This document provides information about the electrical installation system and air conditioning system used in Ramada Plaza Melaka hotel. It discusses how the hotel uses a split unit air conditioning system with wall-mounted inverter units for each room. It also details how the hotel uses a concealed wiring system to distribute electricity throughout the building. Routine maintenance of air conditioner filters, coils, and drains is described to ensure efficiency.

1. Electrical Installation System In Building And Air Conditioning System
DCC 6242 – Basic Building Services
Lecturer :
Puan Asyikin Fahmi
Members :
Muhammad Harith Bin Hatta
14DKA14F2067
Syed Mahmood Bin Syed Abd Halim
14DKA14F2002
Muhamad Danial Haqqim Bin Zakiruddin
14DKA14F2059
Mohammad Ariff Bin Mansor
14DKA14F2065

3. INDEX
CONTENT PAGES
INTRODUCTION
BACKGROUND BUILDING
AIR CONDITIONINGSYSTEM
WIRING ELECTRIC BUILDING
PICTURES AND PLAN
CONCLUSION
APPENDIX

4. INTRODUCTION
Introduction to Electrical Building Services provides a practical
introduction to electrical theory and electrical building services systems to
enable delegates to communicate more effectively with specialists such as
electrical designers, consultants and contractors. It will enable the non-
electrically minded to comprehend the discussions and requirements
surrounding the subject.
Building wiring is the electrical wiring and associated devices such as
switches, meters and light fittings used in buildings or other structures.
Electrical wiring uses insulated conductors.
Wires and cables are rated by the circuit voltage, temperature and
environmental conditions (moisture, sunlight, oil, chemicals) in which they can
be used, and their maximum current. Wiring safety codes vary by country, and
the International Electrotechnical Commission (IEC) is attempting to
standardise wiring amongst member countries. Colour codes are used to
distinguish line, neutral and earth (ground) wires.
Air conditioning is the process ofremoving heat from a confined space,
thus cooling the air, and removing humidity. Air conditioning can be used in
both domestic and commercial environments. This process is used to achieve a
more comfortable interior environment, typically for humans or animals;
however, air conditioning is also used to cool/dehumidify rooms filled with
heat-producing electronic devices, such as computer servers, power amplifiers,
and even to display and store artwork.
Air conditioners often use a fan to distribute the conditioned air to an
occupied spacesuch as a building or a car to improve thermal comfortand
indoor air quality. Electric refrigerant-based AC units range from small units
that can coola small bedroom, which can be carried by a single adult, to
massive units installed on the roofof office towers that can coolan entire
building. The cooling is typically achieved through a refrigeration cycle, but
sometimes evaporation or free cooling is used. Air conditioning systems can
also be made based on desiccants (chemicals which remove moisture from the
air) and subterraneous pipes that can distribute the heated refrigerant to the
ground for cooling.

5. BACKGROUND BUILDING
Melaka hotel in the heart of history
Set in the heart of historical City of Melaka, Ramada Plaza Melaka is a five star
international hotel managed by Wyndham Hotel Group. We strive to provide an
unforgetable escapadeinto timeless luxury.
Discover UNESCO world heritage sites, setting off from the hotel's central
location. The concierge desk offers the option of complimentary shuttle services
to main attractions such as Jonker Walk and shopping centres within mere
minutes.
Location
Set in the heart of Historical Melaka, Ramada Plaza Melaka is conveniently
located just minutes away from UNESCO World Heritage sites, blending old-
world charm with modern luxuries and superior services for business and leisure
guests. Cultural and heritage sites such as the St Peter’s Church, A’ Famosa
Fort, St Paul's Hill, Stadthuys Buildings, Jonker Street, Kampung Morten and
Melaka River and Shopping Centres are located within walking distance from
the hotel.
Rooms & Suites
Spacious guest rooms' offers remarkable ocean and river views are distinctively
equipped with complimentary Wi-Fi and high speed internet access, in-room
safe and comfortable bedding.
 294 rooms, all with spectacular views
 17 suites, all with separate living areas
 40 club rooms with full Ramada Plaza Club service

6. Dining
We offer a wide choice of cuisines, an array of delectable dishes in our
restaurants, lounge and bar.
 All day dining at Zest
 Classic and authentic Szechuan and Cantonese cuisines at Long Feng
 Italian food with engineered a-la-carte menu and popular thin crusted
pizza at Olio
 Afternoon tea, light snacks and unwind in the evening with music
rendezvous at Famosa Lounge
 Alfresco poolside dining at Melaka Garden
Meeting & Events
Our functional meeting spaces, dedicated event team and impeccable
organizational skills have made us the pre-eminent meeting and event venue in
Melaka.
 Bunga Raya Grand Ballroom
 Bendahara, Junior Ballroom
 Six function rooms
 Wedding packages
 Catering for up to 600 guests
 Complimentary Wi-Fi and high speed internet access
 Business Centre
RamadaPlaza Club Floor
Our luxurious and dedicated Ramada Plaza Club Lounge offers exclusive
environment located on top level commands a panoramic view of Straits of
Malacca as well the quaint traditional Malay village.
 Breakfast, all day coffee/tea and evening cocktails
 Complimentary one hour use of Club Floor boardroomfacilities
 Complimentary pressing of suit/dress per stay
 Wi-Fi and high speed internet access
Recreation Facilities
While you relax and unwind at our recreation facilities, enjoy the stunning view
of ocean and serenity sunset from level 9th.

7.  9ft depth and free-form pool
 Children pool
 Fully equipped Fitness Centre
 Alfresco Melaka Garden poolside

8. Technician in charge:
Mr. Rashid Bin Ramli

9. AIR CONDITIONINGSYSTEM
Trend hotel use a split unit air conditioner
Wall-mounted inverter split system air conditioning is an ideal solution to cool
or heat just one room or area of your home or office.
Split system air conditioning systems consistof an indoor wall mounted unit
that blows coolair into the room, and an outdoorunit that dissipates the heat
from the cooled area. Refrigerants are used to coolor heat the air.
Bra mar split systems utilize DC inverter technology, which means that they
automatically regulate the power applied to the compressorto provide more
precise climate control, while using less energy.
The split system range includes models ranging from 1.0hp to 2.0hp in cooling
capacity.
The indoor unit also suits the multi split air conditioning system, thus delivering
a consistent appearance throughout when multi split system installations are
mixed with single split systems.
Each rooms in RAMADA PLAZA provide one split unit air conditioner.

10. Example flow of split unit air conditioner
RAMADAhotel split unit air conditioner

11. WIRING ELECTRIC BUILDING
Trend hotel using concealed wire system
Advantages :
1. The weather condition cannot effect on this system.
2. This wiring seems good and beautiful.
3. There is no risk of electric shock.
4. Durable and have a long life.
Disadvantages :
1. Fault finding process is difficult.
2. Wiring installation is difficult.
3. Alternations are difficult.
Example of conduit wiring in RAMADA HOTEL

12. MAINTENANCE SISTEM AIR-CONDITIONER
Air Conditioner Filters
The most important maintenance task that will ensure the efficiency of your air
conditioner is to routinely replace or clean its filters. Clogged, dirty filters block
normal airflow and reduce a system's efficiency significantly. With normal
airflow obstructed, air that bypasses the filter may carry dirt directly into the
evaporator coil and impair the coil's heat-absorbing capacity. Replacing a dirty,
clogged filter with a clean one can lower your air conditioner's energy
consumption by 5% to 15%.
For central air conditioners, filters are generally located somewhere along the
return duct's length. Common filter locations are in walls, ceilings, furnaces, or
in the air conditioner itself. Room air conditioners have a filter mounted in the
grill that faces into the room.
Some types of filters are reusable; others must be replaced. They are available
in a variety of types and efficiencies. Clean or replace your air conditioning
system's filter or filters every month or two during the cooling season. Filters
may need more frequent attention if the air conditioner is in constant use, is
subjected to dusty conditions, or you have fur-bearing pets in the house.
Air Conditioner Coils
The air conditioner's evaporator coil and condenser coil collect dirt over their
months and years of service. A clean filter prevents the evaporator coil from
soiling quickly. In time, however, the evaporator coil will still collect dirt. This
dirt reduces airflow and insulates the coil, reducing its ability to absorb heat. To
avoid this problem, check your evaporator coil every year and clean it as
necessary.
Outdoorcondensercoils can also becomevery dirty if the outdoorenvironment
is dusty or if there is foliage nearby. You can easily see the condensercoil and
notice if dirt is collecting on its fins.
You should minimize dirt and debris near the condenser unit. Your dryer vents,
falling leaves, and lawn mower are all potential sources of dirt and debris.
Cleaning the area around the coil, removing any debris, and trimming foliage
back at least 2 feet (0.6 meters) allow for adequate airflow around the
condenser.

13. Coil Fins
The aluminum fins on evaporator and condenser coils are easily bent and can
block airflow through the coil. Air conditioning wholesalers sell a tool called a
"fin comb" that will comb these fins back into nearly original condition.
Condensate Drains
Occasionally pass a stiff wire through the unit's drain channels. Clogged drain
channels prevent a unit from reducing humidity, and the resulting excess
moisture may discolor walls or carpet.
Window Seals for RoomAir Conditioners
At the start of each cooling season, inspect the seal between the air conditioner
and the window frame to ensure it makes contact with the unit's metal case.
Moisture can damage this seal, allowing coolair to escapefrom your house.
Preparing for Winter
In the winter, either cover your room air conditioner or remove and store it.
Covering the outdoorunit of a central air conditioner will protectthe unit from
winter weather and debris.
Hiring a Professional
When your air conditioner needs more than regular maintenance, hire a
professional service technician. A well-trained technician will find and fix
problems in your air conditioning system.
The technician should:
 Check for correctamount of refrigerant
 Test for refrigerant leaks using a leak detector
 Capture any refrigerant that must be evacuated from the system, instead
of illegally releasing it to the atmosphere
 Check for and seal duct leakage in central systems
 Measure airflow through the evaporator coil
 Verify the correctelectric control sequence and make sure that the
heating system and cooling system cannot operate simultaneously

14.  Inspect electric terminals, clean and tighten connections, and apply a non-
conductive coating if necessary
 Oil motors and check belts for tightness and wear
 Check the accuracy of the thermostat.

15. AIR CONDITIONER DIVISSION
Utilizing the extensive air conditioning technology cultivated since developing
Japan's first air conditioner in 1951, Daikin continues to provide air
conditioners, systems, and solution services offering even greater comfortto the
various life scenes of our global customers. Beginning, unsurprisingly, with the
familiar living spaces of the home as well as those found in offices and
neighborhood shops, we extend air comfortto large installations at factories,
dome stadiums, and airports and even reach those specialized interior spaces of
hospitals and restaurant kitchens. In each case, Daikin answers a wide array of
customer needs with products and technology that address specific issues in all
types of climates around the world.

16. Drawn to making "contributions to the global environment made possible only
by Daikin," we continue to be actively involved in confronting global
environmental problems as part of our corporate responsibility in being a
leading global manufacturer of air conditioning equipment.
For example, heat pumps and inverters are receiving attention as technologies
that can play an active role in achieving a low-carbon society. Air conditioners
and heating equipment incorporating these technologies are recognized
internationally as equipment that lessens environmental impact, and we are
committed to promoting their development and widespread use as
environmentally conscious products.

17. Each global region has its own particular air conditioning needs. To provide the
best air conditioning solution available requires knowledge of the people, their
lifestyles, and their climate from a sales perspective reflective of these needs in
productdesign and development, manufacturing, installation, and after-sales
service.
Realizing the importance of close proximity to global markets, Daikin made
local production the cornerstone of its productdevelopment, manufacturing, and
sales approach. Along with its factories in Japan, Daikin established a
production basein Belgium in 1972 followed by factories in Thailand in 1990,
China in 1995, and the Czech Republic in 2003 for a global manufacturing
system that supplies quality products that meet the specific needs of each region
worldwide.
Maintaining its approachfor local production, Daikin made strategic
acquisitions in North America of two major US manufacturers, OYL Group
including McQuay , in 2007, and GoodmanGlobal in 2012 in its quest to
provide air comfort to every corner of the world.

18. ELECTRIC SUPPLY SYSTEM AT TREND HOTEL
1. ELECTRICALTRANSFORMER(TNB)
A transformer is an electrical device that transfers electrical energy
between two or more circuits through electromagnetic induction. ... This
varying magnetic field at the secondary winding induces a varying
electromotive force (EMF) or voltage in the secondary winding due to
electromagnetic induction.

19. 2. ELECTRICITYMETER
An electricity meter, electric meter, electrical meter, or energy meter is a
device that measures the amount of electric energy consumed by a
residence, a business, or an electrically powered device.
Electric utilities use electric meters installed at customers' premises to
measure electric energy delivered to their customers for billing purposes.
They are typically calibrated in billing units, the most common one being
the kilowatt hour [kWh]. They are usually read once each billing period.
3. MAIN SWITCH
A main switch is a central cut-off switch that controls the smaller cut-off
switches and machines of a building. The main switch can be cut off by a
human or a computerized system to controlthe flow of power in the
building.

20. 4. DISTRIBUTION TRANSFORMERMETER
Distribution meter is used for dividing the electric channel from one
network to break into several series of electric drain channel with the
same voltage for every room.
SYSTEM ELECTRIC
Main drivers:
 Hotels chain are competing for offering the best delight to their guest,
peace of mind, security, while reducing their energy expenses. Moreover,
big chain Hotel are pushing for Green to strengthen their image.
 Hotels managers need partner that can audit their installations, and build
consistent and comprehensive architectures to deliver availability of
energy to their guest, and optimizing the consumption.
Solution in brief
 A consistent architecture for addressing the electrical system and its
monitoring that optimize operation

21. Value proposition
 Security for the whole Electrical distribution system, availability for
critical loads ( lifts, computers, security, management system, booking...)
to provide hoteliers tools to maximize their operationalefficiency.
Differentiation factors:
 Schneider Electric has the capabilities to be a "ONE supplier" of the
Electricalsystem, providing all the electrical devices, monitoring
system, services from design , execution contract, and after sales.
 For Hoteliers, the responsibility of the global solution is clear, and any
discrepancy can be managed by ONE single point of contact.
 Wide range of products all over the world
 Services: design, contract execution, audits, life cycle services
 Consistent and comprehensive Electrical system which fits with Hoteliers
requirements

22. Solution architecture

23. Main characteristics
 LV or MV substation
 Floor switchboard
 LV switchboards in the other services
 Guest room switchboard
 Measures and Power monitoring
 Capacitor bank worth reactor
What can Schneider Electric do?
 GuestRoom Control - The Guestrooms represent around 70% of the
spacein an hotel and are the center of the Guest experience. Lighting,
temperature & blinds, safe, Mini-bar, Door-entry system are some key
elements of the room. Innovative solutions can reduce the energy
consumption and increase the customer experience. Integration of the
Guestroom to the Building Management System & Property Management
System can as well increase value proposition.
 Building Management - Hotels are complex buildings with several
processes working in parallel: Specialized Guest Management systems,

24. Specialized Entertainment Systems, HVAC Management systems, Entry
& CCTV Systems. Those systems needs a strong IP infrastructure and a
centralized point of control. Main benefit is the reduction of the
investment, the maintenance costand the increase of visibility on all the
different processes.This solutions need to be adapted to the size and the
complexity of each Hotel.
 Energy Efficiency- Hotels are very sensitive to Energy Consumption
and communicate on Environmental Friendly approach. HVAC, Hot
Water, Lighting needs are found in public and private parts of the Hotels.
Schneider Energy Efficient solutions can be adapted to the Hotel market
taking into account the importance of the Guest comfort versus the
economy.
Loop-in or Looping System
The wiring system in this building are loop-in or looping system. This method
of wiring is universally used in wiring. Lamps and other appliances are
connected in parallel so that each of the appliances can be controlled
individually. When a connection is required at a light or switch, the feed
conductor is looped in by bringing it directly to the terminal and then carrying it
forward again to the next point to be fed.
The switch and light feeds are carried round the circuit in a series of loops from
one point to another until the last on the circuit is reached. The phase or line
conductors are looped either in switchboard or box and neutrals are looped
either in switchboard or from light or fan. Line or phase should never be looped
from light or fan.

25. Advantages of Loop-In Method of Wiring
 It doesn’t require joint boxes and so money is saved
 In loop – in systems, no joint is concealed beneath floors or in roof
spaces.
 Fault location is made easy as the points are made only at outlets so that
they are accessible.
Disadvantages of Loop-In Method of Wiring
 Length of wire or cables required is more and voltage drop and copper
losses are therefore more
 Looping – in switches and lamp holders is usually difficult.

26. SAFETYIN USING ELECTRICALEQUIPMENT

27. FLOW OF ELECTRIC IN THE TREND HOTEL
1. ELECTRIC FROM TRANSFORMERTO ELECTRICITY
METER.
2. FROM ELECTRIC METERTO MAIN SWITCH.
3. FROM MAIN SWITCH TO DISTRIBUTION TRANSFORMER
METER.
4. FROM DISTRIBUTION TRANFORMERMETERTHEN
DIVIDED INTO OTHER ROOM.

28. CONCLUSION
Conclusion of RAMADA HOTEL is the hotel using the system and the
terms of wiring to comply with the law. RAMADA HOTEL using split unit air
conditioner uses 1.0 hp to 2.0 hp.RAMADA HOTEL use a concealed wire in
the building so it lower the risk of electric shock. At RAMADA HOTEL they
also provides a water heater, television and sockets in every room.
RAMADA HOTEL chain was able to build a well known brand throughout the
world , to enchant the guest ( more repetive ones )

29. APPENDIX
WATER HEATER PROVIDES IN EVERY ROOM
EXIT SIGNS PROVIDE AT TREND HOTEL

30. WATER KETTEL AT ROOM
ROOM SERVICE TELEPHONE