CBP Central 1_ph 2 Training Note

CBP Central (ph 2) Jet fan System Training Presented By : Provac International Pte LtdTerminal BoxSilencersAluminum NozzleAxial Motor

ContentINTRODUCTIONSYSTEM DESCRIPTIONSYSTEM OPEATIONTECHNICAL DATAMAINTENANCE REQUIREMENTS

1. Introduction CARPARK MECHANICAL VENTILATION SYSTEM

The mechanical system of the car parking areas in the basement storey shall comply with the provision of the Building control Act 1989, the building control regulations 1989 and Singapore Standard CP13:1999. The carpark mechanical ventilation system shall consist of induction axial fan and exhaust fans. The induction axial fans and exhaust fans shall be capable of operating effectively at 250C for 2 hours.

1. Introduction During normal mode operation, the carpark mechanical ventilation system shall be capable of providing 6 air change per hour or maintaining the carbon monoxide concentration to less than 25ppm averaged over an eight hour period.

1. Introduction(a)Each sets exhaust axial fan shall be interlocked with its corresponding zone of direct axial fans.(b)If the exhaust fan stops/fail, its corresponding zone of direct axial fans shall not run(c)The exhaust fan shall continue to run even if the corresponding zone of direct axial fans fail or any one of the fan fails.

2. SYSTEM DESCRIPTIONThere are a total of 12 nos. of DA-1AT & 10 nos. of DA-200S at the Basement Carpark, AND, a total of 8 nos. of DA-1AT & 8 nos. of DA-200S at the Mezzanine Carpark.

2. SYSTEM DESCRIPTIONThere are a total of 20 nos of exhaust fans and 20 nos of supply fans at the Basement Carpark.

There are a total of 20 nos of exhaust fans and 20 nos of supply fans at the Mezzanine Carpark.

2. SYSTEM DESCRIPTIONThe nos. of DA fan and the associated exhaust fan for each zone is listed in 2.2 Fan Schedule.During normal operation, basement car park exhaust fans and DA fans are operating at normal speed (6 air change).

2. SYSTEM DESCRIPTION During fire mode, signal from the fire alarm system will be sent to the main car park fan panel and will trigger it to run at high speed (9 air change) and in turn activate the DA fans to operate at normal speed.

The remote panel for the Above ground car park ductless system at the FCC Room is used to display the status and individually control the main supply and exhaust fans during fire.

2. SYSTEM DESCRIPTIONFAN SCHEDULE

Carpark Supply & Exhaust air Fans Location Zone EA Fan designation FA Fan designation Basement 1 EAF-BP-B1-1/2/3/4/5 FAF-BP-B1-1/2/3/4/5 2 EAF-BP-B1-11/12/13/14/15 FAF-BP-B1-11/12/13/14/15 3 EAF-BP-B1-6/7/8/9/10 FAF-BP-B1-6/7/8/9/10 4 EAF-BP-B1-16/17/18/19/20 FAF-BP-B1-16/17/18/19/20

2. SYSTEM DESCRIPTIONFAN SCHEDULE

Carpark Supply & Exhaust air Fans Location Zone EA Fan designation FA Fan designation Mezzanine 1 EAF-BP-BM-1/2/3/4/5 FAF-BP-BM-1/2/3/4/5 2 EAF-BP-BM-11/12/13/14/15 FAF-BP-BM-11/12/13/14/15 3 EAF-BP-BM-6/7/8/9/10 FAF-BP-BM-6/7/8/9/10 4 EAF-BP-BM-16/17/18/19/20 FAF-BP-BM-16/17/18/19/20

2. SYSTEM DESCRIPTIONFAN SCHEDULE

Direct Axial Fans Location Zone No of jet fans Local JF Control Panel DA-1AT DA200S________________________Basement 1 4 2 1 2 3 3 1 3 4 2 1 4 1 3 1 ______________________________ Total: 12 10 4

2. SYSTEM DESCRIPTIONFAN SCHEDULE

Direct Axial Fans Location Zone No of jet fans Local JF Control Panel DA-1AT DA200S________________________Mezzanine 1 2 2 1 2 2 2 1 3 2 2 1 4 2 2 1 ______________________________ Total: 8 8 4

2. SYSTEM DESCRIPTIONFAN SCHEDULE

System Components

Item Component Qty 1Direct Axial Fan 38 2DA Control Panel 8

3. SYSTEM OPERATIONJET FAN PANEL

3. SYSTEM OPERATION3.1MANUAL MODESTARTING OF THE DA FANS ON THE MANUAL MODE

3. SYSTEM OPERATION(A)Start OperationStepInstruction1.Ensure Electrical Incoming light is lighted up.2.Ensure Main MCB in DA Fan Panel is at ON position all lights glowing3.Ensure the Selector Switch AUTO, OFF & MANUAL is switch to MANUAL4.Press the START push button. 5.Ensure the green colour RUN indicating light, lights up.

3. SYSTEM OPERATION(B)Stop Operation To stop the DA Fan, the Selector Switches AUTO, OFF & MANUAL to OFF mode OFF or press the STOP push button.

3. SYSTEM OPERATION(C)Trip Operation

If the trip relay senses the excessive current through the equipment, it will trip the operation. The TRIP indicating light will be lights up.

3. SYSTEM OPERATION3.2AUTO MODE

STARTING OF THE DA FAN ON THE AUTO MODE

3. SYSTEM OPERATION(A)Start OperationStepInstruction1.Ensure Electrical Main Panel Circuit Breaker is at ON position2.Ensure Main MCB DA Panel is at ON position all lights glowing3.Ensure the Selector Switch AUTO, OFF & MANUAL is switch to AUTO mode4.When the exhaust fans for every individual zone is turn ON, the associate zone of DA fans shall run. OR5.During fire mode, fire alarm signal is send to trigger the carparks exhaust fans in turn activate the DA fans.

3. SYSTEM OPERATION(B)Stop Operation DA fan shall stop only when the fire alarm is clear. OR By the fireman overwrite selector switch at the Carpark Exhaust Fan Remote Panel in the FCC Room.

3. SYSTEM OPERATION(C)Trip Operation

If the trip relay senses the excessive current through the equipment, it will trip the operation. The TRIP indicating light will be lights up.

3. SYSTEM OPERATION3.3CONTROL LOGIC

4. TECHNICAL DATAD.A. FANSModelDA-1ATInduced Airflow37,800Velocity (m/s)14.6R.P.M2,910Size (mm x )1005 x 273Power (/v/Hz)1/230/50Power Input (w/pcs,1.2=Safety Factor)130w x 1.2/each

4. TECHNICAL DATAD.A. FANSModelDA-200SInduced Airflow57,600Velocity (m/s)18.2R.P.M2,910Size (mm x )1058 x 330Power (/v/Hz)1/230/50Power Input (w/pcs,1.2=Safety Factor)185w x 1.2/each

5. MAINTENANCE REQUIREMENTS5.1ROUNTINE INSPECTION ( please perform an inspection 3 to 6 months per yearly.)1.Check that the air flows normally2.Check that there are no abnormal sounds and/or vibrations3.Check that the operation indicator is lighting4.Check that no foreign matter is stuck in the inlet5.Check that the fan unit, silencers, inlet bell mouth, and air outlet nozzle have gathered no rust

5. MAINTENANCE REQUIREMENTS5.2MAINTENANCE AND REPAIRWhen the air does not flow out normally or there is abnormal sound or vibration, immediately stop the operation of the fan. Pull the plug out of the outlet, or disconnect the fan from the power supply line. Then, detach the fan together with the suspension arm, and remove the air intake silencer. Pull out the fan rotor, and completely clean the fan casing and rotor using a wire brush or the like. At the same time, clean the inlet mouth. Then replace the rotor only, and supply power to operate the fan for a short time.

5. MAINTENANCE REQUIREMENTS5.2MAINTENANCE AND REPAIR2.If abnormal sound or vibration still remains, though the casing and rotor are cleaned as described above, reattach the rotor to the motor, and remove the air outlet silencer and the terminal box. Then, send the fan unit and terminal box to our company. After repairing them, we will return them as soon as possible.

5. MAINTENANCE REQUIREMENTS5.2MAINTENANCE AND REPAIR3.If the operation indicator does not light and the fan does not operate through power is supplied, check whether the motor circuit breaker trips. If the breaker trips, release it from tripping.When the breaker still trips, detach the fan together with the suspension arm, and follow the same procedure as step 1 in checking the rotor and casing for dirt or dust. When the rotor and casing are dirty, clean them and check whether the fan operates normally. When there is not abnormally, reinstall the fan, adjust the direction of the airflow, and then start the operation. If the fan does not operate normally, send the fan unit and terminal box to our company. After repairing them, we will return them as soon as possible.

5. MAINTENANCE REQUIREMENTS5.2MAINTENANCE AND REPAIR4.Probably the operation indicator does not go dead because a neon glow lamp is used. However, the lamp may go dim due to age and deterioration, in such case, replace the lamp with a new one.Even when no abnormality occurs, be sure to clean the fan rotor and casing and check the fan for abnormal sound, vibration and current values every 3 to 6 months. If Jet fans are not functioning due to high Ampere because of Duct or Carbon accumulation at the gap of fan blades between the internal casing where the rotor is running, please ensure and thoroughly check and clean up or otherwise Jet fan motor can be down at anytime if shortage of regular maintenance as per specified in every 3 to 6 months period.7.If required for any clarification, please call our Provac Services Department as per attached.

5. MAINTENANCE REQUIREMENTS5.3D.A. FAN NOT WORKING

No

No

Switch on the MCB inside the panel

Check electrical incoming supply

Yes

Yes

Contact service man in 7.4 list of contact personnel

Ductless fans not working?

Incoming

light

"

ON

" ?

Outgoing

light

"

ON

" ?

Trip

Lighting

'ON'

5. MAINTENANCE REQUIREMENTS5.4 LIST OF CONTACT MAINTENANCE PERSONNEL

Please call Provac Internatonal Pte Ltd at 6298 8888 during office hours ( 0815 1745 Hrs)ORAfter office hour :1.Lau Bon HuatH/p : 9839 6324