Carrier 19FA- Manuals

HVAC Training Page: 13 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 A total volume of 8 gallons of oil in the chiller seems a little low for a chiller with the oil level in the upper portions of the upper site glass. It may be possible that the oil volume accounting for this chiller ...

HVAC Training Page: 15 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 Due to the r eactor being shutdown for maintenance the “B” essential chiller had been operated at a low load condition for several days. Oil had been added to the oil sump several times during this time. When the chi...

HVAC Training Page: 17 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 This modification will require two adjustments. Change the oil sump temperature setpoint : The setpoint change requires the chiller to be shutdown while the controller is being adjusted. Remove the cover from the oil...

HVAC Training Page: 18 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 On October 23, 2006, the Essential C hiller 2MECBE01 tripped on low oil pressure. Oper ations gener ated work order 2934841 to troubleshoot and rewor k. On October 23, HVAC performed tr oubleshooting. Initial problem...

HVAC Training Page: 20 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 3. If the r efrigerant level remains out of range notify Operations, Engineer ing and HVAC for additional direction. The intent is to insure an accurate level is obtained pr ior to making an operability or corrective...

HVAC Training Page: 22 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 On 10/28/99, the elbow on the inlet line to the oil cooler on essential chiller 1MECBE01 w as removed and reinstalled ( under Corrective Maintenance Work Order 00889903) in an attempt to eliminate an oil leak in the ...

HVAC Training Page: 23 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 Additional lessons learned: OE11587 documents the failure of the Control room ventilation syste m chiller at Oconee Nuclear Site caused by refrigerant leaks. On March 9, 2000, w ith all three Oconee Units at 100 perc...

HVAC Training Page: 24 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 CRDR 2850439 Thread sealer on Chiller 1MECBE01 Guide Vane Shaft Failure Description HVAC Maintenance found one of the set screws loose on the guide vane shaft crank arm dur ing the performance of normal chiller maint...

HVAC Training Page: 27 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 EO: 1.2 Discuss the sequence of work to coordinate chiller maintenance activities. Introduction In this lesson the trainee will discuss various maintenance activities on the Carr ier 19FA Chiller.These tasks are perf...

HVAC Training Page: 28 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 iii) does the machine need to be evacuated iv) what other work is planned during the outage. (CM work may have been added to the scope) i) If we are doing minor work then we only need to go to four inches mercury. So...

HVAC Training Page: 29 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 elapsed from the time of notification by the HVAC gr oup to the actual start of disassembly. Based on the information received from the HVAC mechanic, the I&C technician did not check the fr eon pressure gage. Th...

HVAC Training Page: 32 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 EO: 1.4 Discuss the process of measuring oil heater wattage. Introduction In the previous course NMH29 Chiller Fundamentals the trainee learned how to adjust the thermostat for the oil sump heater. In this objective ...

HVAC Training Page: 34 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 EO: 1.5 Discuss the process for changing the oil filters. Introduction In this objective the trainee review the criter ia for changing the oil filters. Main Idea Assess and address workplace hazards. Ver ify the oil ...

HVAC Training Page: 35 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 3) A micron is defined as the thousandth part of one-millimeter (.001 millimeter). a) The screen is 18 x 16 mesh aluminum with a wire diameter of .011”. b) The support tube is 3/16” expanded aluminum with both ends m...

HVAC Training Page: 36 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 Demonstrate how the filters are disassembled and reassembled. Be sur e to point out the correct items including the o-rings. Refer to the Carrier training handout Chapter 2 for oil filters Review the r equired docume...

HVAC Training Page: 37 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 EO: 1.6 Discuss the process for changing the refrigerant filters. Introduction In this objective the trainee discuss replacing the refr iger ant filter. Main Idea Assess and address workplace hazards. Ver ify the ref...

HVAC Training Page: 40 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 EO: 1.7 Discuss the process of inspecting and replacing the refrigerant PSV's Introduction In this objective the trainee will learn what to look for when inspecting the refr iger ant pressure safety r elief valve and...

HVAC Training Page: 41 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 iii) 2 on the Normal chiller E02 at 285 psig c) Pressure rating of the pumpout condenser. i) 1 on the Essential chiller at 385 psig ii) 1 on the Normal chiller A,B,C at 385 psig iii) 1 on the Normal chiller E02 at 38...

HVAC Training Page: 42 of 42 Title: Chiller Maintenance Lesson Plan #: NMH30C000105 SUMMARY OF MAIN PRINCIPLES The following ite ms are things to consider in your lesson summar y. They are not mandator y. You should develop your own summar y., Objectives Review Review the Lesson Objectives Topic Rev...