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AVZC20 Series
Amana AVZC20 Series User Manual
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SERVICING
27
3.
Enter Installer password. (The password
is the Date Code located on the thermostat
and is available by entering the
EQUIPMENT ST
A
TUS menu and
scrolling to the bottom).
4.
Select YES to continue.
5.
Select HEA
T PUMP
.
6.
Select MAINTENANCE.
26
28
Table of Contents
Table of Contents
20
Checking Voltage
21
Checking Wiring
21
Checking Thermostat and Wiring
21
S-3A Thermostat and Wiring
21
S-3E Ctk04** Comfortnet
22
Tm Thermostat
22
Thermostat Menu Screen
23
System Start-Up Test
23
Set Thermostat to Charge Mode26
26
Set Thermostat to Adjust
29
Maximum Compressor Speed
29
Indoor Air Cfm Trim
31
Set Thermostat to Adjust
34
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
Checking Transformer and Control Circuit
42
Checking High Pressure Switch
42
Checking Outdoor Hi/Low Pressure Sensor
42
S-15A Resistance Check (5 Ton Only)
43
S-15B Capacitance Check (5 Ton Only)
43
Checking Compressor
43
S-17B Ground Test
44
Testing Crankcase Heater (5Ton Only)
44
And Eev Coil Resistance
45
S-40A Avpvc Heater Control
45
Checking Heater Limit Control(S)
46
Checking Heater Elements
46
Electric Heater (Optional Item)
47
S-61A Checking Heater Limit Control(S)
48
S-61B Checking Heater Fuse Link
48
(Optional Electric Heaters)
48
Refrigeration Repair Practice
48
Leak Testing (Nitrogen or Nitrogen-Traced)
48
Evacuation
49
Charging
50
Checking Compressor Efficiency
50
S-105B Thermostatic Expansion Valve
50
Overfeeding
51
Underfeeding
51
Superheat
51
Checking Subcooling
51
Checking Thermostatic
52
Expansion Valve Operation
52
Non-Condensables
53
Compressor Burnout
53
Refrigerant Piping
53
Duct Static Pressures And/Or
57
Static Pressure Drop Across Coils
57
Air Handler External Static
57
Coil Static Pressure Drop
58
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Amana AVZC20 Series Specifications
General
Brand
Amana
Model
AVZC20 Series
Category
Heat Pump
Language
English
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