Amana AVZC20 User Manual

32
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
Outdoor Normal Temperature Operating Range: 67-115° / 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 < 255psi LSV SC > 12F LSV SC < 4F OD SSV SH > 20F OD SSV SH < 4F Low pressure > 185psi Low pressure < 100psi Requested % demand < Actual Requested % demand > Actual Repeated stop/start Weak cooling No switch cooling Noise Stop operation
Liquid stop valve does not fully open
XXXXX XXXXX
Gas stop valve does not fully open
XX XXXX
Line set restriction
XXXXX XXXXX
Line set length is too long
XXXXX
Blocked filter-dryer
XXXXX XXXXX
OD EEV coil failure
XXX X
OD EEV failure
XXX
Check valve failure – Blocked
X X X XX X XXX
High Pressure switch failure
X
Pressure sensor failure
X XX XXX X
Discharge temp sensor failure
XXXX XXXX X
Coil temp sensor failure
XXX XXXX X
Defrost sensor failure
Liquid temp sensor failure
Ambient temp sensor failure
XXX XXXX
OD recirculation
X X X XXX X
ID recirculation
X X X XXXXX
Dirty OD Heat-exchanger
X X X XXX X
Dirty ID Heat-exchanger
X X X X XXXXX
Outdoor Ambient temp is too high
X X X X XXX X
Outdoor Ambient temp is too low
X X XX XXXXX
ID suction temp is too high
XX
ID suction temp is too low
X X X X XXXXX
Mixture of non-condensible gas
X X X XX X XXX X
OD fan motor failure
X X X X XXX XX
RV failure
XX X X XXXXX
RV coil failure
XX X X XXXXX
Over charge
XXXXX X X X X X
Under charge
XXX X XX X X X
Leak
XXX X XX X XXX X
TXV failure
XXXXXXXXXXXXXXXX
TXV is small
XXXXX X X
TXV is big
XXXXXXX X
OD Control Board Failure
X
ID Failure
XXXXXXXXXXXXXXXXX X
Compressor failure
XXX X X XXX XX
Cooling loop is not attached
XXX
Cooling loop grease is not enough
XXX
Compressor and Gas furnace are operating at the same time
X
Low ID CFM
X X X XXXXX X
COOLING ANALYSIS CHART

Amana AVZC20 Specifications

General

Brand	Amana
Model	AVZC20
Category	Heat Pump
Language	English