APC InRow ACRC100 User Manual

Installation  
InRowRC  
ACRC100  
ACRC103  
American Power Conversion Legal Disclaimer  
The information presented in this manual is not warranted by the American Power Conversion Corporation to be  
authoritative, error free, or complete. This publication is not meant to be a substitute for a detailed operational and site  
specific development plan. Therefore, American Power Conversion Corporation assumes no liability for damages,  
violations of codes, improper installation, system failures, or any other problems that could arise based on the use of this  
Publication.  
The information contained in this Publication is provided as is and has been prepared solely for the purpose of evaluating  
data center design and construction. This Publication has been compiled in good faith by American Power Conversion  
Corporation. However, no representation is made or warranty given, either express or implied, as to the completeness or  
accuracy of the information this Publication contains.  
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Contents  
Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
User interface connection panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
InRow RC Installation  
i
General Information  
Overview  
Save these instructions  
This manual contains important instructions that must be followed during the installation of this  
equipment.  
Manual updates  
Check for updates to this manual on the APC Web site, www.apc.com/support. Click on the User  
Manuals link and enter the manual part number or SKU for your equipment in the search field. See the  
back cover of this manual for the part number.  
Cross-reference symbol used in this manual  
See another section of this document or another document for more information on this  
subject.  
Safety  
Read and adhere to the following important safety considerations when working with this cooling unit.  
DANGER  
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH  
Turn off all power supplying this equipment before working on the equipment. All electrical  
work must be performed by licensed electricians. Practice lockout/tagout procedures. Do  
not wear jewelry when working with electrical equipment.  
Failure to follow these instructions will result in death or serious injury.  
WARNING  
HAZARD FROM MOVING PARTS  
Keep hands, clothing, and jewelry away from moving parts. Check the equipment for  
foreign objects before closing the doors and starting the equipment.  
Failure to follow these instructions can result in death, serious injury, or  
equipment damage.  
InRow RC Installation  
1
           
WARNING  
DAMAGE TO EQUIPMENT OR PERSONNEL  
The equipment is heavy and can easily be tipped. For safety purposes, adequate  
personnel must be present when moving this equipment.  
Failure to follow these instructions can result in death, injury, or equipment  
damage.  
CAUTION  
HAZARD TO EQUIPMENT OR PERSONNEL  
All work must be performed by American Power Conversion (APC ) by Schneider  
Electric authorized personnel.  
Failure to follow these instructions can result in injury or equipment damage.  
2
InRow RC Installation  
Inspecting the Equipment  
Inspect for missing components. All shipped loose components are identified by part number and  
description on the bill of lading. Ensure each item is present before accepting delivery of the unit.  
Filing a claim. If damage has occurred, or if shipped loose parts are missing, report it immediately to  
the delivering carrier and note the problem on the receiving copy of the bill of lading. Failure to do so  
will result in replacement parts and repairs being billed to the customer.  
In case of shipping damage, do not operate the equipment. Keep all packaging for inspection by the  
shipping company and contact APC by Schneider Electric.  
Inventory  
Installation kit  
Item Description  
Quantity  
1-in NPT to 1-in BSPT adapters  
2
3
1
4
4
3
2
1
2
3
4
5
6
7
Tie wraps  
Termination resistor  
M5 x 12 mm Phillips screws  
M4 x 8 mm Phillips screws  
Wire clip  
Key  
Door and side panel locks  
The four side panels are locked at the factory, and the front and rear doors are not  
locked. Two keys are in the plastic documentation envelope located inside the  
equipment.  
InRow RC Installation  
3
       
Component Identification  
Exterior  
1
2
3
4
5
6
7
Removable rear door  
Side panel latch  
8
9
:
;
<
=
Door lock (front and rear doors)  
Top network wiring access  
Top supply (inlet)  
Removable side panel  
Caster  
Top condensate drain  
Top return (outlet)  
Adjustable leveling foot  
Display interface  
Removable front door  
Top power cord access  
4
InRow RC Installation  
 
Interior  
1
Air filter  
;
<
=
>
?
@
A
Bottom supply connection (optional)  
Drain valve (cap is installed at factory)  
User interface connection box  
Power supply unit (PSU)  
Bottom condensate drain pan  
Condensate floats  
2
3
4
5
6
7
Top supply connection (optional)  
Top return connection (optional)  
2-way supply valve (1-inch)  
Flow meter  
3-way valve  
2-way or 3-way valve with flow control  
actuator  
Coil  
8
9
:
2-way valve (3/4-inch) bypass shut-off  
Bottom return connection (optional)  
Condensate pump  
B
C
Top condensate drain pan  
Fan  
InRow RC Installation  
5
User interface connection panel  
A-Link ports  
Reset button  
Control RS-485 port  
1
2
5
6
Form C alarm contacts and shutdown  
input  
Ethernet port  
Configuration port  
Leak detector port  
3
4
7
8
Building management system (BMS) RS-485  
port  
6
InRow RC Installation  
Room Preparation  
During the design of the data center, consider ease of entry for the equipment, floor loading factors, and  
accessibility to piping and wiring.  
Seal the room with a vapor barrier to minimize moisture infiltration. (Polyethylene film is recommended  
for ceiling and wall applications.) Apply rubber- or plastic-based paints to concrete walls and floors.  
Insulate the room to minimize the influence of exterior heat loads. Use the minimum required amount of  
fresh air for make up to comply with local and national codes and regulations. Fresh air imposes extreme  
load variation on the cooling equipment from summer to winter and causes increased operating costs.  
The equipment is designed as a sensible cooling air conditioning unit for in-row use in data centers. The  
equipment does not have humidification or dehumidification control. Room humidity must be within  
acceptable operating conditions before starting equipment. If operated in spaces where the humidity  
is in the unacceptable operating conditions section of the Operating Guidelines chart (see the InRow RC  
Operation and Maintenance manual) the equipment condenses excess water vapor from the air. This will  
exceed the pumping capacity of the condensate pump, causing the equipment to send an alarm and shut  
down to avoid overflowing the condensate pan. The condensate pump runs until the fluid level in the pan  
is reduced, and the alarm is automatically reset. The equipment self-regulates in this manner until normal  
operating conditions are present.  
Note: The InRow RC is not intended to be used in an occupied office environment, due to  
potentially high noise levels during peak loads. Install the InRow RC in a computer room  
where people are normally present only for maintenance.  
Incoming power supply requirements  
See the electrical rating label on the equipment to determine the maximum possible current draw of the  
equipment. Provide either a single outlet circuit or a Power Distribution Unit (PDU) with sufficient  
capacity to handle all loads. Do not plug two InRow RC units into the same branch circuit or PDU.  
The equipment must be grounded. Electrical service must conform to national and local electrical codes  
and regulations.  
InRow RC Installation  
7
   
Piping Diagrams  
With cooling distribution unit (CDU)  
To customer-  
supplied chiller  
Top piping  
InRow  
RC  
CDU  
Supports up to 12  
units  
Bottom piping  
InRow  
RC  
CDU  
Supports up to 12  
units  
To customer-  
supplied chiller  
Flex hose or copper tubing  
Copper tubing  
Y-strainer with 20 mesh screen (field  
installed)  
Shutoff valve (field-installed)  
Note: Install isolation valves and particulate strainers with 20 mesh stainless steel screen  
(opening size = 865 micron) in the supply line between the chiller and the CDU. If the system  
is to be set up as an isolated loop - a chiller and pipe layout, dedicated only to supplying RC  
units and no other equipment - the strainer may be placed in the piping circuit before the pump.  
Thoroughly flush the system to remove all debris and process chemicals.  
Note: Top or bottom entry can be chosen individually for each type of connection, i.e. power,  
condensate drain, humidifier water supply, chilled water supply and chilled water return. Top  
piping configurations will have the same valves and strainers as bottom piping configurations.  
8
InRow RC Installation  
   
Without CDU  
Top piping  
To customer-  
supplied chiller  
InRow  
RC  
InRow  
RC  
Bottom piping  
InRow  
RC  
InRow  
RC  
To customer-  
supplied chiller  
Flex hose or copper  
Copper tubing  
Circuit setter  
Y-strainer with 20 mesh screen (field  
installed)  
Shutoff valve (field-installed)  
Note: Install isolation valves and particulate strainers with 20 mesh stainless steel screen  
(opening size = 865 micron) in the supply line between the chiller and the CDU. If the system  
is to be set up as an isolated loop - a chiller and pipe layout, dedicated only to supplying RC  
units and no other equipment - the strainer may be placed in the piping circuit before the pump.  
Thoroughly flush the system to remove all debris and process chemicals.  
Note: Top or bottom entry can be chosen individually for each type of connection, i.e. power,  
condensate drain, humidifier water supply, chilled water supply and chilled water return. Top  
piping configurations will have the same valves and strainers as bottom piping configurations.  
InRow RC Installation  
9
 
Internal piping diagram  
In  
Out  
From  
Coils  
Out  
Full  
Bypass  
Full  
Open  
In  
Out  
Entering water union (top piping)  
Leaving water union (top piping)  
Entering water union (bottom piping)  
Bottom condensate pan  
Bottom coil  
1
2
3
4
5
6
7
8
9
:
;
<
=
>
3-way actuator control valve—3/4 in  
Bypass shutoff ball valve—3/4 in  
Condensate drain  
Top condensate pan  
Top coil  
Leaving water union (bottom piping)  
Condensate pump  
Flow meter  
Inlet shutoff valve—1 in  
10  
InRow RC Installation  
 
Piping and electrical access locations  
0
152 (5.98)  
80 (3.15)  
117 (4.6)  
114 (4.59)  
190.55 (7.50)  
229 (9.02)  
507.50 (19.98)  
Bottom  
Top  
Supply  
132 (5.19)  
373 (14.68)  
Return  
Interior pipe  
dimensions  
Supply  
588 (23.14)  
Return  
403 (15.86)  
Dimensions are shown in mm (in).  
Power connections  
Power connections  
1
2
3
4
7
8
9
:
1-in NPT female (return)  
1-in NPT female (supply)  
Low voltage input wiring (customer)  
1-in NPT female (supply)  
Low voltage input wiring  
(customer-supplied)  
Condensate line—0.25 in ID/0.38 in OD  
Cable trough location  
1-in NPT female (return)  
5
6
;
Condensate line—0.25 in ID/0.38 in OD  
InRow RC Installation  
11  
 
Weights and Dimensions  
Dimensions are shown in mm (in).  
Net weight (equipment only)  
162.77 kg (358.5 lb)  
12  
InRow RC Installation  
 
Installation  
Removing Doors and Panels  
WARNING  
MOVING PARTS HAZARD  
• Do not open doors and panels if the equipment is operating  
Failure to follow these instructions can result in death, serious injury, or  
equipment damage.  
CAUTION  
UNPROTECTED PARTS  
Be careful when placing doors when removed from the equipment. Spring latches are  
easily damaged.  
Failure to follow these instructions can result in equipment damage.  
Door removal  
Side panel removal  
InRow RC Installation  
13  
   
Positioning the Equipment  
Service access  
An area of 1143 mm (45 in) of  
clear floor space in front and  
914.4 mm (36 in) in back of the  
equipment is required for service.  
All required maintenance can be  
performed from the front or back of  
the equipment.  
Dimensions are shown in mm (in).  
Leveling  
The leveling feet provide a stable base if the floor is  
uneven, but cannot compensate for a badly sloped  
surface.  
Once the equipment is in its intended location, use a  
screwdriver to turn each leveling foot until it makes  
contact with the floor. Adjust each foot until the  
equipment is level and plumb.  
You can remove the casters and leveling feet to allow the  
equipment to rest directly on the floor.  
14  
InRow RC Installation  
     
Stabilizing the Equipment  
Floor brackets  
To prevent the equipment from moving from its final location (if it is not joined with an enclosure), use  
the included bolt-down kit (AR7701). Follow the installation instructions included with the kit.  
Joining to enclosures  
NetShelter SX enclosure. Two  
joining brackets are installed on the front  
and rear of the equipment. Depending on  
how the holes on the joining brackets are  
used, you have the option of either 24-in  
or 600-mm spacing.  
1. Remove the front and two rear  
doors from the equipment. See  
“Door removal” on page 13.  
2. Locate the four joining brackets  
on the equipment. Rotate each  
bracket 90° toward the adjoining  
enclosure so that the bracket is  
parallel to the floor.  
3. Install the brackets using the  
Phillips screws provided with the  
equipment.  
NetShelter VX enclosure. The equipment may be joined to a NetShelter VX enclosure (24-in spacing  
only) by using an accessory kit (AR7602), sold separately.  
InRow RC Installation  
15  
     
Mechanical Connections  
Piping  
Note: Ensure coolant water quality complies with guidelines set forth in IB0125GB001.  
Water. Install shutoff  
valves for routine  
service and  
Hot Aisle Containment  
emergency isolation  
of the equipment.  
When a CDU is not  
used, you must install  
circuit setters to  
CDU  
Top piping examples shown  
regulate the chilled  
water flow for each  
InRow RC air  
PDU  
UPS  
NetShelter NetShelter NetShelter  
conditioner. See  
Layout and piping  
considerations.  
Fluid pipes are not  
allowed directly  
above electrical  
NetShelter RC NetShelter NetShelter RC NetShelter  
equipment. All  
piping must be  
installed above the  
aisles as shown. If  
any piping makes a  
turn, or must be  
InRow  
routed over electrical  
equipment, there  
must be a drip tray  
under the pipe that  
will protect the  
PDU  
UPS  
NetShelter  
NetShelter NetShelter  
NetShelter  
RC  
RC  
CDU  
equipment from  
condensation and  
leaks. All piping  
must be kept separate  
from any electrical  
runs or wiring.  
NetShelter NetShelter RC NetShelter NetShelter RC NetShelter NetShelter  
Insulation. Insulate  
water lines to protect  
personnel and to minimize condensation.  
Note: Using either tape or glue, completely seal the insulation boots covering the unused  
supply and return connections.  
16  
InRow RC Installation  
Connect piping  
See “Piping Diagrams,” beginning on page 8, for recommended valve, flexible adapter, and  
strainer installation locations.  
1. Route all piping  
to the InRow RC in compliance with all local and national codes.  
1
Note: Circuit setters are required to regulate the flow of chilled water to each piece of  
equipment. When a CDU is used in conjunction with the equipment, circuit setters are  
not required, as the CDU provides the flow-regulating function.  
Note: The figure shows a top piping installation with a PEX fitting. Bottom piping  
installations or rigid piping fittings are handled similarly.  
2. Disassemble the union on the entering or exiting water line:  
a. Remove the nut  
from the body  
.
6
3
b. Remove the disc  
and gasket . Save the gasket.  
5
4
c. The disc  
prevents water flow through the union.  
4
Discard the disc  
.
4
3. Repeat step 2 for the union on the other water line.  
4. Assemble the union on the entering or exiting water line:  
a. Use thread sealant and thread sealing tape in accordance  
with local and national codes.  
b. Slide the nut  
onto the fitting  
.
2
3
c. Seat the gasket  
into the body  
.
6
5
d. Tighten the body onto the nut , using a properly-  
6
3
sized open end wrench.  
5. Repeat steps 1 through 4 for the union on the other water line.  
InRow RC Installation  
17  
 
Condensate pump. The pump is factory-wired and piped  
internally to the lower condensate pan. The pump is capable of  
moving liquid a maximum of 15.2 m (50 ft), including a  
maximum lift of 4.9 m (16 ft). For example, if your lift is 3 m  
(10 ft), you have 12.2 m (40 ft) of usable run. The pump also  
uses an on-board condensate high level float switch, which is  
wired into the InRow RC alarm input for local and remote  
alarm capabilities.  
CAUTION  
CONDENSATE DAMAGE  
• Do not exceed the lift or the run length of the drain system.  
To prevent equipment damage from condensate, do not leave the condensate drain line  
coiled inside the equipment. Route the condensate drain line out the top or bottom of the  
equipment before operation.  
Failure to follow these instructions can result in equipment damage.  
Condensate pump drain connection.  
Note: Sufficient PVC drain line is  
supplied to route the drain to the  
Condensate drain line  
outside of the equipment. To route  
the drain line to a remote drain,  
obtain additional hardware.  
18  
InRow RC Installation  
Condensate pump drain installation. The condensate drain line is  
coiled inside the equipment, allowing you to route the condensate  
drain line for either top or bottom use. See the table “Piping and  
electrical access locations” on page 11 for more information. Use the  
provided grommets to properly secure and protect the condensate  
drain line.  
Top routing  
Note: Comply with all local codes when installing the  
condensate drain line to the proper drain system.  
Bottom routing  
Chiller  
There are three types of chillers to which the equipment can be connected:  
• APC size-matched chiller/thermal storage system  
• Building chilled water system  
• Existing dedicated chiller  
See the chiller documentation: (installation, operation, and maintenance manuals) for  
proper installation procedures.  
CDU  
See the CDU Installation manual for proper installation procedures.  
Accessories and spare parts  
Accessories are available for the equipment, including flexible pipe adapters, data troughs, data  
partitions, and height adapters for use with other APC equipment. For more information, contact APC as  
directed on the back cover of this manual.  
Many serviceable components are available as spare parts. For more information, contact APC as  
directed on the back cover of this manual.  
InRow RC Installation  
19  
     
Filling and Purging  
When the equipment is properly piped, begin the filling process (top piping configuration shown).  
DANGER  
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH  
Turn off all power supplying this equipment before working on the equipment.  
Failure to follow these instructions will result in death or serious injury.  
1. Open the 2-way supply valve and the 2-way bypass shutoff valve.  
2. Using a 2.5-mm hex key, turn the flow control actuator to the fully open position.  
Fully open  
Flow control  
actuator  
2-way supply  
Fully closed  
valve  
Full open  
Full bypass  
Fully open  
2-way bypass  
shutoff valve  
Fully closed  
20  
InRow RC Installation  
 
3. Slightly open the top coil vent.  
4. At the water supply, open the  
appropriate valves to begin letting  
water slowly enter the equipment.  
5. At the equipment, close the top coil  
vent when water begins slowly  
flowing out of the vent.  
Top coil  
vent  
6. At the water supply:  
a. Open all valves (no greater  
than 76 l/m [20 gpm]),  
allowing the water supply to  
reach the highest possible flow  
to the equipment for 45 seconds.  
b. Close the valves to a 3.8–11.4 l/m (1–3 GPM) flow for 60 seconds.  
c. Open the valves to maximum flow for another 45 seconds.  
d. Balance the system to provide the designed flow rate to all equipment.  
InRow RC Installation  
21  
Electrical Connections  
The following electrical connections are required in the field:  
• Feeds A and B  
• A-Link  
• Network Management Card  
• Temperature sensor  
• Communication (building management system)  
See the electrical schematic (located on the lid of the electrical box) for all electrical  
connections.  
Make all electrical connections in accordance with national and local codes.  
See the InRow RC nameplate for voltage and current requirements.  
A power disconnect is required to isolate each InRow RC for maintenance and service.  
All low-voltage connections, including data and control connections, must be made with properly  
insulated wires. The low-voltage connections must have 300-V minimum insulation.  
DANGER  
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH  
• Turn off all power supplying this equipment before working on the equipment.  
• Use a voltmeter to ensure that power is turned off before making any electrical  
connections.  
Failure to follow these instructions will result in death or serious injury.  
Note: Single phase service is required. Electrical service must conform to national and local  
electrical codes. The InRow RC is grounded through the power cord.  
22  
InRow RC Installation  
 
Power connections  
Power cords may be routed through the top of the equipment (standard) or through the bottom (optional).  
Top wiring configuration  
(standard).  
1. Route power cords  
through the  
equipment to the top  
power cord access,  
as shown.  
2. Push the power cords  
through the hole at  
the top power cord  
entrance.  
3. Secure the plate to  
the underside of the  
equipment top with  
four Phillips screws  
(provided).  
4. Secure the power  
cords at appropriate  
locations inside the  
equipment using the  
provided tie wraps.  
Bottom wiring configuration (optional).  
1. Remove the blank plate from the bottom power cord entrance. Save the plate and the four Torx  
screws.  
2. Route the power cords through the equipment to the bottom power cord access, as shown.  
3. Feed the power cords through the hole at the bo  
InRow RC Installation  
23  
 
User interface connection pinout  
Shutdown input  
contacts and alarm  
output contacts  
CONTROL  
MODBUS  
A-Link port  
24 Vdc (bias)  
1
9
Pin 1=High; Pin 2=Low;  
Pins 3, 6=Perf Power; Pins 4, 5=Ground  
Reset button  
Network port  
12 Vdc (bias)  
Return (bias)  
2
3
:
;
Pins 1-8 = Standard RJ-45  
Shield/ground  
NO (normally open contact)  
COM (common contact)  
4
5
6
7
<
=
>
?
A-=True  
B+=True  
Shutdown -  
NC (normally closed contact)  
RS-232 console port (see the  
InRow RC Service Manual)  
Shutdown +  
Leak detector (AP9325)  
8
@
24  
InRow RC Installation  
 
A-Link ports  
Note: All input and output connections should be wired as Class 2 circuits.  
Depending on the equipment configuration, additional control connections may be required for the  
A-Link remote communications through APC Network Management Card support or other equipment-  
monitoring software. A special RJ-45 terminator is provided and must be installed if both A-Link ports  
are not otherwise used, as shown.  
Active flow controllers (AFC). If AFC units are installed in the row, they are connected to the A-Link  
bus as shown.  
See the AFC Installation manual for more information.  
First InRow RC  
Second InRow RC  
Last InRow RC  
AFC  
AFC  
RJ-45 terminator (provided)  
A-Link cable  
1
2
InRow RC Installation  
25  
 
Network port  
First InRow RC  
Second InRow RC  
Last InRow RC  
Switch/Hub  
LAN cable (10/100 Base-T)  
1
26  
InRow RC Installation  
 
Modbus  
First InRow RC  
Second InRow RC  
Last InRow RC  
Modbus  
MASTER  
150Ω termination resistor (provided)  
Modbus cable (RS-485)  
1
2
Control connector  
150Ω termination resistor (provided)  
Control cable (RS-485)  
Peripheral device (example: chiller)  
1
2
3
InRow RC Installation  
27  
   
Form C alarm contacts and shutdown input  
Remote switch using  
internal power (24 Vdc  
shown)  
Field-supplied voltage  
(12/24 Vdc or Vac)  
A relay internal to the user interface is typically controlled by a user-defined alarm (malfunctioning fans,  
for example). Before an alarm is detected, the voltage on the COM terminal is routed to the NC terminal.  
When the alarm is activated, the relay is energized, causing the voltage on the COM terminal to be  
routed to the NO terminal. The NO and NC terminals may be connected to remote indicator lights, a  
warning buzzer, or another device to alert an operator to the presence of an alarm condition.  
A remote disconnect switch may be connected to the shutdown inputs.  
Leak detector port  
Rope water detector (AP9325). Up to four optional rope water  
detectors can be installed in series. The rope water detector  
connects to the RJ-45 leak detector port located at the top of the  
interface box.  
See the “Rope Water Detector” installation sheet  
(supplied with the kit) for installation and setup information.  
28  
InRow RC Installation  
   
Temperature sensor  
The remote temperature sensor monitors the room temperature,  
monitoring the environment surrounding the cooling equipment to  
ensure that the conditioned air is cooling the area.  
Note: The remote temperature  
sensor comes coiled inside the  
equipment as shown, and must  
be mounted as follows, or the  
Remote temperature  
sensor  
equipment will not operate  
properly.  
Install the temperature sensor.  
1. Route the rack temperature sensor through the hole in  
either the top or bottom of the unit.  
2. Route the sensor through either the top or the bottom  
of the adjacent server rack.  
3. Secure the temperature sensor cable to the front door  
of the adjacent server rack at multiple locations using  
Temperature  
sensor  
the provided wire clips as shown. See “Installation  
Wire clip  
The sensors must be installed where lack of sufficient  
cooling air is most likely. The optimum position of the  
rack temperature sensors will vary from installation to  
installation, but should be located in the airflow to  
allow accurate readings.  
Servers most likely to have insufficient air or inadequately cooled air due to the recirculation of  
hot air from the hot aisle include:  
a. Servers positioned at the top of a rack.  
b. Servers positioned at any height in the last rack at an open end of a row.  
c. Servers positioned behind flow-impairing obstacles such as building elements.  
d. Servers positioned in a bank of high-density racks.  
e. Servers positioned next to racks with Air Removal Units (ARU).  
f. Servers positioned very far from the equipment.  
g. Servers positioned very close to the equipment.  
InRow RC Installation  
29  
 
APC Worldwide Customer Support  
Customer support for this or any other APC product is available at no charge in any of the following ways:  
• Visit the APC Web site to access documents in the APC Knowledge Base and to submit customer  
support requests.  
www.apc.com (Corporate Headquarters)  
Connect to localized APC Web sites for specific countries, each of which provides customer support  
information.  
Global support searching APC Knowledge Base and using e-support.  
• Contact the APC Customer Support Center by telephone or e-mail.  
– Local, country-specific centers: go to www.apc.com/support/contact for contact information.  
For information on how to obtain local customer support, contact the APC representative or other distributors  
from whom you purchased your APC product.  
© 2012 APC by Schneider Electric. APC, the APC logo, and InRow are owned by Schneider Electric  
Industries S.A.S., American Power Conversion Corporation, or their affiliated companies. All other  
trademarks are property of their respective owners.  
990-2402D-001  
11/2012  

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