Basically, doing a new preventive upkeep on the centralized air conditioning program inside buildings isn't a do-it-yourself task. This requires expertise and also hard work for many with the particular member from the upkeep department. Breakdowns might really indicate discomfort in addition to above most pin the consequence on the idea for the maintenance people idea. To stay away from this, your schematic system must be presented and step-by-step process must be as well as just about all members of the upkeep group.
With this, I possess laid down step-by-steps surgery of executing maintenance process with regard to centralized air cooling systems. More important will be the rate of recurrence involving working this specific undertaking which can be incredibly very much necessary for everyone centralized cooling systems. This guideline can help supervisors within drafting a preservation system or perhaps information specialists undertaking the job.
Note that each preservation process can be specify with your step-by-step surgery in order for the actual audience to be able to quickly comply with each task.
1.0 Maintenance associated with Chiller Units
1.1. Swabbing regarding Condenser Shell and Tubes connected with Chillers units.
1.1.1 Close the particular isolation valve in the chiller condensing unit in addition to depleation water in the condensing unit over the drain dock or perhaps whack lower valve.
1.1.2 Chemical de-scaler shall be circulated into the condenser tubes in addition to covering with a substance pump motor through the ports supplied because of this function in your chiller unit. In purchase to dissolved, lossen along with removed hardened remains along with scales stuck on inside tubes, it's important that this element de-scaler shall be circulated towards condensing model to get at the least several hrs previous the exact draining.
1.1.3 Drain that chemical de-scaler in addition to take out the particular covering at each and every ending with the condensing unit.
1.1.4 Work some sort of rounded nylon or brass bristled wash (attached to your rod) within as well as away from just about every conclusion with the condenser drinking water tubes that will loosen the sludge).
1.1.5 Thoroughly flush your condenser water tubes having clean water plus set up the condensing product disguise at each and every end.
1.1.6 Contaminated drinking water along with waste materials chemical substance using this treatment will likely to be covered and disposed properly.
1.1.7 Implementation with this method will likely to be based to the test and also noted managing parameters of one's main cooling unit.
1.2 Swabbing of Evaporator Shell plus Tubes with Chiller Units.
1.2.1 Use a similar cleaning approach talked over inside process 1.1 above. Schedule and also consistency regarding guidelines of this process will likely to be determined by the actual examination plus recorded functioning details of one's core air con unit.
1.3 Replacement involving Gas Pump and Main Oil Filter regarding Trane Chiller
1.3.1 Stop your Chiller component plus close up that normal company valves found in advance of plus after the filters.
1.3.2 Relieve the pressure with the hydraulic line with the Schrader valve situated in between that ball valves as well as the particular petrol filter.
1.3.3 Use strap wrench for you to bust reduce this fanatic that secures the petrol sieve feature towards sieve manifold.
1.3.4 Turn your enthusiast clockwise until the actual filtration system aspect detaches in the manifold.
1.3.5 Replace that filtration component and also re-install the revolutionary sift ingredient to that sift manifold.
1.3.6 Connect manifold appraise towards oil loading control device in addition to vacuum cleaner the particular filter component and a lot more to help -30 around Hg.
1.3.7 Charge this oil tier back again with the amount of oil removed.
1.3.8 Open the isolation valves on the essential oil offer system.
1.3.9 Waste along with contaminated essential oil made by this procedure shall be contained and also disposed properly.
1.3.10 This procedure shall be carried out to fuel send filter along with main oil separate out connected with Trane wine beverage chiller units annually.
1.4 Inspection / Cleaning of Chiller Casing
1.4.1 Ocular inspection with chiller casing shall be carried out with all Chiller units. Any hint of oil / water leakages as well as damaged portion will probably be noted and given necessary corrective action.
1.4.2 This surgery should be conducted once a month on all Chiller units.
1.5 Chiller Oil Analysis
1.5.1 Oil Analysis shall be carried out to all Trane chillers per year by the skilled Service Engineer / Technician.
1.6 Oil Replacement Procedure with regard to Trane Chiller units
1.6.1 Remove the refrigerant through the wine beverage chiller product and contain this refrigerant in order to a good empty cylinder gas tank plus with a vacuum cleaner send right up until the refrigerant pressure drops in order to twelve psig. Then prevent that wine chiller unit.
1.6.2 Connect a hose to the oil sump depleation valve.
1.6.3 Open the particular drain valve in addition to enable the specified degree of oil to stream into an clear container provided intended for the used oil. Then nearby the actual charging valve.
1.6.4 Measure the precise degree of essential oil taken off the unit.
1.6.5 Locate the Schrader valve in between the basketball control device and oil filter.
1.6.6 Loosely be connected oil knock out in order to Schrader valve.
1.6.7 Open petrol asking pump till oil is found in the charging valve relationship plus tense up this connection.
1.6.8 Close your golf ball control device just simply upstream with the Schrader valve connection to this acrylic push this kind of lets the essential oil to visit over the oil wrinkles for the compressor first as opposed to straight into the acrylic sump.
1.6.9 Energize the master oil solenoid. This enables the essential oil to spend in the Schrader for the compressor. It takes approximately couple of gallons with acrylic to help enter into your lines.
1.6.10 After receiving the best 2 gallons, de-energize your get good at solenoid.
1.6.11 Open the particular tennis ball valve simply upstream on the Schrader linked to the actual acrylic pump. This allows that remainder in the charge to help movement that will this oil sump.
1.6.12 Charge the refrigerator product by using appropriate refrigerant. Charging involving refrigerant should be completed with an ambient temps regarding not necessarily a reduced amount of compared to thirty five C.
1.6.13 Used oil using this surgery will probably be comprised and disposed properly.
1.6.14 Implementation of this treatment should be depending on caused by the actual oil evaluation executed in method 1.5.
2.0 Maintenance of Cooling Tower
2.1 Cleaning connected with Cooling Tower Filters
2.1.1 Close the actual remote location valves with this cooling tower being maintained.
2.1.2 Removed PVC Filler Materials within the soothing tower carefully. If that tinnitus belonging to the PVC Filler Materials is definitely possibly not suitable for re-use, fast replacement unit will probably be done.
2.1.3 Clean the actual PVC Filler elements utilizing force washer dryer until eventually just about all dirt plus nutrient debris will be removed.
2.1.4 Re-install your PVC Filler stuff into the cooling tower.
2.1.5 Mandatory substitution involving PVC Filler products will end up being completed every a few years.
2.1.6 This procedure will probably be done upon most of cooling tower involving wine beverage chiller products semi-annually.
2.2 Cleaning / De-scaling involving Cooling Tower
2.2.1 Stop that Cooling Tower in addition to turn-off weight breaker switch. Provide lockout label out there on weight breaker switch.
2.2.2 Carefully remove the strainer from the suction brand from the Cooling Tower and bathe this along with drinking water thoroughly (if possible). If size possesses already accumulated in the strainer, chemical de-scaler may be used.
2.2.3 Cleaning / De-scaling involving Cooling Tower Strainer will likely to be performed month-to-month with many Cooling Towers.
2.3 Gear Oil Level Inspection
2.3.1 Stop your Cooling Tower along with turn-off insert breaker switch. Provide lockout tag out on load breaker switch.
2.3.2 Check equipment oil level through picture magnifying glaas supplied around the products box. If gear oil is usually below that acceptable amount as said in the perception glass, look at casing to get possible escapes along with implement the actual essential corrective action.
2.3.3 Re-fill that supplies field with items acrylic as long as suitable level.
2.3.4 This surgery is intended to be executed per month upon all structure of the Trane Chiller.
2.4 Gear Oil Replacement
2.4.1 Stop your Cooling Tower along with turn-off weight breaker switch. Provide , supply Lock-out Tag-out warning procedure on insert breaker switch.
2.4.2 Drain the Gear Oil type the apparel field even though this depleation plug.
2.4.3 Re-fill the actual Gear package along with proper Gear Oil as much as suitable levels while advised within the sight glass.
2.4.4 This system should be implemented upon most Cooling Tower with Trane Chiller semi-annually.
2.5 Inspection regarding Sprinkler Bearings, Fan Blades as well as Cooling Tower Casing
2.5.1 Stop your Cooling Tower and turn-off place breaker switch. For health and safety reasons, provide lock-out tag-out with heap breaker switch.
2.5.2 Check Sprinkler Rotor Bearing. Lubricate as well as exchange if necessary.
2.53 Check Fan Blades pertaining to damage and level deposits. Clean / De-scale or Replace in the event that necessary.
2.5.4 Check Cooling Tower casing to get damage plus range deposit. Clean / De-scale or maybe Repair whenever necessary.
2.5.5 This procedure end up being executed on most of Cooling Tower semi-annually.
3.0 Maintenance regarding Chilled along with Condenser drinking water Pump
3.1 Stop the actual Pump and turn-off fill breaker switch. For safety reasons, offer Lock-out Tag-out warning process on heap breaker switch.
3.2 Close remoteness valves for the release plus suction line.
3.3 Check position connected with magnetic generator contrary to the normal water pump. Alignment will likely to be performed whenever necessary.
3.4 Inspect Pump Mechanical / Packing seal with regard to leaks. Replace Mechanical / Packing complience seal in case necessary.
3.5 This method will be conducted on just about all Chilled and Condenser normal water pushes for a regular basis.
4.0 Cleaning associated with Chilled plus Condenser Water In-line Strainers
4.1 Stop the perfect plus condenser water squeezes with the actual in-line strainers for you to become taken care of and close up your respected isolation valves in the suction as well as discharge of the pump.
4.2 Carefully remove the strainer from your water line brand along with to help it together with mineral water extensively (if possible). If scale have previously accrued around the strainer chemical de-scaler could be used.
4.3 Re-install your strainer.
4.4 Waste chemical and also contaminated water out of this treatment should be covered along with disposed properly.
4.5 This procedure will probably be executed upon all condenser normal water in-line strainers semi-annually. Like wise, this kind of system should always be done upon just about all evaporator mineral water in-line strainers annually.
5.0 Maintenance with Air Handling Units
5.1 Cleaning regarding Cooling Coil
5.1.1 Stop this Air Handling Unit and convert off of the particular place breaker switch.
5.1.2 Rinse this chilling coil using a good okayed element coil solution (30 liters max.) using pressurised element applicator plus permit the actual inorganic work or sink for fifteen min.
5.1.3 Rinse the cooling coil with sparkling water adequate sufficient to get rid of almost all grime inside coil.
5.1.4 Contaminated water using this process shall be covered and disposed properly.
5.1.5 This system shall be enforced on all Air Handling Units semiannually.
5.2 Cleaning connected with 50 microns pre-filters
5.2.1 Cleaning with 50 micron pre-filters is intended to be done on almost all Air Handling weekly. Clean water as well as neutral detergent will probably be used just for this procedure.
5.3 Inspection with Pillow Blocks / Bearings / Fan Belt Condition and also Tension
5.3.1 Stop the Air Handling Unit and also turn-off heap breaker switch. For safe practices reasons, present Lock-out Tag-out caution system upon fill breaker switch.
5.3.2 Check the problem of Pillow Blocks and Bearings. Replace / Lubricate in the event necessary.
5.3.3 Check alignment involving buff pulley towards continuous motor pulley. Alignment will be done if necessary.
5.3.4 Check Fan Belt situation along with tension. Adjustment / Replacement will be conducted when necessary.
5.3.5 This system will probably be carried out month to month about many Air Handling Units.
5.4 Inspection connected with AHU Casing / Cooling Coil
5.4.1 Stop this Air Handling and turn-off place breaker switch. For safe practices reasons, provide Lock-out Tag-out alert system on weight breaker switch.
5.4.2 Check Air Handling Unit ouert shell regarding damage, corrosion, as well as cleanliness. Clean / Repaint / Repair is intended to be performed when necessary.
5.4.3 This surgery will likely to be performed on semi-annually upon most of Air Handling units.
6 Maintenance connected with Expansion Tank
6.1 Condition associated with Expansion Tank float valve will be inspected pertaining to injury and also float ball adjustment. Replace / Adjustment should be performed in the event that necessary.
6.2 Expansion Tank casing shall be inspected for damage, corrosion and cleanliness. Clean / Repaint / Repair will be executed if necessary.
6.3 This system will probably be executed with Expansion Tank upon per month basis.
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