Bard W38A1 User Manual download pdf (Page 9)

Air

Conditioning

Walt-Mount

Model

Nomenclature

W

SERIES

I—J

NOMINAL

CAPACITY

38

- 3 Ton

49-4Ton

61 - 5 Ton

VOLTS

&

PHASE

|

A

-

230/208/60/1

B

-

230/208/60/3

C-

460/60/3

CD

For

OKW

and

circuit

breakers

(230/208

Vott)

or

pull

disconnects

(460

Volt)

applications,

insert

OZ

in the

KW

field

of

the

model number.

1Q

X

KW«

VENTILATION

OPTIONS

(See

Table

Below)

FILTER

OPTIONS

X-1-1

nch

Fiberglass

(MERV

2)

H

-

2-Inch

Pleated

(MERV

8)

P

-

2-Inch Pleated

(MERV

6)

W-1-Inch

Washable

COLOR

OPTIONS

X

-

Beige (Standard)

1

-

White

4 -

Buckeye

Gray

5

-

Desert Brown

8

-

Dark

Bronze

A

-

Aluminum

S

-

Stainless

Steel

X X

1

H

CONTROL

MODULES

(See

Chart

Below)

I—I

COM.

OPTIONS

X

-

Standard

1 -

Phenolic

Coated

Evaporator

2

-

Phenolic

Coated

Condenser

3

•

Phenolic Coaled Evaporator

and

Condenser

|

OUTLET OPTIONS

X

-

Front (Standard)

Ventilation

Options

Modal*

W38A1.W49A1.W81A1

Description

Barometric

Fresh Air

Damper

-

Standard

Blank-Off

Plate

Motorized

Fresh

Air

Damper

Commercial

Ventilator

-

Spring

Return

w/E*Bust

Commercial

Ventilator

-

Power

Return

w/E*iaust

Economizer

-

Fuly

Modulating

0)

Economizer

-

Fully

Modulating

(DO!

Energy

Recovery

Ventilator

-

230

Volt

Energy

Recovery

Ventilator

- 460

VoH

Door

Kit for

ERVF

(Required

for

Field

hstafcrion)

Factory

Installed

Code

No.

X

B

M

V

P

E

0

R

R

N/A

Field

Installed

Part

No.

BFAD-5

BOP-5

MFAD-S

CRVS-5

CRVP-5

EFM-5C

N/A

ERVF-A5

<3>®

ERVF-C5

®S>

WMDK5-*

0>

Low

ambient control

is

required

with

economizer

tor lew

temperature compressor operation.

O>

For

use

only

with"

V

Control Module

and

TCS24

Controller.

<J

Intake

and

exhaust

can be

Independently

adjusted.

HI

WMDKS

must

be

ordered

for field

installed

ERVF.

Color

option

must

be

specified

to

match

unit.

Air

Conditioning

Control

Modules

AVAILABLE

CONTROL

OPTIONS

HPC<P

STD

STD

STD

STD

STD

STD

STD

STD

LPC

a

STD

STD

STD

STD

STD

STD

STD

STD

CCM®

STD

STD

STD

STD

STD

STD

STD

STD

LAC

a

•

•

•

ALR®

•

•

SK<5>

STD

STD

STD

STD

STD

STD

STD

STD

DOT'S

•

DDC®

•

•

W3BA1,W48A1,W«1A1

Factory

Installed

Code

X

E

J

Fiskt

totaled

Only

Field

Inslalea

Qnfy

Field

msaled

On^

V

»

Field

Insisted

Only

FMd

Instated

Part

N/A

CMA-28

Factory

Only

SK111

<B

W38A1-A.

W49A1-A

SK113

®

W81A1-A

CMA-14

Factory

Only

CMA-24

STD

=

Standard

equipment

for

these

specified

models.

0>

HPC

High pressure control

is

auto

reset

Always

used with compressor control module

(CCM)

which

is

included.

See

note

<3>.

O LPC Low

pressure

control

is

auto reset.

Always

used with compressor control module (CCM) which

is

included.

See

note

<$.

0>

CCM

Compressor control module

has

adjustable

30-second

to

5-mlnute

delay-on-break

timer.

On

initial

power-up,

or any time the

power

is

Interrupted,

the

delay-

on-make

win

be 2

minutes plus

10% of the

oSetey-on-break

setting. There

is no

dalay-on-make

during

routine operation

of the

unit.

The

module also provides

the

lockout

feature

(with

1

retry)

for

high

and/or

low-pressure

controls,

and a

2-minute

timed

bypass

for

low-pressure

control.

<S

LAC Low

ambient control permits cooling operation

down

to

O'F.

<S

ALR The

alarm relay

has a set of

normally

open

and

normally closed

dry

contacts

to

provide

the

ability

to

signal

a

condition

of

shutdown

on

either high

or low

pressure controls.

®

SK

PTCR start

kit is

standard with

all

-A

single

phase

models only. Increases

starting

torque 2-3x. Must

be

disconnected

if

SK111

or

SK113

is

used.

Is

not

used

or

available

for

-B

or -C

three phase

models.

IT)

Start capacitor

and

potential

relay

start

kit can

be

used with

al

-A

single

phase models. Increases starting torque

9x. Not

used

for

-B

or

-C

three

phase

models.

Do

not

use

If

CMC-IS

to

used.

Use

SK111

for

W61A1

-A

only.

Use

SK113

for

W38A1-A

and

W49A1-A

only.

®

ODT. Outdoor

thermostat

is

adjustable

from

0 to

50'F.

H is

suitable

for use

as

a

compressor

cutoff

thermostat

®

DOC.

Incorporates

4

additional

sensors: discharge

air

temperature,

indoor blower airflow, compressor current,

and

dirty

fitter.

These sensing devices function

to

input

analog

data

such

as

temperature,

as

well

as

digital

data

such

as

air

flow,

compressor

status

or

filter

status.

«'V*

control module should

be

ordered

in

conjunction

w/direct

digital

controller

{DOC)

model

TCS24.

Refer

to

DDC

specification sheet

S3280

for

more

information.

Form

Ho.

S3412-S11

SufMfMdM

83412-411

Page

11

of

12

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