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VERT-I-PAK R410A
Friedrich VERT-I-PAK R410A User Manual
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1-2012 Service/Parts Manual
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Table of Contents
Table of Contents
2
Important Safety Information
3
Introduction
5
Vert-I-Pak Model Number Identifi Cation Guide
6
Serial Number Identifi Cation Guide
6
Electrical Requirements
7
Chassis Specifi Cations
8
Cooling Performance Data
9
Extended Cooling Performance
9
Electronic Control Features
10
Electronic Control Sequence of Operation
11
Low Voltage Interface Connections
13
Service
14
VPAK 9-18 BTU Units Components Identifi Cation
15
VPAK 9-18 BTU Units Components Identifi Cation
16
Error Codes and Alarm Status
17
Components Testing
18
Electronic Control Board Components Identifi Cation
19
Components Testing (Continued)
20
External Static Pressure
22
Checking External Static Pressure
22
Fresh Air Door
23
Electric Heat Strips
23
Indoor Airflow Data
23
Refrigeration Sequence of Operation
24
Refrigerant Sequence of Operation
24
Sealed Refrigeration System Repairs
25
Refrigerant Charging
25
Method of Charging
26
Undercharged Refrigerant Systems
26
Overcharged Refrigerant Systems
27
Restricted Refrigerant Systems
27
Hermetic Components Check
28
Capillary Tube Systems/Check Valve
28
Reversing Valve Description/Operation
29
Testing Coil
29
Checking Reversing Valves
29
Reversing Valve
30
Touch Testing Heating/Cooling Cycle
30
Procedure for Changing Reversing Valve
30
Compressor Checks
31
Locked Rotor Voltage Test
31
Single Phase Connections
31
Determine Locked Rotor Voltage
31
Locked Rotor Amperage Test
31
Single Phase Running & Locked Rotor Amperage
31
Checking the Overload
31
External Overload
32
Compressor Single Phase Resistance Test
32
Compressor Replacement
33
Routine Maintenance
34
Unit Performance Test Data Sheet
35
Thermistor Resistance Values
36
Troubleshooting Charts
37
Electrical Troubleshooting Chart
39
Heat Pump
39
Troubleshooting Charts
40
Remote Wall Thermostat Wiring Diagrams
41
Electrical and Thermostat Wiring Diagrams
42
Electrical and Thermostat Wiring Diagrams
47
Accessories
48
Warranty
49
VPAK 9-18K Parts
51
VPAK 24K Parts
55
Technical Support/Contact Info
60
4
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Friedrich VERT-I-PAK R410A Specifications
General
Brand
Friedrich
Model
VERT-I-PAK R410A
Category
Air Conditioner
Language
English
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