APC 60-80kW User Manual
APC Silcon
60-80kW 400V UPS
Installation Guide
Copyright 2000 APC Denmark ApS
This manual is subject to change without
notice and does not represent a commitment
on the part of the vendor
Thank You!
Thank you for chosing the APC Silcon Series UPS. Please read this Installation Guide
thoroughly prior to installing the system. It provides important information on safe and
efficient installation.
The installation and use of this product must comply with national, federal, state, municipal
and local codes.
Safety Symbols used in this manual
WARNING! Indicates a hazard which, if not avoided, could result in injury or death.
CAUTION!
NOTICE!
WARNING!
This UPS unit contains hazardous AC and DC voltages. Only qualified electricians should install
the UPS, AC line and external batteries, and must be familiar with batteries and battery
installation.
Before installing, maintaining or servicing the UPS, shut off the UPS and disconnect all sources
of AC and DC power.
As the UPS has no built-in disconnection devices to switch off external AC and DC input power,
ensure that disconnection devices are provided as separate parts in connection with the
installation!
The installer must provide each external disconnecting device for this UPS system with labels
with the following text:
“Isolate the Uninterruptible Power Supply (UPS) as instructed in this guide before working on
circuit”
AC and/or DC voltage will always involve a potential risk of AC voltage at UPS output generated
from either batteries or mains. To avoid equipment damage or personal injury, always assume
that there may be voltage at UPS output.
This system is equipped with an auto-start function. If activated, the system may start without
warning. Refer to the “Programming” section of this guide for information on de-activation.
Indicates a hazard which, if not avoided, could result in damage to the
product or other property.
Read and pay attention to this important information.
TEST BEFORE YOU TOUCH!
To reduce the risk of fire or electric shocks, install the UPS and external batteries in a
temperature and humidity controlled indoor area, free of conductive contaminants.
UPS batteries are high-current sources. Shorting battery terminals or DC terminals, DC busbars
can cause severe arcing, equipment damage and injury. A short circuit can cause a battery to
explode. Always wear protective clothing and eye protection and use insulated tools when
working on batteries.
CAUTION!
This unit contains components sensitive to electrostatic discharge (ESD). If you do not follow the
ESD procedures, you may cause severe damage to electronic components.
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Contents
1.0 Introduction 5
1.1 Tools and Equipment 5
2.0 Unpacking 6
3.0 Installation 8
3.1 Requirements on Site 8
3.1.1 Cabinet Dimensions H*xWxD - 1400xWx800 [mm]. Width as in below table: 8
3.2 Footprint 9
3.2.1 800mm Cabinet for 60-80kW UPS 9
4.0 External Connection 10
4.1 Connecting the UPS 10
4.2 System Integration Interface 12
4.2.1 Connections 13
4.3 Parallel Board 14
4.4 Communication Interface Board 17
4.4.1 Connections 17
4.5 Connecting of APC Silcon Tripel Chassis 18
4.6 APC Silcon Triple Chassis 19
4.6.1 Safety Warnings 19
4.6.2 Product Description 19
4.6.3 Installing Management Peripherals 20
4.6.4 Powering the APC Silcon Triple Chassis 22
4.6.5 Troubleshooting 23
4.6.6 Product Specifications 24
4.7 APC Silcon Battery Cabinets 27
4.7.1 APC Silcon Battery Cabinets 28
4.8 Battery Breaker Box/Fuse-box 30
4.8.1 Battery Breaker Box 31
4.8.2 Battery Breaker Box Connection Diagram 32
4.8.3 Fuse-box 33
4.8.4 Fuse-box Connection Diagram 34
4.8.5 UPS with External Battery in Battery Breaker Box/Fuse-box Configuration 35
5.0 Programming Parameters 36
5.1 Parameters 36
5.1.1 Programming Keys 37
5.1.2 Programming Example - Switch to Bypass Operation 38
5.2 System Configuration 38
5.2.1 Programming Example - Change Charge Voltage to 446 40
5.2.2 Programming Example - Change to Output Isolation Transformer available 41
5.3 Programming Parameters for Advanced Parallel Operation 42
5.3.1 Description of Settings 42
5.3.2 Programming example 43
5.4 Battery Monitor 43
5.4.1 Installation of new batteries 43
6.0 Options/Accessories 44
6.1 Service Bypass Panel for Single Operation 44
6.1.1 Wiring up UPS with SBP in TN-C-S Network 46
6.1.2 Wiring up UPS with SBP in TN-S Network 46
6.1.3 Operating The External Service Bypass Switch 47
6.2 Service Bypass Panel for Parallel Redundant Operation 49
6.2.1 Two Parallel Systems with Service Bypass Panel 50
6.2.2 Parallel/Redundant Operation with Service Bypass Panel and External Battery
via MCCB 51
6.2.3 Operating External Service Bypass Switch for Parallel Systems 52
6.2.4 Isolating One UPS for Service/Maintenance 56
6.2.5 Switching Back to Normal Parallel/Redundant Operation 57
6.3 Intersystem Synchronization Unit 58
6.4 Relay Board 59
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6.4.1 Relay Board/Relay Functions 60
6.5 Weight Equalizer 62
6.6 Remote Display 64
6.6.1 Extension of Remote Display Communication Distance 64
6.6.2 Remote Display Installation 66
6.6.3 Remote Display Use 67
6.7 Isolation Transformer 68
6.7.1 Connecting Isolation Transformer 69
6.7.2 Wiring up UPS with External Yyn0 Isolation Transformer at Output 71
6.7.3 Wiring up UPS with External Yyn0 Isolation Transformer at Input 72
6.7.4 Wiring up UPS with External Optional Dzn0 Isolation Transformer at Input 73
6.7.5 Wiring up UPS with External Optional Dzn0 Isolation Transformer at Output 74
6.7.6 Wiring up UPS with External Optional Dyn11 Isolation Transformer at Input 75
7.0 System Specifications 76
7.1 Technical Data 76
7.2 Dimensions / Weight 76
8.0 Warranty 77
8.1 APC Silcon Series Limited Factory Warranty 77
9.0 Appendix 78
9.1 Table 1. Installation Planning Data 78
10.0 How to Contact APC 80
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4 Installation Guide APC Silcon 60-80kW 400V UPS
Introduction
1.0 Introduction
Power regulation varies from country to country, and information given in this installation
guide can therefore only be of a general nature. Electricians should therefore always refer to
national and local electrical codes prior to installing the UPS system.
1.1 Tools and Equipment
CAUTION!
Heavy equipment. To prevent personal injury or equipment damage, take extreme care when
handling and transporting UPS cabinet and equipment.
CAUTION!
Ensure that front doors are in place and that internal front cover is fastened by screws before
attempting to lift or transport the system.
This section lists all tools and equipment required to install all UPS configurations. See also
section 4.0 of this guide for further details on connection.
Tools:
• 10mm socket
• 13mm socket-deep
• 17mm socket
• 19mm socket-deep
• 19mm combo wrench
• Small flat head/regular screwdriver
• #3 philips screwdriver
• Compression lug crimping tool
• Knock-out set (for glands)
Equipment:
• Compression lugs for cable terminations
• Cable to Service Bypass Panel from system feeder
• Cable to UPS input from Service Bypass Panel
• Cable to Service Bypass Panel from UPS output
• Cable from Service Bypass Panel to customer distribution
• Cable to UPS input from external batteries/external Battery Breaker Box
(systems with external battery)
• Solid core, control cable to UPS from Service Bypass Panel
• Solid core, control cable to UPS from external batteries/external Battery
Breaker Box
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Unpacking
2.0 Unpacking
NOTICE!
Unless otherwise specified by the shipping company use a fork lift to unload equipment from
pallet
1. To unpack UPS unit, remove top and bottom screws from side plates of packaging and lift up side plates
2. Verify compliance between type label on reverse side of front door and system ordered. Check input and
output voltage
3. Copy type label data to label copy below for easy identification of system
4. Use fork lift to transport system to installation site
5. Open UPS doors and unscrew metal straps mounted on front cover of UPS
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Copy of type label
Unpacking
PLEASE RECYCLE
The shipping materials for the APC Silcon UPS are recyclable. Please save them for later use or
dispose of them appropriately.
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Installation
3.0 Installation
3.1 Requirements on Site
All system parts are accessible from front or top of UPS. Cable entries are accessible from
bottom. A 1m free space on all sides should be allowed during installation. Once the system is
installed it may be placed close to walls as long as free space is allowed for system doors to open.
(Per applicable national and/or local codes.)
For ventilation and service purposes allow for free space of minimum 1m above the unit or per
national and/or local codes and in front of UPS. Never install systems in direct sunlight.
NOTICE!
For reliability reasons do not stand on the UPS. keep the UPS cabinet surface free of any objects.
3.1.1 Cabinet Dimensions H*xWxD - 1400xWx800 [mm]. Width as in below table:
* H is 1500 mm for optional IP31 cabinets
Width
Without
Batteries
[mm]
UPS 1xBP I* 2xBP I* 3xBP I* 1xBP II** 1xBP III***
60kW 800 1x800 1x1000
80kW 800 1x800 1x1000
* BP I = Battery Pack I = 1 x 64 x 7 Ah batteries
** BP II = Battery Pack II = 1 x 64 x 24Ah batteries
*** BP III = Battery Pack III = 1 x 64 x 38 Ah batteries
Cabinets
800 mm wide
600 mm wide 800 mm wide
Width With Built-in Batteries
[mm]
Width for Separate
Battery Cabinets
[mm]
1000 mm wide
1400 mm
Battery cabinet
for 1xBP ll
1400 mm
Battery cabinet
for 1xBP lll
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1400 mm
APC Isolation
Transformer module
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8 Installation Guide APC Silcon 60-80kW 400V UPS
3.2 Footprint
3.2.1 800mm Cabinet for 60-80kW UPS
Rear
Installation
Power cable entry
Com. cable entry
Front
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External Connection
4.0 External Connection
4.1 Connecting the UPS
CAUTION!
This UPS unit is an EN 50091-2 product and may cause radio interference in a domestic
environment. Take preventive measures if necessary.
CAUTION!
At a switch mode load of 100% the neutral must be rated for 200% output phase current.
Ext. batteries
Input
Output
System Integration
Interface
Parallel Controller
Communication
Interface
Relay board (Optional)
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External Connection
UPS External
Input
Fuses* FM
[A]
380-415V
60kW 125 50 16 100 35
80kW 160 70 35 125 50
NOTICE!
Check correct phase rotation of mains input voltage!!
Max. input/output cables: 120mm
If there is no neutral input Dzn0 or Dyn11 input isolation transformer is required.
* DIN gL types
UPS External Alarm
Cable max.
[mm2]
60kW 2 25 125 50
External
Input Cable
[mm2]
380-415V
2
.
External System
Earth Cable
[mm2]**
External PE
Cable
[mm2]
Battery Breaker
Maximum
External
External
[A]
Output
Fuses*
[A]
External Battery
External
Output
Cable
[mm2]
Cable
[mm2]
80kW 2 25 125 50
NOTICE!
All cable dimensions are recommended sizes only.
Refer to local legal regulations.
PVC cables insulated to withstand ambient temperature of max. 30oC
** Must be rated as external PE cable if mains system is not supplying PE
NOTICE!
Install gland plate in bottom of unit.
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External Connection
4.2 System Integration Interface
NOTICE!
Consistent use of designations (Q001, Q002, Q003, H002, H003) in diagrams simplifies
information exchange.
System Integration Interface (SII) is the control link between UPS and system main switches
as shown in above diagram. The purpose of the SII is to ensure correct operation of switches
without losing system output power.
Auxiliary contacts on the main switches transmit the SII board inputs. Lamps on Service
Bypass Panel and Battery Breaker Box/Battery Cabinet indicate “green light” for operation of
output switches.
SII board also integrates input facilities for emergency shut-down and temperature
compensation of charge voltage for external battery (use with battery monitor). “Battery
operation” and “Common fault” are two main SII board status relay signals.
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4.2.1 Connections
Blue
Brown
External Connection
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External Connection
Terminal Blocks: X003/X004 (Anxiliary Contacts)
When switching Q001, Q002, Q010, Battery Breaker 1 or Battery Breaker 2 from “ON or 1” to
“OFF or 0”, the anxiliary contact has to be open BEFORE the corresponding main contacts are
opened. When switching Q001, Q002, Q010, Battery Breaker 1 or Battery Breaker 2 the
opposite way from “OFF or 0” to “ON or 1”, the anxiliary contact has to close with a maximum
delay of 0.5 seconds from the time the corresponding main contacts are closed.
• This type of auxillary contact is called a “late make” contact. (This also means that it will
“break early” when activated in opposite direction.)
• This auxillary contact is also called “NORMALLY OPEN” (NO), because the auxillary
contact will be open when the main contacts are open.
• Please note that the above term “NORMALLY” has nothing to do with NORMAL UPS
OPERATION MODE.
When switching Q003 from “OFF or 0” to “ON or 1”, the anxiliary contact has to open BEFORE
the corresponding main contacts are closed. When switching Q003 the opposite way from “ON
or 1” to “OFF or 0”, the auxillary contact has to close with a maximum delay of 0.5 seconds from
the time when the corresponding main contacts are opened.
• This type of anxiliary contact is called an “early break” contact. (This also means that it will
“make late” when activated in the opposite direction.)
• The auxiliary contact is also called “NORMALLY CLOSED” (NC), because the auxiliary
contact will be closed when the main contacts are open.
• Please note that the above term “NORMALLY” has nothing to do with NORMAL UPS
OPERATION.
X005 (Output Relays)
Battery operation signals are received with a 30-second delay. This function is inactive during
battery test. Common fault relay facility is programmable (standard factory setting: 10 sec.)
See APC Silcon User Guide for details.
Maximum nominal voltage on contact circuits is 277VAC. If two different phases are involved,
maximum phase to neutral voltage should be below 160VAC. Please note that phase L1 is
already present on the System Integration Interface board, supplied from the Service Bypass
Panel. Therefore, if a phase is needed for alarm or signal purposes, Phase L1 should be used.
4.3 Parallel Board
CAUTION!
Control cables must be separated from AC and DC power cables.
Parallel Board
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External Connection
The built-in parallel board connects two or more UPS systems in parallel, either to obtain
increased system reliability or to obtain higher output power. The parallel board also ensures
correct load-sharing between paralled systems.
NOTICE!
For reliability reasons, APC recommends separate battery packs in redundant/parallel
conigurations.
To prepare the UPS for parallel/redundant mode, disconnect all sources of AC and DC power
supply to the UPS and connect the ribbon cable from the parallel board to the main controller
board (the ribbon cable is delivered with the UPS).
CAUTION!
DO NOT connect ribbon cable between controller and parallel card in single configurations.
Ribbon cable is for parallel operation only.
Complete the parallel system set-up by connecting the external control cables (see below).
Follow the instructions in the “Programming Parameters for Advanced Parallel” section of this
guide to execute necessary re-programming.
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External Connection
Parallel Board
X021:15-pin SUB-D female
X020:15-pin SUB-D female
External multicore cable with 14 wires + shield
to other parallel units
UPS 1
External Control Cables
External multicore cable is equipped with 15-pin SUB-D plug at either end. Connect pin 1 to
pin 1, and pin 2 to pin 2 etc. up to pin 15 - with the exception of pin 8, which is not to be
connected.
Shield is connected to plug cover at both ends.
Terminals X020 and X021 for control cables located on parallel board. Connect X020 in UPS1
to X021 in UPS2, and connect X020 in UPS2 to X021 in UPS3 etc. Connect X020 in last UPS
to X021 in UPS1.
Cable is delivered with the UPS.
Power Cables
To optimize load-sharing in parallel operation, external power circuits must be “symmetrical”:
Power input and output cables to have same length and identical cross-sections.
UPS 2
UPS 3
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External Connection
4.4 Communication Interface Board
The 3-port ComInterface is used to establish an interaction between UPS and e.g. a computer
system. Main purpose: To ensure a controlled computer shut-down in case of a mains supply
failure.
4.4.1 Connections
.
.
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External Connection
4.5 Connecting of APC Silcon Tripel Chassis
The enclosed Triple Chassis must be connected to the serial port on the Communication
Interface Board, and to the 24V supply (cables included).
APC Silcon Triple Chassis
For more information please refer to the following section.
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External Connection
4.6 APC Silcon Triple Chassis
The APC Silcon Triple Chassis (AP9604S) is an American Power Conversion (APC) external
management peripheral that allows you to use monitoring and control management
peripherals with your APC Silcon series UPS. The retrofit model (AP9604SR) is for use with
Silcon series UPSs that are not equipped with a 24 VDC power port.
4.6.1 Safety Warnings
Use the APC Silcon Triple Chassis only in conjunction with an APC Silcon UPS.
Do not connect a computer to any APC Silcon Triple Chassis port using a straight-through
extension cable. Use the communications cable provided with the APC Silcon Triple Chassis.
Connections using a cable made by any other manufacturer may cause damage or improper
operation of the APC Silcon Triple Chassis, the UPS, or the computer.
4.6.2 Product Description
➊
➍
➋
➌
Monitoring port
1
To UPS port
2
4.6.2.1Monitoring Port
The Monitoring port has two functions:
• Connecting to a terminal for configuration of the chassis. For direct connection to the
Monitoring port, you must use the Monitoring cable supplied with the chassis (APC
P/N 940-0024C).
• Connecting to other APC external management peripherals in a daisy chain.
Status LED
3
Optional Power port
4
4.6.2.2To UPS Port
The “To UPS” port connects the chassis to the UPS, using the Silcon UPS cable (APC P/N 940-
0071). The cable connector plugs into a communications port on an APC Silcon UPS.
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External Connection
4.6.2.3LEDs
The APC Silcon Triple Chassis status LED provides important information concerning
operation of the chassis. Refer to the table below for a description of the conditions indicated
by the LED.
IF the LED is… THEN the Silcon Triple Chassis…
off is not receiving power.
flashing quickly
(5 times per second)
has not been configured. See the APC Silcon Management Quick
Start Guide provided with your chassis or the Web/SNMP
Management Card Installation Guide on the CD for more
information.
flashing slowly
(1 time per second)
on is operating normally.
4.6.2.4Optional Power Input
With the Optional Power input, you can power the APC Silcon Triple Chassis from an external
source, using a 24 VDC power adapter. A universal adapter (AP9505i) or a standard adapter
(AP9505) can be purchased separately from APC.
4.6.3 Installing Management Peripherals
There are two basic types of APC management peripherals that work with the APC Silcon
Triple Chassis:
• Management peripheral cards, which fit into external management peripherals that
are equipped with a card slot.
• External management peripherals, which connect to the Monitoring (or Advanced)
port of other external management peripherals.
NOTICE!
The name “Monitoring” port varies from product to product, but its purpose is the same – to
replicate the UPS communications port.
is powered on but is not communicating with the UPS.
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External Connection
4.6.3.1Order of Management Peripheral Cards
Because UPS signals are passed between management peripherals, you must install
management peripheral cards in the correct order for them to work together properly. The card
slots are numbered 1 to 3, from left to right, as viewed from the rear of the chassis. The
following table lists the management peripheral cards, their priority, and proper position.
Management
Peripheral Card
Web/
SNMP Management
Card
Out-of-Band
Management Card
(Call-
UPS®II)
Interface Expander AP9607 Second lowest
Environmental
Monitoring Card
(Measure-
4.6.3.2Installing Management Peripheral Cards
To install management peripherals, perform the following steps.
1) Make sure that the chassis is powered off.
2) Install management peripheral cards into the housings on the rear of the chassis. See the
instructions supplied with the cards and the table above.
3) If you are daisy-chaining other APC external management peripherals to the APC Silcon
Triple Chassis: Connect the UPS cable (supplied with the management peripheral) to the
Monitoring port of the chassis and to the “To UPS” port of the other management peripheral
(Share-UPS, MasterSwitch, etc.). See “Daisy-chaining the APC Silcon Triple Chassis”.
4) Power the APC Silcon Triple Chassis and all external management peripherals.
UPS
®
II)
P/N Priority Position
AP9606 Highest
AP9608 Second-highest
AP9612T
AP9612TH
Lowest
High-numbered slot
Low-numbered slot
NOTICE!
If your configuration requires additional power, connect a 24V AC/DC power adapter available
from APC (part number AP9505 or AP9505i) for all models of Triple Chassis.
4.6.3.3Daisy-chaining the APC Silcon Triple Chassis
If you need more than the three card slots available with the APC Silcon Triple Chassis, or if
you want to use other external management peripherals, you can daisy-chain external
management peripherals together, provided that the total amperage of all installed
management peripherals — cards and external — does not exceed the supplied amperage. (See
“Determining Power Requirements:”).
NOTICE!
When daisy-chaining Triple Chassis units, you may need to use a power adapter.
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External Connection
To add card slots, you can daisy-chain the APC Silcon Triple Chassis with the standard Triple
Chassis (AP9604) management peripheral, installing the APC Silcon Triple Chassis closer to
the UPS.
4.6.4 Powering the APC Silcon Triple Chassis
The APC Silcon Triple Chassis supplies power to the installed management peripheral cards
and to the Monitoring port, allowing you to power multiple management peripherals.
4.6.4.1AP9604S Power Considerations
The AP9604S model of the APC Silcon Triple Chassis receives its power from the UPS through
the power connector of the Silcon UPS cable. If the total current required by all the installed
management peripherals exceeds 500 mA, you must use a 24 VDC power adapter. To find out
whether you need additional power, see “Determining power requirements”.
4.6.4.2Power Adapters
APC offers two models of 24 VDC power adapter.
• The standard adapter (AP9505) can provide an additional 400 mA.
• The universal adapter (AP9505i) can provide 850 mA.
4.6.4.3Using a Power Adapter
To use the adapter, plug it into a protected power outlet and into the Optional Power port of
the APC Silcon Triple Chassis.
NOTICE!
If the power adapter loses power because of a UPS shutdown, its attached management
peripherals may not operate properly, thus adversely affecting the UPS and its protected
equipment.
4.6.4.4AP9604SR Power Considerations
The AP9604SR model receives its power from the UPS through the supplied 24 VDC universal
adapter. The total current required by your management peripherals must not exceed the 850
mA limit of the power adapter. See ““Determining power requirements”.
4.6.4.5Determining Power Requirements:
To determine the total amount of current required by your management peripherals, add the
individual current requirements for each management peripheral to be installed with the APC
Silcon Triple Chassis to the current requirements of the chassis itself. Refer to this table
Part # Management Peripheral Draw (mA)
AP9207 Share-UPS 8-port Interface Expander 65
AP9600 Expansion Chassis 30
AP9604 Triple Chassis 20
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External Connection
AP9604S[R] APC Silcon Triple Chassis 90
AP9606 Web/SNMP Management Card 110
AP9607 Interface Expander 45
AP9608 Out-of-Band Management Card
(Call-
UPS II)
AP9612 Environmental Monitoring Card (Measure-UPSII) 60
AP9825i Isolated Extension Cable 50
AP9830 Remote Power-Off Device 35
4.6.5 Troubleshooting
The following table shows the solution to common problems with the operation of the Triple
Chassis
Problem Possible Cause Solution
See “Powering the APC Silcon
Triple Chassis”, and verify that you
are not exceeding current
requirements.
Configure the Silcon Triple
Chassis. See the APC Silcon
Management Quick Start Guide
provided with your chassis or the
Web/SNMP Management Card
Installation Guide on the CD for
more information.
Status LED is off
Status LED is flashing
quickly
The chassis is not
receiving adequate
power.
The chassis has not been
configured.
35
Status LED is flashing
slowly
Attached management
peripheral cannot
identify UPS model or
nominal output voltage.
4.6.5.1If Problems Persist
For problems not covered in the troubleshooting chart or for persistent problems, follow this
procedure:
1) Note the serial number and date of purchase of the APC Silcon Triple Chassis. Contact APC
Customer Support at the phone number or address that is listed in this manual.
2) Be prepared to provide a description of the problem. A technician will help solve the
problem over the phone, if possible, or will give you a return material authorization (RMA)
number.
3) If the APC Silcon Triple Chassis is under warranty, repairs are free of charge. If the
warranty has expired, there will be a nominal charge for repair.
The chassis is not
communicating with the
UPS.
The management
peripheral firmware
does not support 3-phase
UPSs.
Verify that the supplied UPS cable
is properly connected to the Triple
Chassis and to a communications
port on the UPS.
You may be able to upgrade the
firmware of the management
peripheral. Call APC Customer
Support.
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Installation Guide APC Silcon 60-80kW 400V UPS 23
External Connection
4) Pack the APC Silcon Triple Chassis carefully in its original packaging, if possible. Do not
use polystyrene beads for packing. Damage sustained in transit is not covered under the
warranty. Enclose a letter in the package with your name, address, RMA number, a copy of
the sales receipt, daytime phone number, and payment (if applicable).
5) Mark the RMA number clearly on the outside of the shipping carton. The factory will not
accept any materials without this marking.
6) Return the Triple Chassis by insured, prepaid carrier to the address given to you by APC
Customer Support.
4.6.6 Product Specifications
4.6.6.1Monitoring Port Pin Assignments
The Monitoring port is a 9-pin communications port. The port operates with no flow control at
a rate of 2400 baud. The data format is 8 data bits with 1 start bit, 1 stop bit, and no parity.
When the Triple Chassis operates with simple signalling, the following limitations and
capabilities apply to the Monitoring port:
• Pins 3, 5, and 6 are open collector outputs which must be pulled up to a common
referenced supply no greater than +40 VDC. The transistors are capable of a noninductive load of 25 mA. Use only Pin 4 as the common.
• The output at Pin 2 generates a low-to-high RS-232 level when the device is
signalling an On Battery condition. The pin is normally at a low RS-232 level.
• The UPS is signalled to shut down when a high RS-232 level is applied to Pin 1 for
4.5 seconds. Shutdown is also dependent on the UPS status.
When the Triple Chassis operates with advanced signalling, the following limitations and
capabilities apply to the Monitoring port:
• Pin 7 is unassigned.
• DC operating voltage is available on Pin 8. This voltage may be from the UPS or from
an external adapter, whichever is greater.
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24 Installation Guide APC Silcon 60-80kW 400V UPS
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