Amana AVPVC02414A, Service Instructions Manual

Page: 20 / 95

20
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
S-1 CHECKING VOLTAGE ..................................................... 21
S-2 CHECKING WIRING ...................................................... 21
S-3 CHECKING THERMOSTAT AND WIRING ........................ 21
S-3A THERMOSTAT AND WIRING ......................................... 21
S-3E CTK04** COMFORTNET TM THERMOSTAT ..................... 22
THERMOSTAT MENU SCREEN ....................................... 23
SYSTEM START-UP TEST ................................................ 23
SET THERMOSTAT TO CHARGE MODE26
SET THERMOSTAT TO ADJUST
MAXIMUM COMPRESSOR SPEED ............................ 29
SET THERMOSTAT TO ADJUST
INDOOR AIR CFM TRIM ............................................ 31
SET THERMOSTAT TO FORCE DEFROST CYCLE .............. 35
SET THERMOSTAT TO PUMP DOWN ............................ 37
SET 7-SEGMENT MODE DISPLAY TO PUMP DOWN ....... 40
SET THERMOSTAT TO CHECK SYSTEM STATUS .............. 40
S-4 CHECKING TRANSFORMER AND CONTROL CIRCUIT........42
S-12 CHECKING HIGH PRESSURE SWITCH ........................... 42
S-13 CHECKING OUTDOOR HI/LOW PRESSURE SENSOR ..... 42
S-15A RESISTANCE CHECK (5 TON ONLY) ................................ 43
S-15B CAPACITANCE CHECK (5 TON ONLY) ............................. 43
S-17 CHECKING COMPRESSOR ............................................ 43
S-17B GROUND TEST ............................................................. 44
S-18 TESTING CRANKCASE HEATER (5 TON ONLY)...................44
S-26 TESTING TEMPERATURE SENSORS
AND EEV COIL RESISTANCE ........................................... 45
SERVICING TABLE OF CONTENTS
S-40A AVPVC HEATER CONTROL ............................................. 45
S-50 CHECKING HEATER LIMIT CONTROL(S) ........................ 46
S-52 CHECKING HEATER ELEMENTS ...................................... 46
S-60 ELECTRIC HEATER (OPTIONAL ITEM) ............................ 47
S-61A CHECKING HEATER LIMIT CONTROL(S) ........................ 48
S-61B CHECKING HEATER FUSE LINK ...................................... 48
(OPTIONAL ELECTRIC HEATERS) ................................... 48
S-100 REFRIGERATION REPAIR PRACTICE .............................. 48
S-101 LEAK TESTING (NITROGEN OR NITROGEN-TRACED) ..... 48
S-102 EVACUATION ................................................................ 49
S-103 CHARGING ................................................................... 50
S-104 CHECKING COMPRESSOR EFFICIENCY ......................... 50
S-105B THERMOSTATIC EXPANSION VALVE ............................. 50
S-106 OVERFEEDING ............................................................. 51
S-107 UNDERFEEDING ........................................................... 51
S-108 SUPERHEAT .................................................................. 51
S-109 CHECKING SUBCOOLING ............................................. 51
S-110 CHECKING THERMOSTATIC
EXPANSION VALVE OPERATION .................................... 52
S-114 NON-CONDENSABLES .................................................. 53
S-115 COMPRESSOR BURNOUT ............................................. 53
S-120 REFRIGERANT PIPING .................................................. 53
S-202 DUCT STATIC PRESSURES AND/OR
STATIC PRESSURE DROP ACROSS COILS ....................... 57
S-203 AIR HANDLER EXTERNAL STATIC ................................... 57
S-204 COIL STATIC PRESSURE DROP ...................................... 58