Friedrich 9 Manuals

Manuals and User Guides for Friedrich 9. We have 1 Friedrich 9 manual available for free PDF download: Service Manual

Friedrich 9 Service Manual

Friedrich 9 Service Manual (56 pages)

Vert-I-Pak A Series Single Package Vertical Air Conditioning System

Brand: Friedrich | Category: Air Conditioner | Size: 4.9 MB

Table of Contents

Service Manual
1
Table of Contents
3
Important Safety Information
4
Introduction
6
Vert-I-Pak Model Number Identification Guide
7
Serial Number Identification Guide
7
Electric Heat Data
8
2009 Models Chassis Specifications/Performance
8
Extended Cooling Performance
9
2008 Models Chassis Specifications/Performance
10
Electrical Requirements
12
Remote Thermostat and Low Voltage Control
13
Remote Thermostat and Low Voltage Control
14
V-PAK Electronic Control Board Features
15
Electronic Control Configuration
16
Electronic Control Error Code
16
Diagnostics/Test Mode
16
Test Mode
17
Sequence of Operation
18
Heat Units
19
Component Description
21
Checking External Static Pressure
22
Checking Approximate Airflow
22
- Indoor Airflow Data
  23
- Fresh Air Door
  23
Airflow Charts
23
Components Testing
24
- Components Testing
  25
- Refrigeration Assembly
  26
Refrigeration Sequence of Operation
26
Service
27
Sealed Refrigeration System Repairs
28
Refrigerant Charging
28
Method of Charging
29
Undercharged Refrigerant Systems
30
Overcharged Refrigerant Systems
30
Restricted Refrigerant Systems
31
- Hermetic Components Check
  32
- Metering Device
  32
Capillary Tube Systems/Check Valve
32
Reversing Valve Description/Operation
33
Checking the Reversing Valve
34
Testing the Coil
34
Checking Reversing Valves
34
Reversing Valve
34
Touch Testing Heating/Cooling Cycle
35
Procedure for Changing Reversing Valve
35
Compressor Checks
36
Locked Rotor Voltage Test
36
Single Phase Connections
36
Determine Locked Rotor Voltage
36
Locked Rotor Amperage Test
36
External Overload
36
Checking the External Overload
36
Checking the Internal Overload
36
Single Phase Running & Locked Rotor Amperage
37
Compressor Single Phase Resistance Test
37
Compressor Replacement
38
Routine Maintenance
40
Electrical Troubleshooting Chart - Cooling
42
2-Ton Electrical Troubleshooting Chart - Cooling
43
- Electrical Troubleshooting Chart
  44
- Heat Pump
  44
Refrigerant System Diagnosis Cooling
45
Refrigerant System Diagnosis Heating
45
Electrical Troubleshooting Chart -Heat Pump
45
Electrical and Thermostat Wiring Diagram
46
- Electric Heat
  47
- Electrical and Thermostat Wiring Diagram
  51
Thermistors Resistance Valves
52
Accessories
53
Warranty
54

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