typical medical equip heat gain

214

HV

AC

DE

SIG

N M

AN

UA

L F

OR

HO

SPIT

AL

S A

ND

CL

INIC

S

C.3

.4Ve

ntil

atio

n L

oads

A

sign

ific

ant

com

pone

nt

of

the

cool

ing

and

heat

ing

load

is

a re

sult

of t

he o

utsi

de a

ir t

hat

has

tobe

bro

ught

in to

ven

tilat

e a

spac

e. M

any

of th

e he

alth

care

fa

cilit

y sp

aces

ha

ve

spec

ific

re

quir

emen

tsre

gard

ing

min

imum

out

side

air

, m

anda

tory

req

uire

-m

ents

reg

ardi

ng t

he r

ate

of e

xhau

st a

ir,

and

man

da-

tory

re

quir

emen

ts

rega

rdin

g th

e pr

essu

rere

latio

nshi

ps

betw

een

room

s.

The

se

requ

irem

ents

mus

tbe

esta

blis

hed

asde

sign

crite

ria

base

dup

onth

e

mos

t di

ffic

ult

fact

or t

o de

term

ine

and

the

leas

t pr

e-ci

se to

cal

cula

te.

The

re a

re t

wo

met

hods

for

cal

cula

ting

the

heat

-in

g/co

olin

g lo

ads

in

thes

e sp

aces

. B

oth

met

hods

mus

t be

app

lied

with

cau

tion

and

mus

t be

bas

ed o

nan

in-

dept

h an

alys

is o

f th

e op

erat

ion

of t

he e

quip

-m

ent i

n th

e sp

ace.

The

Div

ersi

ty F

acto

r M

etho

d

Th

dii

fi

dfi

dh

if

h

Tabl

e C

-1.

Typi

cal M

edic

al E

quip

men

t Hea

t Gai

ns

Equ

ipm

ent T

ype

Peak

Wat

tsA

vera

ge W

atts

Ane

sthe

sia

Syst

em17

716

6

Blo

od W

arm

er20

411

4

Blo

od P

ress

ure

Met

er33

29

Bla

nket

War

mer

504

221

End

osco

pe60

559

6

Ele

ctro

surg

ery

147

109

EC

G/R

ESP

5450

Har

mon

ical

Sca

lpel

6059

Hys

tero

scop

ic P

ump

3534

Las

er S

onic

s25

622

9

Opt

ical

Mic

rosc

ope

6563

Puls

e O

xim

eter

2120

Stre

ss T

read

mill

198

173

X-R

ay (

Port

able

C-A

rm)

534

480

X-R

ay (

GX

-PA

N)

82

X-R

ay (

Port

able

)

18

Vac

uum

Suc

tion

(Por

tabl

e)33

730

2

Ultr

a-So

und

Syst

em10

6310

50

Film

Vie

wer

, 4 b

ank

0.3-

0.6

kW

Ang

iogr

aphi

c In

ject

or0.

6-1.

5 kW

Las

er I

mag

er2.

4-3.

5 kW

Film

Vie

wer

, Mot

oriz

ed1.

5-2.

0 kW

Bi-

Plan

e A

ngio

grap

hic

Imag

er7.

0-10

.5 k

W

Cat

hLab

Com

pute

r0.

6-1.

2 kW