FORM 201.10-NM1
143
YORK INTERNATIONAL
PROBLEM
CAUSE
SOLUTION
Compressor Won’t Load
1. Demand not great enough.
1. No problem. Consult
Installation Manual to aid
in understanding
compressor operation.
2. Low oil pressure.
2. Check oil circuit.
Assure oil load solenoid
valve is working.
Assure that discharge
pressure is at least
50 pounds over suction.
Contact the local YORK
service representative.
3. Defective water
3. Compare the display with
temperature sensor.
a thermometer. Should be
or - 2 degrees.
Lack of Cooling Effect
1. Fouled evaporator surface.
1. Contact the local YORK
Low suction pressure
service representative.
will be observed.
2. Improper flow through the
2. Reduce flow to within
evaporator.
chiller design specs.
3. Low refrigerant charge.
3. Check subcooling and
Low suction pressure
add charge as needed.
will be noted.
“PHASE ROTATION” FAULT
1. Chiller wiring phased
1. Rewire chiller wiring.
incorrectly.
“MOTOR CURRENT
1. Incoming voltage not
1. Resolve incoming voltage
UNBALANCE”
balanced phase to phase.
imbalance.
Summary of Contents for Millennium YCAS 316
Page 11: ...FORM 201 10 NM1 11 YORK INTERNATIONAL YCAS 140 246 DIMENSIONS English LD01444 LD01446...
Page 13: ...FORM 201 10 NM1 13 YORK INTERNATIONAL YCAS 140 246 DIMENSIONS SI LD01440 LD01442...
Page 15: ...FORM 201 10 NM1 15 YORK INTERNATIONAL YCAS 216X 266X DIMENSIONS English LD01454 LD01454...
Page 17: ...FORM 201 10 NM1 17 YORK INTERNATIONAL YCAS 216X 266X DIMENSIONS SI LD01450 LD01448...
Page 33: ...FORM 201 10 NM1 33 YORK INTERNATIONAL 28514A FILTER DRYER LIQUID STOP VALVE...
Page 37: ...FORM 201 10 NM1 37 YORK INTERNATIONAL LD01285 FIG 3 SCREW CHILLER REFIGERANT FLOW DIAGRAM...
Page 59: ...FORM 201 10 NM1 59 YORK INTERNATIONAL FIG 11 CONTINUED LD01465 D...
Page 61: ...FORM 201 10 NM1 61 YORK INTERNATIONAL FIG 12 CONTINUED LD01458 D...
Page 69: ...FORM 201 10 NM1 69 YORK INTERNATIONAL FIG 16 CONTINUED LD01206 D...
Page 71: ...FORM 201 10 NM1 71 YORK INTERNATIONAL FIG 17 CONTINUED LD01202 D...