TRANE
®
Trouble Analysis Guide
13
Hunting TXV
Compr Amps HI/LO
High sub - cooling
Low sub-cooling
Moisture indication
HPCO Failure
LPCO Failure
Noisy compressor
Suction line frosting
Bubbles in sight
Low Suction P
High Suction P
Low Discharge P
High Discharge P
Low Superheat
Hight Superheat
POSSIBLE
SYMPTOMS
Overcharge of refrigerant
Shortage of refrigerant
W
ater through condenser restricted
W
ater through condenser to cold
W
ater through condenser too hot
W
ater through condenser reversed
Low evap air flow
High evap air flow
Expansion valve power element lost its charge
Expansion valve feeler bulb improperly mounted
Expansion valve stem eroded or leaking
Expansion valve restricted
Restricted line on low side
Restricted drier or liquid line
Restricted hot gas line or condenser
Restricted equalizer line
Too much compressor oil in system
Compressor wiring incorrect
Incorrect condenser (If condenser in changed)
Air in system
Moisture in system
Bad compressor
Service valve closed (if any)
Recover/Re-evacuate/Re-charge
Recover/Re-evacuate/Re-charge or add refring.
Remove restriction
Reduce flow (if possible)
Increase flow (if possible)
Correct
Check fan direction, voltage, drive, baf
fle
Check fan direction, voltage, drive, baf
fle
Replace power element
Re-locate/re-mount bulb. V
erify circuit.
Inspect/replace stem & o-ring
Inspect stem, ports & o-ring
Remove restriction
Replace or remove restriction
Remove restriction
Remove restriction
Drain/Re-charge oil
Verify and correct if necessary
Verify cond. size and correct if necessary
Recover/Re-evacuate/Re-charge
Recover/Re-evacuate/Re-charge
Replace compressor
Correct
Note: Always verify instrumentation prior to making any changes.
POSSIBLE CAUSES
SOLUTION
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
H
L
H
L
H
H
L
H
L
L
L
L
H
L
H/L
H
L
H/L
H
X
X
X
X
X
X
X
X
Содержание WCVS 12H
Страница 2: ......
Страница 6: ...TRANE General Specification WCVS 270 12H 2...
Страница 7: ...TRANE 3...
Страница 15: ...TRANE Operation Start Up 11 Figure 4 Fan Duct Layout Comment Figure 5 A A A A R 6o minimum A A...
Страница 20: ...TRANE Unit Dimensions Water Cooled Vertical System WCVS 270 330 16...
Страница 21: ...TRANE Unit Dimensions Water Cooled Vertical System WCVS 400 470 17...
Страница 22: ...TRANE Unit Dimensions Water Cooled Vertical System WCVS 530 600 660 18...
Страница 23: ...TRANE Unit Dimensions Water Cooled Vertical System WCVS 730 800 19...
Страница 24: ...TRANE Unit Dimensions Water Cooled Vertical System WCVS 900 12H 20...
Страница 25: ...TRANE Wiring Diagram With Starter WCVS 270 330 21...
Страница 26: ...TRANE Schematic Wiring Diagram With Starter WCVS 400 22...
Страница 27: ...TRANE Schematic Wiring Diagram With Starter WCVS 470 530 23...
Страница 28: ...TRANE Schematic Wiring Diagram With Starter WCVS 600 660 730 800 24...
Страница 29: ...TRANE Schematic Wiring Diagram With Starter WCVS 900 25...
Страница 30: ...TRANE Schematic Wiring Diagram With Starter WCVS 12H 26...
Страница 31: ......
