Bard W3RV2-R User Manual

Manual 2100-479
Page 11 of 11
Manual 2100-479
Page 11 of 11
ylppuSrewoP noitceSroodtuO noitceSroodnI
taeH.xuA
egatloVeniLtiucriClortnoCrosserpmoCmetsyStnaregirfeR
tsorfeD
lortnoC
.veR
evlaV
kcehC
evlaV
naFroodtuO
lioCdnarotoM
rewolBroodnI
lioCdnarotoM
kcehC
rotomnaf.D.OdnarosserpmoC
etarepotonod
     
nurtonlliwrosserpmoC
snurrotomnaf.D.O
    
tub"smuh"rosserpmoC
tratstonlliw
    
daolrevonoselcycrosserpmoC
        
hgihnofforosserpmoC
lortnocerusserp
       
ysionrosserpmoC
 
hgihooterusserpdaeH
         
wolooterusserpdaeH
     
erusserpnoitcuS
hgihoot
    
wolooterusserpnoitcuS
        
tratstonlliwrewolb.D.I
  
-gnicirognitsorflioc.D.I
   
spmarosserpmochgiH
      
snurrosserpmoC
gniloocon—ylsuounitnoc
   
gnidoolftnaregirferdiuqiL
rosserpmocotkcab
 
snurrosserpmoC
gnitaehon—ylsuounitnoc
  
liocnoecionsetaitinielcyctsorfeD

seodevlavgnisreveR
tfihston
   
traprewolnopudliubecI
lioc.D.Ofo
  
gnidoolftnaregirferdiuqiL
rosserpmocotkcab

.D.InotaehyrailixuA
fforewolb
    
stsocgnitarepoevissecxE
      
noecievissecxE
lioc.D.O
   
TROUBLESHOOTING CHART FOR AIR TO AIR HEAT PUMPS
Power Failure
Blown Fuse or Tripped Breaker
Faulty Wiring
Loose Terminals
Low Voltage
Single 1PH Failure of 3PH
Unbalanced 3PH
Defective Contacts in Contactor
Compressor Overload
Potential Relay
Run Capacitor
Start Capacitor
Faulty Wiring
Loose Terminals
Control Transformer
Low Voltage
Thermostat
Contactor Coil
Pressure Control or Impedance Relay
Indoor Fan Relay
Discharge Line Hitting Inside of Shell
Bearings Defective
Seized
Valve Defective
Motor Windings Defective
Refrigerant Charge Low
Refrigerant Overcharge
High Head Pressure
Low Head Pressure
High Suction Pressure
Low Suction Pressure
Non-Condensables
Unequalized Pressures
Sensing Bulb Loose-Poorly Located
Cycle Too Long (Clock timer)
Defective Control, Timer or Relay
Leaking
Defective Valve or Coil
Sticking Closed
Leaking or Defective
Plugged or Restricted Meter Device (Htg)
Fins Dirty or Plugged
Motor Winding Defective
Recirculation or Air
Air Volume Low (Cooling)
Low Temperature Coil Air (Cooling)
Plugged or Restricted Metering Device (Clg)
Fins Dirty or Plugged
Motor Winding Defective
Air Volume Low
Air Filters Dirty
Undersized or Restricted Ductwork
Sticking Closed
Leaking or Defective
Auxiliary Heat Upstream of Coil
y
Denotes
common
cause.

Denotes occasional cause.
Cooling
Cycle
Heating or Cooling Cycles
Heating Cycle

Bard W3RV2-R Specifications

General

Brand	Bard
Model	W3RV2-R
Category	Control Unit
Language	English