Amana AVXC20 Series User Manual

14
HIGH VOLTAGE!
Disconnect ALL power before servicing or installing. Multiple power sources may be present. Failure to
do so may cause property damage, personal injury or death.
TABLE OF CONTENTS
SERVICING TABLE OF CONTENTS
S-1 CHECKING VOLTAGE ..................................................15
S-2 CHECKING WIRING ...................................................15
S-3 CHECKING THERMOSTAT AND WIRING .....................15
S-3A THERMOSTAT AND WIRING .......................................15
S-3E CTK0*** COMFORTNET
TM
THERMOSTAT ...................16
SYSTEM STA RT -UP TEST .......................................................17
SET THERMOSTAT TO CHARGE MODE .................................20
SET THERMOSTAT TO ADJUST MAXIMUM COMPRESSOR SPEED ........23
SET THERMOSTAT TO ADJUST INDOOR AIR CFM TRIM .................25
SET THERMOSTAT TO ADJUST INDOOR AIRFLOW PROFILE,
COOL ON DELAY AND COOL OFF DELAY .............28
SET THERMOSTAT TO EQUIP TEST.......................................29
SET THERMOSTAT TO PUMP DOWN ..................................31
SET 7-SEGMENT MODE DISPLAY TO PUMP DOWN ...............34
SET THERMOSTAT TO CHECK SYSTEM STATUS........................35
S-4 CHECKING TRANSFORMER AND CONTROL CIRCUIT ..33
S-12 CHECKING HIGH PRESSURE CONTROL ......................33
S-13 CHECKING LOW PRESSURE SENSOR ..........................33
S-15A RESISTANCE CHECK....................................................34
S-15B CAPACITANCE CHECK.................................................34
S-17 CHECKING COMPRESSOR..........................................35
S-17A RESISTANCE TEST .......................................................35
S-17B GROUND TEST ...........................................................36
S-26 TESTING TEMPERATURE SENSORS .............................36
S-40A AVPVC HEATER CONTROL ...........................................37
S-50 CHECKING HEATER LIMIT CONTROL(S)...................... 38
S-52 CHECKING HEATER ELEMENTS ...................................38
S-60 ELECTRIC HEATER (OPTIONAL ITEM) .........................38
S-61A CHECKING HEATER LIMIT CONTROL(S)......................39
S-61B CHECKING HEATER FUSE LINK
(OPTIONAL ELECTRIC HEATERS).................................39
S-100 REFRIGERATION REPAIR PRACTICE ............................39
S-101 LEAK TESTING (NITROGEN OR NITROGEN-TRACED) ..40
S-102 EVACUATION .............................................................40
S-103 CHARGING .................................................................41
S-104 CHECKING COMPRESSOR EFFICIENCY ......................42
S-105B THERMOSTATIC EXPANSION VALVE ............................42
S-106 OVERFEEDING ...........................................................42
S-107 UNDERFEEDING.........................................................42
S-108 SUPERHEAT................................................................42
S-110 CHECKING EXPANSION VALVE OPERATION ................43
S-109 CHECKING SUBCOOLING ...........................................46
S-114 NON-CONDENSABLES ................................................46
S-115 COMPRESSOR BURNOUT ..........................................46
S-120 REFRIGERANT PIPING................................................46
S-202 DUCT STATIC PRESSURES AND/OR
STATIC PRESSURE DROP ACROSS COILS..........50
S-203 AIR HANDLER EXTERNAL STATIC.................................50
S-204 COIL STATIC PRESSURE DROP ....................................51

Amana AVXC20 Series Specifications

General

Brand	Amana
Model	AVXC20 Series
Category	Air Conditioner
Language	English