E-PORTFOLIO LENGKESHINY

al Loads)

n iaitu ;
(People Loads)
ghting Loads)
peralatan (Equipment Loads)

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JABATAN TENAGA MANUSIA

Be Inspired, Be Extraordinary, Be World Class with TVET

JABATAN TENAGA MANUSIA

External
Load

External
Load

External
Load

External
Load

Be Inspired, Be Extraordinary, Be World Class with TVET

JABATAN TENAGA MANUSIA

Internal
Load

Be Inspired, Be Extraordinary, Be World Class with TVET

JABATAN TENAGA MANUSIA Beban haba bilik (Ro

Beban haba bilik
(Room Loads)

oom Loads)

Haba deria (Sensible heat)
Haba pendam (latent heat)

Be Inspired, Be Extraordinary, Be World Class with TVET

Pemindahan habaJABATAN TENAGA MANUSIA

Tenaga Haba tidak bo

Haba sentiasa menga
tinggi ke medium suh

Haba boleh dipindahk
ke medium yang lain.

oleh dimusnahkan.
alir daripada medium suhu
hu rendah.
kan daripada satu medium
.

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JABATAN TENAGA MANUSIA Kaedah pemindaha

Pengaliran (c
Perolakan (c
Pancaran (ra

an haba

conduction)
convection)
adiation)

Be Inspired, Be Extraordinary, Be WorwldwCwla.sjstmw.igthoTvV.mETy

Pengaliran

Pemindahan terus haba
dari satu medium
bersuhu tinggi ke
medium yang bersuhu
rendah

Pengalir

Penebat

Perolakan

JABATAN TENAGA MANUSIA

Pemindahan haba melalui
pergerakan fizikal medium
haba itu sendiri
Cecair
Gas

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Sinaran

Pemindahan haba terus
(tanpa medium) daripada
bahan bersuhu tinggi kepada
bahan bersuhu rendah

Matahari

Unggun api

JABATAN TENAGA MANUSIA KESELESAAN MAN
(HUMAN COMFORT

ASHRAE

°C = (°F – 32) x 5/9 ISO Stan

°C = (72 – 32) x 5/9 Indoor Tem
= 40 x 5 / 9 Air velocity
= 22.2 Relative Hu

°C = (77 – 32) x 5/9
= 45 x 5 / 9
= 25

Link : https://www.youtube.com/watch?v=q

NUSIA
T)

E Standard 55-1992

ndard 7730

mperature (°F) Standard 22.2 °C - 25 °C
y (fpm) 72 – 77
umidity (%)
< 50 (1.2 met)

40 - 55

qZ3RwH018Qw

Be Inspired, Be Extraordinary, Be World Class with TVET

Soalan 1

Be Inspired, Be Extraordinary, Be World Class with TVET

Soalan 2

Be Inspired, Be Extraordinary, Be World Class with TVET

Soalan 3
Soalan 4

Be Inspired, Be Extraordinary, Be World Class with TVET

Soalan 5
Soalan 6

Be Inspired, Be Extraordinary, Be World Class with TVET

Soalan 7
Soalan 8

Be Inspired, Be Extraordinary, Be World Class with TVET

JABATAN TENAG

KEMENTERIAN SUM

THANK

GA MANUSIA

MBER MANUSIA

K YOU

www.jtm.gov.my

JABATAN TENAG

KEMENTERIAN SUM

GA MANUSIA

MBER MANUSIA

Diploma Teknologi
Penyejukbekuan dan Penyamanan

Udara (L05)

L05-34-31
HVACR Architecture Drawing

and Cooling Load

INSTRUCTOR : SHARIFFAH SYAHIDAH BINTI S AMIR

www.jtm.gov.my









JABATAN TENAGA MANUSIA

Rule of
Anggaran kasar sec

(Par

Thumb
cara Conggak Lazim
rt 1)

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JABATAN TENAGA MANUSIA

➢Merupakan cara palin
cooling load

➢Kurang tepat

➢Hanya tertumpu kepa
sahaja

➢Berpandukan maklum

ng cepat untuk mendapatkan

ada aktiviti dan keluasan ruang
mat daripada client (brif projek)

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JABATAN TENAGA MANUSIA

Q (rule of thum

Dimana,
A : Luas (ft²)
GTH : Grand tot

mb) = A x GTH

tal Heat (BTUh/ft²)

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JABATAN TENAGA MANUSIA Rumus Luas (Area)

)

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Contoh :

JABATAN TENAGA MANUSIA

10 ft Luas

10 ft

8 ft
20 ft

s = PxL
= 10 x 10
= 100 ft²

Luas = P x L
= 20 x 8
= 160 ft²

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JABATAN TENAGA MANUSIA Luas =
=
15 ft =
12 ft
Luas
14 ft