Asco 335 Installation & Operation Manual Download

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IO-70065

01/2020

ASCO 335 Surge Protective Device (SPD)

Operation

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Apply appropriate personal protective equipment (PPE) and follow safe

electrical work practices. See NFPA 70E, NOM-029-STPS or CSA Z462.

•

This equipment must only be installed and serviced by qualified

electrical personnel.

•

Turn off all power supplying this equipment before working on or inside

equipment.

•

Always use a properly rated voltage sensing device to confirm power is

off.

• Replace all devices, doors and covers before turning on power to this

equipment.

•

This equipment must be effectively grounded per all applicable codes.

Use an equipment-grounding conductor to connect this equipment to the

power system ground.

Failure to follow these instructions will result in death or serious injury.

DANGER

LED Status Indicators

Audible Alarm

Diagnostic LEDs are located on the front of the ASCO 335 SPD device.

They operate as follows:

• Verify that all phase voltages are present. If any of the LEDs are not

illuminated, the device may not be installed correctly. Check the power

supply and service voltage. Upon energizing the SPD, check the LED status.

• If all of the LEDs are illuminated, surge suppression is operating.

• If one or more LEDs are not illuminated, there is a loss of surge

suppression on that phase.

•

If an inoperative condition occurs the device must be replaced by qualified

electrical personnel.

The audible alarm does not have a silence switch. Silence the alarm by

removing power from the SPD. The alarm indicates that the device needs

replacement by qualified electrical personnel.

Light 1

Light 2 Alarm Red Audible Alarm

Corrective Action

Out

Off

Reset Breaker if re-opens

Replace Unit

Green

No action

Out

Green

Blinks

Sounds

Replace Unit

Green

Out

Blinks

Sounds

Replace Unit

Green

Blinks

Sounds

Check Neutral to Ground

Connection before

Replacing Unit

Summary of Contents for 335

Page 1: ...Surge Protective Devices Installation Operation Manual Model 335 ...

Page 2: ... 2020 ASCO Power Technologies All Rights Reserved For access to self service tools and chat support visit se com us en work support or call 1 888 778 2733 for technical assistance 2 IO 70065 01 2020 ...

Page 3: ...udible Noise Mounting Service Clearance Equipment Performance Electrical Voltage Rating Branch Circuit Overcurrent Protection and Disconnect Means Location of Surge Protective Device SPD System Grounding Wiring and Installation Parts List Wiring Connection Specifications Surface Mount Installation Flush Mount Installation Operation LED Status Indicators Audible Alarm Preventive Maintenance 5 6 7 7...

Page 4: ...to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoi...

Page 5: ...cer and DIDP which is known to the State of California to cause birth defects or other reproductive harm For more information go to www P65Warnings ca gov NOTICE LOSS OF BRANCH CIRCUIT POWER LOSS OF SURGE SUPPRESSION Perform periodic inspection of the surge protective device status indicator lights as part of the preventative maintenance schedule Promptly replace the surge protective device when a...

Page 6: ... STPS or CSA Z462 This equipment must only be installed and serviced by qualified electrical personnel Turn off all power supplying this equipment before working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicabl...

Page 7: ...range of 40 F to 185 F 40 C to 85 C with a relative humidity of 0 to 95 non condensing This device has a Type 4X housing The device background noise is negligible and does not restrict the location of the installation The device has been designed to be surface mounted An additional flush mount kit is also available if required KITFMXF The service clearance should meet all applicable code requireme...

Page 8: ...econdary windings of the transformer supplying the ser vice entrance main or load are configured This includes whether or not the transformer windings are referenced to earth via a grounding conductor The system configuration is not based on how any specific load or equipment is connected to a particular power distribution system See Table 1 for the service voltage of each SPD Electrical Voltage R...

Page 9: ...uring normal operation is negligible the ASCO 335 device can be connected to a dedicated separate branch circuit or connected to a suitable existing branch circuit When connected to a separate dedicated branch circuit the OCPD setting must be selected to protect the conductors feeding the ASCO 335 device per applicable state and local building codes UL 1449 Type 2 SPDs must be installed on the loa...

Page 10: ...RGE SUPPRESSION Install an insulated grounding conductor inside a metallic raceway when the raceway is used as an additional grounding conductor Size the conductor in accordance with all applicable codes Maintain adequate electrical continuity at all raceway connections Do not use isolating bushings to interrupt a metallic raceway run Do not use a separate isolated ground for the surge protective ...

Page 11: ...securely Note The SPD must be installed in an accessible location not within walls unless surface mounted with the ASCO KITFMXF flush mount kit 4 Install in accordance with national and local electrical codes and match the branch circuit Overcurrent Protection Device OCPD to the wire size 5 Twist conductors 1 2 turn or more for every twelve inches of length 6 Do not loop or coil wires Be sure to m...

Page 12: ...sized knockout from the panel 6 Mount SPD Weather resistant applications require additional sealing etc See figure below 7 Install in accordance with national and local electrical codes and match the branch circuit Overcurrent Protection Device OCPD to the wire size Recommended breaker size is 30 A and wire size 10 AWG 8 Do not loop wires Trim excessive wire length Figure 2 Typical panel Installat...

Page 13: ...e where it will be mounted and trace the center hole and mounting holes Cut this shape into the mounting sur face and mount the XMFMKIT panel to the mounting surface 3 BE CAREFUL TO NOT DROP THE SPD INTO THE WALL 4 Install the SPD to the back side of the Flush Mount Kit plate using the four 8 32 x 5 8 Thread Cutting Screws provided with the XMFMKIT kit 5 Proceed with 6 on page 12 Flush Mount Insta...

Page 14: ...these instructions will result in death or serious injury DANGER LED Status Indicators Audible Alarm Diagnostic LEDs are located on the front of the ASCO 335 SPD device They operate as follows Verify that all phase voltages are present If any of the LEDs are not illuminated the device may not be installed correctly Check the power supply and service voltage Upon energizing the SPD check the LED st...

Page 15: ...serviced by qualified electri cal personnel Turn off all power supplying this equipment before working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicable codes Use an equipment grounding conductor to connect thi...

Page 16: ...nd completeness in this literature Schneider Electric assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions 14550 58th Street North Clearwater Florida 33760 se com us en work support 1 888 778 2733 ...

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