ser No 123456
200 A BOM 999999
240 V 60 Hz
enclosure
C=Type1
F=Type3R
control group code
3 = automatic
voltage code
F = 240 V AC
50 Hanover Road, Florham Park, New Jersey 07932–1591 USA
1 800 937–2726 (ASCO), for service call 1 800 800–2726 (ASCO) www.asco.com
ASCO POWER TECHNOLOGIES CANADA PO Box 1238, 17 Airport Road, Brantford, Ontario, Canada N3T 5T3
telephone 519 758–8450, fax 519 758–0876, for service call 1 888 234–2726 (ASCO) www.asco.ca
381333–163 C
TABLE OF CONTENTS
Specifications 3.....................................
Introduction 3......................................
Installation 4.......................................
Electrical Line Connections 4.........................
Cable Spacers (200 amp. unit) 4......................
Cable Connections 4................................
Generator Starting Contacts 4........................
Functional Test (after installation) 5....................
Operation 6........................................
load power
connections
alternate source
(generator)
power
connections
neutral
terminal
Indicator Lights 6...................................
Push Buttons 6.....................................
Utility Failure 6......................................
Automatic Generator Exerciser 7......................
Manual Generator Testing 7..........................
Generator Test with Load Transfer 7...................
Generator Test without Load Transfer 7................
Troubleshooting 8...................................
digital controller
with control display
maintenance
handle next to
wheel weight
(see DANGER
under Manual
Operation)
ground
terminal
transfer switch
cable spacers
preferred
source
(utility) power
connections
Series 165 Automatic Transfer Switch in Type 1 enclosure (cover removed)
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SPECIFICATIONS
ENCLOSED AUTOMATIC TRANSFER SWITCH
Enclosure Size
Type 1 24” H x 14¼” W x 8” D..................
(610 mm H x 362 mm W x 203 mm D)
Type 3R 25” H x 14¾” W x 8½” D...............
(635 mm H x 375 mm W x 216 mm D)
Weight Type 1 enclosure 67 lb......................
Type 3 R e n c l o s ure 82 l b.....................
Tem pe r a t u r e
Operating –4˚ F to +122˚ F(–20˚ Cto+50˚ C)...
Storage –67˚ F to +149˚ F(–55˚ Cto+65˚ C)....
TRANSFER SWITCH
Poles 2............................................
Voltage (nominal) 220–240 V ac single phase..........
Frequency (nominal) 60 Hz...........................
Current (depending upon the unit) 100, 200, or 230 a mps
Withstand / Close–On Current 10,000 amps............
RMS Symmetrical amps 240 V ac max.
for any circuit breaker, manufacturer, or Type
per National Electrical Code, NEC/NFPA 70
100 amp. Transfer Switch power terminals accept wire sizes
one #14 to 4/0 AWG AL or CU
200 amp. Transfer Switch power terminals accept wire sizes
one #14 to 4/0 AWG CU (copper only)
230 amp. Transfer Switch power terminals accept wire sizes
one #14 to 4/0 AWG CU (copper only)
CONTROLLER
Voltage (nominal) 220–240 V ac......................
Pickup (source acceptable) 204 V ac............
Dropout (source unacceptable) 180 V ac........
Frequency (nominal) alternate (generator) source 60 Hz.
Pickup (source acceptable) 57 Hz...............
Dropout (source unacceptable) 54 Hz...........
Generator control contacts
Start / Stop spdt 5 A max / 300 mA min at 30 V dc max.
terminals accept #22 to #14 AWG
stranded copper wire per terminal
Time Delays
Ignore preferred (utility) source outages 3 sec.........
Ignore alternate (generator) source outages 15 sec.....
Load transfer to alternate (generator) source 15 sec....
Load retransfer to preferred (utility) source 5 min.......
Generator cooldown period (after load retransfer) 1 min.
Automatic Generator Exerciser
Repeat time every 14 days......................
Duration 20 minutes...........................
INTRODUCTION
INTRODUCTION
ASCO Series 165 Automatic Transfer Switches are Listed
under the Underwriter’s Laboratories Standard for Transfer
Switch Equipment, UL–1008. They are intended for use only
in optionalstandby systems in accordance with the National
Electrical Code, NEC/NFPA 70, Article 702.
This automatic transfer switch is intended for standby power
applications in residential or light commercial use only .
!
The Series 165 Automatic Transfer
Switch is not for emergency or
life–support systems.
This product is not intended for emergency or
life–support systems.
If you have more stringent application requirements contact
ASCO for other products suitable for critical applications.
The automatic transfer switch helps provide safe
connection of the alternate source (generator) to the
electrical load after disconnecting the preferred source
(utility). It contains a double–throw, electromechanical
switching device for inherent isolation of the preferred and
alternate sources. This isolation prevents the danger of
connecting the utility to the generator which could cause
damage or personal injury. The automatic transfer switch’s
digital controller provides continuous monitoring of both
power sources and a start/stop signal to the generator.
3