Amana AVZC20 Series User Manual

19
A VOID CONTACT WITH THE CHARGED AREA .
•N
EVER TOUCH THE CHARGED AREA BEFORE CONFIRMING THAT THE RESIDUAL VOLTAGE IS 50 VOLTS OR LESS .
1. S
HUT DOWN THE POWER AND LEAVE THE CONTROL BOX FOR 10 MINUTES .
2. M
AKE SURE TO TOUCH THE E ARTH GROUND TERMINAL TO RELEASE THE STATIC ELECTRICITY FROM YOUR BODY ( TO PREVENT FAILURE OF THE PC BOARD ).
3. M
EASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A VOM WHILE PAYING ATTENTION NOT TO TOUCH THE CHARGED AREA .
4. I
MMEDIATELY AFTER MEASURING THE RESIDUAL VOLTAGE , DISCONNECT THE CONNECTORS OF THE OUTDOOR UNIT ’ S FAN MOTOR . (I F THE FAN BLADE ROTATES BY
STRONG WIND BLOWING AGAINST IT , THE CAPACITOR WILL BE CHARGED, CAUSING THE DANGER OF ELECTRICAL SHOCK .)
WARNING
TROUBLESHOOTING
Outdoor Normal Temperature Operating Range: 17-62° / Indoor Normal Temperature Operating Range: 65 - 85°
POSSIBLE CAUSE
X IN ANALYSIS GUIDE INDICATE
"POSSIBLE CAUSE"
Comp discharge temp > 200F Comp discharge temp < 105F Comp discharge SH > 70F Comp discharge SH < 20F High pressure > 490psi High pressure SSV< 270psi High pressure LSV< 270psi LSV SC > 12F LSV SC < 4F Low pressure < 40psi Requested % demand < Actual % Requested % demand > Actual % Repeated stop/start Weak heating No switch heating Noise Incomplete defrost operation Stop operation Sweating liquid line
Liquid stop valve does not fully open
XXX XXXXX XX
Gas stop valve does not fully open
X X X XX XXX X
Line set restriction
X X X XX XXX X X
Line set length is too long
XX X
Blocked filter-dryer
X X X XX XXX X X
OD EEV coil failure
XXXXXXXXXXXXXX XX
OD EEV failure
XXXXXXXXXXXXXX XX
Check valve failure – Leakage
XX XXXX X
High Pressure switch failure
X
Pressure sensor failure
XXXXXXX XXXX X
Discharge temp sensor failure
XXXX XXXX X
Coil temp sensor failure
X XXX XX
Defrost sensor failure
X XXX XX
Liquid temp sensor failure
XX XX
Ambient temp sensor failure
X X XXX XX
OD recirculation
X X XX X XXX
ID recirculation
XXX XXX
Dirty OD Heat-exchanger
X X XX X XXX
Dirty ID Heat-exchanger
XXX XXX
Outdoor Ambient temp is too high
X XXX XX
Outdoor Ambient temp is too low
XXX XX XX XXX
ID suction temp is too high
X X XXX
ID suction temp is too low
XX X
Mixture of non-condensible gas
X X X XX XXX
OD fan motor failure
XX XXXX X
RV failure
X XX XXXX XX
RV coil failure
X XX XXXX XX
Over charge
XXX X XXXX XX
Under charge
XXX XX XX XX X
Leak
XXX XX XX XX X
TXV failure
X X X XX XXX
TXV size is small
X
TXV size is big
ID failure
XXXXXXXXXXXXXX XXXX
OD Control Board failure
X
Compressor failure
XXXX XX XXX XXX
Cooling loop is not attached
XXX
Cooling loop grease is not enough
XXX
Compressor and Gas furnace are operating at the same time
XX
Low ID CFM
X X X XXX X
HEATING ANALYSIS CHART

Amana AVZC20 Series Specifications

General

Brand	Amana
Model	AVZC20 Series
Category	Heat Pump
Language	English