APC IN ROW RD ACRD101 Service Manual download pdf (Page 10)

InRow RD Technical Data Manual4

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. The front and rear exterior

panels are constructed of 18 gauge

perforated steel with 69.5% open free

area. All panels, which include a key

latch for safety and security, allow

easy access and removal. Insulation

(ACRD100 and ACRD200 series

only) is 80.1 kg/m

(5 lb/ft

)

density

and complies with ASTM E84 rating

of 25/50.

Shutdown Input/Alarm

Output

The unit provides one field connec-

tion input for remote shutdown and

one field connection alarm output.

Variable Speed Fans

Each unit is equipped with variable

speed fans to allow for varying heat

loads. In order to provide uniform

airflow over the cooling coil, the fans

provide a draw-through air pattern.

The ACRD100 and ACRD200 series

units are equipped with six direct

drive fan modules. These fans are

easily replaceable while the unit is in

operation. The ACRD500 series is

equipped with two backward

inclined, direct drive fans.

Bay Kit-InRow RD/

NetShelter SX

Baying kits made of 16 gauge steel

enable baying the InRow RD to APC

NetShelter enclosures.

Counterflow Cooling Coil/

Condensate Pan

Designed for high sensible heat

ratios, the coil is constructed with

copper tubes, raised lance type alu-

minum fins, and 18 gauge galvanized

steel end plates. Coil headers are

equipped with anti-drip shields in the

event of condensation. The conden-

sate pan is thermal formed non-

ferrous material, and is sloped for

positive drainage to provide higher

indoor air quality.

Filters

Filtration of conditioned air is

extremely vital to maintaining the

clean, particle-free environment

required by electrical equipment. Fil-

ters are easily replaceable from the

rear of the unit. The ACRD100 and

200 series systems use greater-than

20% efficiency ASHRAE 52.1, 12.7

mm (1/2 in) washable filters that

meet HF-1 standards for electronics

(MERV 1 per ASHRAE 52.2). The

ACRD500 series system uses a 30%

efficient, 102 mm (4 in), deep load-

ing, pleated filter (MERV 8 per

ASHRAE 52.2, EN779 G4).

Selectable Top or Bottom

Piping Connections

The unit includes both top and bot-

tom piping connections. All

ACRD100 and ACRD500 series con-

nections utilize Roto-Lok fittings for

ease of installation and service. The

ACRD200 series uses union

connectors.

Network Management Card

The Network Management Card

(NMC) allows communication with

the Local Area Network (LAN). In

addition, the NMC permits multi-

level access to monitoring, control,

and event notification features over

the building network.

Condensate Pump

ACRD100 and ACRD200 series:

Two pumps are factory wired and

piped (in parallel) internally to the

condensate drain pan. Acting

together, the pumps are capable of

pumping 9.8 l/hr (2.6 g/hr) against

head pressures of up to 50 ft (15.2 m)

of total run. Of that run, 16 ft (4.9 m)

can be vertical lift as measured from

floor level. Dual floats are included

with the unit. One float is used for

condensate pump control, and the

other float generates a condensate

pump failure alarm. The InRow RD

can be set to either continue running

in an alarm condition or shut down to

prevent condensate pan overflow.

ACRD500 series:

The single condensate pump is fac-

tory wired and piped internally to the

condensate drain pan. The pump is

capable of pumping a maximum of

18 m (60 ft) at 32 l/h (8.45 g/hr),

which may include a maximum lift of

3.5 m (11.5 ft) as measured from

floor level. Dual floats are included

with the unit. One float is used for

condensate pump control, and the

other float generates a condensate

pump failure alarm to prevent

condensate pan overflow.

Remote Temperature

Sensors

To control the unit based on rack inlet

temperature, remote temperature sen-

sors are provided. The ACRD100

and ACRD200 series units come

equipped with one temperature sen-

sor, and the ACRD500 series units

come equipped with three. These

sensors measure temperature at a

point 4 m (13 ft) from the connection

inside the InRow RD unit. These sen-

sors are used for remote placement in

the field on an adjacent IT rack.

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APC IN ROW RD ACRD101 Service Manual Page 10

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