Basically, performing a deterring protection over a centralized air conditioning health program in homes just isn't your do-it-yourself task. This requires expertise plus hard work with regard to the majority of the representative in the maintenance department. Breakdowns could absolutely mean irritation along with particularly true guilt it towards the maintenance people idea. To avoid this, your schematic process ought to often be presented plus step-by-step task ought to be followed through most of users with the protection group.
With this, I have got laid down step-by-steps procedure to do repair task to get centralized air con systems. More important will be the particular frequency associated with working this task that is significantly critical for many centralized cooling systems. This instruction could help supervisors throughout drafting a new repair procedure or simply guideline technicians doing the actual job.
Note that each servicing endeavor is definitely arranged over a step-by-step procedure if you want to the audience for you to simply stick to each and every task.
1.0 Maintenance connected with Chiller Units
1.1. Swabbing connected with Condenser Shell as well as Tubes of Chillers units.
1.1.1 Close the remoteness valve of the chiller condensing system in addition to depleation water inside condensing model in the depleation vent or perhaps knock back down valve.
1.1.2 Chemical de-scaler is intended to be circulated for the condenser tubes and covering implementing your inorganic pump with the plug-ins given with this purpose inside wine bottle chiller unit. In order in order to dissolved, lossen and taken off hardened deposits as well as scales caught on inside the tubes, it is important that this substance de-scaler will likely to be circulated to the condensing system to get at the least 3 several hours before the exact draining.
1.1.3 Drain the chemical substance de-scaler plus take out the system at each one end with the condensing unit.
1.1.4 Work a new round nylon and also brass bristled hair brush (attached with a rod) inside along with outside each end with your condenser water tubes to be able to loosen the sludge).
1.1.5 Thoroughly remove the actual condenser normal water tubes along with clear water in addition to put in that condensing device spend at just about every end.
1.1.6 Contaminated mineral water along with spend inorganic from this surgery shall be included in addition to disposed properly.
1.1.7 Implementation on this system will likely to be influenced by the particular review and documented functioning variables of your respective central air flow health and fitness unit.
1.2 Swabbing involving Evaporator Shell plus Tubes of Chiller Units.
1.2.1 Use similar maintaining procedure discussed in surgery 1.1 above. Schedule and also consistency regarding implementation of the process will likely to be depending on the particular examination in addition to recorded operating ranges associated with your current fundamental air conditioning unit.
1.3 Replacement associated with Gas Pump along with Main Oil Filter regarding Trane Chiller
1.3.1 Stop the particular Chiller component along with in close proximity the particular regular support valves located prior to in addition to following on from the filters.
1.3.2 Relieve the actual force on the hydraulic collection in the Schrader valve based somewhere between that basketball valves as well as the oil filter.
1.3.3 Use strap wrench to help crack unfastened your nut which secures the particular oil separate out aspect for the filtration system manifold.
1.3.4 Turn the nut clockwise right up until that separate out ingredient detaches in the manifold.
1.3.5 Replace your filter element along with re-install the modern sift ingredient in order to the particular filtration system manifold.
1.3.6 Connect manifold appraise to the oil charging valve and also vacuum the filtration system factor plus manifold for you to -30 within Hg.
1.3.7 Charge this petrol tier back with volume regarding oil removed.
1.3.8 Open the particular isolation valves towards the oil give system.
1.3.9 Waste and also contaminated essential oil using this procedure will likely to be contained and disposed properly.
1.3.10 This method will be done that will gas send filtration and main essential oil sift of Trane fridge devices annually.
1.4 Inspection / Cleaning associated with Chiller Casing
1.4.1 Ocular examination regarding refrigerator casing should be performed on many Chiller units. Any signal with oil / waters leaks along with ruined section will probably be noted and furnished with vital corrective action.
1.4.2 This method will probably be done month to month on many Chiller units.
1.5 Chiller Oil Analysis
1.5.1 Oil Analysis shall be practiced to all Trane chillers every year by just a capable Service Engineer / Technician.
1.6 Oil Replacement Procedure with regard to Trane Chiller units
1.6.1 Remove the actual refrigerant coming from the actual fridge unit and comprise this refrigerant to a strong bare hot water tank tank and by means of a cleaner push until that refrigerant force drops that will eight psig. Then stop this wine bottle chiller unit.
1.6.2 Connect a new hose into the oil sump depleation valve.
1.6.3 Open that depleation control device plus permit the desired degree of oil to help flow in to an empty containers furnished for the utilized oil. Then near the particular loading valve.
1.6.4 Measure the precise volume of oil taken off the unit.
1.6.5 Locate your Schrader valve somewhere between that tennis ball valve and also petrol filter.
1.6.6 Loosely link oil pump to be able to Schrader valve.
1.6.7 Open essential oil loading knock out until acrylic shows up in the charging valve connection in addition to make tighter the connection.
1.6.8 Close the ball valve simply upstream of the Schrader valve link with the actual oil knock out this will make it possible for this essential oil to search in the oil traces to the compressor earliest rather then right towards oil sump.
1.6.9 Energize the particular learn oil solenoid. This will permit this oil to search in the Schrader into the compressor. It will take about 2 gallons with oil to be able to fill up your lines.
1.6.10 After asking the first couple of gallons, de-energize this grasp solenoid.
1.6.11 Open the actual basketball valve merely upstream connected with the actual Schrader connected to the oil pump. This will grant the actual remainder of the actual charge in order to stream to the essential oil sump.
1.6.12 Charge the wine bottle chiller unit with pertinent refrigerant. Charging involving refrigerant is intended to be completed at an ambient temperature associated with not necessarily lower than 35 C.
1.6.13 Used oil made by this treatment will probably be comprised along with disposed properly.
1.6.14 Implementation of your method will likely to be structured to the outcome on the essential oil research conducted within system 1.5.
2.0 Maintenance with Cooling Tower
2.1 Cleaning of Cooling Tower Filters
2.1.1 Close the isolation valves belonging to the customizable tower system to get maintained.
2.1.2 Removed PVC Filler Materials included in the customizable structure carefully. If the condition belonging to the PVC Filler Materials is not really tolerable for re-use, fast replacement shall be done.
2.1.3 Clean the actual PVC Filler supplies using difficulty washer dryer until eventually most of filth and mineral deposits usually are removed.
2.1.4 Re-install this PVC Filler material towards air conditioning tower.
2.1.5 Mandatory substitute regarding PVC Filler supplies will be carried out each and every 3 or more years.
2.1.6 This method will be accomplished about most air conditioning tower system connected with chiller gadgets semi-annually.
2.2 Cleaning / De-scaling with Cooling Tower
2.2.1 Stop that Cooling Tower in addition to turn-off load breaker switch. Provide lockout label out on insert breaker switch.
2.2.2 Carefully get rid of the strainer from that suction collection of the Cooling Tower in addition to clean this with water adequately (if possible). If scale has previously accumulated while in the strainer, chemical de-scaler might be used.
2.2.3 Cleaning / De-scaling involving Cooling Tower Strainer should be conducted per month on all Cooling Towers.
2.3 Gear Oil Level Inspection
2.3.1 Stop the actual Cooling Tower and also turn-off load breaker switch. Provide lockout licence plate out there upon place breaker switch.
2.3.2 Check gear oil amount by means of look magnifying glaas presented to the supplies box. If items oil is down below your appropriate stage seeing that suggested in the sight glass, check out casing for likely leakages as well as implement the actual vital corrective action.
2.3.3 Re-fill the equipment package having items acrylic upwards to acceptable level.
2.3.4 This procedure will be carried out per month with almost all tower system with the Trane Chiller.
2.4 Gear Oil Replacement
2.4.1 Stop this Cooling Tower plus turn-off heap breaker switch. Provide , supply Lock-out Tag-out caution method about weight breaker switch.
2.4.2 Drain this Gear Oil form the gear common box although the depleation plug.
2.4.3 Re-fill the Gear box by using right Gear Oil about appropriate grade because advised inside picture glass.
2.4.4 This treatment is intended to be executed with most Cooling Tower with Trane Chiller semi-annually.
2.5 Inspection involving Sprinkler Bearings, Fan Blades and Cooling Tower Casing
2.5.1 Stop your Cooling Tower as well as turn-off load breaker switch. For security reasons, provide lock-out tag-out with fill breaker switch.
2.5.2 Check Sprinkler Rotor Bearing. Lubricate and also replace in case necessary.
2.53 Check Fan Blades for damage along with scale deposits. Clean / De-scale or maybe Replace if necessary.
2.5.4 Check Cooling Tower ouert shell for damage in addition to range deposit. Clean / De-scale or Repair when necessary.
2.5.5 This treatment end up being executed with almost all Cooling Tower semi-annually.
3.0 Maintenance with Chilled and Condenser water Pump
3.1 Stop this Pump and also turn-off load breaker switch. For basic safety reasons, give Lock-out Tag-out notice system upon place breaker switch.
3.2 Close isolation valves within the launch and suction line.
3.3 Check place of engine towards the waters pump. Alignment is intended to be done whenever necessary.
3.4 Inspect Pump Mechanical / Packing closure pertaining to leaks. Replace Mechanical / Packing complience seal if necessary.
3.5 This method is intended to be practiced on many Chilled as well as Condenser drinking water sends for a regular basis.
4.0 Cleaning with Chilled and also Condenser Water In-line Strainers
4.1 Stop the particular perfectly chilled as well as condenser water sends in the in-line strainers to become serviced plus near the respective isolation valves at the suction as well as eliminate of the pump.
4.2 Carefully eliminate your strainer through the pipe range and scrub the item along with drinking water thoroughly (if possible). If range have formerly accumulated in the strainer substance de-scaler can be used.
4.3 Re-install the particular strainer.
4.4 Waste chemical and also polluted drinking water from this process shall be was comprised of as well as disposed properly.
4.5 This treatment shall be carried out on all condenser normal water in-line strainers semi-annually. Like wise, this procedure will often be done on many evaporator mineral water in-line strainers annually.
5.0 Maintenance connected with Air Handling Units
5.1 Cleaning involving Cooling Coil
5.1.1 Stop your Air Handling Unit along with switch from the heap breaker switch.
5.1.2 Rinse the particular cooling coil using an approved substance coil purifier (30 liters max.) implementing pressurised chemical substance applicator in addition to make the actual chemical substance work or perhaps penetrate regarding 15 min.
5.1.3 Rinse the cooling coil with clear waters enough adequate to get rid of most of soil within the coil.
5.1.4 Contaminated mineral water from this surgery will be covered and disposed properly.
5.1.5 This procedure should be implemented on all Air Handling Units semiannually.
5.2 Cleaning of 50 microns pre-filters
5.2.1 Cleaning of 50 micron pre-filters will often be carried out on most of Air Handling weekly. Clean water and basic soap will be utilised for this procedure.
5.3 Inspection connected with Pillow Blocks / Bearings / Fan Belt Condition plus Tension
5.3.1 Stop the Air Handling Unit as well as turn-off heap breaker switch. For safety reasons, present Lock-out Tag-out alert program upon weight breaker switch.
5.3.2 Check the ailment connected with Pillow Blocks plus Bearings. Replace / Lubricate when necessary.
5.3.3 Check position associated with lover pulley against magnetic generator pulley. Alignment is intended to be executed whenever necessary.
5.3.4 Check Fan Belt problem as well as tension. Adjustment / Replacement will likely to be done in the event that necessary.
5.3.5 This method will be carried out month-to-month with most Air Handling Units.
5.4 Inspection connected with AHU Casing / Cooling Coil
5.4.1 Stop that Air Handling plus turn-off load breaker switch. For safe practices reasons, provide Lock-out Tag-out forewarning technique on load breaker switch.
5.4.2 Check Air Handling Unit casing pertaining to damage, corrosion, plus cleanliness. Clean / Repaint / Repair will probably be conducted if necessary.
5.4.3 This surgery will likely to be conducted on semi-annually on all Air Handling units.
6 Maintenance involving Expansion Tank
6.1 Condition regarding Expansion Tank Float Valve will probably be inspected intended for damage and float baseball adjustment. Replace / Adjustment will probably be conducted if necessary.
6.2 Expansion Tank casing shall be inspected to get damage, deterioration and also cleanliness. Clean / Repaint / Repair shall be conducted in the event that necessary.
6.3 This procedure will likely to be carried out on Expansion Tank on monthly basis.
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