SOP Title: Heating, Ventilation and Air Conditioning System (HVAC)

SOP Title: Heating, Ventilation and Air Conditioning System (HVAC)

 

1. Objective:

To lay down a procedure for the Operation of Heating, Ventilating, and Air Conditioning (HVAC) System for the respective unit in different user sections.

2. Scope:

This procedure is applicable for the Operation of Heating, Ventilating, and Air Conditioning (HVAC) System for the respective unit in different user sections.

3. Responsibility:

3.1 Engineering Department: To prepare and review the SOP. To follow the procedure laid down   for the Operation of Heating, Ventilating, and Air Conditioning System as per this SOP.

3.2 Quality Assurance Department: To review and approve the SOP and Annexes. Ensure the compliance of the SOP.

4. Accountability:

Head, Engineering Department / Head, Quality Assurance Department.

5. Procedure:
   • Definitions:

5.1.1   Engineering Associate: Executive or Operator of Engineering Department trained to perform duties as per this SOP.

5.1.2 Preventive Maintenance: Maintenance activity performed to ensure that the equipment will function smoothly and to avoid breakdowns. These activities are performed as per predefined frequency.

 5.2.    Operational Procedure:              

	Safety Precautions/Instructions:
5.2.1	Wear appropriate Personal Protective Equipment while operating the Heating, Ventilating, and Air Conditioning System.
5.2.2	Ensure all the electrical connections are properly earthed. Ensure the power plug of the Heating, Ventilation and Air Conditioning System is fixed in the socket properly.
5.2.3	Inspect electrical cables and connectors for any sign of damage.
5.2.4	Ensure that the ON/OFF push button is working properly.
	Operation:
5.2.5	Start the circulation of water system pump by pressing Green push button of the starter.
5.2.6	Ensure that the supply of chilled water to AHU/HVAC is indicated by the pressure gauge.
5.2.7	Put ON the chiller plant by pressing toggle switch on the panel board.
5.2.8	Ensure that the chilled water inlet temperature of the cooling coil is in the range of 8 0C -12 0C.
5.2.9	Switch ON the Miniature Circuit Breaker.
5.2.10	If the above steps are performed satisfactorily, switch ON the main switch of the AHU/HVAC by pressing Green button of the starter.
5.2.11	Put ON the respective De-Humidifier by rotating Green knob in clockwise direction by manual mode.
5.2.11	Wait till the orange indicator light beeps. (This will energize Fan motors, Bed drive motor and Reactivation electric heaters).
	Shut Down of HVAC System:
5.2.12	Put OFF the respective dehumidifier by rotating Green knob in to anticlockwise direction in OFF mode.
5.2.13	Wait for five minutes until the electrical heater cools down to lower temperature of the heater.
5.2.14	Switch OFF the starter by pressing the Red bottom of starter.
5.2.15	Switch OFF the Miniature Circuit Breaker.
5.2.16	Put OFF the chiller plant by pressing toggle switch located on the PLC board.
5.2.17	Stop the chilled water circulation by switching off water pump located in the utility room.
	Preventive Maintenance:
5.2.18	Perform the Preventive Maintenance as per Annexure.
5.2.19	Affix the “Preventive Maintenance Status Label” on the Heating, Ventilation and Air Conditioning System as per SOP.
5.2.20	If Preventive Maintenance activity is outsourced, the observations are to be transcribed in the Annexure and external party certificate to be attached.
	Action Plan During Breakdown of Heating, Ventilation and Air Conditioning System:
5.2.21	If any breakdown occurs, inform Head of the Department and Quality Assurance Department. Put the tag “Equipment Under Maintenance, Do Not Start” and inform to Service Engineer for rectification.

 

6. Abbreviation:

Abbreviation	Expansion
UTL	Utility
PLC	Programmable Logic Controller
0C	Degree Celsius
AHU	Air Handling Unit
HVAC	Heating, Ventilation and Air Conditioning
PM	Preventive Maintenance

  

*Note – Ready to use SOP available in “DOWNLOAD” Section.