Bard MULTI-TEC W18AAPA, Инструкция по эксплуатации

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Manual 2100-479
Page
10 of 11
Manual 2100-479
Page
10 of 11
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Power Failure
Blown Fuses or Tripped Circuit Breakers
Faulty Wiring
Loose T erminals
Low Vo ltage
Single 1PH Failure of 3PH
Unbalanced Power Supply 3PH
Volt age Too High
Open Disconnect Switch
Faulty Wiring
Loose T erminal
Low Vo ltage
Defective Contact s in Contactor
Compressor Overload
Potential Relay Fails to Open
Potential Relay Fails to Close
Run Capacitor
Sta rt Ca pa cit or
Faulty Wiring
Loose T erminals
Control Transformer
Low Vo ltage
Thermostat
Contactor Coil
Pressure Control
Condenser Fan Relay
Evaporator Fan Relay
Compressor Motor
Condenser Motor
Evaporator Motor
Co mp re ssor O ff on In te rn al O ver lo ad
Hold Down Bolts
Defective Compressor Bearings
Seized Compressor
Defective Compressor Valves
Compressor Oil Level
Open or Short Motor Windings
Refrigerant Charge Low
Overcharge of Refrigerant
High Head Pressure
High Suction Pressure
Low Suction Pressure
Temperatures
Non-Condensables (Air, etc.)
Excessive Load in Sp ace
Liquid V alve Partially Closed
Condenser Fins Dirty or Plugged
Condenser Fan Belt Slipping
Condenser Air Short Circuiting
Low Condenser Air V olume
Con den ser Air T em per atu re Low
Plugged or Restricted Metering Device
Evaporator Fins Dirty or Plugged
Evaporator Belt Slipping
Lo w E va po ra to r A ir V olu me
Dirty Filters
Ductwork Small or Restricted
Restrictions
Th erm os ta t S ett in g
Thermostat Location
Stratified Air in Sp ace
Incorrect Refrigerant Piping
System T oo Small
y
Generally the cause. Always make these checks
first.
Š
Occasionally
the
cause.
Make
these
checks
only
if first checks fail to locate trouble.
ƒ
Rarely the cause. Make this check only if previous
checks
fail
to
locate trouble.
TROUBLESHOOTING CHART FOR
AIR CONDITIONERS