ASCO 300 Installation Manual
SERIES 300
Dual Purpose Quick Connect Power Panels
800 – 4000 amp Pad Mount
Installation Manual
381333-488
2/2021
SERIES 300 Quick Connect Power Panel Installation Manual
Table of Contents
Limited Warranty ...................................................................................................................................................... 3
Maintenance ............................................................................................................................................................. 3
Technical Support ..................................................................................................................................................... 3
Prior to Installation ................................................................................................................................................... 4
Shipment: Unpacking and Inspection ................................................................................................................ 4
Initial Installation ....................................................................................................................................................... 5
Step 1: Fasten ASCO SERIES 300 Dual Purpose Quick Connect Power Panel to secure base ............................ 5
Step 2: Installing the Conduit .................................................................................................................................... 5
Installation .................................................................................................................................................................. 6
Step 3: Wiring the Lug Terminals (ATS only) ........................................................................................................... 6
Step 4: Wiring the Lug Terminals (ATS & Permanent Generator) ........................................................................... 6
Step 5: Configuring the Phase Rotation Monitor ...................................................................................................... 7
Step 6: Determine Phase Rotation ........................................................................................................................... 7
Set-up -Portable Generator Connection (Lower Section) ............................................................................ 8
Step 7: Determining phase rotation of generator ..................................................................................................... 8
Step 8: Conduct a safety test to ensure proper installation ...................................................................................... 8
Step 9: Making Cam Connections ............................................................................................................................ 8
Step 10: Connect two wire auto start circuit ............................................................................................................. 9
Step 11: Close and lock lower chamber door, allowing cables to exit through smaller cable door ........................ 9
Step 12: Powering Up ............................................................................................................................................... 9
Step 13: Disconnection .......................................................................................................................................... 10
Step 14: Secure front door to complete .................................................................................................................. 10
Set-up Load Bank Connection Section (Upper Section) ............................................................................ 11
Step 15: Making Cam Connections ........................................................................................................................ 11
Step 16: Connecting Load Dump Circuit ............................................................................................................... 11
Step 17: Powering Up ............................................................................................................................................. 11
Step 18: Disconnection .......................................................................................................................................... 11
Trap Key Interlocks ................................................................................................................................................ 12
Standard Accessories ........................................................................................................................................... 13
Load Dump Receptacle .......................................................................................................................................... 13
Auto Start Terminals & Auto Start Destination Switch ........................................................................................... 13
Standard Accessory Wiring Diagram ..................................................................................................................... 13
Appendix A ............................................................................................................................................................... 14
Pre-Operation and Maintenance Checklist ............................................................................................................. 14
Index .......................................................................................................................................................................... 15
2 381333-488
Installation SERIES 300 Quick Connect Power Panel
Limited Warranty
DANGER is used in this manual to warn of a
hazard situation which, if not avoided, will result
in death or serious injury.
WARNING is used in this manual to warn of a
hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION is used in this manual to warn of a
hazardous situation which, if not avoided, could
result in minor or moderate injury.
When this ASCO SERIES 300 Dual Purpose Quick
Connect Power Panel is installed and operated,
according to the manual instructions, ASCO Power
Technologies will repair or replace any of its
mechanical or electrical parts if they are found to be
defective in material or workmanship within two years
of the purchase date.
Maintenance
The ASCO SERIES 300 Dual Purpose Quick Connect
Power Panels will require maintenance. ASCO Power
Technologies recommends annual inspections to keep
the panel in safe operating condition. ASCO Power
Technologies recommends that the Pre-Operation and
Maintenance Checklist under Appendix A serve a basis
for annual inspection
Important
This manual contains information critical to proper
installation and operation of the ASCO SERIES 300
Dual Purpose Quick Connect Power Panels. Be certain
to read and understand all instructions prior to
installation and operation.
The ASCO SERIES 300 Dual Purpose Quick
Connect 800-4000A Pad Mount Power Panels are
not designed for simultaneous operation of both
input and output connections when the Power
Panels are connected to a permanent generator
and ATS via mechanical lugs. Castell or Kirby Key
locks must be installed on generation connection
door and permanent generator breaker which
serves as an interlock between permanent
generator and portable generator.
ASCO SERIES 300 Dual Purpose Quick Connect
Power Panels are ETL listed to UL891 Standards.
Technical Support
ASCO Power Services are available to assist in
resolving issues by calling 1-800-800-2726 (ASCO) or
by emailing powerwarranty@ascopower.com. For any
additional information, please refer to ascopower.com.
381333-488 3
SERIES 300 Quick Connect Power Panel Installation Manual
Prior to Installation: Site Preparation
Prepare the installation site according to local codes
The ASCO SERIES 300 Dual Purpose Quick Connect
Power Panels are to be set on an exterior pad and
secured to a building or to the pad using 3/8” fasteners
(Figure 1).
The surface where the ASCO SERIES 300 Dual
Purpose Quick Connect Power Panel is to be secured
must be capable of supporting the weight of the cabinet
as well as the cable attached to it.
The following should be taken into consideration when
locating the ASCO SERIES 300 Dual Purpose Quick
Connect Power Panel:
– The ASCO SERIES 300 Dual Purpose Quick
Connect Power Panel is designed for exterior
operation ONLY.
– Identify and meet local codes and local Authority
Having Jurisdiction (AHJ)
– To prevent carbon monoxide poisoning from
improperly ventilated generator emissions, the
Power Panel must be mounted outdoors only. The
mounting location is to be carefully selected to
allow convenient connection to a generator and
located a suitable distance away from any building
openings or HVAC inlets.
Shipment: Unpacking and Inspection
Be careful in the use of sharp objects when cutting
packaging as damage to the outer enclosure may
result.
Perform a visual inspection to ensure the door and all
hasps are in functioning condition and that the panel
integrity is intact.
– Proper clearance must be allowed in front of the
ASCO SERIES 300 Dual Purpose Quick Connect
Power Panel to allow for opening of access doors
and attachment of externally connected cables.
This distance should be no less than six(6) feet
from the face of the panel.
– While lock protection is provided, access by
unauthorized personnel and vandals should be
taken into consideration when locating this device.
Secure with 3/8” fasteners
Figure 1. Bottom View
4 381333-488
Installation SERIES 300 Quick Connect Power Panel
Initial Installation
The installation of the ASCO SERIES 300 Dual
Purpose Quick Connect Power Panel must be
done by qualified personnel in accordance
with local electrical codes.
ASCO SERIES 300 Dual Purpose Quick Connect
Power Panels are front heavy. Care must be taken
to secure the device when its lifted and moved.
Lifting eyes are provided on the enclosure to
assist with proper lifting and movement of
enclosures (Figure 2).
Step 1: Fasten the ASCO SERIES 300 Dual
Purpose Quick Connect Power Panel to
secure base.
1. Base must be level and plumb to allow for proper
drainage from the ASCO SERIES 300 Dual
Purpose Quick Connect Power Panel weep holes.
2. Fastening onto an external wall using 3/8”
fasteners must be completed prior to proceeding
with any terminations (see Figure 1 for hole
spacing).
Step 2: Installing the Conduit
Conduit to enter through the bottom, rear and
sides unit (Figure 3).
To maintain TYPE 3R Rating compliance for the
enclosure, proper sealing procedures must be followed.
This is to include, but not limited to, the use of proper
gaskets.
1. Remove rear and side panels to expose
termination chamber.
Figure 2
2. Conduit to be sized according to cable rating.
3. It is recommended that a knockout punch be used
to cut hole for conduit.
4. Place the punch on the panel that was removed
from the enclosure and draw the punch through to
the die on the outside.
Figure 3
381333-488 5
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