Friedrich VERT-I-PAK VHA18K50RTP Manuals

Manuals and User Guides for Friedrich VERT-I-PAK VHA18K50RTP. We have 1 Friedrich VERT-I-PAK VHA18K50RTP manual available for free PDF download: Service & Parts Manual

Friedrich VERT-I-PAK VHA18K50RTP Service & Parts Manual (103 pages)

Brand: Friedrich | Category: Fan | Size: 6 MB

Table of Contents
2
Introduction
4
Important Safety Information
4
Personal Injury or Death Hazards
5
Operation of Equipment in During Construction
7
Equipment Identification
8
Model and Serial Number Location
8
Model and Serial Number Information Is Found on the Manufacturer's DATA TAG, Located on the Front or Top
8
Model Number Reference Guide
9
Serial Number Reference Guide
10
Specifications
11
General Specifications
11
Chassis Specifications 9K, 12K
12
18K Dimensions
13
Dimensions
14
Electrical Data
15
Electrical Requirements
17
Electrical Ratings Table
17
Supply Air Flow and Data
19
Operation
21
Electronic Control Board Features
21
Electronic Sequence of Operation
22
Compressor Lock out Time
23
Cooling Fan Delay
23
Heating Fan Delay
23
Fan Speed Change Delay
23
Room Air Sampling Feature
23
Low Voltage Interface Connections
23
Interface Connector Definitions
23
Remote Wall Thermostat
24
Remote Wall Thermostat Location
25
Desk Control
25
Auxiliary Fan Control
25
Unit Heat Control Operation - Heat Pump with Electric Heat
26
Refrigeration Sequence of Operation
27
Remove and Install the Chassis
29
Remove the Chassis
29
Servicing / Chassis Quick Changeouts
29
To Remove the Chassis from the Closet
29
R-410A Sealed System Repair
30
Refrigerant Charging
31
Undercharged Refrigerant Systems
32
Overcharged Refrigerant Systems
33
Restricted Refrigerant System
34
Sealed System Method of Charging/ Repairs
35
External Static Pressure
36
Checking External Static Pressure
36
Explanation of Charts
37
Indoor Airflow Data
37
Ductwork Preparation
37
Fresh Air Door
38
Checking Approximate Airflow
38
Electric Heat Strips
38
Component Testing
39
Hermetic Components Check
39
Reversing Valve Description and Operation
40
Testing the Reversing Valve Solenoid Coil
41
Checking the Reversing Valve
42
Touch Test Chart : to Service Reversing Valves
44
Compressor Checks
45
Compressor Replacement -Special Procedure in Case of Compressor Burnout
48
Fan Motor
49
Capacitors
49
Heating Element and Limit Switch
50
Heater Elements and Limit Switches' Specifications
50
Drain Pan Valve
52
Thermistor Resistence Values (this Table Applies to All Thermistors)
53
Testing the Diagnostic Service Module
54
Testing the Electronic Control Board
54
Electronic Control Board Components Identification and Testing
55
24K Indoor Blower Motor
56
Troubleshooting
57
Error Codes and Alarm Status
57
Electrical Troubleshooting Chart - Cooling
59
9K Btu, 12K Btu, & 18K Btu
59
24K Btu
60
Electrical Troubleshooting Chart - Heat Pump
61
Troubleshooting Chart - Cooling
62
Wiring Diagrams
63
9-12K 208/230V
63
9-12K 265V
64
208/230V (2.5Kw, 3.5Kw, 5Kw)
65
265V (2.5Kw, 3.5Kw, 5.0Kw)
66
208/230V (7.5Kw)
67
265V (7.5Kw)
68
208/230V (2.5Kw, 3.5Kw, 5Kw)
69
208/230V (7.5Kw and 10Kw)
70
265V (2.5Kw, 3.5Kw, 5Kw)
71
265V (7.5KW and 10KW)
72
Parts Catalog
73
12K Unit Assembly
73
12K Refrigeration Assy
76
12K 208/230V
78
9K, 12K 265V
80
18K Unit Assembly
82
Unit Assembly
84
24K Refrigeration Assembly
86
Blower Assembly
89
Blower Assembly
91
230V Control Box
93
230V Control Box
95
265V Control Box
97
265V Control Box
99
Available Accessories
101
Warranty
102
Friedrich Authorized Parts Depots
103

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Friedrich VERT-I-PAK VHA18K50RTP Service & Parts Manual (103 pages)

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