Technical Data - Schneider Electric

Technical Data - Schneider Electric

InRow

TM

RA

SKUs

ACRA100

ACRA101

Technical Data

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Contents

Overview .......................................................................... 1

Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Compliance approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Standard features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

APC pumped refrigerant system, the right solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Scalable Solution for Critical Environments ................ 2

InRow advantages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Scalable for any density . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Thermal containment system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Standard Features........................................................... 5

Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Insulated side panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Electronics module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Remote shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Cooling coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Variable speed fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Active response control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Washable filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Failure notification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Remote temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Dual power feeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Optional Features............................................................ 6

Flexible stainless steel hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Height adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Power trough . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Data partition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Network cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Hard pipe kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

InRow RA Technical Data Manual i

ii

Microprocessor Controller ............................................. 7

Microprocessor control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Display interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Component Identification ............................................... 8

Loose parts kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Exterior components (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Interior components (rear view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

914 mm (3 ft) stainless steel flex pipe kit - ACAC21007 . . . . . . . . . 12

1828 mm (6 ft) stainless steel flex pipe kit - ACAC21008 . . . . . . . . 12

1372 mm (4.5 ft) stainless steel flex pipe kit - ACAC21009 . . . . . . 13

R134a connection kit - ACAC21010 . . . . . . . . . . . . . . . . . . . . . . . . . 13

SX to VX height adapter - ACAC10003 . . . . . . . . . . . . . . . . . . . . . . 14

SX to 48U SX height adapter ACAC10007 . . . . . . . . . . . . . . . . . . . . 14

Top Piping and Power Access Locations . . . . . . . . . . . . . . . . . . . . 15

Bottom Power Access Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Determining Cooling Capacity ..................................... 16

How to Determine Capacity of the InRow RA

Cooling Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

IT equipment air flow (l/s/kW) (cfm/kW) . . . . . . . . . . . . . . . . . . . . . . 16

Recommended capacity limit (kW) . . . . . . . . . . . . . . . . . . . . . . . . . 16

DB (°F and °C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

WB (°F and °C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

CW delta T (°F and °C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Sensible net capacity (BTU/hr and kW) . . . . . . . . . . . . . . . . . . . . . . 16

Total net capacity (BTU/hr and kW) . . . . . . . . . . . . . . . . . . . . . . . . . 16

Recommended Capacity Limitations . . . . . . . . . . . . . . . . . . . . . . . . 17

ACRA100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

ACRA101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

General Data .................................................................. 21

General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Service access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

InRow RA Technical Data Manual

Piping and Mechanical Connections ........................... 26

Internal Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

External Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Guide Specifications ..................................................... 28

Guidelines for Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Room preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Service access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Receiving the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Data center room volume requirements . . . . . . . . . . . . . . . . . . . . . 32

InRow RA Technical Data Manual iii

Overview

The InRow RA offers efficient, effective, and economical cooling.

Critical environmental requirements now reach far beyond the confines of the traditional data center or computer room to encompass a larger suite of applications referred to as technology rooms. Critical environment applications include:

• Computer rooms

• Telecommunication facilities

• Clean rooms

• Power Equipment

• Medical equipment rooms

• Archives

• LAN/WAN environments

A worldwide network of APC representatives is fully qualified to provide engineering, sales, installation, and service for our products.

APC warrants all parts for 12 months from commissioning or 18 months from the shipping date. Parts and labor is warranted if factory start-up is conducted. Extended warranties are available.

Capacity

The InRow RA unit provides cooling using low temperature R134a refrigerant supplied by a Refrigerant

Distribution Unit (RDU). The nominal cooling capacity of the equipment is 29 kW.

Configuration

Pumped refrigerant.

Note:

This unit must be used with an RDU.

Compliance approval

• UL Listed

• C-UL Listed

• CE

Standard features

• Insulated side panels

• Dual power inputs (A-B feed) via locking NEMA or IEC plug

• Variable speed direct drive mixed flow AC fan assembly

• Remote temperature sensor

• Microprocessor controller

• Failure warnings

• Controlled relative to dewpoint

• Active response controls

• Micro-channel coil

• Threaded ring seal pipe adapters

• Baying kit

• Washable filter

Accessories

• Hard piping kits

• Stainless steel flex piping kits

• NetShelter SX height adapters

• NetShelter VX height adapters

• Rack Air Containment

• Hot Aisle Containment

Refrigerant

Mitigating the risk of fluid leaks is critical to the smooth operation of a technology room. Data centers can be installed where raised floors are not available. This hard floor environment requires that the cooling fluid piping be installed overhead. The fluid used in this modular, pumped refrigerant system is R134a refrigerant. R134a is a non-toxic refrigerant that poses no threat to IT equipment in the event of a leak, and has no ozone depletion potential.

APC pumped refrigerant system, the right solution

Highly scalable and flexible, the system is capable of growing with your cooling needs as they increase. Ideal for low, medium and high density environments, the InRow RA integrates thermal containment and variable airflow for maximum energy efficiency.

InRow RA Technical Data Manual 1

Scalable Solution for Critical Environments

InRow advantages

InRow cooling products improve energy efficiency and cooling ability in a number of ways. First, the InRow RA draws air directly from the hot aisle, allowing it to take advantage of higher heat transfer efficiency due to higher temperature differences. It can then discharge cool air directly back into the IT environment. This increases energy efficiency by reducing the distance that the air has to be moved to provide adequate cooling to the IT equipment. Row based cooling close couples the cooling units to the IT load, which enables the units to operate at a higher return and supply air temperatures yielding 100% sensible capacity.

Hot Aisle

Scalable for any density

The predictable performance of the row-based architecture makes it well-suited for low, medium and high density applications.

The additional benefit of the row-based architecture is the ability to add thermal containment. Containing the hot aisle further reduces any chance of hot and cold air streams mixing. This provides ultimate predictability and allows the cooling capacity to be matched to the IT heat load.

2 InRow RA Technical Data Manual

Thermal containment system

Various means may be used to enclose the hot aisle. This increases the efficiency of the cooling unit coil(s), and allows for cooling low, medium and high, or mixed density rack loads in any single rack enclosure by accumulating all IT server exhaust airflow in a common plenum, and eliminating mixing of hot and cold air streams.

The thermal containment system is designed to create a separate environment for air distribution in order to prevent mixing of hot and cold air streams, resulting in a more predictable cooling pattern. It also minimizes cooling airflow required for neutralizing rack heat loads, thereby saving on cooling unit fan power consumption.

The thermal containment system is beneficial in any environment and rack load densities.

InRow RA Technical Data Manual 3

Configuration

Chilled water systems utilize water from a chiller plant for cooling. Chilled water is commonly used in large buildings and high rises and can serve multiple indoor units, which can be cost effective for large install options.

There are various methods for chilled water piping. The illustration below shows an InRow RA receiving pumped refrigerant from a centralized RDU which is in turn connected to a chiller plant.

1

2

InRow RA

3

Refrigerant piping

RDU*

4

5

6

Strainer**

Valve**

Chiller

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 RDU. For more information, see the RDU Installation Manual.

*The RDU is a required unit available through APC. For more information, see the RDU Technical Data Manual.

**Piping between the chiller and the RDU will vary based on local codes and site conditions.

4 InRow RA Technical Data Manual

Standard Features

Cabinet

The frame is constructed of 16 gauge formed steel for maximum strength.

The cabinet is serviceable from the front and rear. All exterior panels and corner posts on the frame are powder coated for durability and an attractive finish.

Front and rear exterior panels are constructed of 18 gauge perforated steel with 69.5% open free area.

Insulated side panels

Insulation is 80.1 kg/m

3

(5 lb/ft

3

) density and complies with ASTM

E84 rating of 25/50. All panels include a key latch for safety and security, allowing easy access and removal.

Electronics module

A retractable electronics module provides easy service access from the rear of the unit.

Remote shutdown

The unit is capable of being placed in

RUN or STANDBY mode - password protected - through RDU or web interface.

Cooling coil

The cooling coil is an aluminum micro-channel heat exchanger supported by 14 gauge galvanized steel.

The micro-channel improves heat transfer and thermal performance.

Variable speed fans

Five 250 mm diameter variable speed mixed flow direct drive AC axial fans provide uniform air flow over the entire face of the coil.

Each fan assembly has a plastic injection molded bezel with a cagetype finger guard on both the inlet and outlet sides.

Active response control

The active response control monitors rack inlets and controls cooling capacity to match the IT heat load.

Included is a user-friendly interface for ease of operation.

Washable filters

The filtration of conditioned air is extremely vital to maintaining the clean, particle-free environment required by electrical equipment. The system uses a <20% efficiency

ASHRAE 52.1, 12.7 mm (1/2 in) washable, deep loading, large dustholding filter that meets HF-1 standards for electronics (MERV 1 per

ASHRAE 52.2).

Failure notification

Several components within the unit will provide a warning that service is needed.

Remote temperature sensor

A field-installed remote temperature sensor is placed to provide control input based on rack inlet temperature.

Dual power feeds

Dual power inputs are supplied to the unit for power redundancy and protection via a locking NEMA or IEC plug connection suitable for the input power selected.

InRow RA Technical Data Manual 5

Optional Features

Flexible stainless steel hoses

914 mm (3 ft), 1372 mm (4.5 ft), and

1828 mm (6 ft) flexible stainless steel hoses are available for use in installations where the header piping is not used, allowing flexibility in header/ connection placement.

Height adapters

To match the height of the ACRA to various rack heights, height adapters are available for NetShelter 42-U VX and 48-U SX racks.

Power trough

Overhead power distribution between adjacent NetShelter racks allows for removal of the ACRA without disrupting overhead power cabling.

Data partition

Overhead cable distribution between adjacent NetShelter racks allows for removal of the InRow ACRA without disrupting overhead cabling.

Network cable

Various lengths of network cable are available to order with your cooling system. The network cable is used to interconnect multiple cooling units in a group, as well as to connect back to the RDU.

Hard pipe kits

Male and female threaded ring seal adapters allow you to create custom piping for your application.

6 InRow RA Technical Data Manual

Microprocessor Controller

InRow RA

STATUS

WARNING

CRITICAL

UNIT ID

SUPPLY AIR

TEMP

RACK INLET

TEMP

ALARM

CODE

Cooling System

Item Description

1 Status LED

2 Warning LED

3 Critical alarm LED

4 Menu selection scroll up key

5 Enter key

6 Menu selection scroll down key

7 Alarm code LED

8 Rack inlet temperature LED

9 Supply air temperature LED

: Unit ID LED

Microprocessor control

The master display allows monitoring and configuring the air conditioning unit. Available functions include status reporting, set-up, and temperature setpoints. Four

LEDs report the operational status of the connected cooling unit.

Controls

The microprocessor controller comes equipped with control keys to allow the user to navigate between menus and select items.

Alarms

The microprocessor controller activates a visible alarm in the occurrence of the following events:

• Air filter service interval expired

• Evaporative temperature below dewpoint

• Individual fan fault

• Group communication fault

• Liquid inlet pressure sensor fault

• Liquid temperature sensor fault

• Primary power source failure

• Primary/secondary power source overvoltage

• Primary/secondary power source failure

• Rack temperature sensor fault

• Rack temperature high violation

• RDU communications fault

• Return air high temperature violation

• Return air temperature sensor fault

• Supply air high temperature violation

• Supply air temperature sensor fault

• Unit ID needs configuration

• Unit personality not configured

• Vapor outlet pressure sensor failure

• Vapor temperature sensor fault

Display interface

The three-digit, seven-segment display relays sensor readings, the identification number of the RA, and alarms by number only.

InRow RA Technical Data Manual 7

Component Identification

Loose parts kit

8

16

Item Description

1

InRow RA

2

3

4

5

6

7

8

9

:

Rack inlet temperature sensor

Phillips head screws

Cable clips

Power cord retaining clips

Power cords

Key

Teflon rings, 1-3/4 in

Teflon rings, 1-1/4 in

Insulation (supply and return piping)

Qty

2

1

3

2

1

1

4

3

3

2

Item Description

;

Return vapor line

<

=

>

?

@

A

B

C

D

Supply liquid line

Netshelter SX bolt-down kit

Lockwashers

Bolts

Brackets

Washers

Nylon push mounts

Wire ties

Insulation (pipe clamps)

Qty

4

4

4

4

1

1

1

4

3

2

InRow RA Technical Data Manual

Exterior components (front)

Item

1

2

3

4

5

6

7

Description

CoolView display

Removable front door

Front casters (swiveling)

Rear casters (non-swiveling)

Adjustable leveling foot

Removable lower side panel

Removable upper side panel

:

;

<

=

Item Description

8

9

Removable rear door

Upper side panel latch

Supply liquid connection

Return vapor connection

Secondary power connection

>

Low voltage wiring input

Primary power connection

InRow RA Technical Data Manual 9

Interior components (rear view)

Item

1

2

3

4

5

Note: Some parts, frame and side structure have been removed from this illustration for clarity.

Description

Electronic expansion valve (EEV)

Pressure sensor

Solenoid valve

Service port Schrader valve

Liquid supply in

Item

6

7

8

9

Description

Return vapor out

Evaporator pressure regulator (EPR)

Cooling coil

Fan

10 InRow RA Technical Data Manual

Electrical panel

Item Description

1

Remote temperature sensor port

2

3

Configuration RS-232 port

USB

4

5

Form C and shutdown input

Control RS-485 port

Item Description

6

Modbus RS-485 port

7

8

Network port

Reset button

9

A-Link port

InRow RA Technical Data Manual 11

914 mm (3 ft) stainless steel flex pipe kit - ACAC21007

Item Description

1

Teflon ring, 1.25 in

2

Hose, 1 in OD, 914 mm (3 ft)

Qty

2

1

Item Description

3

Hose, 1.25 in OD, 914 mm (3 ft)

4

Teflon ring, 1.75 in

1828 mm (6 ft) stainless steel flex pipe kit - ACAC21008

Qty

1

2

Item

Description

1

Teflon ring, 1.25 in

2

Hose, 1 in OD, 1828 mm (6 ft)

Qty

2

1

Item

Description

3

Hose, 1.25 in OD, 1828 mm (6 ft)

4

Teflon ring, 1.75 in

Qty

1

2

12 InRow RA Technical Data Manual

1372 mm (4.5 ft) stainless steel flex pipe kit - ACAC21009

Item Description

1

Teflon ring, 1.25 in

2

Hose, 1 in ID, 1372 mm (4.5 ft)

R134a connection kit - ACAC21010

Qty

2

1

Item Description

3

Hose, 1.25 in ID, 1372 mm (4.5 ft)

4

Teflon ring, 1.75 in

Qty

1

2

Item Description

1

Teflon ring, 1.75 in

2

Teflon ring, 1.25 in

3

Liquid inlet assembly, female

Qty

2

2

1

Item Description

4

Gas outlet assembly, female

5

Gas outlet assembly, male

6

Liquid inlet assembly, male

Qty

1

1

1

InRow RA Technical Data Manual 13

SX to VX height adapter - ACAC10003

SX to 48U SX height adapter ACAC10007

Note: Dimensions are shown in mm (in).

14 InRow RA Technical Data Manual

Top Piping and Power Access Locations

133 (5.3)

124 (4.9)

57 (2.2)

130 (5.1)

59 (2.3)

80 (3.2)

141 (5.6)

Item Description

1

Low voltage wiring input

2

Primary electrical input

3

Secondary electrical input

4

Return vapor line

5

Supply liquid line

Bottom Power Access Locations

Viewed from bottom looking up.

Item Description

1

Secondary electrical input

2

Primary electrical input

3

Low voltage wiring input

158

(6.2)

164

(6.5)

InRow RA Technical Data Manual 15

Determining Cooling Capacity

How to Determine Capacity of the InRow RA

Cooling Unit

IT equipment requires two acceptable limits in order for effective cooling to occur. These parameters are inlet air temperature and flow rate of air through the IT equipment. It is entirely possible, though undesirable, to design a computer room with enough heat removal capacity but with an inadequate volumetric flow rate of cool air supply. When this condition exists, IT equipment will be subjected to excessively high operating temperatures on a localized basis due to recirculation, and cooling equipment will operate at less than optimal efficiency. APC provides the necessary data to prevent this undesirable situation. The first table, titled “Recommended Capacity Limitations,” shows the capacity limits based on air flow of the InRow RA. The following tables, titled “Performance Specifications”, show the recommended maximum amount of load that should be placed upon the cooling unit solely based on heat removal capability. The lesser of the two capacity numbers obtained from the “Recommended Capacity Limitations” table and “Performance Specification” table should be considered the maximum load capable of being served by the InRow RA. A definition of the terms in these tables follows:

IT equipment air flow (l/s/kW) (cfm/kW)

The average cooling air flow rate demanded by IT equipment in liters per second (cubic feet per minute) divided by the total actual power dissipation of IT equipment in kilowatts.

Recommended capacity limit (kW)

The corresponding maximum load in kilowatts capable of being served by the cooling unit solely based on conservation of volumetric air flow.

DB (°F and °C)

The dry bulb temperature in degrees Fahrenheit and Celsius of the return air stream to the cooling unit.

WB (°F and °C)

The wet bulb temperature in degrees Fahrenheit and Celsius of the return air stream to the cooling unit.

CW delta T (°F and °C)

The difference in temperature in degrees Fahrenheit between chilled water entering and exiting the cooling unit.

Sensible net capacity (BTU/hr and kW)

The sensible net heat removal capacity of fan heat, of the cooling unit at stated operating conditions.

Total net capacity (BTU/hr and kW)

The total (sensible + latent) net heat removal capacity of fan heat, of the cooling unit at stated operating conditions.

16 InRow RA Technical Data Manual

Recommended Capacity Limitations

ACRA100

IT Equipment

T

°C (°F)

11.0 (19.8)

11.3 (20.4)

11.7 (21.1)

12.1 (21.8)

12.5 (22.6)

13.0 (23.4)

13.5 (24.3)

14.1 (25.3)

14.6 (26.4)

15.3 (27.5)

15.9 (28.7)

ACRA101

IT Equipment Air Flow l/s per kW (cfm/kW)

75.5 (160)

73.2 (155)

70.8 (150)

68.4 (145)

66.1 (140)

63.7 (135)

61.4 (130)

59.0 (125)

56.6 (120)

54.3 (115)

51.9 (110)

19.0

19.6

20.4

21.2

22.0

22.9

23.9

25.0

Recommended Capacity Limit

100 V 110 V 120 V kW

17.2

17.7

18.3

kW

18.7

19.3

20.0

kW

20.2

20.8

21.5

20.6

21.4

22.2

23.0

24.0

25.0

26.0

27.2

22.2

23.0

23.9

24.8

25.8

26.9

28.1

29.3

IT Equipment

T

°C (°F)

11.0 (19.8)

11.3 (20.4)

11.7 (21.1)

12.1 (21.8)

12.5 (22.6)

13.0 (23.4)

13.5 (24.3)

14.1 (25.3)

14.6 (26.4)

15.3 (27.5)

15.9 (28.7)

IT Equipment Air Flow l/s per kW (cfm/kW)

75.5 (160)

73.2 (155)

70.8 (150)

68.4 (145)

66.1 (140)

63.7 (135)

61.4 (130)

59.0 (125)

56.6 (120)

54.3 (115)

51.9 (110)

19.5

20.2

21.0

21.8

22.7

23.7

24.8

200 V kW

17.0

17.6

18.2

18.8

20.2

20.9

21.7

22.6

23.6

24.6

25.7

Recommended Capacity Limit

208 V 220 V 230 V kW

17.7

kW

18.6

kW

19.3

18.2

18.8

19.5

19.2

19.8

20.5

19.9

20.6

21.3

21.2

22.0

22.9

23.8

24.8

25.8

27.0

22.1

22.9

23.8

24.7

25.8

26.9

28.8

22.9

23.7

24.6

25.6

26.7

27.8

29.1

240 V kW

20.0

20.6

21.3

22.1

InRow RA Technical Data Manual 17

Performance Specification 14.4°C(58°F) Evap Temperature

Return Air conditions

°C (°F)

ACRA100 Sensible Capacity*

KW(BTU/hr)

ACRA101Sensible

Capacity**

KW(BTU/hr)

26.7 DB, 17.1 WB(80 DB,62.8 WB)

15.2 (51800) 15.0 (51400)

29.4 DB, 18.1 WB(85 DB,64.6 WB)

19.2 (65600) 19.1 (65100)

32.2 DB, 19.0 WB(90 DB,66.2 WB)

22.6 (77100) 22.4 (76500)

35.0 DB, 19.9 WB(95 DB,67.8 WB)

25.5 (87200) 25.3 (86500)

37.8 DB, 20.7 WB(100 DB,69.3 WB)

28.9 (98800) 28.7 (98100)

40.6 DB, 21.6 WB(105 DB,70.8 WB)

31.4 (107200) 31.2 (106400)

Note: * All values are accurate to +/- 1 kW (3415 BTU/hr) and based on full airflow of 1520 l/s (3220CFM at 120V/60Hz)

Note: ** All values are accurate to +/- 1 kW (3415 BTU/hr) and based on full airflow of 1510 l/s (3200 CFM at 240V/60Hz)

Note: Dewpoint must be 13.3°C (56°F) Or lower to achieve conditions listed in table.

Note: Sensible Heat Ratio = 1

18 InRow RA Technical Data Manual

Performance Specifications

Performance at Percentage of Fan Speed

SKU: ACRA100

% Fan Speed L/s (SCFM)

Unit Power

(Watts)

Net Sensible

Capacity kW (BTU/h)

Return Air Condition = 29.4º C DB, 18.1º C WB (85º F DB, 64.6º F WB)

40

50

60

70

79*

80

88*

90

630.2 (1335)

752.0 (1593)

943.7 (1999)

1142.6 (2421)

1298.0 (2750)

1317.0 (2790)

1413.0 (2994)

1469.7 (3114)

98

154

252

391

559

543

763

681

8.6 (29400)

10.1 (34300)

12.3 (42100)

14.7 (50200)

16.5 (56500)

16.8 (57200)

17.9 (61100)

18.6 (63400)

100 1520.0 (3220) 833 19.2 (65600)

Return Air Condition = 35.0º C DB, 19.9º C WB (95º F DB, 67.8º F WB)

40

50

60

70

79*

80

88*

90

630.2 (1335)

752.0 (1593)

943.7 (1999)

1142.6 (2421)

1298.0 (2750)

1317.0 (2790)

1413.0 (2994)

1469.7 (3114)

98

154

252

391

559

543

763

681

11.4 (38800)

13.3 (45400)

16.3 (55800)

19.5 (66600)

22.0 (75000)

22.3 (76000)

23.8 (81300)

24.7 (84300)

100 1520.0 (3220) 833 25.5 (87200)

Return Air Condition = 40.6º C DB, 21.6º C WB (105ºF DB, 70.8º F WB)

40

50

60

70

79*

80

88*

90

100

*See voltage derate table.

630.2 (1335)

752.0 (1593)

943.7 (1999)

1142.6 (2421)

1298.0 (2750)

1317.0 (2790)

1413.0 (2994)

1469.7 (3114)

1520.0 (3220)

559

543

763

681

833

98

154

252

391

15.3 (52300)

17.5 (59800)

21.0 (71600)

24.5 (83800)

27.3 (93400)

27.7 (94500)

29.4 (100400)

30.4 (103900)

31.4 (107200)

Voltage Derate Table

SKU: ACRA100

Input Voltage (V)

Max Fan Speed (%)

120

100

110

88

100

79

SA Temp ºC

(ºF)

18.1 (64.7)

18.4 (65.1)

18.6 (65.6)

18.8 (65.9)

18.9 (66.0)

18.9 (66.1)

19.0 (66.2)

19.0 (66.2)

19.0 (66.2)

20.2 (68.3)

20.4 (68.8)

20.7 (69.3)

20.9 (69.7)

21.1 (70.0)

21.1 (70.0)

21.1 (70.0)

21.2 (70.1)

21.2 (70.1)

20.6 (69.1)

21.4 (70.6)

22.3 (72.2)

22.9 (73.2)

23.3 (73.9)

23.3 (73.9)

23.5 (74.3)

23.5 (74.3)

23.6 (74.5)

InRow RA Technical Data Manual 19

20

Performance at Percentage of Fan Speed

SKU: ACRA101

% Fan Speed L/s (SCFM)

Unit Power

(Watts)

Net Sensible Capacity kW

(BTU/h)

Return Air Condition = 29.4º C DB, 18.1º C WB (85º F DB, 64.6º F WB)

78*

80

81*

85*

40

50

60

70

88*

90

100

643.9 (1364)

757.3 (1604)

954.2 (2022)

1150.0 (2437)

1286.5 (2726)

1319.7 (2796)

1334.2 (2827)

1402.1 (2971)

1458.7 (3090)

1477.9 (3131)

1510.4 (3200)

96

163

258

391

506

543

555

632

702

727

770

Return Air Condition = 35.0º C DB, 19.9º C WB (95º F DB, 67.8º F WB)

8.8 (29963)

10.1 (34600)

12.5 (42500)

14.8 (50500)

16.4 (56000)

16.8 (57300)

17.0 (57900)

17.8 (60700)

18.4 (63000)

18.7 (63800)

19.1 (65100)

78*

80

81*

85*

40

50

60

70

88*

90

643.9 (1364)

757.3 (1604)

954.2 (2022)

1150.0 (2437)

1286.5 (2726)

1319.7 (2796)

1334.2 (2827)

1402.1 (2971)

1458.7 (3090)

1477.9 (3131)

96

163

258

391

506

543

555

632

702

727

11.6 (39523)

13.4 (45700)

16.5 (56400)

19.6 (67000)

21.8 (74400)

22.3 (76200)

22.5 (77000)

23.6 (80700)

24.5 (83700)

24.8 (84800)

100 1510.4 (3200) 770 25.3 (86500)

Return Air Condition = 40.6º C DB, 21.6º C WB (105ºF DB, 70.8º F WB)

78*

80

81*

85*

40

50

60

70

88*

90

100

*See voltage derate table.

643.9 (1364)

757.3 (1604)

954.2 (2022)

1150.0 (2437)

1286.5 (2726)

1319.7 (2796)

1334.2 (2827)

1402.1 (2971)

1458.7 (3090)

1477.9 (3131)

1510.4 (3200)

96

163

258

391

506

543

555

632

702

727

770

15.6 (53135)

17.6 (60100)

21.1 (72200)

24.7 (84300)

27.1 (92700)

27.7 (94700)

28.0 (95600)

29.2 (99800)

30.2 (103200)

30.6 (104400)

31.2 (106400)

Voltage Derate Table

SKU: ACRA101

Input Voltage (V)

Max Fan Speed (%)

240

100

230

88

220

85

208

81

200

78

SA Temp ºC

(ºF)

18.2 (64.7)

18.4 (65.1)

18.6 (65.6)

18.8 (65.9)

18.9 (66.0)

18.9 (66.0)

18.9 (66.0)

19.0 (66.2)

19.0 (66.2)

19.0 (66.2)

19.0 (66.2)

20.2 (68.4)

20.5 (68.8)

20.8 (69.4)

21.0 (69.7)

21.1 (69.9)

21.1 (69.9)

21.1 (69.9)

21.1 (69.9)

21.2 (70.1)

21.2 (70.1)

21.2 (70.1)

20.7 (69.3)

21.5 (70.6)

22.3 (72.2)

22.9 (73.3)

23.2 (73.8)

23.3 (74.0)

23.3 (74.0)

23.4 (74.2)

23.5?74.4)

23.6 (74.5)

23.6 (74.5)

InRow RA Technical Data Manual

General Data

General Specifications

MODEL

AIR SYSTEM - FAN (Standard Filter Installed)

Size - mm (in)

Air Volume - l/s (SCFM)

Fan Motor - W (HP) each

Number of fans

COOLING COIL - COPPER TUBE/ALUMINUM FIN

Face Area - m² (ft²)

FILTERS - WASHABLE - STANDARD

Quantity

Size - mm (in)

Depth - mm (in)

Efficiency (%)

ACRA100 Series

1519.7 (3220)*

160 (0.22)

250 (9.8)

5

ACRA101 Series

0.84 (9.04)

1510 (3200)**

170 (0.24)

2

238 X 933 (9.375 X 36.75)

13 (1/2)

<20% MERV 1

PHYSICAL DATA - NET

Weight - kg (lbs)

152 (335) 160 (353)

Height - mm (in)

Width - mm (in)

1991 (78.39)

300 (11.8)

Depth - mm (in)

1070 (42.13)

PHYSICAL DATA - SHIPPING

Weight - kg (lbs)

194 (428) 202 (446)

Height - mm (in)

Width - mm (in)

2156 (84.88)

879 (34.61)

Depth - mm (in)

1137 (44.76)

CONNECTION SIZES - LIQUID

Supply liquid

1-1/4-in - 12 threaded ring seal

Return vapor

1 3/4-in - 12 threaded ring seal

REFRIGERANT

Type

Charge - kg (lb)

R-134a

3.1 (6.9)

ELECTRICAL

Input Power Range

100-120V/1~/50/60 Hz 200-240V/1~/50/60 Hz

Note: Maximum distance between the RDU and the farthest cooling module is 24.4 equivalent meters (80 equivalent feet).

* Voltage derate

Maximum Airflow at 120V = 1519.7 l/s (3220 CFM)

Maximum Airflow at 110V = 1413 l/s (2994 CFM)

Maximum Airflow at 100V = 1298 l/a (2750 CFM)

**Voltage derate

Maximum Airflow at 240V = 1510 l/s (3200 CFM)

Maximum Airflow at 230V = 1459 l/s (3090 CFM)

Maximum Airflow at 220V = 1402 l/a (2971 CFM)

Maximum Airflow at 208V = 1334 l/s (2827 CFM)

Maximum Airflow at 200V = 1286 l/a (2726 CFM)

InRow RA Technical Data Manual 21

Altitude Correction Factors

Room Condition: 72F DB / 50%RH

Altitude m (ft)

Specific

Volume m³/g

(ft³/lb)

0

8.48

(13.58)

305

(1,000)

610

(2,000)

915

(3,000)

8.80

(14.09)

9.13

(14.62)

9.48

(15.18)

1,219

(4,000)

9.84

(15.76)

1,524

(5,000)

10.21

(16.36)

1,829

(6,000)

10.61

(17.00)

2,134

(7,000)

2,438

(8,000)

2,743

(9,000)

11.03

(17.67)

11.47

(18.37)

11.93

(19.11)

3,048

(10,000)

12.42

(19.89)

Density g/m³

(lb/ft³)

118.54

(0.074)

Density

Ratio

1

113.73

(0.071)

108.93

(0.068)

105.72

(0.066)

100.92

(0.063)

0.964

0.929

0.895

0.862

97.71

(0.061)

0.83

94.51

(0.059)

91.31

(0.057)

86.50

(0.054)

83.30

(0.052)

0.799

0.769

0.739

0.711

Capacity

Correction

1 0.981

0.962

0.933

0.913

0.884

0.865

0.846

0.826

0.807

Density ratio is used for air flow correction factor.

Capacity correction is used to derate performance

80.09

(0.05)

0.683

0.787

22 InRow RA Technical Data Manual

Sound Performance Data - ACRA100

Fan Speed % Fan RPM Airflow L/s(SCFM)

Average Lp Sound

Pressure dB re: 20 µPa dBA

40

50

60

70

1274

1478

1808

2122

630.2 (1335)

752.0 (1593)

943.7 (1999)

1142.6 (2421)

79*

80

88*

2319

2411

2560

1298.0 (2750)

1317.0 (2790)

1413.0 (2994)

90 2684 1469.7 (3114)

100 2769 1522.7 (3220)

Note: Sound tested at 1.8 m (5.9 ft) distance from the unit and 1 m (3.3 ft) height from the floor.

*See above voltage derate table.

56.4

62.3

67.8

71.7

72.9

74.4

74.7

76.2

76.8

Sound Performance Data - ACRA101

Fan Speed %

70

78*

80

40

50

60

Fan RPM Airflow L/s(SCFM)

88*

90

100

Note: Sound tested at 1.8 m (5.9 ft) distance from the unit and 1 m (3.3 ft) height from the floor.

*See above voltage derate table.

Average Lp Sound

Pressure dB re: 20 µPa dBA

55.9

63.1

68.1

72.2

74.4

75.5

75.5

76.7

77.0

78.0

78.5

InRow RA Technical Data Manual 23

SKU

ACRA100 100-120V / 1~ / 50/60 Hz

Electrical Data

Power

(Watts)

833

MCA

N/A

MOP

20A

Plug Type

NEMA L5-20P

ACRA101 200-240V / 1~ / 50/60 Hz

770 N/A 20A

IEC-309 16/20A

Note: Above data is based on maximum operating condition.

Note: Installation must comply with local and/or national electrical codes.

24 InRow RA Technical Data Manual

Weights and Dimensions

Model

ACRA100

ACRA101

Packed weight

194 kg (428 lb)

202 kg (446 lb)

Unpacked weight

152 kg (335 lb)

160 kg (353 lb)

Note:

For piping weights and dimension, see the RDU Technical

Data Manual.

Dimensions are shown in mm (in).

Service access

A minimum 914 mm (36 in) of clear floor space in front of and behind the equipment is recommended for service.

All required periodic maintenance can be performed from the front or rear of the equipment.

Use the casters on the equipment to move it outside the data center for service. A minimum of 1200 mm (48 in) of clear floor space in front of or behind the equipment is recommended to roll out the equipment.

Free space needed to move equipment outside the row

Service access when equipment is inside the row

Dimensions are shown in mm (in).

Note: Check local and national codes and regulations for additional service access requirements.

InRow RA Technical Data Manual 25

Piping and Mechanical Connections

Internal Piping

7/8'’

ACR

1 1/8'’

ACR

Item

Description

1

Fan

2

Micro-channel coil

3

Return vapor temperature sensor

4

Refrigerant vapor pressure sensor

5

Evaporator pressure regulator (EPR)

6

Service port

7

Threaded ring seal adapter

Item

Description

8

Return air temperature sensors

9

Solenoid valve

:

Refrigerant liquid pressure sensor

;

Supply liquid temperature sensor

<

Electronic expansion valve (EEV)

=

Remote rack inlet temperature sensor

>

Supply air temperature sensors

26 InRow RA Technical Data Manual

External Piping

RDU

InRow RA

Valve

Strainer

Liquid Out

Vapor In

InRow RA Technical Data Manual 27

Guide Specifications

PART 1 — GENERAL

1.01

SUMMARY

A. The environmental control system shall be designed specifically for precision temperature control applications. It will automatically monitor and control cooling and filtering functions for the conditioned space. The system shall be built to the highest quality engineering and manufacturing standards, and shall be floor mounted and configured for horizontal airflow, with draw-through air pattern, to provide uniform air distribution over the entire face of the coil.

1.02

DESIGN REQUIREMENTS

A. The system shall be as described in the following specification as manufactured by APC.

1 . Model: ____________________________.

2 . Total net cooling capacity: _______________ kW (MBH).

3 . Sensible net cooling capacity: ____________ kW (MBH).

4 . Return air dry bulb temperature: _______________ º C (º F) DB.

5 . Return air wet bulb temperature: _______________ º C (º F) WB.

6 . Air Volume: _______________________ L/s (CFM).

7 . Electrical supply: ________ V, _________ Hz.

1.03

SUBMITTALS

A. Submittals shall be provided with the proposal and shall include: capacity data, electrical data, physical data, electrical connection drawing, and piping connection drawing.

1.04

QUALITY ASSURANCE

A. The system shall be completely factory-tested prior to shipment. Testing shall include, but not be limited to: complete pressure and leak testing to ensure system integrity, “Hi-Pot” test, and controls calibration and settings. Each system shall ship with a completed test report to verify completion of factory testing procedure. The system shall be NTRL listed, MCA, and electrical system shall be UL Listed to UL 1995 and CSA 22.2 No. 236.

28 InRow RA Technical Data Manual

1.05

STANDARD COMPONENTS

A. CABINET CONSTRUCTION

1 . Exterior panels shall be 18 gauge metal with 80 kg/m3 (5 lb/ft3) density foam insulation.

Insulation complies with UL94-5VA ASTM E84 flame spread and smoke developed rating of

25/50. Front and rear exterior panels shall be 18 gauge perforated steel with 69.5% open free area, and equipped with a keyed lock to provide a means of securing access to the internal components of the unit.

2 . The frame shall be constructed of 16 gauge formed steel welded for maximum strength. All units shall provide full service from the front and rear, allowing units to be placed within a row of racks.

3 . All exterior panels and frame shall be powder coated for durability and attractive finish.

Exterior frame and panel color shall have color values: L = 74.50, a = -.53, b = +8.20.

4 . Units shall include casters and leveling feet to allow ease of installation in the row and provide a means to level the equipment with adjacent IT racks.

B. VARIABLE SPEED DIRECT DRIVE MIXED FLOW AC FAN ASSEMBLY

1 . Fan: The unit shall be configured for draw-through air pattern to provide uniform air flow over the entire face of the coil. Each unit shall include five 250 mm mixed flow direct drive AC axial fans. For the ACRA100, each fan assembly should be designed to provide 644

CFM (304 l/s) for total unit airflow of 3220 CFM (1520 l/s). For the ACRA101, each fan assembly should be designed to provide 640 CFM (302 l/s) for total unit airflow of 3200 CFM

(1510.2 l/s).

2 . Variable Speed Fans: Fans shall be variable speed capable of modulating from 60% to 100%.

Fans shall soft-start to minimize in-rush current when starting.

3 . Fan Protection: Each fan assembly shall consist of a plastic injection molded bezel with integral fan inlet/outlet cage type finger guard.

4 . Operation and Service: The unit should be capable of operation in the event of a single fan failure. Fans shall be replaceable while the unit is in operation.

C. MICROPROCESSOR CONTROLLER

1 . Monitoring and Configuration: The master display shall allow monitoring and control of the air conditioning unit through a menu-based control. Functions include status reporting and on/ off control of the unit. Four LEDs report the operational status of the connected air conditioning unit.

InRow RA Technical Data Manual 29

2 . Alarms: The microprocessor controller shall activate a visible alarm in the occurrence of the following events: a.

Air filter service interval expired b. Evaporative temperature below dewpoint c.

Individual fan fault d. Group communication fault e.

Liquid inlet pressure sensor fault f.

Liquid temperature sensor fault g. Primary/secondary power source failure h. Primary/secondary power source overvoltage i.

Rack temperature sensor fault j.

Rack temperature high violation k. RDU communications fault l.

Return air high temperature violation m. Individual return air temperature sensor fault n. Supply air high temperature violation o. Individual supply air temperature sensor fault p. Unit in maintenance mode q. Unit ID needs configuration r.

Unit personality not configured s.

Vapor outlet pressure sensor failure t.

Vapor temperature sensor fault

30 InRow RA Technical Data Manual

D. COOLING COIL

1 . Cooling coil shall be an aluminum micro-channel heat exchanger. Coil end supports shall be a minimum 16 gauge galvanized steel. Coil shall be rated for a maximum pressure of 200 psig

(2757.9 kPa).

2 . Connections shall be 1-1/4” - 12 rotolok for supply and 1-3/4” - 12 rotolok for return.

E. WASHABLE FILTERS

The standard air filter shall be <20% efficient per ASHRAE 52.1, MERV 1 per ASHRAE 52.2, 1/

2-in washable mesh filter.

F.

REMOTE TEMPERATURE SENSOR

Remote temperature sensor shall ship with the unit for placement in the field to provide control input based on rack inlet temperature.

1.06

ELECTRICAL REQUIREMENTS

A. POWER INPUT

1 . Each cooling unit shall be either 100-120V-1ph-50/60Hz (ACRA100) or 200-240V-1ph-50/

60Hz (ACRA101).

2 . Each cooling unit is supplied with two of the appropriate power cords based on the model.

3 . The power feed shall automatically switch from primary to secondary source in the event of a power failure.

PART 2 — INSTALLATION

The ACRA unit will provide years of trouble-free service when installed and maintained by technically qualified personnel. For more detailed information, see the ACRA installation manual

(990-3687)

.

PART 3 — STARTUP

3.01

(REFER TO OPERATION / MAINTENANCE MANUALS FOR COMPLETE INSTRUCTIONS)

A. STARTUP

1 . Startup the air conditioning units in accordance with the manufacturer's startup instructions.

2 . Test controls to demonstrate compliance with requirements.

InRow RA Technical Data Manual 31

Guidelines for Installation

The InRow RA uses cooled refrigerant to provide low temperature air which achieves reliable, accurate temperature control of computer rooms, laboratories, and other environments that require close tolerance control. The unit incorporates the latest system design innovations to provide you with optimum efficiency, reliability, and accuracy of control.

The InRow RA unit will provide years of trouble-free service when installed and maintained by technically qualified personnel. For more detailed information, see the appropriate InRow RA

Installation manual.

Room preparation

During the design of the room, consideration should be given to the following factors: ease of entry for the system, floor-loading factors, and accessibility of piping and wiring.

The room must be sealed with a vapor barrier to minimize moisture infiltration. Polyethylene film

(plastic sheeting) is a good vapor barrier for ceiling and wall applications. Rubber- or plastic-based paints should be applied to concrete floors and walls. The room should be thoroughly insulated to minimize thermal loads and make-up air (if required) should be preconditioned to reduce additional temperature, filtration, and moisture loads.

Service access

A minimum 914 mm (36 in) of clear floor space in front of and behind the equipment shall be provided for service. All required periodic maintenance shall be performed from the front or rear of the equipment.

Receiving the unit

Your InRow RA has been completely tested and inspected prior to shipment. To ensure that you have received the unit in excellent condition, perform a careful inspection of the crating and the unit immediately upon receipt. Verify that all parts ordered were received as specified. Report any damage discovered to the freight carrier. If necessary, contact the APC field service department for help in repairing or replacing damaged parts. While APC is not responsible for damage incurred in transit, we want to make sure that you have no undue delays in your system start-up. See the unpacking sheet and installation manual for more information.

Rigging

As with all electrical and mechanical equipment, you must take care with proper rigging of your unit. Do not use piping for lifting or moving. When using a forklift to move the unit, use the shipping skid to protect the bottom of the unit. Four threaded 3/8” X 16 holes are provided in the top of the frame to accommodate lifting eye bolts that can be utilized to lift the unit.

Data center room volume requirements

Ensure the data center has sufficient interior volume to allow personnel to respond to any potential exposure to refrigerant (approximately 13 pounds per 1,000 ft3 in accordance with ASHRAE Standard

34-2007).

32 InRow RA Technical Data Manual

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.

www.apc.com/support/

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.

© 2011 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.

990-3689-001 6/2011

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